diff --git a/latest/404.html b/latest/404.html index f3192c0..0ffb332 100644 --- a/latest/404.html +++ b/latest/404.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../v7.0.0/404.html... + Redirecting to ../v7.0.1/404.html... \ No newline at end of file diff --git a/latest/CHANGELOG/index.html b/latest/CHANGELOG/index.html index e671b83..26e3f6b 100644 --- a/latest/CHANGELOG/index.html +++ b/latest/CHANGELOG/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/CHANGELOG/... + Redirecting to ../../v7.0.1/CHANGELOG/... \ No newline at end of file diff --git a/latest/aeso_aci/index.html b/latest/aeso_aci/index.html index 2f51725..7d48899 100644 --- a/latest/aeso_aci/index.html +++ b/latest/aeso_aci/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/aeso_aci/... + Redirecting to ../../v7.0.1/aeso_aci/... \ No newline at end of file diff --git a/latest/aeso_compiler/index.html b/latest/aeso_compiler/index.html index 6951817..fc00b6a 100644 --- a/latest/aeso_compiler/index.html +++ b/latest/aeso_compiler/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/aeso_compiler/... + Redirecting to ../../v7.0.1/aeso_compiler/... \ No newline at end of file diff --git a/latest/index.html b/latest/index.html index 10d5e31..288074f 100644 --- a/latest/index.html +++ b/latest/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../v7.0.0/... + Redirecting to ../v7.0.1/... \ No newline at end of file diff --git a/latest/sophia/index.html b/latest/sophia/index.html index e839543..fc7ac29 100644 --- a/latest/sophia/index.html +++ b/latest/sophia/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/sophia/... + Redirecting to ../../v7.0.1/sophia/... \ No newline at end of file diff --git a/latest/sophia_examples/index.html b/latest/sophia_examples/index.html index eeeb892..2e3895a 100644 --- a/latest/sophia_examples/index.html +++ b/latest/sophia_examples/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/sophia_examples/... + Redirecting to ../../v7.0.1/sophia_examples/... \ No newline at end of file diff --git a/latest/sophia_features/index.html b/latest/sophia_features/index.html index 9be7830..3895350 100644 --- a/latest/sophia_features/index.html +++ b/latest/sophia_features/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/sophia_features/... + Redirecting to ../../v7.0.1/sophia_features/... \ No newline at end of file diff --git a/latest/sophia_stdlib/index.html b/latest/sophia_stdlib/index.html index 338f624..50d7b9b 100644 --- a/latest/sophia_stdlib/index.html +++ b/latest/sophia_stdlib/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/sophia_stdlib/... + Redirecting to ../../v7.0.1/sophia_stdlib/... \ No newline at end of file diff --git a/latest/sophia_syntax/index.html b/latest/sophia_syntax/index.html index 3bee286..36a305a 100644 --- a/latest/sophia_syntax/index.html +++ b/latest/sophia_syntax/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v7.0.0/sophia_syntax/... + Redirecting to ../../v7.0.1/sophia_syntax/... \ No newline at end of file diff --git a/v7.0.1/404.html b/v7.0.1/404.html new file mode 100644 index 0000000..b5cef44 --- /dev/null +++ b/v7.0.1/404.html @@ -0,0 +1,369 @@ + + + + + + + + + + + + + + + + + æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ +
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404 - Not found

+ + +
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+ +
+ + + + +
+
+
+
+ + + + + + + + \ No newline at end of file diff --git a/v7.0.1/CHANGELOG/index.html b/v7.0.1/CHANGELOG/index.html new file mode 100644 index 0000000..e5dba88 --- /dev/null +++ b/v7.0.1/CHANGELOG/index.html @@ -0,0 +1,1928 @@ + + + + + + + + + + + + + + + + + Changelog - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
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+ + +
+
+ + + +

Changelog

+

All notable changes to this project will be documented in this file.

+

The format is based on Keep a Changelog, +and this project adheres to Semantic Versioning.

+

Unreleased

+

Added

+

Changed

+

Removed

+

Fixed

+

7.0.1

+

Added

+
    +
  • Add CONTRIBUTING.md file.
    • +
+

Changed

+
    +
  • Update Sophia syntax docs to include missing information about existing syntax.
    • +
+

Fixed

+
    +
  • 404 Contract polymorphism crashes on non-obvious child contract typing.
    • +
+

7.0.0

+

Added

+
    +
  • Added support for EXIT opcode via exit : (string) => 'a function (behaves same as ABORT, but consumes all gas).
    • +
  • Compiler warnings for the following: shadowing, negative spends, division by zero, unused functions, unused includes, unused stateful annotations, unused variables, unused parameters, unused user-defined type, dead return value.
    • +
  • The pipe operator |> + 
    [1, 2, 3] |> List.first |> Option.is_some  // Option.is_some(List.first([1, 2, 3]))
+
    • +
  • Allow binary operators to be used as lambdas + 
    function sum(l : list(int)) : int = foldl((+), 0, l)
+function logical_and(x, y) = (&&)(x, y)
+
    • +
  • Contract interfaces polymorphism
    • +
+

Changed

+
    +
  • Error messages have been restructured (less newlines) to provide more unified errors. Also pp_oneline/1 has been added.
    • +
  • Ban empty record definitions (e.g. record r = {} would give an error).
    • +
+

Removed

+
    +
  • Support for AEVM has been entirely wiped
    • +
+

6.1.0 - 2021-10-20

+

Added

+
    +
  • Bitwise stdlib
    • +
  • Set stdlib
    • +
  • Option.force_msg
    • +
  • Loading namespaces into the current scope (e.g. using Pair)
    • +
  • Assign patterns to variables (e.g. let x::(t = y::_) = [1, 2, 3, 4] where t == [2, 3, 4])
    • +
  • Add builtin types (AENS.name, AENS.pointee, Chain.ttl, Chain.base_tx, Chain.ga_meta_tx, Chain.paying_for_tx) to + the calldata and result decoder
    • +
  • Patterns guards + 
    switch(x)
+  a::[] | a > 10 => 1
+  _              => 2
+
    + 
    function
+  f(a::[]) | a > 10 = 1
+  f(_)              = 2
+
    • +
+

Changed

+
    +
  • Fixed the ACI renderer, it shouldn't drop the stateful modifier
    • +
+

6.0.2 2021-07-05

+

Changed

+
    +
  • List.from_to_step now forbids non-positive step (this change does + not alter the behavior of the previously deployed contracts)
    • +
  • Fixed leaking state between contracts
    • +
+

6.0.1 2021-06-24

+

Changed

+
    +
  • Fixed a bug in calldata encoding for contracts containing multiple contracts
    • +
  • Fixed a missing include in the Frac standard library
    • +
+

6.0.0 2021-05-26

+

Added

+
    +
  • Child contracts
    • +
  • Chain.clone
    • +
  • Chain.create
    • +
  • Chain.bytecode_hash
    • +
  • Minor support for variadic functions
    • +
  • void type that represents an empty type
    • +
  • Call.fee builtin
    • +
+

Changed

+
    +
  • Contract interfaces must be now invocated by contract interface keywords
    • +
  • main keyword to indicate the main contract in case there are child contracts around
    • +
  • List.sum and List.product no longer use List.foldl
    • +
+

Removed

+

5.0.0 2021-04-30

+

Added

+
    +
  • A new and improved String standard library + has been added. Use it by include "String.aes". It includes functions for + turning strings into lists of characters for detailed manipulation. For + example: + 
    include "String.aes"
+contract C =
+  entrypoint filter_all_a(s: string) : string =
+    String.from_list(List.filter((c : char) => c != 'a', String.to_list(s)))
+
    + will return a list with all a's removed.
    • +
+

There are also convenience functions split, concat, to_upper, + to_lower, etc.

+

All String functions in FATEv2 operate on unicode code points. +- Operations for pairing-based cryptography has been added the operations + are in the standard library BLS12_381. + With these operations it is possible to do Zero Knowledge-proofs, etc. + The operations are for the BLS12-381 curve (as the name suggests). +- Calls to functions in other contracts (i.e. remote calls) can now be + protected. + If a contract call fails for any reason (for instance, the remote contract + crashes or runs out of gas, or the entrypoint doesn't exist or has the + wrong type) the parent call also fails. To make it possible to recover + from failures, contract calls takes a named argument protected : bool + (default false).

+

If protected = true the result of the contract call is wrapped in an + option, and Some(value) indicates a succesful execution and None + indicates that the contract call failed. Note: any gas consumed until + the failure is still charged, but all side effects in the remote + contract are rolled back on failure. +- A new chain operation AENS.update + is supported. +- New chain exploring operations AENS.lookup and Oracle.expiry to + look up an AENS record and the expiry of an Oracle respectively, are added. +- Transaction introspection (Auth.tx) has been added. When a Generalized + account is authorized, the authorization function needs access to the + transaction (and the transaction hash) for the wrapped transaction. The + transaction and the transaction hash is available Auth.tx, it is only + available during authentication if invoked by a normal contract call + it returns None. Example: + 

switch(Auth.tx)
+  None      => abort("Not in Auth context")
+  Some(tx0) =>
+    switch(tx0.tx)
+      Chain.SpendTx(_, amount, _)  => amount > 400
+      Chain.ContractCallTx(_, _)   => true
+      _                            => false
+
+- A debug mode is a added to the compiler. Right now its only use is to + turn off hermetization.

+

Changed

+
    +
  • The function Chain.block_hash(height) is now (in FATEv2) defined for + the current height - this used to be an error.
    • +
  • Standard library: Sort is optimized to do mergesort and a contains + function is added.
    • +
  • Improved type errors and explicit errors for some syntax errors (empty code + blocks, etc.).
    • +
  • Compiler optimization: The ACI is generated alongside bytecode. This means + that multiple compiler passes can be avoided.
    • +
  • Compiler optimization: Improved parsing (less stack used when transpiled).
    • +
  • A bug where constraints were handled out of order fixed.
    • +
  • Fixed calldata decoding for singleton records.
    • +
  • Improved the documentation w.r.t. signatures, especially stressing the fact that + the network ID is a part of what is signed.
    • +
+

Removed

+

4.3.0

+

Added

+
    +
  • Added documentation (moved from protocol)
    • +
  • Frac.aes – library for rational numbers
    • +
  • Added some more meaningful error messages
    • +
  • Exported several parsing functionalities
    • +
  • With option keep_included it is possible to see which files were included during the parse
    • +
  • There is a function run_parser that be used to evaluate any parsing rule
    • +
  • Exported parsers: body, type and decl
    • +
+

Changed

+
    +
  • Performance improvements in the standard library
    • +
  • Fixed ACI encoder to handle - unary operator
    • +
  • Fixed including by absolute path
    • +
  • Fixed variant type printing in the ACI error messages
    • +
  • Fixed pretty printing of combined function clauses
    • +
+

Removed

+
    +
  • let definitions are no longer supported in the toplevel of the contract
    • +
  • type declarations are no longer supported
    • +
+

4.2.0 - 2020-01-15

+

Added

+
    +
  • Allow separate entrypoint/function type signature and definition, and pattern + matching in left-hand sides: + 
      function
+    length : list('a) => int
+    length([])      = 0
+    length(x :: xs) = 1 + length(xs)
+
    • +
  • Allow pattern matching in list comprehension generators (filtering out match + failures): + 
      function somes(xs : list(option('a))) : list('a) =
+    [ x | Some(x) <- xs ]
+
    • +
  • Allow pattern matching in let-bindings (aborting on match failures): + 
      function test(m : map(int, int)) =
+      let Some(x) = Map.lookup(m, 0)
+      x
+
    • +
+

Changed

+
    +
  • FATE code generator improvements.
    • +
  • Bug fix: Handle qualified constructors in patterns.
    • +
  • Bug fix: Allow switching also on negative numbers.
    • +
+

Removed

+

4.1.0 - 2019-11-26

+

Added

+
    +
  • Support encoding and decoding bit fields in call arguments and results.
    • +
+

Changed

+
    +
  • Various improvements to FATE code generator.
    • +
+

Removed

+

4.0.0 - 2019-10-11

+

Added

+
    +
  • Address.to_contract - casts an address to a (any) contract type.
    • +
  • Pragma to check compiler version, e.g. @compiler >= 4.0.
    • +
  • Handle numeric escapes, i.e. "\x19Ethereum Signed Message:\n", and similar strings.
    • +
  • Bytes.concat and Bytes.split are added to be able to + (de-)construct byte arrays.
    • +
  • [a..b] language construct, returning the list of numbers between + a and b (inclusive). Returns the empty list if a > b.
    • +
  • Standard libraries
    • +
  • Checks that init is not called from other functions.
    • +
  • FATE backend - the compiler is able to produce VM code for both AEVM and FATE. Many + of the APIs now take {backend, aevm | fate} to decide wich backend to produce artifacts + for.
    • +
  • New builtin functions Crypto.ecrecover_secp256k1: (hash, bytes(65)) => option(bytes(20)) + and Crypto.ecverify_secp256k1 : (hash, bytes(20), bytes(65)) => bool for recovering + and verifying an Ethereum address for a message hash and a signature.
    • +
  • Sophia supports list comprehensions known from languages like Python, Haskell or Erlang. + Example syntax: +
    [x + y | x <- [1,2,3,4,5], let k = x*x, if (k > 5), y <- [k, k+1, k+2]]
+// yields [12,13,14,20,21,22,30,31,32]
+
    • +
  • A new contract, and endpoint, modifier payable is introduced. Contracts, and enpoints, + that shall be able to receive funds should be marked as payable. Address.is_payable(a) + can be used to check if an (contract) address is payable or not.
    • +
+

Changed

+
    +
  • Nice type error if contract function is called as from a namespace.
    • +
  • Fail on function definitions in contracts other than the main contract.
    • +
  • Bug fix in variable optimization - don't discard writes to the store/state.
    • +
  • Bug fixes in error reporting.
    • +
  • Bug fix in variable liveness analysis for FATE.
    • +
  • Error messages are changed into a uniform format, and more helpful + messages have been added.
    • +
  • Crypto.<hash_fun> and String.<hash_fun> for byte arrays now only + hash the actual byte array - not the internal ABI format.
    • +
  • More strict checks for polymorphic oracles and higher order oracles + and entrypoints.
    • +
  • AENS.claim is updated with a NameFee field - to be able to do + name auctions within contracts.
    • +
  • Fixed a bug in Bytes.to_str for AEVM.
    • +
  • New syntax for tuple types. Now 0-tuple type is encoded as unit instead of () and + regular tuples are encoded by interspersing inner types with *, for instance int * string. + Parens are not necessary. Note it only affects the types, values remain as their were before, + so (1, "a") : int * string
    • +
  • The AENS.transfer and AENS.revoke functions have been updated to take a name string + instead of a name hash.
    • +
  • Fixed a bug where the AEVM backend complained about a missing init function when + trying to generate calldata from an ACI-generated interface.
    • +
  • Compiler now returns the ABI-version in the compiler result map.
    • +
  • Renamed Crypto.ecverify and Crypto.ecverify_secp256k1 into Crypto.verify_sig and + Crypto.verify_sig_secp256k1 respectively.
    • +
+

Removed

+

3.2.0 - 2019-06-28

+

Added

+
    +
  • New builtin function require : (bool, string) => (). Defined as + 
    function require(b, err) = if(!b) abort(err)
+
    • +
  • New builtin functions + 
    Bytes.to_str : bytes(_) => string
+Bytes.to_int : bytes(_) => int
+
    + for converting a byte array to a hex string and interpreting it as a + big-endian encoded integer respectively.
    • +
+

Changed

+
    +
  • Public contract functions must now be declared as entrypoints: + 
    contract Example =
+  // Exported
+  entrypoint exported_fun(x) = local_fun(x)
+  // Not exported
+  function local_fun(x) = x
+
    + Functions in namespaces still use function (and private function for + private functions).
    • +
  • The return type of Chain.block_hash(height) has changed, it used to + be int, where 0 denoted an incorrect height. New return type is + option(hash), where None represents an incorrect height.
    • +
  • Event name hashes now use BLAKE2b instead of Keccak256.
    • +
  • Fixed bugs when defining record types in namespaces.
    • +
  • Fixed a bug in include path handling when passing options to the compiler.
    • +
+

Removed

+

3.1.0 - 2019-06-03

+

Added

+

Changed

+
    +
  • Keyword indexed is now optional for word typed (bool, int, address, + ...) event arguments.
    • +
  • State variable pretty printing now produce 'a, 'b, ... instead of '1, '2, ....
    • +
  • ACI is restructured and improved:
      +
    • state and event types (if present) now appear at the top level.
      • +
    • Namespaces and remote interfaces are no longer ignored.
      • +
    • All type definitions are included in the interface rendering.
      • +
    • API functions are renamed, new functions are contract_interface + and render_aci_json.
      • +
    +
    • +
  • Fixed a bug in create_calldata/to_sophia_value - it can now handle negative + literals.
    • +
+

Removed

+

3.0.0 - 2019-05-21

+

Added

+
    +
  • stateful annotations are now properly enforced. Functions must be marked stateful + in order to update the state or spend tokens.
    • +
  • Primitives Contract.creator, Address.is_contract, Address.is_oracle, + Oracle.check and Oracle.check_query has been added to Sophia.
    • +
  • A byte array type bytes(N) has been added to generalize hash (== bytes(32)) and + signature (== bytes(64)) and allow for byte arrays of arbitrary fixed length.
    • +
  • Crypto.ecverify_secp256k1 has been added.
    • +
+

Changed

+
    +
  • Address literals (+ Oracle, Oracle query and remote contracts) have been changed + from #<hex> to address as ak_<base58check>, oracle ok_<base58check>, + oracle query oq_<base58check> and remote contract ct_<base58check>.
    • +
  • The compilation and typechecking of letfun (e.g. let m(f, xs) = map(f, xs)) was + not working properly and has been fixed.
    • +
+

Removed

+
    +
  • let rec has been removed from the language, it has never worked.
    • +
  • The standalone CLI compiler is served in the repo aeternity/aesophia_cli and has + been completely removed from aesophia.
    • +
+

2.1.0 - 2019-04-11

+

Added

+
    +
  • Stubs (not yet wired up) for compilation to FATE
    • +
  • Add functions specific for Calldata decoding
    • +
  • Support for Auth.tx_hash, not available in AEVM until Fortuna release
    • +
+

Changed

+
    +
  • Improvements to the ACI generator
    • +
+

2.0.0 - 2019-03-11

+

Added

+
    +
  • Add Crypto.ecverify to the compiler.
    • +
  • Add Crypto.sha3, Crypto.blake2, Crypto.sha256, String.blake2 and + String.sha256 to the compiler.
    • +
  • Add the bits type for working with bit fields in Sophia.
    • +
  • Add Namespaces to Sophia in order to simplify using library contracts, etc.
    • +
  • Add a missig type check on the init function - detects programmer errors earlier.
    • +
  • Add the ACI (Aeternity Contract Interface) generator.
    • +
+

Changed

+
    +
  • Use native bit shift operations in builtin functions, reducing gas cost.
    • +
  • Improve type checking of record fields - generates more understandable error messages.
    • +
  • Improved, more coherent, error messages.
    • +
  • Simplify calldata creation - instead of passing a compiled contract, simply + pass a (stubbed) contract string.
    • +
+ + + + + + + +
+
+
+ +
+ + + + +
+
+
+
+ + + + + + + + \ No newline at end of file diff --git a/v7.0.1/aeso_aci/index.html b/v7.0.1/aeso_aci/index.html new file mode 100644 index 0000000..e26841a --- /dev/null +++ b/v7.0.1/aeso_aci/index.html @@ -0,0 +1,578 @@ + + + + + + + + + + + + + + + + + aeso_aci - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + +
+ + +
+ +
+ + + + + + +
+
+ + + +
+
+
+ + + + +
+
+
+ + + +
+
+
+ + + + +
+
+
+ + +
+
+ + + +

aeso_aci

+

Module

+

aeso_aci

+

The ACI interface encoder and decoder.

+

Description

+

This module provides an interface to generate and convert between +Sophia contracts and a suitable JSON encoding of contract +interface. As yet the interface is very basic.

+

Encoding this contract:

+
contract Answers =
+  record state = { a : answers }
+  type answers() = map(string, int)
+
+  stateful function init() = { a = {} }
+  private function the_answer() = 42
+  function new_answer(q : string, a : int) : answers() = { [q] = a }
+
+

generates the following JSON structure representing the contract interface:

+
{
+  "contract": {
+    "functions": [
+      {
+        "arguments": [],
+        "name": "init",
+        "returns": "Answers.state",
+        "stateful": true
+      },
+      {
+        "arguments": [
+          {
+            "name": "q",
+            "type": "string"
+          },
+          {
+            "name": "a",
+            "type": "int"
+          }
+        ],
+        "name": "new_answer",
+        "returns": {
+          "map": [
+            "string",
+            "int"
+          ]
+        },
+        "stateful": false
+      }
+    ],
+    "name": "Answers",
+    "state": {
+      "record": [
+        {
+          "name": "a",
+          "type": "Answers.answers"
+        }
+      ]
+    },
+    "type_defs": [
+      {
+        "name": "answers",
+        "typedef": {
+          "map": [
+            "string",
+            "int"
+          ]
+        },
+        "vars": []
+      }
+    ]
+  }
+}
+
+

When that encoding is decoded the following include definition is generated:

+
contract Answers =
+  record state = {a : Answers.answers}
+  type answers = map(string, int)
+  function init : () => Answers.state
+  function new_answer : (string, int) => map(string, int)
+
+

Types

+
-type aci_type()  :: json | string.
+-type json()      :: jsx:json_term().
+-type json_text() :: binary().
+
+

Exports

+

contract_interface(aci_type(), string()) -> {ok, json() | string()} | {error, term()}

+

Generate the JSON encoding of the interface to a contract. The type definitions +and non-private functions are included in the JSON string.

+

render_aci_json(json() | json_text()) -> string().

+

Take a JSON encoding of a contract interface and generate a contract interface +that can be included in another contract.

+

Example run

+

This is an example of using the ACI generator from an Erlang shell. The file +called aci_test.aes contains the contract in the description from which we +want to generate files aci_test.json which is the JSON encoding of the +contract interface and aci_test.include which is the contract definition to +be included inside another contract.

+
1> {ok,Contract} = file:read_file("aci_test.aes").
+{ok,<<"contract Answers =\n  record state = { a : answers }\n  type answers() = map(string, int)\n\n  stateful function"...>>}
+2> {ok,JsonACI} = aeso_aci:contract_interface(json, Contract).
+{ok,[#{contract =>
+           #{functions =>
+                 [#{arguments => [],name => <<"init">>,
+                    returns => <<"Answers.state">>,stateful => true},
+                  #{arguments =>
+                        [#{name => <<"q">>,type => <<"string">>},
+                         #{name => <<"a">>,type => <<"int">>}],
+                    name => <<"new_answer">>,
+                    returns => #{<<"map">> => [<<"string">>,<<"int">>]},
+                    stateful => false}],
+             name => <<"Answers">>,
+             state =>
+                 #{record =>
+                       [#{name => <<"a">>,type => <<"Answers.answers">>}]},
+             type_defs =>
+                 [#{name => <<"answers">>,
+                    typedef => #{<<"map">> => [<<"string">>,<<"int">>]},
+                    vars => []}]}}]}
+3> file:write_file("aci_test.aci", jsx:encode(JsonACI)).
+ok
+4> {ok,InterfaceStub} = aeso_aci:render_aci_json(JsonACI).
+{ok,<<"contract Answers =\n  record state = {a : Answers.answers}\n  type answers = map(string, int)\n  function init "...>>}
+5> file:write_file("aci_test.include", InterfaceStub).
+ok
+6> jsx:prettify(jsx:encode(JsonACI)).
+<<"[\n  {\n    \"contract\": {\n      \"functions\": [\n        {\n          \"arguments\": [],\n          \"name\": \"init\",\n        "...>>
+
+

The final call to jsx:prettify(jsx:encode(JsonACI)) returns the encoding in a +more easily readable form. This is what is shown in the description above.

+ + + + + + + +
+
+
+ +
+ + + + +
+
+
+
+ + + + + + + + \ No newline at end of file diff --git a/v7.0.1/aeso_compiler/index.html b/v7.0.1/aeso_compiler/index.html new file mode 100644 index 0000000..74fded8 --- /dev/null +++ b/v7.0.1/aeso_compiler/index.html @@ -0,0 +1,489 @@ + + + + + + + + + + + + + + + + + aeso_compiler - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + +
+ + +
+ +
+ + + + + + +
+
+ + + +
+
+
+ + + + +
+
+
+ + + +
+
+
+ + + + +
+
+
+ + +
+
+ + + +

aeso_compiler

+

Module

+

aeso_compiler

+

The Sophia compiler

+

Description

+

This module provides the interface to the standard Sophia compiler. It +returns the compiled module in a map which can then be loaded.

+

Types

+
contract_string() = string() | binary()
+contract_map() = #{bytecode => binary(),
+                   compiler_version => binary(),
+                   contract_souce => string(),
+                   type_info => type_info()}
+type_info()
+errorstring() = binary()
+
+

Exports

+

file(File)

+

file(File, Options) -> CompRet

+

from_string(ContractString, Options) -> CompRet

+

Types

+
ContractString = contract_string()
+Options = [Option]
+CompRet = {ok,ContractMap} | {error,ErrorString}
+ContractMap = contract_map()
+ErrorString = errorstring()
+
+

Compile a contract defined in a file or in a string.

+

The pp_ options all print to standard output the following:

+

pp_sophia_code - print the input Sophia code.

+

pp_ast - print the AST of the code

+

pp_types - print information about the types

+

pp_typed_ast - print the AST with type information at each node

+

pp_assembler - print the generated assembler code

+

check_call(ContractString, Options) -> CheckRet

+

Types +

ContractString = string() | binary()
+CheckRet = {ok,string(),{Types,Type | any()},Terms} | {error,Term}
+Types = [Type]
+Type = term()
+
+Check a call in contract through the __call function.

+

version() -> {ok, Version} | {error, term()}

+

Types

+
Version = binary()
+
+

Get the current version of the Sophia compiler.

+ + + + + + + +
+
+
+ +
+ + + + +
+
+
+
+ + + + + + + + \ No newline at end of file diff --git a/v7.0.1/assets/images/favicon.png b/v7.0.1/assets/images/favicon.png new file mode 100644 index 0000000..1cf13b9 Binary files /dev/null and b/v7.0.1/assets/images/favicon.png differ diff --git a/v7.0.1/assets/javascripts/bundle.b1047164.min.js b/v7.0.1/assets/javascripts/bundle.b1047164.min.js new file mode 100644 index 0000000..ba97499 --- /dev/null +++ b/v7.0.1/assets/javascripts/bundle.b1047164.min.js @@ -0,0 +1,29 @@ +(()=>{var ea=Object.create;var St=Object.defineProperty;var ta=Object.getOwnPropertyDescriptor;var ra=Object.getOwnPropertyNames,wt=Object.getOwnPropertySymbols,oa=Object.getPrototypeOf,sr=Object.prototype.hasOwnProperty,qr=Object.prototype.propertyIsEnumerable,ls=Reflect.get,ps=Reflect.set;var Qr=(e,t,r)=>t in e?St(e,t,{enumerable:!0,configurable:!0,writable:!0,value:r}):e[t]=r,P=(e,t)=>{for(var r in t||(t={}))sr.call(t,r)&&Qr(e,r,t[r]);if(wt)for(var r of wt(t))qr.call(t,r)&&Qr(e,r,t[r]);return e};var na=e=>St(e,"__esModule",{value:!0});var Kr=(e,t)=>{var r={};for(var o in e)sr.call(e,o)&&t.indexOf(o)<0&&(r[o]=e[o]);if(e!=null&&wt)for(var o of wt(e))t.indexOf(o)<0&&qr.call(e,o)&&(r[o]=e[o]);return r};var Et=(e,t)=>()=>(t||e((t={exports:{}}).exports,t),t.exports);var ia=(e,t,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let o of ra(t))!sr.call(e,o)&&o!=="default"&&St(e,o,{get:()=>t[o],enumerable:!(r=ta(t,o))||r.enumerable});return e},Ke=e=>ia(na(St(e!=null?ea(oa(e)):{},"default",e&&e.__esModule&&"default"in e?{get:()=>e.default,enumerable:!0}:{value:e,enumerable:!0})),e);var Jr=Et((cr,Br)=>{(function(e,t){typeof cr=="object"&&typeof Br!="undefined"?t():typeof define=="function"&&define.amd?define(t):t()})(cr,function(){"use strict";function e(r){var o=!0,n=!1,i=null,a={text:!0,search:!0,url:!0,tel:!0,email:!0,password:!0,number:!0,date:!0,month:!0,week:!0,time:!0,datetime:!0,"datetime-local":!0};function s(E){return!!(E&&E!==document&&E.nodeName!=="HTML"&&E.nodeName!=="BODY"&&"classList"in E&&"contains"in E.classList)}function c(E){var We=E.type,Oe=E.tagName;return!!(Oe==="INPUT"&&a[We]&&!E.readOnly||Oe==="TEXTAREA"&&!E.readOnly||E.isContentEditable)}function l(E){E.classList.contains("focus-visible")||(E.classList.add("focus-visible"),E.setAttribute("data-focus-visible-added",""))}function p(E){!E.hasAttribute("data-focus-visible-added")||(E.classList.remove("focus-visible"),E.removeAttribute("data-focus-visible-added"))}function m(E){E.metaKey||E.altKey||E.ctrlKey||(s(r.activeElement)&&l(r.activeElement),o=!0)}function u(E){o=!1}function b(E){!s(E.target)||(o||c(E.target))&&l(E.target)}function v(E){!s(E.target)||(E.target.classList.contains("focus-visible")||E.target.hasAttribute("data-focus-visible-added"))&&(n=!0,window.clearTimeout(i),i=window.setTimeout(function(){n=!1},100),p(E.target))}function d(E){document.visibilityState==="hidden"&&(n&&(o=!0),V())}function V(){document.addEventListener("mousemove",j),document.addEventListener("mousedown",j),document.addEventListener("mouseup",j),document.addEventListener("pointermove",j),document.addEventListener("pointerdown",j),document.addEventListener("pointerup",j),document.addEventListener("touchmove",j),document.addEventListener("touchstart",j),document.addEventListener("touchend",j)}function K(){document.removeEventListener("mousemove",j),document.removeEventListener("mousedown",j),document.removeEventListener("mouseup",j),document.removeEventListener("pointermove",j),document.removeEventListener("pointerdown",j),document.removeEventListener("pointerup",j),document.removeEventListener("touchmove",j),document.removeEventListener("touchstart",j),document.removeEventListener("touchend",j)}function j(E){E.target.nodeName&&E.target.nodeName.toLowerCase()==="html"||(o=!1,K())}document.addEventListener("keydown",m,!0),document.addEventListener("mousedown",u,!0),document.addEventListener("pointerdown",u,!0),document.addEventListener("touchstart",u,!0),document.addEventListener("visibilitychange",d,!0),V(),r.addEventListener("focus",b,!0),r.addEventListener("blur",v,!0),r.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&r.host?r.host.setAttribute("data-js-focus-visible",""):r.nodeType===Node.DOCUMENT_NODE&&(document.documentElement.classList.add("js-focus-visible"),document.documentElement.setAttribute("data-js-focus-visible",""))}if(typeof window!="undefined"&&typeof document!="undefined"){window.applyFocusVisiblePolyfill=e;var t;try{t=new CustomEvent("focus-visible-polyfill-ready")}catch(r){t=document.createEvent("CustomEvent"),t.initCustomEvent("focus-visible-polyfill-ready",!1,!1,{})}window.dispatchEvent(t)}typeof document!="undefined"&&e(document)})});var vo=Et((fs,_t)=>{/*! 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+//# sourceMappingURL=bundle.b1047164.min.js.map + diff --git a/v7.0.1/assets/javascripts/bundle.b1047164.min.js.map b/v7.0.1/assets/javascripts/bundle.b1047164.min.js.map new file mode 100644 index 0000000..16e07a8 --- /dev/null +++ b/v7.0.1/assets/javascripts/bundle.b1047164.min.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["node_modules/focus-visible/dist/focus-visible.js", "node_modules/rxjs/node_modules/tslib/tslib.js", "node_modules/clipboard/dist/clipboard.js", "node_modules/escape-html/index.js", "src/assets/javascripts/bundle.ts", "node_modules/rxjs/node_modules/tslib/modules/index.js", "node_modules/rxjs/src/internal/util/isFunction.ts", "node_modules/rxjs/src/internal/util/createErrorClass.ts", "node_modules/rxjs/src/internal/util/UnsubscriptionError.ts", "node_modules/rxjs/src/internal/util/arrRemove.ts", "node_modules/rxjs/src/internal/Subscription.ts", "node_modules/rxjs/src/internal/config.ts", "node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts", "node_modules/rxjs/src/internal/util/reportUnhandledError.ts", "node_modules/rxjs/src/internal/util/noop.ts", "node_modules/rxjs/src/internal/NotificationFactories.ts", "node_modules/rxjs/src/internal/util/errorContext.ts", "node_modules/rxjs/src/internal/Subscriber.ts", "node_modules/rxjs/src/internal/symbol/observable.ts", "node_modules/rxjs/src/internal/util/identity.ts", "node_modules/rxjs/src/internal/util/pipe.ts", "node_modules/rxjs/src/internal/Observable.ts", "node_modules/rxjs/src/internal/util/lift.ts", "node_modules/rxjs/src/internal/operators/OperatorSubscriber.ts", "node_modules/rxjs/src/internal/scheduler/animationFrameProvider.ts", "node_modules/rxjs/src/internal/util/ObjectUnsubscribedError.ts", "node_modules/rxjs/src/internal/Subject.ts", "node_modules/rxjs/src/internal/scheduler/dateTimestampProvider.ts", "node_modules/rxjs/src/internal/ReplaySubject.ts", "node_modules/rxjs/src/internal/scheduler/Action.ts", 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"node_modules/rxjs/src/internal/operators/distinctUntilKeyChanged.ts", "node_modules/rxjs/src/internal/operators/finalize.ts", "node_modules/rxjs/src/internal/operators/takeLast.ts", "node_modules/rxjs/src/internal/operators/merge.ts", "node_modules/rxjs/src/internal/operators/mergeWith.ts", "node_modules/rxjs/src/internal/operators/sample.ts", "node_modules/rxjs/src/internal/operators/scan.ts", "node_modules/rxjs/src/internal/operators/share.ts", "node_modules/rxjs/src/internal/operators/shareReplay.ts", "node_modules/rxjs/src/internal/operators/skip.ts", "node_modules/rxjs/src/internal/operators/skipUntil.ts", "node_modules/rxjs/src/internal/operators/startWith.ts", "node_modules/rxjs/src/internal/operators/switchMap.ts", "node_modules/rxjs/src/internal/operators/switchMapTo.ts", "node_modules/rxjs/src/internal/operators/takeUntil.ts", "node_modules/rxjs/src/internal/operators/takeWhile.ts", "node_modules/rxjs/src/internal/operators/tap.ts", 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"src/assets/javascripts/integrations/search/query/transform/index.ts", "src/assets/javascripts/integrations/search/worker/message/index.ts", "src/assets/javascripts/integrations/search/worker/_/index.ts", "src/assets/javascripts/integrations/version/index.ts", "src/assets/javascripts/components/search/query/index.ts", "src/assets/javascripts/components/search/result/index.ts", "src/assets/javascripts/components/search/share/index.ts", "src/assets/javascripts/components/search/suggest/index.ts", "src/assets/javascripts/components/search/_/index.ts", "src/assets/javascripts/components/search/highlight/index.ts", "src/assets/javascripts/components/sidebar/index.ts", "src/assets/javascripts/components/source/facts/github/index.ts", "src/assets/javascripts/components/source/facts/gitlab/index.ts", "src/assets/javascripts/components/source/facts/_/index.ts", "src/assets/javascripts/components/source/_/index.ts", "src/assets/javascripts/components/tabs/index.ts", "src/assets/javascripts/components/toc/index.ts", "src/assets/javascripts/components/top/index.ts", "src/assets/javascripts/patches/indeterminate/index.ts", "src/assets/javascripts/patches/scrollfix/index.ts", "src/assets/javascripts/patches/scrolllock/index.ts"], + "sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global global, define, System, Reflect, Promise */\r\nvar __extends;\r\nvar __assign;\r\nvar __rest;\r\nvar __decorate;\r\nvar __param;\r\nvar __metadata;\r\nvar __awaiter;\r\nvar __generator;\r\nvar __exportStar;\r\nvar __values;\r\nvar __read;\r\nvar __spread;\r\nvar __spreadArrays;\r\nvar __spreadArray;\r\nvar __await;\r\nvar __asyncGenerator;\r\nvar __asyncDelegator;\r\nvar __asyncValues;\r\nvar __makeTemplateObject;\r\nvar __importStar;\r\nvar __importDefault;\r\nvar __classPrivateFieldGet;\r\nvar __classPrivateFieldSet;\r\nvar __createBinding;\r\n(function (factory) {\r\n var root = typeof global === \"object\" ? global : typeof self === \"object\" ? self : typeof this === \"object\" ? this : {};\r\n if (typeof define === \"function\" && define.amd) {\r\n define(\"tslib\", [\"exports\"], function (exports) { factory(createExporter(root, createExporter(exports))); });\r\n }\r\n else if (typeof module === \"object\" && typeof module.exports === \"object\") {\r\n factory(createExporter(root, createExporter(module.exports)));\r\n }\r\n else {\r\n factory(createExporter(root));\r\n }\r\n function createExporter(exports, previous) {\r\n if (exports !== root) {\r\n if (typeof Object.create === \"function\") {\r\n Object.defineProperty(exports, \"__esModule\", { value: true });\r\n }\r\n else {\r\n exports.__esModule = true;\r\n }\r\n }\r\n return function (id, v) { return exports[id] = previous ? previous(id, v) : v; };\r\n }\r\n})\r\n(function (exporter) {\r\n var extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n\r\n __extends = function (d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? 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'success' : 'error', {\n action: this.action,\n text: this.selectedText,\n trigger: this.trigger,\n clearSelection: this.clearSelection.bind(this)\n });\n }\n /**\n * Moves focus away from `target` and back to the trigger, removes current selection.\n */\n\n }, {\n key: \"clearSelection\",\n value: function clearSelection() {\n if (this.trigger) {\n this.trigger.focus();\n }\n\n document.activeElement.blur();\n window.getSelection().removeAllRanges();\n }\n /**\n * Sets the `action` to be performed which can be either 'copy' or 'cut'.\n * @param {String} action\n */\n\n }, {\n key: \"destroy\",\n\n /**\n * Destroy lifecycle.\n */\n value: function destroy() {\n this.removeFake();\n }\n }, {\n key: \"action\",\n set: function set() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';\n this._action = action;\n\n if (this._action !== 'copy' && this._action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n }\n }\n /**\n * Gets the `action` property.\n * @return {String}\n */\n ,\n get: function get() {\n return this._action;\n }\n /**\n * Sets the `target` property using an element\n * that will be have its content copied.\n * @param {Element} target\n */\n\n }, {\n key: \"target\",\n set: function set(target) {\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (this.action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n\n this._target = target;\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n }\n }\n /**\n * Gets the `target` property.\n * @return {String|HTMLElement}\n */\n ,\n get: function get() {\n return this._target;\n }\n }]);\n\n return ClipboardAction;\n}();\n\n/* harmony default export */ var clipboard_action = (ClipboardAction);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction clipboard_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction clipboard_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction clipboard_createClass(Constructor, protoProps, staticProps) { if (protoProps) clipboard_defineProperties(Constructor.prototype, protoProps); if (staticProps) clipboard_defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n clipboard_classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n clipboard_createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n\n if (this.clipboardAction) {\n this.clipboardAction = null;\n }\n\n this.clipboardAction = new clipboard_action({\n action: this.action(trigger),\n target: this.target(trigger),\n text: this.text(trigger),\n container: this.container,\n trigger: trigger,\n emitter: this\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n\n if (this.clipboardAction) {\n this.clipboardAction.destroy();\n this.clipboardAction = null;\n }\n }\n }], [{\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(134);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\nimport { NEVER, Subject, defer, merge } from \"rxjs\"\nimport {\n delay,\n filter,\n map,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getElement,\n requestJSON,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountBackToTop,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantLoading,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget()\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? __search?.index || requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up instant loading, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantLoading({ document$, location$, viewport$ })\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector()\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getElement(\"[href][rel=prev]\")\n if (typeof prev !== \"undefined\")\n prev.click()\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getElement(\"[href][rel=next]\")\n if (typeof next !== \"undefined\")\n next.click()\n break\n }\n })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { target$, viewport$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : NEVER\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, { viewport$, header$ })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Tablet observable */\nwindow.screen$ = screen$ /* Screen observable */\nwindow.print$ = print$ /* Print mode observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.component$ = component$ /* Component observable */\n", "import tslib from '../tslib.js';\r\nconst {\r\n __extends,\r\n __assign,\r\n __rest,\r\n __decorate,\r\n __param,\r\n __metadata,\r\n __awaiter,\r\n __generator,\r\n __exportStar,\r\n __createBinding,\r\n __values,\r\n __read,\r\n __spread,\r\n __spreadArrays,\r\n __spreadArray,\r\n __await,\r\n __asyncGenerator,\r\n __asyncDelegator,\r\n __asyncValues,\r\n __makeTemplateObject,\r\n __importStar,\r\n __importDefault,\r\n __classPrivateFieldGet,\r\n __classPrivateFieldSet,\r\n} = tslib;\r\nexport {\r\n __extends,\r\n __assign,\r\n __rest,\r\n __decorate,\r\n __param,\r\n __metadata,\r\n __awaiter,\r\n __generator,\r\n __exportStar,\r\n __createBinding,\r\n __values,\r\n __read,\r\n __spread,\r\n __spreadArrays,\r\n __spreadArray,\r\n __await,\r\n __asyncGenerator,\r\n __asyncDelegator,\r\n __asyncValues,\r\n __makeTemplateObject,\r\n __importStar,\r\n __importDefault,\r\n __classPrivateFieldGet,\r\n __classPrivateFieldSet,\r\n};\r\n", null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ReplaySubject, Subject, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents are implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted.\n *\n * @returns Document subject\n */\nexport function watchDocument(): Subject {\n const document$ = new ReplaySubject()\n fromEvent(document, \"DOMContentLoaded\")\n .pipe(\n mapTo(document)\n )\n .subscribe(document$)\n\n /* Return document */\n return document$\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element or nothing\n */\nexport function getElement(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T] | undefined\n\nexport function getElement(\n selector: string, node?: ParentNode\n): T | undefined\n\nexport function getElement(\n selector: string, node: ParentNode = document\n): T | undefined {\n return node.querySelector(selector) || undefined\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getElementOrThrow(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T]\n\nexport function getElementOrThrow(\n selector: string, node?: ParentNode\n): T\n\nexport function getElementOrThrow(\n selector: string, node: ParentNode = document\n): T {\n const el = getElement(selector, node)\n if (typeof el === \"undefined\")\n throw new ReferenceError(\n `Missing element: expected \"${selector}\" to be present`\n )\n\n /* Return element */\n return el\n}\n\n/**\n * Retrieve the currently active element\n *\n * @returns Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n return document.activeElement instanceof HTMLElement\n ? document.activeElement\n : undefined\n}\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getElements(\n selector: T, node?: ParentNode\n): HTMLElementTagNameMap[T][]\n\nexport function getElements(\n selector: string, node?: ParentNode\n): T[]\n\nexport function getElements(\n selector: string, node: ParentNode = document\n): T[] {\n return Array.from(node.querySelectorAll(selector))\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Replace an element with the given list of nodes\n *\n * @param el - Element\n * @param nodes - Replacement nodes\n */\nexport function replaceElement(\n el: HTMLElement, ...nodes: Node[]\n): void {\n el.replaceWith(...nodes)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element focus\n *\n * @param el - Element\n * @param value - Whether the element should be focused\n */\nexport function setElementFocus(\n el: HTMLElement, value = true\n): void {\n if (value)\n el.focus()\n else\n el.blur()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @returns Element focus observable\n */\nexport function watchElementFocus(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(el, \"focus\"),\n fromEvent(el, \"blur\")\n )\n .pipe(\n map(({ type }) => type === \"focus\"),\n startWith(el === getActiveElement())\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n Subject,\n defer,\n of\n} from \"rxjs\"\nimport {\n filter,\n finalize,\n map,\n shareReplay,\n startWith,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n width: number /* Element width */\n height: number /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Resize observer entry subject\n */\nconst entry$ = new Subject()\n\n/**\n * Resize observer observable\n *\n * This observable will create a `ResizeObserver` on the first subscription\n * and will automatically terminate it when there are no more subscribers.\n * It's quite important to centralize observation in a single `ResizeObserver`,\n * as the performance difference can be quite dramatic, as the link shows.\n *\n * @see https://bit.ly/3iIYfEm - Google Groups on performance\n */\nconst observer$ = defer(() => of(\n new ResizeObserver(entries => {\n for (const entry of entries)\n entry$.next(entry)\n })\n))\n .pipe(\n switchMap(resize => NEVER.pipe(startWith(resize))\n .pipe(\n finalize(() => resize.disconnect())\n )\n ),\n shareReplay(1)\n )\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementSize(el: HTMLElement): ElementSize {\n return {\n width: el.offsetWidth,\n height: el.offsetHeight\n }\n}\n\n/**\n * Retrieve element content size, i.e. including overflowing content\n *\n * @param el - Element\n *\n * @returns Element size\n */\nexport function getElementContentSize(el: HTMLElement): ElementSize {\n return {\n width: el.scrollWidth,\n height: el.scrollHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * This function returns an observable that subscribes to a single internal\n * instance of `ResizeObserver` upon subscription, and emit resize events until\n * termination. Note that this function should not be called with the same\n * element twice, as the first unsubscription will terminate observation.\n *\n * Sadly, we can't use the `DOMRect` objects returned by the observer, because\n * we need the emitted values to be consistent with `getElementSize`, which will\n * return the used values (rounded) and not actual values (unrounded). Thus, we\n * use the `offset*` properties. See the linked GitHub issue.\n *\n * @see https://bit.ly/3m0k3he - GitHub issue\n *\n * @param el - Element\n *\n * @returns Element size observable\n */\nexport function watchElementSize(\n el: HTMLElement\n): Observable {\n return observer$\n .pipe(\n tap(observer => observer.observe(el)),\n switchMap(observer => entry$\n .pipe(\n filter(({ target }) => target === el),\n finalize(() => observer.unobserve(el)),\n map(() => getElementSize(el))\n )\n ),\n startWith(getElementSize(el))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n startWith\n} from \"rxjs/operators\"\n\nimport {\n getElementContentSize,\n getElementSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @returns Element offset\n */\nexport function getElementOffset(el: HTMLElement): ElementOffset {\n return {\n x: el.scrollLeft,\n y: el.scrollTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @returns Element offset observable\n */\nexport function watchElementOffset(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(el, \"scroll\"),\n fromEvent(window, \"resize\")\n )\n .pipe(\n map(() => getElementOffset(el)),\n startWith(getElementOffset(el))\n )\n}\n\n/**\n * Watch element threshold\n *\n * This function returns an observable which emits whether the bottom scroll\n * offset of an elements is within a certain threshold.\n *\n * @param el - Element\n * @param threshold - Threshold\n *\n * @returns Element threshold observable\n */\nexport function watchElementThreshold(\n el: HTMLElement, threshold = 16\n): Observable {\n return watchElementOffset(el)\n .pipe(\n map(({ y }) => {\n const visible = getElementSize(el)\n const content = getElementContentSize(el)\n return y >= (\n content.height - visible.height - threshold\n )\n }),\n distinctUntilChanged()\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element text selection\n *\n * @param el - Element\n */\nexport function setElementSelection(\n el: HTMLElement\n): void {\n if (el instanceof HTMLInputElement)\n el.select()\n else\n throw new Error(\"Not implemented\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getElementOrThrow } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n | \"drawer\" /* Toggle for drawer */\n | \"search\" /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record = {\n drawer: getElementOrThrow(\"[data-md-toggle=drawer]\"),\n search: getElementOrThrow(\"[data-md-toggle=search]\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n if (toggles[name].checked !== value)\n toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @returns Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable {\n const el = toggles[name]\n return fromEvent(el, \"change\")\n .pipe(\n map(() => el.checked),\n startWith(el.checked)\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { filter, map, share } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../element\"\nimport { getToggle } from \"../toggle\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n | \"global\" /* Global */\n | \"search\" /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard {\n mode: KeyboardMode /* Keyboard mode */\n type: string /* Key type */\n claim(): void /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n * @param type - Key type\n *\n * @returns Test result\n */\nfunction isSusceptibleToKeyboard(\n el: HTMLElement, type: string\n): boolean {\n switch (el.constructor) {\n\n /* Input elements */\n case HTMLInputElement:\n /* @ts-expect-error - omit unnecessary type cast */\n if (el.type === \"radio\")\n return /^Arrow/.test(type)\n else\n return true\n\n /* Select element and textarea */\n case HTMLSelectElement:\n case HTMLTextAreaElement:\n return true\n\n /* Everything else */\n default:\n return el.isContentEditable\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch keyboard\n *\n * @returns Keyboard observable\n */\nexport function watchKeyboard(): Observable {\n return fromEvent(window, \"keydown\")\n .pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\n map(ev => ({\n mode: getToggle(\"search\") ? \"search\" : \"global\",\n type: ev.key,\n claim() {\n ev.preventDefault()\n ev.stopPropagation()\n }\n } as Keyboard)),\n filter(({ mode, type }) => {\n if (mode === \"global\") {\n const active = getActiveElement()\n if (typeof active !== \"undefined\")\n return !isSusceptibleToKeyboard(active, type)\n }\n return true\n }),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function returns a `URL` object (and not `Location`) to normalize the\n * typings across the application. Furthermore, locations need to be tracked\n * without setting them and `Location` is a singleton which represents the\n * current location.\n *\n * @returns URL\n */\nexport function getLocation(): URL {\n return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @returns Location subject\n */\nexport function watchLocation(): Subject {\n return new Subject()\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(el: HTMLElement, child: Child | Child[]): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @template T - Element type\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @returns Element\n */\nexport function h(\n tag: T, attributes?: Attributes | null, ...children: Child[]\n): HTMLElementTagNameMap[T]\n\nexport function h(\n tag: string, attributes?: Attributes | null, ...children: Child[]\n): T\n\nexport function h(\n tag: string, attributes?: Attributes | null, ...children: Child[]\n): T {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of Object.keys(attributes))\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else if (attributes[attr])\n el.setAttribute(attr, \"\")\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el as T\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n namespace JSX {\n type Element = HTMLElement\n type IntrinsicElements = JSXInternal.IntrinsicElements\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * This is not a very reasonable approach, since the summaries kind of suck.\n * It would be better to create something more intelligent, highlighting the\n * search occurrences and making a better summary out of it, but this note was\n * written three years ago, so who knows if we'll ever fix it.\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @returns Truncated value\n */\nexport function truncate(value: string, n: number): string {\n let i = n\n if (value.length > i) {\n while (value[i] !== \" \" && --i > 0) { /* keep eating */ }\n return `${value.substring(0, i)}...`\n }\n return value\n}\n\n/**\n * Round a number for display with repository facts\n *\n * This is a reverse-engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @returns Rounded value\n */\nexport function round(value: number): string {\n if (value > 999) {\n const digits = +((value - 950) % 1000 > 99)\n return `${((value + 0.000001) / 1000).toFixed(digits)}k`\n } else {\n return value.toString()\n }\n}\n\n/**\n * Simple hash function\n *\n * @see https://bit.ly/2wsVjJ4 - Original source\n *\n * @param value - Value to be hashed\n *\n * @returns Hash as 32bit integer\n */\nexport function hash(value: string): number {\n let h = 0\n for (let i = 0, len = value.length; i < len; i++) {\n h = ((h << 5) - h) + value.charCodeAt(i)\n h |= 0 // Convert to 32bit integer\n }\n return h\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport {\n filter,\n map,\n shareReplay,\n startWith\n} from \"rxjs/operators\"\n\nimport { getElement } from \"~/browser\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @returns Location hash\n */\nexport function getLocationHash(): string {\n return location.hash.substring(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n const el = h(\"a\", { href: hash })\n el.addEventListener(\"click\", ev => ev.stopPropagation())\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @returns Location hash observable\n */\nexport function watchLocationHash(): Observable {\n return fromEvent(window, \"hashchange\")\n .pipe(\n map(getLocationHash),\n startWith(getLocationHash()),\n filter(hash => hash.length > 0),\n shareReplay(1)\n )\n}\n\n/**\n * Watch location target\n *\n * @returns Location target observable\n */\nexport function watchLocationTarget(): Observable {\n return watchLocationHash()\n .pipe(\n map(id => getElement(`[id=\"${id}\"]`)!),\n filter(el => typeof el !== \"undefined\")\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n fromEvent,\n fromEventPattern\n} from \"rxjs\"\nimport {\n mapTo,\n startWith,\n switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * Note that although `MediaQueryList.addListener` is deprecated we have to\n * use it, because it's the only way to ensure proper downward compatibility.\n *\n * @see https://bit.ly/3dUBH2m - GitHub issue\n *\n * @param query - Media query\n *\n * @returns Media observable\n */\nexport function watchMedia(query: string): Observable {\n const media = matchMedia(query)\n return fromEventPattern(next => (\n media.addListener(() => next(media.matches))\n ))\n .pipe(\n startWith(media.matches)\n )\n}\n\n/**\n * Watch print mode, cross-browser\n *\n * @returns Print mode observable\n */\nexport function watchPrint(): Observable {\n return fromEvent(window, \"beforeprint\")\n .pipe(\n mapTo(undefined)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Toggle an observable with a media observable\n *\n * @template T - Data type\n *\n * @param query$ - Media observable\n * @param factory - Observable factory\n *\n * @returns Toggled observable\n */\nexport function at(\n query$: Observable, factory: () => Observable\n): Observable {\n return query$\n .pipe(\n switchMap(active => active ? factory() : NEVER)\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable, from } from \"rxjs\"\nimport {\n catchError,\n filter,\n map,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch the given URL\n *\n * If the request fails (e.g. when dispatched from `file://` locations), the\n * observable will complete without emitting a value.\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Response observable\n */\nexport function request(\n url: URL | string, options: RequestInit = { credentials: \"same-origin\" }\n): Observable {\n return from(fetch(`${url}`, options))\n .pipe(\n filter(res => res.status === 200),\n catchError(() => EMPTY)\n )\n}\n\n/**\n * Fetch JSON from the given URL\n *\n * @template T - Data type\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestJSON(\n url: URL | string, options?: RequestInit\n): Observable {\n return request(url, options)\n .pipe(\n switchMap(res => res.json()),\n shareReplay(1)\n )\n}\n\n/**\n * Fetch XML from the given URL\n *\n * @param url - Request URL\n * @param options - Options\n *\n * @returns Data observable\n */\nexport function requestXML(\n url: URL | string, options?: RequestInit\n): Observable {\n const dom = new DOMParser()\n return request(url, options)\n .pipe(\n switchMap(res => res.text()),\n map(res => dom.parseFromString(res, \"text/xml\")),\n shareReplay(1)\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @returns Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n return {\n x: Math.max(0, pageXOffset),\n y: Math.max(0, pageYOffset)\n }\n}\n\n/**\n * Set viewport offset\n *\n * @param offset - Viewport offset\n */\nexport function setViewportOffset(\n { x, y }: Partial\n): void {\n window.scrollTo(x || 0, y || 0)\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @returns Viewport offset observable\n */\nexport function watchViewportOffset(): Observable {\n return merge(\n fromEvent(window, \"scroll\", { passive: true }),\n fromEvent(window, \"resize\", { passive: true })\n )\n .pipe(\n map(getViewportOffset),\n startWith(getViewportOffset())\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n width: number /* Viewport width */\n height: number /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @returns Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n return {\n width: innerWidth,\n height: innerHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @returns Viewport size observable\n */\nexport function watchViewportSize(): Observable {\n return fromEvent(window, \"resize\", { passive: true })\n .pipe(\n map(getViewportSize),\n startWith(getViewportSize())\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest } from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n map,\n shareReplay\n} from \"rxjs/operators\"\n\nimport { Header } from \"~/components\"\n\nimport {\n ViewportOffset,\n watchViewportOffset\n} from \"../offset\"\nimport {\n ViewportSize,\n watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n offset: ViewportOffset /* Viewport offset */\n size: ViewportSize /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch at options\n */\ninterface WatchAtOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
/* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @returns Viewport observable\n */\nexport function watchViewport(): Observable {\n return combineLatest([\n watchViewportOffset(),\n watchViewportSize()\n ])\n .pipe(\n map(([offset, size]) => ({ offset, size })),\n shareReplay(1)\n )\n}\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @returns Viewport observable\n */\nexport function watchViewportAt(\n el: HTMLElement, { viewport$, header$ }: WatchAtOptions\n): Observable {\n const size$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\")\n )\n\n /* Compute element offset */\n const offset$ = combineLatest([size$, header$])\n .pipe(\n map((): ViewportOffset => ({\n x: el.offsetLeft,\n y: el.offsetTop\n }))\n )\n\n /* Compute relative viewport, return hot observable */\n return combineLatest([header$, viewport$, offset$])\n .pipe(\n map(([{ height }, { offset, size }, { x, y }]) => ({\n offset: {\n x: offset.x - x,\n y: offset.y - y + height\n },\n size\n }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, fromEvent } from \"rxjs\"\nimport {\n map,\n share,\n switchMapTo,\n tap,\n throttle\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n type: unknown /* Message type */\n data?: unknown /* Message data */\n}\n\n/**\n * Worker handler\n *\n * @template T - Message type\n */\nexport interface WorkerHandler<\n T extends WorkerMessage\n> {\n tx$: Subject /* Message transmission subject */\n rx$: Observable /* Message receive observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n *\n * @template T - Worker message type\n */\ninterface WatchOptions {\n tx$: Observable /* Message transmission observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that sends all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n * @param options - Options\n *\n * @returns Worker message observable\n */\nexport function watchWorker(\n worker: Worker, { tx$ }: WatchOptions\n): Observable {\n\n /* Intercept messages from worker-like objects */\n const rx$ = fromEvent(worker, \"message\")\n .pipe(\n map(({ data }) => data as T)\n )\n\n /* Send and receive messages, return hot observable */\n return tx$\n .pipe(\n throttle(() => rx$, { leading: true, trailing: true }),\n tap(message => worker.postMessage(message)),\n switchMapTo(rx$),\n share()\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow, getLocation } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flag\n */\nexport type Flag =\n | \"header.autohide\" /* Hide header */\n | \"navigation.expand\" /* Automatic expansion */\n | \"navigation.instant\" /* Instant loading */\n | \"navigation.indexes\" /* Section pages */\n | \"navigation.sections\" /* Section navigation */\n | \"navigation.tabs\" /* Tabs navigation */\n | \"navigation.tabs.sticky\" /* Tabs navigation (sticky) */\n | \"navigation.top\" /* Back-to-top button */\n | \"search.highlight\" /* Search highlighting */\n | \"search.share\" /* Search sharing */\n | \"search.suggest\" /* Search suggestions */\n | \"toc.integrate\" /* Integrated table of contents */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Translation\n */\nexport type Translation =\n | \"clipboard.copy\" /* Copy to clipboard */\n | \"clipboard.copied\" /* Copied to clipboard */\n | \"search.config.lang\" /* Search language */\n | \"search.config.pipeline\" /* Search pipeline */\n | \"search.config.separator\" /* Search separator */\n | \"search.placeholder\" /* Search */\n | \"search.result.placeholder\" /* Type to start searching */\n | \"search.result.none\" /* No matching documents */\n | \"search.result.one\" /* 1 matching document */\n | \"search.result.other\" /* # matching documents */\n | \"search.result.more.one\" /* 1 more on this page */\n | \"search.result.more.other\" /* # more on this page */\n | \"search.result.term.missing\" /* Missing */\n | \"select.version.title\" /* Version selector */\n\n/**\n * Translations\n */\nexport type Translations = Record\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Versioning\n */\nexport interface Versioning {\n provider: \"mike\" /* Version provider */\n}\n\n/**\n * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n features: Flag[] /* Feature flags */\n translations: Translations /* Translations */\n search: string /* Search worker URL */\n version?: Versioning /* Versioning */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration and make base URL absolute\n */\nconst script = getElementOrThrow(\"#__config\")\nconst config: Config = JSON.parse(script.textContent!)\nconfig.base = `${new URL(config.base, getLocation())}`\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve global configuration\n *\n * @returns Global configuration\n */\nexport function configuration(): Config {\n return config\n}\n\n/**\n * Check whether a feature flag is enabled\n *\n * @param flag - Feature flag\n *\n * @returns Test result\n */\nexport function feature(flag: Flag): boolean {\n return config.features.includes(flag)\n}\n\n/**\n * Retrieve the translation for the given key\n *\n * @param key - Key to be translated\n * @param value - Positional value, if any\n *\n * @returns Translation\n */\nexport function translation(\n key: Translation, value?: string | number\n): string {\n return typeof value !== \"undefined\"\n ? config.translations[key].replace(\"#\", value.toString())\n : config.translations[key]\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow, getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type\n */\nexport type ComponentType =\n | \"announce\" /* Announcement bar */\n | \"container\" /* Container */\n | \"content\" /* Content */\n | \"dialog\" /* Dialog */\n | \"header\" /* Header */\n | \"header-title\" /* Header title */\n | \"header-topic\" /* Header topic */\n | \"main\" /* Main area */\n | \"palette\" /* Color palette */\n | \"search\" /* Search */\n | \"search-query\" /* Search input */\n | \"search-result\" /* Search results */\n | \"search-share\" /* Search sharing */\n | \"search-suggest\" /* Search suggestions */\n | \"sidebar\" /* Sidebar */\n | \"skip\" /* Skip link */\n | \"source\" /* Repository information */\n | \"tabs\" /* Navigation tabs */\n | \"toc\" /* Table of contents */\n | \"top\" /* Back-to-top button */\n\n/**\n * Component\n *\n * @template T - Component type\n * @template U - Reference type\n */\nexport type Component<\n T extends {} = {},\n U extends HTMLElement = HTMLElement\n> =\n T & {\n ref: U /* Component reference */\n }\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component type map\n */\ninterface ComponentTypeMap {\n \"announce\": HTMLElement /* Announcement bar */\n \"container\": HTMLElement /* Container */\n \"content\": HTMLElement /* Content */\n \"dialog\": HTMLElement /* Dialog */\n \"header\": HTMLElement /* Header */\n \"header-title\": HTMLElement /* Header title */\n \"header-topic\": HTMLElement /* Header topic */\n \"main\": HTMLElement /* Main area */\n \"palette\": HTMLElement /* Color palette */\n \"search\": HTMLElement /* Search */\n \"search-query\": HTMLInputElement /* Search input */\n \"search-result\": HTMLElement /* Search results */\n \"search-share\": HTMLAnchorElement /* Search sharing */\n \"search-suggest\": HTMLElement /* Search suggestions */\n \"sidebar\": HTMLElement /* Sidebar */\n \"skip\": HTMLAnchorElement /* Skip link */\n \"source\": HTMLAnchorElement /* Repository information */\n \"tabs\": HTMLElement /* Navigation tabs */\n \"toc\": HTMLElement /* Table of contents */\n \"top\": HTMLAnchorElement /* Back-to-top button */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the element for a given component or throw a reference error\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Element\n */\nexport function getComponentElement(\n type: T, node: ParentNode = document\n): ComponentTypeMap[T] {\n return getElementOrThrow(`[data-md-component=${type}]`, node)\n}\n\n/**\n * Retrieve all elements for a given component\n *\n * @template T - Component type\n *\n * @param type - Component type\n * @param node - Node of reference\n *\n * @returns Elements\n */\nexport function getComponentElements(\n type: T, node: ParentNode = document\n): ComponentTypeMap[T][] {\n return getElements(`[data-md-component=${type}]`, node)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport {\n NEVER,\n Observable,\n Subject,\n fromEvent,\n merge,\n of\n} from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n finalize,\n map,\n switchMap,\n tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { resetFocusable, setFocusable } from \"~/actions\"\nimport {\n Viewport,\n getElementContentSize,\n getElementSize,\n getElements,\n watchMedia\n} from \"~/browser\"\nimport { renderClipboardButton } from \"~/templates\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Code block\n */\nexport interface CodeBlock {\n scroll: boolean /* Code block overflows */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Global index for Clipboard.js integration\n */\nlet index = 0\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch code block\n *\n * This function monitors size changes of the viewport, as well as switches of\n * content tabs with embedded code blocks, as both may trigger overflow.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block observable\n */\nexport function watchCodeBlock(\n el: HTMLElement, { viewport$ }: WatchOptions\n): Observable {\n const container$ = of(el)\n .pipe(\n switchMap(child => {\n const container = child.closest(\"[data-tabs]\")\n if (container instanceof HTMLElement) {\n return merge(\n ...getElements(\"input\", container)\n .map(input => fromEvent(input, \"change\"))\n )\n }\n return NEVER\n })\n )\n\n /* Check overflow on resize and tab change */\n return merge(\n viewport$.pipe(distinctUntilKeyChanged(\"size\")),\n container$\n )\n .pipe(\n map(() => {\n const visible = getElementSize(el)\n const content = getElementContentSize(el)\n return {\n scroll: content.width > visible.width\n }\n }),\n distinctUntilKeyChanged(\"scroll\")\n )\n}\n\n/**\n * Mount code block\n *\n * This function ensures that an overflowing code block is focusable through\n * keyboard, so it can be scrolled without a mouse to improve on accessibility.\n *\n * @param el - Code block element\n * @param options - Options\n *\n * @returns Code block component observable\n */\nexport function mountCodeBlock(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n withLatestFrom(watchMedia(\"(hover)\"))\n )\n .subscribe(([{ scroll }, hover]) => {\n if (scroll && hover)\n setFocusable(el)\n else\n resetFocusable(el)\n })\n\n /* Render button for Clipboard.js integration */\n if (ClipboardJS.isSupported()) {\n const parent = el.closest(\"pre\")!\n parent.id = `__code_${index++}`\n parent.insertBefore(\n renderClipboardButton(parent.id),\n el\n )\n }\n\n /* Create and return component */\n return watchCodeBlock(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set focusable property\n *\n * @param el - Element\n * @param value - Tabindex value\n */\nexport function setFocusable(\n el: HTMLElement, value = 0\n): void {\n el.setAttribute(\"tabindex\", value.toString())\n}\n\n/**\n * Reset focusable property\n *\n * @param el - Element\n */\nexport function resetFocusable(\n el: HTMLElement\n): void {\n el.removeAttribute(\"tabindex\")\n}\n\n/**\n * Set scroll lock\n *\n * @param el - Scrollable element\n * @param value - Vertical offset\n */\nexport function setScrollLock(\n el: HTMLElement, value: number\n): void {\n el.setAttribute(\"data-md-state\", \"lock\")\n el.style.top = `-${value}px`\n}\n\n/**\n * Reset scroll lock\n *\n * @param el - Scrollable element\n */\nexport function resetScrollLock(\n el: HTMLElement\n): void {\n const value = -1 * parseInt(el.style.top, 10)\n el.removeAttribute(\"data-md-state\")\n el.style.top = \"\"\n if (value)\n window.scrollTo(0, value)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set anchor state\n *\n * @param el - Anchor element\n * @param state - Anchor state\n */\nexport function setAnchorState(\n el: HTMLElement, state: \"blur\"\n): void {\n el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset anchor state\n *\n * @param el - Anchor element\n */\nexport function resetAnchorState(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set anchor active\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is active\n */\nexport function setAnchorActive(\n el: HTMLElement, value: boolean\n): void {\n el.classList.toggle(\"md-nav__link--active\", value)\n}\n\n/**\n * Reset anchor active\n *\n * @param el - Anchor element\n */\nexport function resetAnchorActive(\n el: HTMLElement\n): void {\n el.classList.remove(\"md-nav__link--active\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set dialog message\n *\n * @param el - Dialog element\n * @param value - Dialog message\n */\nexport function setDialogMessage(\n el: HTMLElement, value: string\n): void {\n el.firstElementChild!.innerHTML = value\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set dialog state\n *\n * @param el - Dialog element\n * @param state - Dialog state\n */\nexport function setDialogState(\n el: HTMLElement, state: \"open\"\n): void {\n el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset dialog state\n *\n * @param el - Dialog element\n */\nexport function resetDialogState(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header state\n *\n * @param el - Header element\n * @param state - Header state\n */\nexport function setHeaderState(\n el: HTMLElement, state: \"shadow\" | \"hidden\"\n): void {\n el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset header state\n *\n * @param el - Header element\n */\nexport function resetHeaderState(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header title state\n *\n * @param el - Header title element\n * @param state - Header title state\n */\nexport function setHeaderTitleState(\n el: HTMLElement, state: \"active\"\n): void {\n el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset header title state\n *\n * @param el - Header title element\n */\nexport function resetHeaderTitleState(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set search query placeholder\n *\n * @param el - Search query element\n * @param value - Placeholder\n */\nexport function setSearchQueryPlaceholder(\n el: HTMLInputElement, value: string\n): void {\n el.placeholder = value\n}\n\n/**\n * Reset search query placeholder\n *\n * @param el - Search query element\n */\nexport function resetSearchQueryPlaceholder(\n el: HTMLInputElement\n): void {\n el.placeholder = translation(\"search.placeholder\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set number of search results\n *\n * @param el - Search result metadata element\n * @param value - Number of results\n */\nexport function setSearchResultMeta(\n el: HTMLElement, value: number\n): void {\n switch (value) {\n\n /* No results */\n case 0:\n el.textContent = translation(\"search.result.none\")\n break\n\n /* One result */\n case 1:\n el.textContent = translation(\"search.result.one\")\n break\n\n /* Multiple result */\n default:\n el.textContent = translation(\"search.result.other\", round(value))\n }\n}\n\n/**\n * Reset number of search results\n *\n * @param el - Search result metadata element\n */\nexport function resetSearchResultMeta(\n el: HTMLElement\n): void {\n el.textContent = translation(\"search.result.placeholder\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Add an element to the search result list\n *\n * @param el - Search result list element\n * @param child - Search result element\n */\nexport function addToSearchResultList(\n el: HTMLElement, child: Element\n): void {\n el.appendChild(child)\n}\n\n/**\n * Reset search result list\n *\n * @param el - Search result list element\n */\nexport function resetSearchResultList(\n el: HTMLElement\n): void {\n el.innerHTML = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar offset\n *\n * @param el - Sidebar element\n * @param value - Sidebar offset\n */\nexport function setSidebarOffset(\n el: HTMLElement, value: number\n): void {\n el.style.top = `${value}px`\n}\n\n/**\n * Reset sidebar offset\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarOffset(\n el: HTMLElement\n): void {\n el.style.top = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar height\n *\n * This function doesn't set the height of the actual sidebar, but of its first\n * child \u2013 the `.md-sidebar__scrollwrap` element in order to mitigiate jittery\n * sidebars when the footer is scrolled into view. At some point we switched\n * from `absolute` / `fixed` positioning to `sticky` positioning, significantly\n * reducing jitter in some browsers (respectively Firefox and Safari) when\n * scrolling from the top. However, top-aligned sticky positioning means that\n * the sidebar snaps to the bottom when the end of the container is reached.\n * This is what leads to the mentioned jitter, as the sidebar's height may be\n * updated too slowly.\n *\n * This behaviour can be mitigiated by setting the height of the sidebar to `0`\n * while preserving the padding, and the height on its first element.\n *\n * @param el - Sidebar element\n * @param value - Sidebar height\n */\nexport function setSidebarHeight(\n el: HTMLElement, value: number\n): void {\n const scrollwrap = el.firstElementChild as HTMLElement\n scrollwrap.style.height = `${value - 2 * scrollwrap.offsetTop}px`\n}\n\n/**\n * Reset sidebar height\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarHeight(\n el: HTMLElement\n): void {\n const scrollwrap = el.firstElementChild as HTMLElement\n scrollwrap.style.height = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set repository facts\n *\n * @param el - Repository element\n * @param child - Repository facts element\n */\nexport function setSourceFacts(\n el: HTMLElement, child: Element\n): void {\n el.lastElementChild!.appendChild(child)\n}\n\n/**\n * Set repository state\n *\n * @param el - Repository element\n * @param state - Repository state\n */\nexport function setSourceState(\n el: HTMLElement, state: \"done\"\n): void {\n el.lastElementChild!.setAttribute(\"data-md-state\", state)\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set tabs state\n *\n * @param el - Tabs element\n * @param state - Tabs state\n */\nexport function setTabsState(\n el: HTMLElement, state: \"hidden\"\n): void {\n el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset tabs state\n *\n * @param el - Tabs element\n */\nexport function resetTabsState(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set back-to-top state\n *\n * @param el - Back-to-top element\n * @param state - Back-to-top state\n */\nexport function setBackToTopState(\n el: HTMLElement, state: \"hidden\"\n): void {\n el.setAttribute(\"data-md-state\", state)\n}\n\n/**\n * Reset back-to-top state\n *\n * @param el - Back-to-top element\n */\nexport function resetBackToTopState(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set back-to-top offset\n *\n * @param el - Back-to-top element\n * @param value - Back-to-top offset\n */\nexport function setBackToTopOffset(\n el: HTMLElement, value: number\n): void {\n el.style.top = `${value}px`\n}\n\n/**\n * Reset back-to-top offset\n *\n * @param el - Back-to-top element\n */\nexport function resetBackToTopOffset(\n el: HTMLElement\n): void {\n el.style.top = \"\"\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @returns Element\n */\nexport function renderClipboardButton(id: string): HTMLElement {\n return (\n code`}\n >\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { feature, translation } from \"~/_\"\nimport {\n SearchDocument,\n SearchMetadata,\n SearchResultItem\n} from \"~/integrations/search\"\nimport { h, truncate } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Render flag\n */\nconst enum Flag {\n TEASER = 1, /* Render teaser */\n PARENT = 2 /* Render as parent */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper function\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search document\n *\n * @param document - Search document\n * @param flag - Render flags\n *\n * @returns Element\n */\nfunction renderSearchDocument(\n document: SearchDocument & SearchMetadata, flag: Flag\n): HTMLElement {\n const parent = flag & Flag.PARENT\n const teaser = flag & Flag.TEASER\n\n /* Render missing query terms */\n const missing = Object.keys(document.terms)\n .filter(key => !document.terms[key])\n .map(key => [{key}, \" \"])\n .flat()\n .slice(0, -1)\n\n /* Assemble query string for highlighting */\n const url = new URL(document.location)\n if (feature(\"search.highlight\"))\n url.searchParams.set(\"h\", Object.entries(document.terms)\n .filter(([, match]) => match)\n .reduce((highlight, [value]) => `${highlight} ${value}`.trim(), \"\")\n )\n\n /* Render article or section, depending on flags */\n return (\n \n \n {parent > 0 &&
}\n

{document.title}

\n {teaser > 0 && document.text.length > 0 &&\n

\n {truncate(document.text, 320)}\n

\n }\n {teaser > 0 && missing.length > 0 &&\n

\n {translation(\"search.result.term.missing\")}: {...missing}\n

\n }\n \n \n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @returns Element\n */\nexport function renderSearchResultItem(\n result: SearchResultItem\n): HTMLElement {\n const threshold = result[0].score\n const docs = [...result]\n\n /* Find and extract parent article */\n const parent = docs.findIndex(doc => !doc.location.includes(\"#\"))\n const [article] = docs.splice(parent, 1)\n\n /* Determine last index above threshold */\n let index = docs.findIndex(doc => doc.score < threshold)\n if (index === -1)\n index = docs.length\n\n /* Partition sections */\n const best = docs.slice(0, index)\n const more = docs.slice(index)\n\n /* Render children */\n const children = [\n renderSearchDocument(article, Flag.PARENT | +(!parent && index === 0)),\n ...best.map(section => renderSearchDocument(section, Flag.TEASER)),\n ...more.length ? [\n
\n \n {more.length > 0 && more.length === 1\n ? translation(\"search.result.more.one\")\n : translation(\"search.result.more.other\", more.length)\n }\n \n {...more.map(section => renderSearchDocument(section, Flag.TEASER))}\n
\n ] : []\n ]\n\n /* Render search result */\n return (\n
  • \n {children}\n
    • \n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"~/components\"\nimport { h, round } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render repository facts\n *\n * @param facts - Repository facts\n *\n * @returns Element\n */\nexport function renderSourceFacts(facts: SourceFacts): HTMLElement {\n return (\n
      \n {Object.entries(facts).map(([key, value]) => (\n
    • \n {typeof value === \"number\" ? round(value) : value}\n
      • \n ))}\n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @returns Element\n */\nexport function renderTable(table: HTMLElement): HTMLElement {\n return (\n
    \n
    \n {table}\n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration, translation } from \"~/_\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Version\n */\nexport interface Version {\n version: string /* Version identifier */\n title: string /* Version title */\n aliases: string[] /* Version aliases */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version\n *\n * @param version - Version\n *\n * @returns Element\n */\nfunction renderVersion(version: Version): HTMLElement {\n const config = configuration()\n\n /* Ensure trailing slash, see https://bit.ly/3rL5u3f */\n const url = new URL(`../${version.version}/`, config.base)\n return (\n
  • \n \n {version.title}\n \n
    • \n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a version selector\n *\n * @param versions - Versions\n *\n * @returns Element\n */\nexport function renderVersionSelector(versions: Version[]): HTMLElement {\n const config = configuration()\n\n /* Determine active version */\n const [, current] = config.base.match(/([^/]+)\\/?$/)!\n const active =\n versions.find(({ version, aliases }) => (\n version === current || aliases.includes(current)\n )) || versions[0]\n\n /* Render version selector */\n return (\n
    \n \n {active.title}\n \n
      \n {versions.map(renderVersion)}\n
    \n
    \n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject } from \"rxjs\"\nimport {\n filter,\n finalize,\n map,\n mapTo,\n mergeWith,\n tap\n} from \"rxjs/operators\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Details\n */\nexport interface Details {\n scroll?: boolean /* Scroll into view */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Print mode observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n print$: Observable /* Print mode observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch details\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details observable\n */\nexport function watchDetails(\n el: HTMLDetailsElement, { target$, print$ }: WatchOptions\n): Observable
    {\n return target$\n .pipe(\n map(target => target.closest(\"details:not([open])\")!),\n filter(details => el === details),\n mapTo({ scroll: true }),\n mergeWith(print$.pipe(mapTo({})))\n )\n}\n\n/**\n * Mount details\n *\n * This function ensures that `details` tags are opened on anchor jumps and\n * prior to printing, so the whole content of the page is visible.\n *\n * @param el - Details element\n * @param options - Options\n *\n * @returns Details component observable\n */\nexport function mountDetails(\n el: HTMLDetailsElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject
    ()\n internal$.subscribe(({ scroll }) => {\n el.setAttribute(\"open\", \"\")\n if (scroll)\n el.scrollIntoView()\n })\n\n /* Create and return component */\n return watchDetails(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n mapTo({ ref: el })\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, of } from \"rxjs\"\n\nimport { replaceElement } from \"~/browser\"\nimport { renderTable } from \"~/templates\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Data table\n */\nexport interface DataTable {}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Sentinel for replacement\n */\nconst sentinel = h(\"table\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount data table\n *\n * This function wraps a data table in another scrollable container, so it can\n * be smoothly scrolled on smaller screen sizes and won't break the layout.\n *\n * @param el - Data table element\n *\n * @returns Data table component observable\n */\nexport function mountDataTable(\n el: HTMLElement\n): Observable> {\n replaceElement(el, sentinel)\n replaceElement(sentinel, renderTable(el))\n\n /* Create and return component */\n return of({ ref: el })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, Subject, fromEvent, merge } from \"rxjs\"\nimport { finalize, map, mapTo, tap } from \"rxjs/operators\"\n\nimport { getElementOrThrow, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content tabs\n */\nexport interface ContentTabs {\n active: HTMLLabelElement /* Active tab label */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch content tabs\n *\n * @param el - Content tabs element\n *\n * @returns Content tabs observable\n */\nexport function watchContentTabs(\n el: HTMLElement\n): Observable {\n if (!el.classList.contains(\"tabbed-alternate\"))\n return NEVER\n else\n return merge(...getElements(\":scope > input\", el)\n .map(input => fromEvent(input, \"change\").pipe(mapTo(input.id)))\n )\n .pipe(\n map(id => ({\n active: getElementOrThrow(`label[for=${id}]`)\n }))\n )\n}\n\n/**\n * Mount content tabs\n *\n * @param el - Content tabs element\n *\n * @returns Content tabs component observable\n */\nexport function mountContentTabs(\n el: HTMLElement\n): Observable> {\n const internal$ = new Subject()\n internal$.subscribe(({ active }) => {\n // TODO: Hack, scrollIntoView is too buggy\n const container = active.parentElement!\n if (\n active.offsetLeft + active.offsetWidth > container.scrollLeft + container.offsetWidth ||\n active.offsetLeft < container.scrollLeft\n )\n container.scrollTo({\n behavior: \"smooth\",\n left: active.offsetLeft\n })\n })\n\n /* Create and return component */\n return watchContentTabs(el)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, merge } from \"rxjs\"\n\nimport { Viewport, getElements } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { CodeBlock, mountCodeBlock } from \"../code\"\nimport { Details, mountDetails } from \"../details\"\nimport { DataTable, mountDataTable } from \"../table\"\nimport { ContentTabs, mountContentTabs } from \"../tabs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Content\n */\nexport type Content =\n | ContentTabs\n | CodeBlock\n | DataTable\n | Details\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n target$: Observable /* Location target observable */\n viewport$: Observable /* Viewport observable */\n print$: Observable /* Print mode observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount content\n *\n * This function mounts all components that are found in the content of the\n * actual article, including code blocks, data tables and details.\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Content component observable\n */\nexport function mountContent(\n el: HTMLElement, { target$, viewport$, print$ }: MountOptions\n): Observable> {\n return merge(\n\n /* Code blocks */\n ...getElements(\"pre > code\", el)\n .map(child => mountCodeBlock(child, { viewport$ })),\n\n /* Data tables */\n ...getElements(\"table:not([class])\", el)\n .map(child => mountDataTable(child)),\n\n /* Details */\n ...getElements(\"details\", el)\n .map(child => mountDetails(child, { target$, print$ })),\n\n /* Content tabs */\n ...getElements(\"[data-tabs]\", el)\n .map(child => mountContentTabs(child))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n merge,\n of\n} from \"rxjs\"\nimport {\n delay,\n finalize,\n map,\n observeOn,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetDialogState,\n setDialogMessage,\n setDialogState\n} from \"~/actions\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Dialog\n */\nexport interface Dialog {\n message: string /* Dialog message */\n open: boolean /* Dialog is visible */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n alert$: Subject /* Alert subject */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n alert$: Subject /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch dialog\n *\n * @param _el - Dialog element\n * @param options - Options\n *\n * @returns Dialog observable\n */\nexport function watchDialog(\n _el: HTMLElement, { alert$ }: WatchOptions\n): Observable {\n return alert$\n .pipe(\n switchMap(message => merge(\n of(true),\n of(false).pipe(delay(2000))\n )\n .pipe(\n map(open => ({ message, open }))\n )\n )\n )\n}\n\n/**\n * Mount dialog\n *\n * This function reveals the dialog in the right cornerwhen a new alert is\n * emitted through the subject that is passed as part of the options.\n *\n * @param el - Dialog element\n * @param options - Options\n *\n * @returns Dialog component observable\n */\nexport function mountDialog(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n observeOn(animationFrameScheduler)\n )\n .subscribe(({ message, open }) => {\n setDialogMessage(el, message)\n if (open)\n setDialogState(el, \"open\")\n else\n resetDialogState(el)\n })\n\n /* Create and return component */\n return watchDialog(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n combineLatest,\n defer,\n of\n} from \"rxjs\"\nimport {\n bufferCount,\n combineLatestWith,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n map,\n observeOn,\n shareReplay,\n startWith,\n switchMap\n} from \"rxjs/operators\"\n\nimport { feature } from \"~/_\"\nimport { resetHeaderState, setHeaderState } from \"~/actions\"\nimport {\n Viewport,\n watchElementSize,\n watchToggle\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n height: number /* Header visible height */\n sticky: boolean /* Header stickyness */\n hidden: boolean /* User scrolled past threshold */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute whether the header is hidden\n *\n * If the user scrolls past a certain threshold, the header can be hidden when\n * scrolling down, and shown when scrolling up.\n *\n * @param options - Options\n *\n * @returns Toggle observable\n */\nfunction isHidden({ viewport$ }: WatchOptions): Observable {\n if (!feature(\"header.autohide\"))\n return of(false)\n\n /* Compute direction and turning point */\n const direction$ = viewport$\n .pipe(\n map(({ offset: { y } }) => y),\n bufferCount(2, 1),\n map(([a, b]) => [a < b, b] as const),\n distinctUntilKeyChanged(0)\n )\n\n /* Compute whether header should be hidden */\n const hidden$ = combineLatest([viewport$, direction$])\n .pipe(\n filter(([{ offset }, [, y]]) => Math.abs(y - offset.y) > 100),\n map(([, [direction]]) => direction),\n distinctUntilChanged()\n )\n\n /* Compute threshold for hiding */\n const search$ = watchToggle(\"search\")\n return combineLatest([viewport$, search$])\n .pipe(\n map(([{ offset }, search]) => offset.y > 400 && !search),\n distinctUntilChanged(),\n switchMap(active => active ? hidden$ : of(false)),\n startWith(false)\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header observable\n */\nexport function watchHeader(\n el: HTMLElement, options: WatchOptions\n): Observable
    {\n return defer(() => {\n const styles = getComputedStyle(el)\n return of(\n styles.position === \"sticky\" ||\n styles.position === \"-webkit-sticky\"\n )\n })\n .pipe(\n combineLatestWith(watchElementSize(el), isHidden(options)),\n map(([sticky, { height }, hidden]) => ({\n height: sticky ? height : 0,\n sticky,\n hidden\n })),\n distinctUntilChanged((a, b) => (\n a.sticky === b.sticky &&\n a.height === b.height &&\n a.hidden === b.hidden\n )),\n shareReplay(1)\n )\n}\n\n/**\n * Mount header\n *\n * This function manages the different states of the header, i.e. whether it's\n * hidden or rendered with a shadow. This depends heavily on the main area.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @returns Header component observable\n */\nexport function mountHeader(\n el: HTMLElement, { header$, main$ }: MountOptions\n): Observable> {\n const internal$ = new Subject
    ()\n internal$\n .pipe(\n distinctUntilKeyChanged(\"active\"),\n combineLatestWith(header$),\n observeOn(animationFrameScheduler)\n )\n .subscribe(([{ active }, { hidden }]) => {\n if (active)\n setHeaderState(el, hidden ? \"hidden\" : \"shadow\")\n else\n resetHeaderState(el)\n })\n\n /* Connect to long-living subject and return component */\n main$.subscribe(main => internal$.next(main))\n return header$\n .pipe(\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n NEVER,\n Observable,\n Subject,\n animationFrameScheduler\n} from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n finalize,\n map,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetHeaderTitleState,\n setHeaderTitleState\n} from \"~/actions\"\nimport {\n Viewport,\n getElement,\n getElementSize,\n watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { Header } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface HeaderTitle {\n active: boolean /* User scrolled past first headline */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header title\n *\n * @param el - Heading element\n * @param options - Options\n *\n * @returns Header title observable\n */\nexport function watchHeaderTitle(\n el: HTMLHeadingElement, { viewport$, header$ }: WatchOptions\n): Observable {\n return watchViewportAt(el, { header$, viewport$ })\n .pipe(\n map(({ offset: { y } }) => {\n const { height } = getElementSize(el)\n return {\n active: y >= height\n }\n }),\n distinctUntilKeyChanged(\"active\")\n )\n}\n\n/**\n * Mount header title\n *\n * This function swaps the header title from the site title to the title of the\n * current page when the user scrolls past the first headline.\n *\n * @param el - Header title element\n * @param options - Options\n *\n * @returns Header title component observable\n */\nexport function mountHeaderTitle(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n observeOn(animationFrameScheduler)\n )\n .subscribe(({ active }) => {\n if (active)\n setHeaderTitleState(el, \"active\")\n else\n resetHeaderTitleState(el)\n })\n\n /* Obtain headline, if any */\n const headline = getElement(\"article h1\")\n if (typeof headline === \"undefined\")\n return NEVER\n\n /* Create and return component */\n return watchHeaderTitle(headline, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n combineLatest\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n distinctUntilKeyChanged,\n map,\n switchMap\n} from \"rxjs/operators\"\n\nimport { Viewport, watchElementSize } from \"~/browser\"\n\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n offset: number /* Main area top offset */\n height: number /* Main area visible height */\n active: boolean /* User scrolled past header */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @returns Main area observable\n */\nexport function watchMain(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable
    {\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(({ height }) => height),\n distinctUntilChanged()\n )\n\n /* Compute the main area's top and bottom borders */\n const border$ = adjust$\n .pipe(\n switchMap(() => watchElementSize(el)\n .pipe(\n map(({ height }) => ({\n top: el.offsetTop,\n bottom: el.offsetTop + height\n })),\n distinctUntilKeyChanged(\"bottom\")\n )\n )\n )\n\n /* Compute the main area's offset, visible height and if we scrolled past */\n return combineLatest([adjust$, border$, viewport$])\n .pipe(\n map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n height = Math.max(0, height\n - Math.max(0, top - y, header)\n - Math.max(0, height + y - bottom)\n )\n return {\n offset: top - header,\n height,\n active: top - header <= y\n }\n }),\n distinctUntilChanged((a, b) => (\n a.offset === b.offset &&\n a.height === b.height &&\n a.active === b.active\n ))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n fromEvent,\n of\n} from \"rxjs\"\nimport {\n finalize,\n map,\n mapTo,\n mergeMap,\n shareReplay,\n startWith,\n tap\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\nimport { Component } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Palette colors\n */\nexport interface PaletteColor {\n scheme?: string /* Color scheme */\n primary?: string /* Primary color */\n accent?: string /* Accent color */\n}\n\n/**\n * Palette\n */\nexport interface Palette {\n index: number /* Palette index */\n color: PaletteColor /* Palette colors */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch color palette\n *\n * @param inputs - Color palette element\n *\n * @returns Color palette observable\n */\nexport function watchPalette(\n inputs: HTMLInputElement[]\n): Observable {\n const data = localStorage.getItem(__prefix(\"__palette\"))!\n const current = JSON.parse(data) || {\n index: inputs.findIndex(input => (\n matchMedia(input.getAttribute(\"data-md-color-media\")!).matches\n ))\n }\n\n /* Emit changes in color palette */\n const palette$ = of(...inputs)\n .pipe(\n mergeMap(input => fromEvent(input, \"change\")\n .pipe(\n mapTo(input)\n )\n ),\n startWith(inputs[Math.max(0, current.index)]),\n map(input => ({\n index: inputs.indexOf(input),\n color: {\n scheme: input.getAttribute(\"data-md-color-scheme\"),\n primary: input.getAttribute(\"data-md-color-primary\"),\n accent: input.getAttribute(\"data-md-color-accent\")\n }\n } as Palette)),\n shareReplay(1)\n )\n\n /* Persist preference in local storage */\n palette$.subscribe(palette => {\n localStorage.setItem(__prefix(\"__palette\"), JSON.stringify(palette))\n })\n\n /* Return palette */\n return palette$\n}\n\n/**\n * Mount color palette\n *\n * @param el - Color palette element\n *\n * @returns Color palette component observable\n */\nexport function mountPalette(\n el: HTMLElement\n): Observable> {\n const internal$ = new Subject()\n\n /* Set color palette */\n internal$.subscribe(palette => {\n for (const [key, value] of Object.entries(palette.color))\n if (typeof value === \"string\")\n document.body.setAttribute(`data-md-color-${key}`, value)\n\n /* Toggle visibility */\n for (let index = 0; index < inputs.length; index++) {\n const label = inputs[index].nextElementSibling\n if (label instanceof HTMLElement)\n label.hidden = palette.index !== index\n }\n })\n\n /* Create and return component */\n const inputs = getElements(\"input\", el)\n return watchPalette(inputs)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ClipboardJS from \"clipboard\"\nimport { Observable, Subject } from \"rxjs\"\n\nimport { translation } from \"~/_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n alert$: Subject /* Alert subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up Clipboard.js integration\n *\n * @param options - Options\n */\nexport function setupClipboardJS(\n { alert$ }: SetupOptions\n): void {\n if (ClipboardJS.isSupported()) {\n new Observable(subscriber => {\n new ClipboardJS(\"[data-clipboard-target], [data-clipboard-text]\")\n .on(\"success\", ev => subscriber.next(ev))\n })\n .subscribe(() => alert$.next(translation(\"clipboard.copied\")))\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n fromEvent,\n merge,\n of\n} from \"rxjs\"\nimport {\n bufferCount,\n catchError,\n concatMap,\n debounceTime,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n map,\n sample,\n share,\n skip,\n skipUntil,\n switchMap\n} from \"rxjs/operators\"\n\nimport { configuration, feature } from \"~/_\"\nimport {\n Viewport,\n ViewportOffset,\n getElement,\n getElements,\n replaceElement,\n request,\n requestXML,\n setLocation,\n setLocationHash,\n setViewportOffset\n} from \"~/browser\"\nimport { getComponentElement } from \"~/components\"\nimport { h } from \"~/utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * History state\n */\nexport interface HistoryState {\n url: URL /* State URL */\n offset?: ViewportOffset /* State viewport offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Subject /* Document subject */\n location$: Subject /* Location subject */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Preprocess a list of URLs\n *\n * This function replaces the `site_url` in the sitemap with the actual base\n * URL, to allow instant loading to work in occasions like Netlify previews.\n *\n * @param urls - URLs\n *\n * @returns Processed URLs\n */\nfunction preprocess(urls: string[]): string[] {\n if (urls.length < 2)\n return urls\n\n /* Take the first two URLs and remove everything after the last slash */\n const [root, next] = urls\n .sort((a, b) => a.length - b.length)\n .map(url => url.replace(/[^/]+$/, \"\"))\n\n /* Compute common prefix */\n let index = 0\n if (root === next)\n index = root.length\n else\n while (root.charCodeAt(index) === next.charCodeAt(index))\n index++\n\n /* Replace common prefix (i.e. base) with effective base */\n const config = configuration()\n return urls.map(url => (\n url.replace(root.slice(0, index), config.base)\n ))\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant loading\n *\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\n * since all MkDocs links are relative, we need to make sure that the current\n * location matches the document we just loaded. Otherwise any relative links\n * in the document could use the old location.\n *\n * This is the reason why we need to synchronize history events and the process\n * of fetching the document for navigation changes (except `popstate` events):\n *\n * 1. Fetch document via `XMLHTTPRequest`\n * 2. Set new location via `history.pushState`\n * 3. Parse and emit fetched document\n *\n * For `popstate` events, we must not use `history.pushState`, or the forward\n * history will be irreversibly overwritten. In case the request fails, the\n * location change is dispatched regularly.\n *\n * @param options - Options\n */\nexport function setupInstantLoading(\n { document$, location$, viewport$ }: SetupOptions\n): void {\n const config = configuration()\n if (location.protocol === \"file:\")\n return\n\n /* Disable automatic scroll restoration */\n if (\"scrollRestoration\" in history) {\n history.scrollRestoration = \"manual\"\n\n /* Hack: ensure that reloads restore viewport offset */\n fromEvent(window, \"beforeunload\")\n .subscribe(() => {\n history.scrollRestoration = \"auto\"\n })\n }\n\n /* Hack: ensure absolute favicon link to omit 404s when switching */\n const favicon = getElement(\"link[rel=icon]\")\n if (typeof favicon !== \"undefined\")\n favicon.href = favicon.href\n\n /* Intercept internal navigation */\n const push$ = requestXML(new URL(\"sitemap.xml\", config.base))\n .pipe(\n map(sitemap => preprocess(getElements(\"loc\", sitemap)\n .map(node => node.textContent!)\n )),\n switchMap(urls => fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !ev.metaKey && !ev.ctrlKey),\n switchMap(ev => {\n\n /* Handle HTML and SVG elements */\n if (ev.target instanceof Element) {\n const el = ev.target.closest(\"a\")\n if (el && !el.target) {\n const url = new URL(el.href)\n\n /* Canonicalize URL */\n url.search = \"\"\n url.hash = \"\"\n\n /* Check if URL should be intercepted */\n if (\n url.pathname !== location.pathname &&\n urls.includes(url.toString())\n ) {\n ev.preventDefault()\n return of({\n url: new URL(el.href)\n })\n }\n }\n }\n return NEVER\n })\n )\n ),\n share()\n )\n\n /* Intercept history back and forward */\n const pop$ = fromEvent(window, \"popstate\")\n .pipe(\n filter(ev => ev.state !== null),\n map(ev => ({\n url: new URL(location.href),\n offset: ev.state\n })),\n share()\n )\n\n /* Emit location change */\n merge(push$, pop$)\n .pipe(\n distinctUntilChanged((a, b) => a.url.href === b.url.href),\n map(({ url }) => url)\n )\n .subscribe(location$)\n\n /* Fetch document via `XMLHTTPRequest` */\n const response$ = location$\n .pipe(\n distinctUntilKeyChanged(\"pathname\"),\n switchMap(url => request(url.href)\n .pipe(\n catchError(() => {\n setLocation(url)\n return NEVER\n })\n )\n ),\n share()\n )\n\n /* Set new location via `history.pushState` */\n push$\n .pipe(\n sample(response$)\n )\n .subscribe(({ url }) => {\n history.pushState({}, \"\", `${url}`)\n })\n\n /* Parse and emit fetched document */\n const dom = new DOMParser()\n response$\n .pipe(\n switchMap(res => res.text()),\n map(res => dom.parseFromString(res, \"text/html\"))\n )\n .subscribe(document$)\n\n /* Replace meta tags and components */\n document$\n .pipe(\n skip(1)\n )\n .subscribe(replacement => {\n for (const selector of [\n\n /* Meta tags */\n \"title\",\n \"link[rel=canonical]\",\n \"meta[name=author]\",\n \"meta[name=description]\",\n\n /* Components */\n \"[data-md-component=announce]\",\n \"[data-md-component=container]\",\n \"[data-md-component=header-topic]\",\n \"[data-md-component=logo], .md-logo\", // compat\n \"[data-md-component=skip]\",\n ...feature(\"navigation.tabs.sticky\")\n ? [\"[data-md-component=tabs]\"]\n : []\n ]) {\n const source = getElement(selector)\n const target = getElement(selector, replacement)\n if (\n typeof source !== \"undefined\" &&\n typeof target !== \"undefined\"\n ) {\n replaceElement(source, target)\n }\n }\n })\n\n /* Re-evaluate scripts */\n document$\n .pipe(\n skip(1),\n map(() => getComponentElement(\"container\")),\n switchMap(el => of(...getElements(\"script\", el))),\n concatMap(el => {\n const script = h(\"script\")\n if (el.src) {\n for (const name of el.getAttributeNames())\n script.setAttribute(name, el.getAttribute(name)!)\n replaceElement(el, script)\n\n /* Complete when script is loaded */\n return new Observable(observer => {\n script.onload = () => observer.complete()\n })\n\n /* Complete immediately */\n } else {\n script.textContent = el.textContent\n replaceElement(el, script)\n return EMPTY\n }\n })\n )\n .subscribe()\n\n /* Emit history state change */\n merge(push$, pop$)\n .pipe(\n sample(document$),\n )\n .subscribe(({ url, offset }) => {\n if (url.hash && !offset) {\n setLocationHash(url.hash)\n } else {\n setViewportOffset(offset || { y: 0 })\n }\n })\n\n /* Debounce update of viewport offset */\n viewport$\n .pipe(\n skipUntil(push$),\n debounceTime(250),\n distinctUntilKeyChanged(\"offset\")\n )\n .subscribe(({ offset }) => {\n history.replaceState(offset, \"\")\n })\n\n /* Set viewport offset from history */\n merge(push$, pop$)\n .pipe(\n bufferCount(2, 1),\n filter(([a, b]) => a.url.pathname === b.url.pathname),\n map(([, state]) => state)\n )\n .subscribe(({ offset }) => {\n setViewportOffset(offset || { y: 0 })\n })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n parent?: SearchIndexDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n const parents = new Set()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location and title */\n const location = doc.location\n const title = doc.title\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path)!\n\n /* Ignore first section, override article */\n if (!parents.has(parent)) {\n parent.title = doc.title\n parent.text = text\n\n /* Remember that we processed the article */\n parents.add(parent)\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text\n })\n }\n }\n return documents\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexConfig } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n * @param escape - Whether to escape HTML\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig, escape: boolean\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (query: string) => {\n query = query\n .replace(/[\\s*+\\-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n query\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight string value */\n return value => (\n escape\n ? escapeHTML(value)\n : value\n )\n .replace(match, highlight)\n .replace(/<\\/mark>(\\s+)]*>/img, \"$1\")\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search transformation function\n *\n * @param value - Query value\n *\n * @returns Transformed query value\n */\nexport type SearchTransformFn = (value: string) => string\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * 1. Search for terms in quotation marks and prepend a `+` modifier to denote\n * that the resulting document must contain all terms, converting the query\n * to an `AND` query (as opposed to the default `OR` behavior). While users\n * may expect terms enclosed in quotation marks to map to span queries, i.e.\n * for which order is important, Lunr.js doesn't support them, so the best\n * we can do is to convert the terms to an `AND` query.\n *\n * 2. Replace control characters which are not located at the beginning of the\n * query or preceded by white space, or are not followed by a non-whitespace\n * character or are at the end of the query string. Furthermore, filter\n * unmatched quotation marks.\n *\n * 3. Trim excess whitespace from left and right.\n *\n * @param query - Query value\n *\n * @returns Transformed query value\n */\nexport function defaultTransform(query: string): string {\n return query\n .split(/\"([^\"]+)\"/g) /* => 1 */\n .map((terms, index) => index & 1\n ? terms.replace(/^\\b|^(?![^\\x00-\\x7F]|$)|\\s+/g, \" +\")\n : terms\n )\n .join(\"\")\n .replace(/\"|(?:^|\\s+)[*+\\-:^~]+(?=\\s+|$)/g, \"\") /* => 2 */\n .trim() /* => 3 */\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n READY, /* Search index ready */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndex /* Message data */\n}\n\n/**\n * Message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n type: SearchMessageType.READY /* Message type */\n}\n\n/**\n * Message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * Message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchReadyMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n message: SearchMessage\n): message is SearchReadyMessage {\n return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ObservableInput, Subject, from } from \"rxjs\"\nimport { map, share } from \"rxjs/operators\"\n\nimport { configuration, feature, translation } from \"~/_\"\nimport { WorkerHandler, watchWorker } from \"~/browser\"\n\nimport { SearchIndex } from \"../../_\"\nimport {\n SearchOptions,\n SearchPipeline\n} from \"../../options\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchSetupMessage,\n isSearchResultMessage\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search worker\n */\nexport type SearchWorker = WorkerHandler\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search index\n *\n * @param data - Search index\n *\n * @returns Search index\n */\nfunction setupSearchIndex(\n { config, docs, index }: SearchIndex\n): SearchIndex {\n\n /* Override default language with value from translation */\n if (config.lang.length === 1 && config.lang[0] === \"en\")\n config.lang = [\n translation(\"search.config.lang\")\n ]\n\n /* Override default separator with value from translation */\n if (config.separator === \"[\\\\s\\\\-]+\")\n config.separator = translation(\"search.config.separator\")\n\n /* Set pipeline from translation */\n const pipeline = translation(\"search.config.pipeline\")\n .split(/\\s*,\\s*/)\n .filter(Boolean) as SearchPipeline\n\n /* Determine search options */\n const options: SearchOptions = {\n pipeline,\n suggestions: feature(\"search.suggest\")\n }\n\n /* Return search index after defaulting */\n return { config, docs, index, options }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search worker\n *\n * This function creates a web worker to set up and query the search index,\n * which is done using Lunr.js. The index must be passed as an observable to\n * enable hacks like _localsearch_ via search index embedding as JSON.\n *\n * @param url - Worker URL\n * @param index - Search index observable input\n *\n * @returns Search worker\n */\nexport function setupSearchWorker(\n url: string, index: ObservableInput\n): SearchWorker {\n const config = configuration()\n const worker = new Worker(url)\n\n /* Create communication channels and resolve relative links */\n const tx$ = new Subject()\n const rx$ = watchWorker(worker, { tx$ })\n .pipe(\n map(message => {\n if (isSearchResultMessage(message)) {\n for (const result of message.data.items)\n for (const document of result)\n document.location = `${new URL(document.location, config.base)}`\n }\n return message\n }),\n share()\n )\n\n /* Set up search index */\n from(index)\n .pipe(\n map(data => ({\n type: SearchMessageType.SETUP,\n data: setupSearchIndex(data)\n } as SearchSetupMessage))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Return search worker */\n return { tx$, rx$ }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { configuration } from \"~/_\"\nimport { getElementOrThrow, requestJSON } from \"~/browser\"\nimport { Version, renderVersionSelector } from \"~/templates\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up version selector\n */\nexport function setupVersionSelector(): void {\n const config = configuration()\n requestJSON(new URL(\"../versions.json\", config.base))\n .subscribe(versions => {\n const topic = getElementOrThrow(\".md-header__topic\")\n topic.appendChild(renderVersionSelector(versions))\n })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n combineLatest,\n fromEvent,\n merge\n} from \"rxjs\"\nimport {\n delay,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n finalize,\n map,\n shareReplay,\n startWith,\n take,\n takeLast,\n takeUntil,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetSearchQueryPlaceholder,\n setSearchQueryPlaceholder\n} from \"~/actions\"\nimport {\n getLocation,\n setElementFocus,\n setToggle,\n watchElementFocus\n} from \"~/browser\"\nimport {\n SearchMessageType,\n SearchQueryMessage,\n SearchWorker,\n defaultTransform,\n isSearchReadyMessage\n} from \"~/integrations\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n value: string /* Query value */\n focus: boolean /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { rx$ }: SearchWorker\n): Observable {\n const fn = __search?.transform || defaultTransform\n\n /* Immediately show search dialog */\n const { searchParams } = getLocation()\n if (searchParams.has(\"q\"))\n setToggle(\"search\", true)\n\n /* Intercept query parameter (deep link) */\n const param$ = rx$\n .pipe(\n filter(isSearchReadyMessage),\n take(1),\n map(() => searchParams.get(\"q\") || \"\")\n )\n\n /* Set query from parameter */\n param$.subscribe(value => { // TODO: not ideal - find a better way\n if (value)\n el.value = value\n })\n\n /* Intercept focus and input events */\n const focus$ = watchElementFocus(el)\n const value$ = merge(\n fromEvent(el, \"keyup\"),\n fromEvent(el, \"focus\").pipe(delay(1)),\n param$\n )\n .pipe(\n map(() => fn(el.value)),\n startWith(\"\"),\n distinctUntilChanged(),\n )\n\n /* Combine into single observable */\n return combineLatest([value$, focus$])\n .pipe(\n map(([value, focus]) => ({ value, focus })),\n shareReplay(1)\n )\n}\n\n/**\n * Mount search query\n *\n * @param el - Search query element\n * @param worker - Search worker\n *\n * @returns Search query component observable\n */\nexport function mountSearchQuery(\n el: HTMLInputElement, { tx$, rx$ }: SearchWorker\n): Observable> {\n const internal$ = new Subject()\n\n /* Handle value changes */\n internal$\n .pipe(\n distinctUntilKeyChanged(\"value\"),\n map(({ value }): SearchQueryMessage => ({\n type: SearchMessageType.QUERY,\n data: value\n }))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Handle focus changes */\n internal$\n .pipe(\n distinctUntilKeyChanged(\"focus\")\n )\n .subscribe(({ focus }) => {\n if (focus) {\n setToggle(\"search\", focus)\n setSearchQueryPlaceholder(el, \"\")\n } else {\n resetSearchQueryPlaceholder(el)\n }\n })\n\n /* Handle reset */\n fromEvent(el.form!, \"reset\")\n .pipe(\n takeUntil(internal$.pipe(takeLast(1)))\n )\n .subscribe(() => setElementFocus(el))\n\n /* Create and return component */\n return watchSearchQuery(el, { tx$, rx$ })\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n merge,\n of\n} from \"rxjs\"\nimport {\n bufferCount,\n filter,\n finalize,\n map,\n observeOn,\n skipUntil,\n switchMap,\n take,\n tap,\n withLatestFrom,\n zipWith\n} from \"rxjs/operators\"\n\nimport {\n addToSearchResultList,\n resetSearchResultList,\n resetSearchResultMeta,\n setSearchResultMeta\n} from \"~/actions\"\nimport {\n getElementOrThrow,\n watchElementThreshold\n} from \"~/browser\"\nimport {\n SearchResult,\n SearchWorker,\n isSearchReadyMessage,\n isSearchResultMessage\n} from \"~/integrations\"\nimport { renderSearchResultItem } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result list\n *\n * This function performs a lazy rendering of the search results, depending on\n * the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchResult(\n el: HTMLElement, { rx$ }: SearchWorker, { query$ }: MountOptions\n): Observable> {\n const internal$ = new Subject()\n const boundary$ = watchElementThreshold(el.parentElement!)\n .pipe(\n filter(Boolean)\n )\n\n /* Retrieve nested components */\n const meta = getElementOrThrow(\":scope > :first-child\", el)\n const list = getElementOrThrow(\":scope > :last-child\", el)\n\n /* Wait until search is ready */\n const ready$ = rx$\n .pipe(\n filter(isSearchReadyMessage),\n take(1)\n )\n\n /* Update search result metadata */\n internal$\n .pipe(\n observeOn(animationFrameScheduler),\n withLatestFrom(query$),\n skipUntil(ready$)\n )\n .subscribe(([{ items }, { value }]) => {\n if (value)\n setSearchResultMeta(meta, items.length)\n else\n resetSearchResultMeta(meta)\n })\n\n /* Update search result list */\n internal$\n .pipe(\n observeOn(animationFrameScheduler),\n tap(() => resetSearchResultList(list)),\n switchMap(({ items }) => merge(\n of(...items.slice(0, 10)),\n of(...items.slice(10))\n .pipe(\n bufferCount(4),\n zipWith(boundary$),\n switchMap(([chunk]) => of(...chunk))\n )\n ))\n )\n .subscribe(result => {\n addToSearchResultList(list, renderSearchResultItem(result))\n })\n\n /* Filter search result message */\n const result$ = rx$\n .pipe(\n filter(isSearchResultMessage),\n map(({ data }) => data)\n )\n\n /* Create and return component */\n return result$\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n fromEvent\n} from \"rxjs\"\nimport {\n finalize,\n map,\n tap\n} from \"rxjs/operators\"\n\nimport { getLocation } from \"~/browser\"\n\nimport { Component } from \"../../_\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search sharing\n */\nexport interface SearchShare {\n url: URL /* Deep link for sharing */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n query$: Observable /* Search query observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search sharing\n *\n * @param _el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing observable\n */\nexport function watchSearchShare(\n _el: HTMLElement, { query$ }: WatchOptions\n): Observable {\n return query$\n .pipe(\n map(({ value }) => {\n const url = getLocation()\n url.hash = \"\"\n url.searchParams.delete(\"h\")\n url.searchParams.set(\"q\", value)\n return { url }\n })\n )\n}\n\n/**\n * Mount search sharing\n *\n * @param el - Search sharing element\n * @param options - Options\n *\n * @returns Search sharing component observable\n */\nexport function mountSearchShare(\n el: HTMLAnchorElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$.subscribe(({ url }) => {\n el.setAttribute(\"data-clipboard-text\", el.href)\n el.href = `${url}`\n })\n\n /* Prevent following of link */\n fromEvent(el, \"click\")\n .subscribe(ev => ev.preventDefault())\n\n /* Create and return component */\n return watchSearchShare(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n asyncScheduler,\n fromEvent,\n merge\n} from \"rxjs\"\nimport {\n combineLatestWith,\n distinctUntilChanged,\n filter,\n finalize,\n map,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { Keyboard } from \"~/browser\"\nimport {\n SearchResult,\n SearchWorker,\n isSearchResultMessage\n} from \"~/integrations\"\n\nimport { Component, getComponentElement } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search suggestions\n */\nexport interface SearchSuggest {}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n keyboard$: Observable /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search suggestions\n *\n * This function will perform a lazy rendering of the search results, depending\n * on the vertical offset of the search result container.\n *\n * @param el - Search result list element\n * @param worker - Search worker\n * @param options - Options\n *\n * @returns Search result list component observable\n */\nexport function mountSearchSuggest(\n el: HTMLElement, { rx$ }: SearchWorker, { keyboard$ }: MountOptions\n): Observable> {\n const internal$ = new Subject()\n\n /* Retrieve query component and track all changes */\n const query = getComponentElement(\"search-query\")\n const query$ = merge(\n fromEvent(query, \"keydown\"),\n fromEvent(query, \"focus\")\n )\n .pipe(\n observeOn(asyncScheduler),\n map(() => query.value),\n distinctUntilChanged(),\n )\n\n /* Update search suggestions */\n internal$\n .pipe(\n combineLatestWith(query$),\n map(([{ suggestions }, value]) => {\n const words = value.split(/([\\s-]+)/)\n if (suggestions?.length && words[words.length - 1]) {\n const last = suggestions[suggestions.length - 1]\n if (last.startsWith(words[words.length - 1]))\n words[words.length - 1] = last\n } else {\n words.length = 0\n }\n return words\n })\n )\n .subscribe(words => el.innerHTML = words\n .join(\"\")\n .replace(/\\s/g, \" \")\n )\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Right arrow: accept current suggestion */\n case \"ArrowRight\":\n if (\n el.innerText.length &&\n query.selectionStart === query.value.length\n )\n query.value = el.innerText\n break\n }\n })\n\n /* Filter search result message */\n const result$ = rx$\n .pipe(\n filter(isSearchResultMessage),\n map(({ data }) => data)\n )\n\n /* Create and return component */\n return result$\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(() => ({ ref: el }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, ObservableInput, merge } from \"rxjs\"\nimport { filter, mergeWith, sample, take } from \"rxjs/operators\"\n\nimport { configuration } from \"~/_\"\nimport {\n Keyboard,\n getActiveElement,\n getElements,\n setElementFocus,\n setElementSelection,\n setToggle\n} from \"~/browser\"\nimport {\n SearchIndex,\n SearchResult,\n isSearchQueryMessage,\n isSearchReadyMessage,\n setupSearchWorker\n} from \"~/integrations\"\n\nimport {\n Component,\n getComponentElement,\n getComponentElements\n} from \"../../_\"\nimport { SearchQuery, mountSearchQuery } from \"../query\"\nimport { mountSearchResult } from \"../result\"\nimport { SearchShare, mountSearchShare } from \"../share\"\nimport { SearchSuggest, mountSearchSuggest } from \"../suggest\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport type Search =\n | SearchQuery\n | SearchResult\n | SearchShare\n | SearchSuggest\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n index$: ObservableInput /* Search index observable */\n keyboard$: Observable /* Keyboard observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search\n *\n * This function sets up the search functionality, including the underlying\n * web worker and all keyboard bindings.\n *\n * @param el - Search element\n * @param options - Options\n *\n * @returns Search component observable\n */\nexport function mountSearch(\n el: HTMLElement, { index$, keyboard$ }: MountOptions\n): Observable> {\n const config = configuration()\n try {\n const url = __search?.worker || config.search\n const worker = setupSearchWorker(url, index$)\n\n /* Retrieve query and result components */\n const query = getComponentElement(\"search-query\", el)\n const result = getComponentElement(\"search-result\", el)\n\n /* Re-emit query when search is ready */\n const { tx$, rx$ } = worker\n tx$\n .pipe(\n filter(isSearchQueryMessage),\n sample(rx$.pipe(filter(isSearchReadyMessage))),\n take(1)\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\")\n )\n .subscribe(key => {\n const active = getActiveElement()\n switch (key.type) {\n\n /* Enter: go to first (best) result */\n case \"Enter\":\n if (active === query) {\n const anchors = new Map()\n for (const anchor of getElements(\n \":first-child [href]\", result\n )) {\n const article = anchor.firstElementChild!\n anchors.set(anchor, parseFloat(\n article.getAttribute(\"data-md-score\")!\n ))\n }\n\n /* Go to result with highest score, if any */\n if (anchors.size) {\n const [[best]] = [...anchors].sort(([, a], [, b]) => b - a)\n best.click()\n }\n\n /* Otherwise omit form submission */\n key.claim()\n }\n break\n\n /* Escape or Tab: close search */\n case \"Escape\":\n case \"Tab\":\n setToggle(\"search\", false)\n setElementFocus(query, false)\n break\n\n /* Vertical arrows: select previous or next search result */\n case \"ArrowUp\":\n case \"ArrowDown\":\n if (typeof active === \"undefined\") {\n setElementFocus(query)\n } else {\n const els = [query, ...getElements(\n \":not(details) > [href], summary, details[open] [href]\",\n result\n )]\n const i = Math.max(0, (\n Math.max(0, els.indexOf(active)) + els.length + (\n key.type === \"ArrowUp\" ? -1 : +1\n )\n ) % els.length)\n setElementFocus(els[i])\n }\n\n /* Prevent scrolling of page */\n key.claim()\n break\n\n /* All other keys: hand to search query */\n default:\n if (query !== getActiveElement())\n setElementFocus(query)\n }\n })\n\n /* Set up global keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\"),\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Open search and select query */\n case \"f\":\n case \"s\":\n case \"/\":\n setElementFocus(query)\n setElementSelection(query)\n key.claim()\n break\n }\n })\n\n /* Create and return component */\n const query$ = mountSearchQuery(query, worker)\n const result$ = mountSearchResult(result, worker, { query$ })\n return merge(query$, result$)\n .pipe(\n mergeWith(\n\n /* Search sharing */\n ...getComponentElements(\"search-share\", el)\n .map(child => mountSearchShare(child, { query$ })),\n\n /* Search suggestions */\n ...getComponentElements(\"search-suggest\", el)\n .map(child => mountSearchSuggest(child, worker, { keyboard$ }))\n )\n )\n\n /* Gracefully handle broken search */\n } catch (err) {\n el.hidden = true\n return NEVER\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n ObservableInput,\n combineLatest\n} from \"rxjs\"\nimport { filter, map, startWith } from \"rxjs/operators\"\n\nimport { getLocation } from \"~/browser\"\nimport {\n SearchIndex,\n setupSearchHighlighter\n} from \"~/integrations\"\nimport { h } from \"~/utilities\"\n\nimport { Component } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlighting\n */\nexport interface SearchHighlight {\n nodes: Map /* Map of replacements */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n index$: ObservableInput /* Search index observable */\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search highlighting\n *\n * @param el - Content element\n * @param options - Options\n *\n * @returns Search highlighting component observable\n */\nexport function mountSearchHiglight(\n el: HTMLElement, { index$, location$ }: MountOptions\n): Observable> {\n return combineLatest([\n index$,\n location$\n .pipe(\n startWith(getLocation()),\n filter(url => url.searchParams.has(\"h\"))\n )\n ])\n .pipe(\n map(([index, url]) => setupSearchHighlighter(index.config, true)(\n url.searchParams.get(\"h\")!\n )),\n map(fn => {\n const nodes = new Map()\n\n /* Traverse text nodes and collect matches */\n const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)\n for (let node = it.nextNode(); node; node = it.nextNode()) {\n if (node.parentElement?.offsetHeight) {\n const original = node.textContent!\n const replaced = fn(original)\n if (replaced.length > original.length)\n nodes.set(node as ChildNode, replaced)\n }\n }\n\n /* Replace original nodes with matches */\n for (const [node, text] of nodes) {\n const { childNodes } = h(\"span\", null, text)\n node.replaceWith(...Array.from(childNodes))\n }\n\n /* Return component */\n return { ref: el, nodes }\n })\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n combineLatest\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n resetSidebarHeight,\n resetSidebarOffset,\n setSidebarHeight,\n setSidebarOffset\n} from \"~/actions\"\nimport { Viewport } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n height: number /* Sidebar height */\n locked: boolean /* User scrolled past header */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n main$: Observable
    /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar observable\n */\nexport function watchSidebar(\n el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable {\n const adjust =\n el.parentElement!.offsetTop -\n el.parentElement!.parentElement!.offsetTop\n\n /* Compute the sidebar's available height and if it should be locked */\n return combineLatest([main$, viewport$])\n .pipe(\n map(([{ offset, height }, { offset: { y } }]) => {\n height = height\n + Math.min(adjust, Math.max(0, y - offset))\n - adjust\n return {\n height,\n locked: y >= offset + adjust\n }\n }),\n distinctUntilChanged((a, b) => (\n a.height === b.height &&\n a.locked === b.locked\n ))\n )\n}\n\n/**\n * Mount sidebar\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @returns Sidebar component observable\n */\nexport function mountSidebar(\n el: HTMLElement, { header$, ...options }: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n observeOn(animationFrameScheduler),\n withLatestFrom(header$)\n )\n .subscribe({\n\n /* Update height and offset */\n next([{ height }, { height: offset }]) {\n setSidebarHeight(el, height)\n setSidebarOffset(el, offset)\n },\n\n /* Reset on complete */\n complete() {\n resetSidebarOffset(el)\n resetSidebarHeight(el)\n }\n })\n\n /* Create and return component */\n return watchSidebar(el, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport { Observable, zip } from \"rxjs\"\nimport { defaultIfEmpty, map } from \"rxjs/operators\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * GitHub release (partial)\n */\ninterface Release {\n tag_name: string /* Tag name */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub repository facts\n *\n * @param user - GitHub user\n * @param repo - GitHub repository\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n user: string, repo?: string\n): Observable {\n if (typeof repo !== \"undefined\") {\n const url = `https://api.github.com/repos/${user}/${repo}`\n return zip(\n\n /* Fetch version */\n requestJSON(`${url}/releases/latest`)\n .pipe(\n map(release => ({\n version: release.tag_name\n })),\n defaultIfEmpty({})\n ),\n\n /* Fetch stars and forks */\n requestJSON(url)\n .pipe(\n map(info => ({\n stars: info.stargazers_count,\n forks: info.forks_count\n })),\n defaultIfEmpty({})\n )\n )\n .pipe(\n map(([release, info]) => ({ ...release, ...info }))\n )\n\n /* User or organization */\n } else {\n const url = `https://api.github.com/users/${user}`\n return requestJSON(url)\n .pipe(\n map(info => ({\n repositories: info.public_repos\n })),\n defaultIfEmpty({})\n )\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport { Observable } from \"rxjs\"\nimport { defaultIfEmpty, map } from \"rxjs/operators\"\n\nimport { requestJSON } from \"~/browser\"\n\nimport { SourceFacts } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab repository facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n base: string, project: string\n): Observable {\n const url = `https://${base}/api/v4/projects/${encodeURIComponent(project)}`\n return requestJSON(url)\n .pipe(\n map(({ star_count, forks_count }) => ({\n stars: star_count,\n forks: forks_count\n })),\n defaultIfEmpty({})\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable } from \"rxjs\"\n\nimport { fetchSourceFactsFromGitHub } from \"../github\"\nimport { fetchSourceFactsFromGitLab } from \"../gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository facts for repositories\n */\nexport interface RepositoryFacts {\n stars?: number /* Number of stars */\n forks?: number /* Number of forks */\n version?: string /* Latest version */\n}\n\n/**\n * Repository facts for organizations\n */\nexport interface OrganizationFacts {\n repositories?: number /* Number of repositories */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Repository facts\n */\nexport type SourceFacts =\n | RepositoryFacts\n | OrganizationFacts\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch repository facts\n *\n * @param url - Repository URL\n *\n * @returns Repository facts observable\n */\nexport function fetchSourceFacts(\n url: string\n): Observable {\n const [type] = url.match(/(git(?:hub|lab))/i) || []\n switch (type.toLowerCase()) {\n\n /* GitHub repository */\n case \"github\":\n const [, user, repo] = url.match(/^.+github\\.com\\/([^/]+)\\/?([^/]+)?/i)!\n return fetchSourceFactsFromGitHub(user, repo)\n\n /* GitLab repository */\n case \"gitlab\":\n const [, base, slug] = url.match(/^.+?([^/]*gitlab[^/]+)\\/(.+?)\\/?$/i)!\n return fetchSourceFactsFromGitLab(base, slug)\n\n /* Everything else */\n default:\n return NEVER\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, Subject, defer, of } from \"rxjs\"\nimport {\n catchError,\n filter,\n finalize,\n map,\n shareReplay,\n tap\n} from \"rxjs/operators\"\n\nimport { setSourceFacts, setSourceState } from \"~/actions\"\nimport { renderSourceFacts } from \"~/templates\"\n\nimport { Component } from \"../../_\"\nimport { SourceFacts, fetchSourceFacts } from \"../facts\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information\n */\nexport interface Source {\n facts: SourceFacts /* Repository facts */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Repository information observable\n */\nlet fetch$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch repository information\n *\n * This function tries to read the repository facts from session storage, and\n * if unsuccessful, fetches them from the underlying provider.\n *\n * @param el - Repository information element\n *\n * @returns Repository information observable\n */\nexport function watchSource(\n el: HTMLAnchorElement\n): Observable {\n return fetch$ ||= defer(() => {\n const data = sessionStorage.getItem(__prefix(\"__source\"))\n if (data) {\n return of(JSON.parse(data))\n } else {\n const value$ = fetchSourceFacts(el.href)\n value$.subscribe(value => {\n try {\n sessionStorage.setItem(__prefix(\"__source\"), JSON.stringify(value))\n } catch (err) {\n /* Uncritical, just swallow */\n }\n })\n\n /* Return value */\n return value$\n }\n })\n .pipe(\n catchError(() => NEVER),\n filter(facts => Object.keys(facts).length > 0),\n map(facts => ({ facts })),\n shareReplay(1)\n )\n}\n\n/**\n * Mount repository information\n *\n * @param el - Repository information element\n *\n * @returns Repository information component observable\n */\nexport function mountSource(\n el: HTMLAnchorElement\n): Observable> {\n const internal$ = new Subject()\n internal$.subscribe(({ facts }) => {\n setSourceFacts(el, renderSourceFacts(facts))\n setSourceState(el, \"done\")\n })\n\n /* Create and return component */\n return watchSource(el)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n of\n} from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n finalize,\n map,\n observeOn,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { feature } from \"~/_\"\nimport { resetTabsState, setTabsState } from \"~/actions\"\nimport {\n Viewport,\n watchElementSize,\n watchViewportAt\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation tabs\n */\nexport interface Tabs {\n hidden: boolean /* User scrolled past tabs */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation tabs\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs observable\n */\nexport function watchTabs(\n el: HTMLElement, { viewport$, header$ }: WatchOptions\n): Observable {\n return watchElementSize(document.body)\n .pipe(\n switchMap(() => watchViewportAt(el, { header$, viewport$ })),\n map(({ offset: { y } }) => {\n return {\n hidden: y >= 10\n }\n }),\n distinctUntilKeyChanged(\"hidden\")\n )\n}\n\n/**\n * Mount navigation tabs\n *\n * This function hides the navigation tabs when scrolling past the threshold\n * and makes them reappear in a nice CSS animation when scrolling back up.\n *\n * @param el - Navigation tabs element\n * @param options - Options\n *\n * @returns Navigation tabs component observable\n */\nexport function mountTabs(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n observeOn(animationFrameScheduler)\n )\n .subscribe({\n\n /* Update state */\n next({ hidden }) {\n if (hidden)\n setTabsState(el, \"hidden\")\n else\n resetTabsState(el)\n },\n\n /* Reset on complete */\n complete() {\n resetTabsState(el)\n }\n })\n\n /* Create and return component */\n return (\n feature(\"navigation.tabs.sticky\")\n ? of({ hidden: false })\n : watchTabs(el, options)\n )\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n combineLatest\n} from \"rxjs\"\nimport {\n bufferCount,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n finalize,\n map,\n observeOn,\n scan,\n startWith,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetAnchorActive,\n resetAnchorState,\n setAnchorActive,\n setAnchorState\n} from \"~/actions\"\nimport {\n Viewport,\n getElement,\n getElements,\n watchElementSize\n} from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport interface TableOfContents {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * This is effectively a scroll spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the table of contents\n * needs to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param anchors - Anchor elements\n * @param options - Options\n *\n * @returns Table of contents observable\n */\nexport function watchTableOfContents(\n anchors: HTMLAnchorElement[], { viewport$, header$ }: WatchOptions\n): Observable {\n const table = new Map()\n for (const anchor of anchors) {\n const id = decodeURIComponent(anchor.hash.substring(1))\n const target = getElement(`[id=\"${id}\"]`)\n if (typeof target !== \"undefined\")\n table.set(anchor, target)\n }\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(header => 24 + header.height)\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = watchElementSize(document.body)\n .pipe(\n distinctUntilKeyChanged(\"height\"),\n\n /* Build index to map anchor paths to vertical offsets */\n map(() => {\n let path: HTMLAnchorElement[] = []\n return [...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n\n /* If the current anchor is hidden, continue with its parent */\n let offset = target.offsetTop\n while (!offset && target.parentElement) {\n target = target.parentElement\n offset = target.offsetTop\n }\n\n /* Map reversed anchor path to vertical offset */\n return index.set(\n [...path = [...path, anchor]].reverse(),\n offset\n )\n }, new Map())\n }),\n\n /* Sort index by vertical offset (see https://bit.ly/30z6QSO) */\n map(index => new Map([...index].sort(([, a], [, b]) => a - b))),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(index => combineLatest([adjust$, viewport$])\n .pipe(\n scan(([prev, next], [adjust, { offset: { y } }]) => {\n\n /* Look forward */\n while (next.length) {\n const [, offset] = next[0]\n if (offset - adjust < y) {\n prev = [...prev, next.shift()!]\n } else {\n break\n }\n }\n\n /* Look backward */\n while (prev.length) {\n const [, offset] = prev[prev.length - 1]\n if (offset - adjust >= y) {\n next = [prev.pop()!, ...next]\n } else {\n break\n }\n }\n\n /* Return partition */\n return [prev, next]\n }, [[], [...index]]),\n distinctUntilChanged((a, b) => (\n a[0] === b[0] &&\n a[1] === b[1]\n ))\n )\n )\n )\n\n /* Compute and return anchor list migrations */\n return partition$\n .pipe(\n map(([prev, next]) => ({\n prev: prev.map(([path]) => path),\n next: next.map(([path]) => path)\n })),\n\n /* Extract anchor list migrations */\n startWith({ prev: [], next: [] }),\n bufferCount(2, 1),\n map(([a, b]) => {\n\n /* Moving down */\n if (a.prev.length < b.prev.length) {\n return {\n prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n next: []\n }\n\n /* Moving up */\n } else {\n return {\n prev: b.prev.slice(-1),\n next: b.next.slice(0, b.next.length - a.next.length)\n }\n }\n })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents\n *\n * @param el - Anchor list element\n * @param options - Options\n *\n * @returns Table of contents component observable\n */\nexport function mountTableOfContents(\n el: HTMLElement, options: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n observeOn(animationFrameScheduler),\n )\n .subscribe(({ prev, next }) => {\n\n /* Look forward */\n for (const [anchor] of next) {\n resetAnchorActive(anchor)\n resetAnchorState(anchor)\n }\n\n /* Look backward */\n for (const [index, [anchor]] of prev.entries()) {\n setAnchorActive(anchor, index === prev.length - 1)\n setAnchorState(anchor, \"blur\")\n }\n })\n\n /* Create and return component */\n const anchors = getElements(\"[href^=\\\\#]\", el)\n return watchTableOfContents(anchors, options)\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n Subject,\n animationFrameScheduler,\n combineLatest\n} from \"rxjs\"\nimport {\n bufferCount,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n finalize,\n map,\n observeOn,\n tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n resetBackToTopOffset,\n resetBackToTopState,\n resetFocusable,\n setBackToTopOffset,\n setBackToTopState,\n setFocusable\n} from \"~/actions\"\nimport { Viewport, setElementFocus } from \"~/browser\"\n\nimport { Component } from \"../_\"\nimport { Header } from \"../header\"\nimport { Main } from \"../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Back-to-top button\n */\nexport interface BackToTop {\n hidden: boolean /* User scrolled up */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch back-to-top\n *\n * @param _el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top observable\n */\nexport function watchBackToTop(\n _el: HTMLElement, { viewport$, main$ }: WatchOptions\n): Observable {\n\n /* Compute direction */\n const direction$ = viewport$\n .pipe(\n map(({ offset: { y } }) => y),\n bufferCount(2, 1),\n map(([a, b]) => a > b && b),\n distinctUntilChanged()\n )\n\n /* Compute whether button should be hidden */\n const hidden$ = main$\n .pipe(\n distinctUntilKeyChanged(\"active\")\n )\n\n /* Compute threshold for hiding */\n return combineLatest([hidden$, direction$])\n .pipe(\n map(([{ active }, direction]) => ({\n hidden: !(active && direction)\n })),\n distinctUntilChanged((a, b) => (\n a.hidden === b.hidden\n ))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount back-to-top\n *\n * @param el - Back-to-top element\n * @param options - Options\n *\n * @returns Back-to-top component observable\n */\nexport function mountBackToTop(\n el: HTMLElement, { viewport$, header$, main$ }: MountOptions\n): Observable> {\n const internal$ = new Subject()\n internal$\n .pipe(\n observeOn(animationFrameScheduler),\n withLatestFrom(header$\n .pipe(\n distinctUntilKeyChanged(\"height\")\n )\n )\n )\n .subscribe({\n\n /* Update state */\n next([{ hidden }, { height }]) {\n setBackToTopOffset(el, height + 16)\n if (hidden) {\n setBackToTopState(el, \"hidden\")\n setElementFocus(el, false)\n setFocusable(el, -1)\n } else {\n resetBackToTopState(el)\n resetFocusable(el)\n }\n },\n\n /* Reset on complete */\n complete() {\n resetBackToTopOffset(el)\n resetBackToTopState(el)\n resetFocusable(el)\n }\n })\n\n /* Create and return component */\n return watchBackToTop(el, { viewport$, header$, main$ })\n .pipe(\n tap(state => internal$.next(state)),\n finalize(() => internal$.complete()),\n map(state => ({ ref: el, ...state }))\n )\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport {\n mapTo,\n mergeMap,\n switchMap,\n takeWhile,\n tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n tablet$: Observable /* Tablet breakpoint observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch indeterminate checkboxes\n *\n * This function replaces the indeterminate \"pseudo state\" with the actual\n * indeterminate state, which is used to keep navigation always expanded.\n *\n * @param options - Options\n */\nexport function patchIndeterminate(\n { document$, tablet$ }: PatchOptions\n): void {\n document$\n .pipe(\n switchMap(() => of(...getElements(\n \"[data-md-state=indeterminate]\"\n ))),\n tap(el => {\n el.indeterminate = true\n el.checked = false\n }),\n mergeMap(el => fromEvent(el, \"change\")\n .pipe(\n takeWhile(() => el.hasAttribute(\"data-md-state\")),\n mapTo(el)\n )\n ),\n withLatestFrom(tablet$)\n )\n .subscribe(([el, tablet]) => {\n el.removeAttribute(\"data-md-state\")\n if (tablet)\n el.checked = false\n })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, of } from \"rxjs\"\nimport {\n filter,\n mapTo,\n mergeMap,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { getElements } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @returns Test result\n */\nfunction isAppleDevice(): boolean {\n return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n { document$ }: PatchOptions\n): void {\n document$\n .pipe(\n switchMap(() => of(...getElements(\"[data-md-scrollfix]\"))),\n tap(el => el.removeAttribute(\"data-md-scrollfix\")),\n filter(isAppleDevice),\n mergeMap(el => fromEvent(el, \"touchstart\")\n .pipe(\n mapTo(el)\n )\n )\n )\n .subscribe(el => {\n const top = el.scrollTop\n\n /* We're at the top of the container */\n if (top === 0) {\n el.scrollTop = 1\n\n /* We're at the bottom of the container */\n } else if (top + el.offsetHeight === el.scrollHeight) {\n el.scrollTop = top - 1\n }\n })\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n animationFrameScheduler,\n combineLatest,\n of\n} from \"rxjs\"\nimport {\n delay,\n map,\n observeOn,\n switchMap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { resetScrollLock, setScrollLock } from \"~/actions\"\nimport { Viewport, watchToggle } from \"~/browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n viewport$: Observable /* Viewport observable */\n tablet$: Observable /* Tablet breakpoint observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch the document body to lock when search is open\n *\n * For mobile and tablet viewports, the search is rendered full screen, which\n * leads to scroll leaking when at the top or bottom of the search result. This\n * function locks the body when the search is in full screen mode, and restores\n * the scroll position when leaving.\n *\n * @param options - Options\n */\nexport function patchScrolllock(\n { viewport$, tablet$ }: PatchOptions\n): void {\n combineLatest([watchToggle(\"search\"), tablet$])\n .pipe(\n map(([active, tablet]) => active && !tablet),\n switchMap(active => of(active)\n .pipe(\n delay(active ? 400 : 100),\n observeOn(animationFrameScheduler)\n )\n ),\n withLatestFrom(viewport$)\n )\n .subscribe(([active, { offset: { y }}]) => {\n if (active)\n setScrollLock(document.body, y)\n else\n resetScrollLock(document.body)\n })\n}\n"], + "mappings": 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+ "names": [] +} diff --git a/v7.0.1/assets/javascripts/lunr/min/lunr.ar.min.js b/v7.0.1/assets/javascripts/lunr/min/lunr.ar.min.js new file mode 100644 index 0000000..248ddc5 --- /dev/null +++ b/v7.0.1/assets/javascripts/lunr/min/lunr.ar.min.js @@ -0,0 +1 @@ +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. 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nu når og også om op os over på selv sig sin sine sit skal skulle som sådan thi til ud under var vi vil ville vor være været".split(" ")),e.Pipeline.registerFunction(e.da.stopWordFilter,"stopWordFilter-da")}}); \ No newline at end of file diff --git a/v7.0.1/assets/javascripts/lunr/min/lunr.de.min.js b/v7.0.1/assets/javascripts/lunr/min/lunr.de.min.js new file mode 100644 index 0000000..f3b5c10 --- /dev/null +++ b/v7.0.1/assets/javascripts/lunr/min/lunr.de.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `German` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. 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andere anderem anderen anderer anderes anderm andern anderr anders auch auf aus bei bin bis bist da damit dann das dasselbe dazu daß dein deine deinem deinen deiner deines dem demselben den denn denselben der derer derselbe derselben des desselben dessen dich die dies diese dieselbe dieselben diesem diesen dieser dieses dir doch dort du durch ein eine einem einen einer eines einig einige einigem einigen einiger einiges einmal er es etwas euch euer eure eurem euren eurer eures für gegen gewesen hab habe haben hat hatte hatten hier hin hinter ich ihm ihn ihnen ihr ihre ihrem ihren ihrer ihres im in indem ins ist jede jedem jeden jeder jedes jene jenem jenen jener jenes jetzt kann kein keine keinem keinen keiner keines können könnte machen man manche manchem manchen mancher manches mein meine meinem meinen meiner meines mich mir mit muss musste nach nicht nichts noch nun nur ob oder ohne sehr sein seine seinem seinen seiner seines selbst sich sie sind so solche solchem solchen solcher solches soll sollte sondern sonst um und uns unse unsem unsen unser unses unter viel vom von vor war waren warst was weg weil weiter welche welchem welchen welcher welches wenn werde werden wie wieder will wir wird wirst wo wollen wollte während würde würden zu zum zur zwar zwischen über".split(" ")),e.Pipeline.registerFunction(e.de.stopWordFilter,"stopWordFilter-de")}}); \ No newline at end of file diff --git a/v7.0.1/assets/javascripts/lunr/min/lunr.du.min.js b/v7.0.1/assets/javascripts/lunr/min/lunr.du.min.js new file mode 100644 index 0000000..49a0f3f --- /dev/null +++ b/v7.0.1/assets/javascripts/lunr/min/lunr.du.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Dutch` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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index 0000000..29f5dfc --- /dev/null +++ b/v7.0.1/assets/javascripts/lunr/min/lunr.fi.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Finnish` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(i,e){"function"==typeof define&&define.amd?define(e):"object"==typeof exports?module.exports=e():e()(i.lunr)}(this,function(){return function(i){if(void 0===i)throw new Error("Lunr is not present. 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")),r.Pipeline.registerFunction(r.nl.stopWordFilter,"stopWordFilter-nl")}}); \ No newline at end of file diff --git a/v7.0.1/assets/javascripts/lunr/min/lunr.no.min.js b/v7.0.1/assets/javascripts/lunr/min/lunr.no.min.js new file mode 100644 index 0000000..92bc7e4 --- /dev/null +++ b/v7.0.1/assets/javascripts/lunr/min/lunr.no.min.js @@ -0,0 +1,18 @@ +/*! + * Lunr languages, `Norwegian` language + * https://github.com/MihaiValentin/lunr-languages + * + * Copyright 2014, Mihai Valentin + * http://www.mozilla.org/MPL/ + */ +/*! + * based on + * Snowball JavaScript Library v0.3 + * http://code.google.com/p/urim/ + * http://snowball.tartarus.org/ + * + * Copyright 2010, Oleg Mazko + * http://www.mozilla.org/MPL/ + */ + +!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. 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Register as an anonymous module. + define(factory) + } else if (typeof exports === 'object') { + /** + * Node. Does not work with strict CommonJS, but + * only CommonJS-like environments that support module.exports, + * like Node. + */ + module.exports = factory() + } else { + // Browser globals (root is window) + factory()(root.lunr); + } +}(this, function () { + /** + * Just return a value to define the module export. + * This example returns an object, but the module + * can return a function as the exported value. + */ + + return function(lunr) { + // TinySegmenter 0.1 -- Super compact Japanese tokenizer in Javascript + // (c) 2008 Taku Kudo + // TinySegmenter is freely distributable under the terms of a new BSD licence. + // For details, see http://chasen.org/~taku/software/TinySegmenter/LICENCE.txt + + function TinySegmenter() { + var patterns = { + "[一二三四五六七八九十百千万億兆]":"M", + "[一-龠々〆ヵヶ]":"H", + "[ぁ-ん]":"I", + "[ァ-ヴーｱ-ﾝﾞｰ]":"K", + "[a-zA-Zａ-ｚＡ-Ｚ]":"A", + "[0-9０-９]":"N" + } + this.chartype_ = []; + for (var i in patterns) { + var regexp = new RegExp(i); + this.chartype_.push([regexp, patterns[i]]); + } + + this.BIAS__ = -332 + this.BC1__ = {"HH":6,"II":2461,"KH":406,"OH":-1378}; + this.BC2__ = {"AA":-3267,"AI":2744,"AN":-878,"HH":-4070,"HM":-1711,"HN":4012,"HO":3761,"IA":1327,"IH":-1184,"II":-1332,"IK":1721,"IO":5492,"KI":3831,"KK":-8741,"MH":-3132,"MK":3334,"OO":-2920}; + this.BC3__ = {"HH":996,"HI":626,"HK":-721,"HN":-1307,"HO":-836,"IH":-301,"KK":2762,"MK":1079,"MM":4034,"OA":-1652,"OH":266}; + this.BP1__ = {"BB":295,"OB":304,"OO":-125,"UB":352}; + this.BP2__ = {"BO":60,"OO":-1762}; + this.BQ1__ = {"BHH":1150,"BHM":1521,"BII":-1158,"BIM":886,"BMH":1208,"BNH":449,"BOH":-91,"BOO":-2597,"OHI":451,"OIH":-296,"OKA":1851,"OKH":-1020,"OKK":904,"OOO":2965}; + this.BQ2__ = {"BHH":118,"BHI":-1159,"BHM":466,"BIH":-919,"BKK":-1720,"BKO":864,"OHH":-1139,"OHM":-181,"OIH":153,"UHI":-1146}; + this.BQ3__ = {"BHH":-792,"BHI":2664,"BII":-299,"BKI":419,"BMH":937,"BMM":8335,"BNN":998,"BOH":775,"OHH":2174,"OHM":439,"OII":280,"OKH":1798,"OKI":-793,"OKO":-2242,"OMH":-2402,"OOO":11699}; + this.BQ4__ = {"BHH":-3895,"BIH":3761,"BII":-4654,"BIK":1348,"BKK":-1806,"BMI":-3385,"BOO":-12396,"OAH":926,"OHH":266,"OHK":-2036,"ONN":-973}; 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+ }) + this.addWords(words, false) + } + if(finalize){ + this.finalizeDict(); + } + }, + + dictSeek: function (l, r, ch, strOffset, pos) { + var ans = null; + while (l <= r) { + var m = Math.floor((l + r) / 2), + dict_item = this.dict[m], + len = dict_item.length; + if (len <= strOffset) { + l = m + 1; + } else { + var ch_ = dict_item[strOffset]; + if (ch_ < ch) { + l = m + 1; + } else if (ch_ > ch) { + r = m - 1; + } else { + ans = m; + if (pos == LEFT) { + r = m - 1; + } else { + l = m + 1; + } + } + } + } + return ans; + }, + + isFinal: function (acceptor) { + return this.dict[acceptor.l].length == acceptor.strOffset; + }, + + createAcceptor: function () { + return { + l: 0, + r: this.dict.length - 1, + strOffset: 0, + isFinal: false, + dict: this, + transit: function (ch) { + return this.dict.transit(this, ch); + }, + isError: false, + tag: "DICT", + w: 1, + type: "DICT" + }; + }, + + transit: function (acceptor, ch) { + var l = this.dictSeek(acceptor.l, + acceptor.r, + ch, + acceptor.strOffset, + LEFT); + if (l !== null) { + var r = this.dictSeek(l, + acceptor.r, + ch, + acceptor.strOffset, + RIGHT); + acceptor.l = l; + acceptor.r = r; + acceptor.strOffset++; + acceptor.isFinal = this.isFinal(acceptor); + } else { + acceptor.isError = true; + } + return acceptor; + }, + + sortuniq: function(a){ + return a.sort().filter(function(item, pos, arr){ + return !pos || item != arr[pos - 1]; + }) + }, + + flatten: function(a){ + //[[1,2],[3]] -> [1,2,3] + return [].concat.apply([], a); + } +}; +module.exports = WordcutDict; + +}).call(this,"/dist/tmp") +},{"glob":16,"path":22}],3:[function(require,module,exports){ +var WordRule = { + createAcceptor: function(tag) { + if (tag["WORD_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + var lch = ch.toLowerCase(); + if (lch >= "a" && lch <= "z") { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "WORD_RULE", + type: "WORD_RULE", + w: 1}; + } +}; + +var NumberRule = { + createAcceptor: function(tag) { + if (tag["NUMBER_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (ch >= "0" && ch <= "9") { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "NUMBER_RULE", + type: "NUMBER_RULE", + w: 1}; + } +}; + +var SpaceRule = { + tag: "SPACE_RULE", + createAcceptor: function(tag) { + + if (tag["SPACE_RULE"]) + return null; + + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (ch == " " || ch == "\t" || ch == "\r" || ch == "\n" || + ch == "\u00A0" || ch=="\u2003"//nbsp and emsp + ) { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: SpaceRule.tag, + w: 1, + type: "SPACE_RULE"}; + } +} + +var SingleSymbolRule = { + tag: "SINSYM", + createAcceptor: function(tag) { + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (this.strOffset == 0 && ch.match(/^[\@\(\)\/\,\-\."`]$/)) { + this.isFinal = true; + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "SINSYM", + w: 1, + type: "SINSYM"}; + } +} + + +var LatinRules = [WordRule, SpaceRule, SingleSymbolRule, NumberRule]; + +module.exports = LatinRules; + +},{}],4:[function(require,module,exports){ +var _ = require("underscore") + , WordcutCore = require("./wordcut_core"); +var PathInfoBuilder = { + + /* + buildByPartAcceptors: function(path, acceptors, i) { + var + var genInfos = partAcceptors.reduce(function(genInfos, acceptor) { + + }, []); + + return genInfos; + } + */ + + buildByAcceptors: function(path, finalAcceptors, i) { + var self = this; + var infos = finalAcceptors.map(function(acceptor) { + var p = i - acceptor.strOffset + 1 + , _info = path[p]; + + var info = {p: p, + mw: _info.mw + (acceptor.mw === undefined ? 0 : acceptor.mw), + w: acceptor.w + _info.w, + unk: (acceptor.unk ? acceptor.unk : 0) + _info.unk, + type: acceptor.type}; + + if (acceptor.type == "PART") { + for(var j = p + 1; j <= i; j++) { + path[j].merge = p; + } + info.merge = p; + } + + return info; + }); + return infos.filter(function(info) { return info; }); + }, + + fallback: function(path, leftBoundary, text, i) { + var _info = path[leftBoundary]; + if (text[i].match(/[\u0E48-\u0E4E]/)) { + if (leftBoundary != 0) + leftBoundary = path[leftBoundary].p; + return {p: leftBoundary, + mw: 0, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; +/* } else if(leftBoundary > 0 && path[leftBoundary].type !== "UNK") { + leftBoundary = path[leftBoundary].p; + return {p: leftBoundary, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; */ + } else { + return {p: leftBoundary, + mw: _info.mw, + w: 1 + _info.w, + unk: 1 + _info.unk, + type: "UNK"}; + } + }, + + build: function(path, finalAcceptors, i, leftBoundary, text) { + var basicPathInfos = this.buildByAcceptors(path, finalAcceptors, i); + if (basicPathInfos.length > 0) { + return basicPathInfos; + } else { + return [this.fallback(path, leftBoundary, text, i)]; + } + } +}; + +module.exports = function() { + return _.clone(PathInfoBuilder); +} + +},{"./wordcut_core":8,"underscore":25}],5:[function(require,module,exports){ +var _ = require("underscore"); + + +var PathSelector = { + selectPath: function(paths) { + var path = paths.reduce(function(selectedPath, path) { + if (selectedPath == null) { + return path; + } else { + if (path.unk < selectedPath.unk) + return path; + if (path.unk == selectedPath.unk) { + if (path.mw < selectedPath.mw) + return path + if (path.mw == selectedPath.mw) { + if (path.w < selectedPath.w) + return path; + } + } + return selectedPath; + } + }, null); + return path; + }, + + createPath: function() { + return [{p:null, w:0, unk:0, type: "INIT", mw:0}]; + } +}; + +module.exports = function() { + return _.clone(PathSelector); +}; + +},{"underscore":25}],6:[function(require,module,exports){ +function isMatch(pat, offset, ch) { + if (pat.length <= offset) + return false; + var _ch = pat[offset]; + return _ch == ch || + (_ch.match(/[กข]/) && ch.match(/[ก-ฮ]/)) || + (_ch.match(/[มบ]/) && ch.match(/[ก-ฮ]/)) || + (_ch.match(/\u0E49/) && ch.match(/[\u0E48-\u0E4B]/)); +} + +var Rule0 = { + pat: "เหก็ม", + createAcceptor: function(tag) { + return {strOffset: 0, + isFinal: false, + transit: function(ch) { + if (isMatch(Rule0.pat, this.strOffset,ch)) { + this.isFinal = (this.strOffset + 1 == Rule0.pat.length); + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "THAI_RULE", + type: "THAI_RULE", + w: 1}; + } +}; + +var PartRule = { + createAcceptor: function(tag) { + return {strOffset: 0, + patterns: [ + "แก", "เก", "ก้", "กก์", "กา", "กี", "กิ", "กืก" + ], + isFinal: false, + transit: function(ch) { + var offset = this.strOffset; + this.patterns = this.patterns.filter(function(pat) { + return isMatch(pat, offset, ch); + }); + + if (this.patterns.length > 0) { + var len = 1 + offset; + this.isFinal = this.patterns.some(function(pat) { + return pat.length == len; + }); + this.strOffset++; + } else { + this.isError = true; + } + return this; + }, + isError: false, + tag: "PART", + type: "PART", + unk: 1, + w: 1}; + } +}; + +var ThaiRules = [Rule0, PartRule]; + +module.exports = ThaiRules; + +},{}],7:[function(require,module,exports){ +var sys = require("sys") + , WordcutDict = require("./dict") + , WordcutCore = require("./wordcut_core") + , PathInfoBuilder = require("./path_info_builder") + , PathSelector = require("./path_selector") + , Acceptors = require("./acceptors") + , latinRules = require("./latin_rules") + , thaiRules = require("./thai_rules") + , _ = require("underscore"); + + +var Wordcut = Object.create(WordcutCore); +Wordcut.defaultPathInfoBuilder = PathInfoBuilder; +Wordcut.defaultPathSelector = PathSelector; +Wordcut.defaultAcceptors = Acceptors; +Wordcut.defaultLatinRules = latinRules; +Wordcut.defaultThaiRules = thaiRules; +Wordcut.defaultDict = WordcutDict; + + +Wordcut.initNoDict = function(dict_path) { + var self = this; + self.pathInfoBuilder = new self.defaultPathInfoBuilder; + self.pathSelector = new self.defaultPathSelector; + self.acceptors = new self.defaultAcceptors; + self.defaultLatinRules.forEach(function(rule) { + self.acceptors.creators.push(rule); + }); + self.defaultThaiRules.forEach(function(rule) { + self.acceptors.creators.push(rule); + }); +}; + +Wordcut.init = function(dict_path, withDefault, additionalWords) { + withDefault = withDefault || false; + this.initNoDict(); + var dict = _.clone(this.defaultDict); + dict.init(dict_path, withDefault, additionalWords); + this.acceptors.creators.push(dict); +}; + +module.exports = Wordcut; + +},{"./acceptors":1,"./dict":2,"./latin_rules":3,"./path_info_builder":4,"./path_selector":5,"./thai_rules":6,"./wordcut_core":8,"sys":28,"underscore":25}],8:[function(require,module,exports){ +var WordcutCore = { + + buildPath: function(text) { + var self = this + , path = self.pathSelector.createPath() + , leftBoundary = 0; + self.acceptors.reset(); + for (var i = 0; i < text.length; i++) { + var ch = text[i]; + self.acceptors.transit(ch); + + var possiblePathInfos = self + .pathInfoBuilder + .build(path, + self.acceptors.getFinalAcceptors(), + i, + leftBoundary, + text); + var selectedPath = self.pathSelector.selectPath(possiblePathInfos) + + path.push(selectedPath); + if (selectedPath.type !== "UNK") { + leftBoundary = i; + } + } + return path; + }, + + pathToRanges: function(path) { + var e = path.length - 1 + , ranges = []; + + while (e > 0) { + var info = path[e] + , s = info.p; + + if (info.merge !== undefined && ranges.length > 0) { + var r = ranges[ranges.length - 1]; + r.s = info.merge; + s = r.s; + } else { + ranges.push({s:s, e:e}); + } + e = s; + } + return ranges.reverse(); + }, + + rangesToText: function(text, ranges, delimiter) { + return ranges.map(function(r) { + return text.substring(r.s, r.e); + }).join(delimiter); + }, + + cut: function(text, delimiter) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + return this + .rangesToText(text, ranges, + (delimiter === undefined ? "|" : delimiter)); + }, + + cutIntoRanges: function(text, noText) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + + if (!noText) { + ranges.forEach(function(r) { + r.text = text.substring(r.s, r.e); + }); + } + return ranges; + }, + + cutIntoArray: function(text) { + var path = this.buildPath(text) + , ranges = this.pathToRanges(path); + + return ranges.map(function(r) { + return text.substring(r.s, r.e) + }); + } +}; + +module.exports = WordcutCore; + +},{}],9:[function(require,module,exports){ +// http://wiki.commonjs.org/wiki/Unit_Testing/1.0 +// +// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8! +// +// Originally from narwhal.js (http://narwhaljs.org) +// Copyright (c) 2009 Thomas Robinson <280north.com> +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the 'Software'), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +// when used in node, this will actually load the util module we depend on +// versus loading the builtin util module as happens otherwise +// this is a bug in node module loading as far as I am concerned +var util = require('util/'); + +var pSlice = Array.prototype.slice; +var hasOwn = Object.prototype.hasOwnProperty; + +// 1. The assert module provides functions that throw +// AssertionError's when particular conditions are not met. The +// assert module must conform to the following interface. + +var assert = module.exports = ok; + +// 2. The AssertionError is defined in assert. +// new assert.AssertionError({ message: message, +// actual: actual, +// expected: expected }) + +assert.AssertionError = function AssertionError(options) { + this.name = 'AssertionError'; + this.actual = options.actual; + this.expected = options.expected; + this.operator = options.operator; + if (options.message) { + this.message = options.message; + this.generatedMessage = false; + } else { + this.message = getMessage(this); + this.generatedMessage = true; + } + var stackStartFunction = options.stackStartFunction || fail; + + if (Error.captureStackTrace) { + Error.captureStackTrace(this, stackStartFunction); + } + else { + // non v8 browsers so we can have a stacktrace + var err = new Error(); + if (err.stack) { + var out = err.stack; + + // try to strip useless frames + var fn_name = stackStartFunction.name; + var idx = out.indexOf('\n' + fn_name); + if (idx >= 0) { + // once we have located the function frame + // we need to strip out everything before it (and its line) + var next_line = out.indexOf('\n', idx + 1); + out = out.substring(next_line + 1); + } + + this.stack = out; + } + } +}; + +// assert.AssertionError instanceof Error +util.inherits(assert.AssertionError, Error); + +function replacer(key, value) { + if (util.isUndefined(value)) { + return '' + value; + } + if (util.isNumber(value) && !isFinite(value)) { + return value.toString(); + } + if (util.isFunction(value) || util.isRegExp(value)) { + return value.toString(); + } + return value; +} + +function truncate(s, n) { + if (util.isString(s)) { + return s.length < n ? s : s.slice(0, n); + } else { + return s; + } +} + +function getMessage(self) { + return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' + + self.operator + ' ' + + truncate(JSON.stringify(self.expected, replacer), 128); +} + +// At present only the three keys mentioned above are used and +// understood by the spec. Implementations or sub modules can pass +// other keys to the AssertionError's constructor - they will be +// ignored. + +// 3. All of the following functions must throw an AssertionError +// when a corresponding condition is not met, with a message that +// may be undefined if not provided. All assertion methods provide +// both the actual and expected values to the assertion error for +// display purposes. + +function fail(actual, expected, message, operator, stackStartFunction) { + throw new assert.AssertionError({ + message: message, + actual: actual, + expected: expected, + operator: operator, + stackStartFunction: stackStartFunction + }); +} + +// EXTENSION! allows for well behaved errors defined elsewhere. +assert.fail = fail; + +// 4. Pure assertion tests whether a value is truthy, as determined +// by !!guard. +// assert.ok(guard, message_opt); +// This statement is equivalent to assert.equal(true, !!guard, +// message_opt);. To test strictly for the value true, use +// assert.strictEqual(true, guard, message_opt);. + +function ok(value, message) { + if (!value) fail(value, true, message, '==', assert.ok); +} +assert.ok = ok; + +// 5. The equality assertion tests shallow, coercive equality with +// ==. +// assert.equal(actual, expected, message_opt); + +assert.equal = function equal(actual, expected, message) { + if (actual != expected) fail(actual, expected, message, '==', assert.equal); +}; + +// 6. The non-equality assertion tests for whether two objects are not equal +// with != assert.notEqual(actual, expected, message_opt); + +assert.notEqual = function notEqual(actual, expected, message) { + if (actual == expected) { + fail(actual, expected, message, '!=', assert.notEqual); + } +}; + +// 7. The equivalence assertion tests a deep equality relation. +// assert.deepEqual(actual, expected, message_opt); + +assert.deepEqual = function deepEqual(actual, expected, message) { + if (!_deepEqual(actual, expected)) { + fail(actual, expected, message, 'deepEqual', assert.deepEqual); + } +}; + +function _deepEqual(actual, expected) { + // 7.1. All identical values are equivalent, as determined by ===. + if (actual === expected) { + return true; + + } else if (util.isBuffer(actual) && util.isBuffer(expected)) { + if (actual.length != expected.length) return false; + + for (var i = 0; i < actual.length; i++) { + if (actual[i] !== expected[i]) return false; + } + + return true; + + // 7.2. If the expected value is a Date object, the actual value is + // equivalent if it is also a Date object that refers to the same time. + } else if (util.isDate(actual) && util.isDate(expected)) { + return actual.getTime() === expected.getTime(); + + // 7.3 If the expected value is a RegExp object, the actual value is + // equivalent if it is also a RegExp object with the same source and + // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`). + } else if (util.isRegExp(actual) && util.isRegExp(expected)) { + return actual.source === expected.source && + actual.global === expected.global && + actual.multiline === expected.multiline && + actual.lastIndex === expected.lastIndex && + actual.ignoreCase === expected.ignoreCase; + + // 7.4. Other pairs that do not both pass typeof value == 'object', + // equivalence is determined by ==. + } else if (!util.isObject(actual) && !util.isObject(expected)) { + return actual == expected; + + // 7.5 For all other Object pairs, including Array objects, equivalence is + // determined by having the same number of owned properties (as verified + // with Object.prototype.hasOwnProperty.call), the same set of keys + // (although not necessarily the same order), equivalent values for every + // corresponding key, and an identical 'prototype' property. Note: this + // accounts for both named and indexed properties on Arrays. + } else { + return objEquiv(actual, expected); + } +} + +function isArguments(object) { + return Object.prototype.toString.call(object) == '[object Arguments]'; +} + +function objEquiv(a, b) { + if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b)) + return false; + // an identical 'prototype' property. + if (a.prototype !== b.prototype) return false; + // if one is a primitive, the other must be same + if (util.isPrimitive(a) || util.isPrimitive(b)) { + return a === b; + } + var aIsArgs = isArguments(a), + bIsArgs = isArguments(b); + if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs)) + return false; + if (aIsArgs) { + a = pSlice.call(a); + b = pSlice.call(b); + return _deepEqual(a, b); + } + var ka = objectKeys(a), + kb = objectKeys(b), + key, i; + // having the same number of owned properties (keys incorporates + // hasOwnProperty) + if (ka.length != kb.length) + return false; + //the same set of keys (although not necessarily the same order), + ka.sort(); + kb.sort(); + //~~~cheap key test + for (i = ka.length - 1; i >= 0; i--) { + if (ka[i] != kb[i]) + return false; + } + //equivalent values for every corresponding key, and + //~~~possibly expensive deep test + for (i = ka.length - 1; i >= 0; i--) { + key = ka[i]; + if (!_deepEqual(a[key], b[key])) return false; + } + return true; +} + +// 8. The non-equivalence assertion tests for any deep inequality. +// assert.notDeepEqual(actual, expected, message_opt); + +assert.notDeepEqual = function notDeepEqual(actual, expected, message) { + if (_deepEqual(actual, expected)) { + fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual); + } +}; + +// 9. The strict equality assertion tests strict equality, as determined by ===. +// assert.strictEqual(actual, expected, message_opt); + +assert.strictEqual = function strictEqual(actual, expected, message) { + if (actual !== expected) { + fail(actual, expected, message, '===', assert.strictEqual); + } +}; + +// 10. The strict non-equality assertion tests for strict inequality, as +// determined by !==. assert.notStrictEqual(actual, expected, message_opt); + +assert.notStrictEqual = function notStrictEqual(actual, expected, message) { + if (actual === expected) { + fail(actual, expected, message, '!==', assert.notStrictEqual); + } +}; + +function expectedException(actual, expected) { + if (!actual || !expected) { + return false; + } + + if (Object.prototype.toString.call(expected) == '[object RegExp]') { + return expected.test(actual); + } else if (actual instanceof expected) { + return true; + } else if (expected.call({}, actual) === true) { + return true; + } + + return false; +} + +function _throws(shouldThrow, block, expected, message) { + var actual; + + if (util.isString(expected)) { + message = expected; + expected = null; + } + + try { + block(); + } catch (e) { + actual = e; + } + + message = (expected && expected.name ? ' (' + expected.name + ').' : '.') + + (message ? ' ' + message : '.'); + + if (shouldThrow && !actual) { + fail(actual, expected, 'Missing expected exception' + message); + } + + if (!shouldThrow && expectedException(actual, expected)) { + fail(actual, expected, 'Got unwanted exception' + message); + } + + if ((shouldThrow && actual && expected && + !expectedException(actual, expected)) || (!shouldThrow && actual)) { + throw actual; + } +} + +// 11. Expected to throw an error: +// assert.throws(block, Error_opt, message_opt); + +assert.throws = function(block, /*optional*/error, /*optional*/message) { + _throws.apply(this, [true].concat(pSlice.call(arguments))); +}; + +// EXTENSION! This is annoying to write outside this module. +assert.doesNotThrow = function(block, /*optional*/message) { + _throws.apply(this, [false].concat(pSlice.call(arguments))); +}; + +assert.ifError = function(err) { if (err) {throw err;}}; + +var objectKeys = Object.keys || function (obj) { + var keys = []; + for (var key in obj) { + if (hasOwn.call(obj, key)) keys.push(key); + } + return keys; +}; + +},{"util/":28}],10:[function(require,module,exports){ +'use strict'; +module.exports = balanced; +function balanced(a, b, str) { + if (a instanceof RegExp) a = maybeMatch(a, str); + if (b instanceof RegExp) b = maybeMatch(b, str); + + var r = range(a, b, str); + + return r && { + start: r[0], + end: r[1], + pre: str.slice(0, r[0]), + body: str.slice(r[0] + a.length, r[1]), + post: str.slice(r[1] + b.length) + }; +} + +function maybeMatch(reg, str) { + var m = str.match(reg); + return m ? m[0] : null; +} + +balanced.range = range; +function range(a, b, str) { + var begs, beg, left, right, result; + var ai = str.indexOf(a); + var bi = str.indexOf(b, ai + 1); + var i = ai; + + if (ai >= 0 && bi > 0) { + begs = []; + left = str.length; + + while (i >= 0 && !result) { + if (i == ai) { + begs.push(i); + ai = str.indexOf(a, i + 1); + } else if (begs.length == 1) { + result = [ begs.pop(), bi ]; + } else { + beg = begs.pop(); + if (beg < left) { + left = beg; + right = bi; + } + + bi = str.indexOf(b, i + 1); + } + + i = ai < bi && ai >= 0 ? ai : bi; + } + + if (begs.length) { + result = [ left, right ]; + } + } + + return result; +} + +},{}],11:[function(require,module,exports){ +var concatMap = require('concat-map'); +var balanced = require('balanced-match'); + +module.exports = expandTop; + +var escSlash = '\0SLASH'+Math.random()+'\0'; +var escOpen = '\0OPEN'+Math.random()+'\0'; +var escClose = '\0CLOSE'+Math.random()+'\0'; +var escComma = '\0COMMA'+Math.random()+'\0'; +var escPeriod = '\0PERIOD'+Math.random()+'\0'; + +function numeric(str) { + return parseInt(str, 10) == str + ? parseInt(str, 10) + : str.charCodeAt(0); +} + +function escapeBraces(str) { + return str.split('\\\\').join(escSlash) + .split('\\{').join(escOpen) + .split('\\}').join(escClose) + .split('\\,').join(escComma) + .split('\\.').join(escPeriod); +} + +function unescapeBraces(str) { + return str.split(escSlash).join('\\') + .split(escOpen).join('{') + .split(escClose).join('}') + .split(escComma).join(',') + .split(escPeriod).join('.'); +} + + +// Basically just str.split(","), but handling cases +// where we have nested braced sections, which should be +// treated as individual members, like {a,{b,c},d} +function parseCommaParts(str) { + if (!str) + return ['']; + + var parts = []; + var m = balanced('{', '}', str); + + if (!m) + return str.split(','); + + var pre = m.pre; + var body = m.body; + var post = m.post; + var p = pre.split(','); + + p[p.length-1] += '{' + body + '}'; + var postParts = parseCommaParts(post); + if (post.length) { + p[p.length-1] += postParts.shift(); + p.push.apply(p, postParts); + } + + parts.push.apply(parts, p); + + return parts; +} + +function expandTop(str) { + if (!str) + return []; + + // I don't know why Bash 4.3 does this, but it does. + // Anything starting with {} will have the first two bytes preserved + // but *only* at the top level, so {},a}b will not expand to anything, + // but a{},b}c will be expanded to [a}c,abc]. + // One could argue that this is a bug in Bash, but since the goal of + // this module is to match Bash's rules, we escape a leading {} + if (str.substr(0, 2) === '{}') { + str = '\\{\\}' + str.substr(2); + } + + return expand(escapeBraces(str), true).map(unescapeBraces); +} + +function identity(e) { + return e; +} + +function embrace(str) { + return '{' + str + '}'; +} +function isPadded(el) { + return /^-?0\d/.test(el); +} + +function lte(i, y) { + return i <= y; +} +function gte(i, y) { + return i >= y; +} + +function expand(str, isTop) { + var expansions = []; + + var m = balanced('{', '}', str); + if (!m || /\$$/.test(m.pre)) return [str]; + + var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body); + var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body); + var isSequence = isNumericSequence || isAlphaSequence; + var isOptions = m.body.indexOf(',') >= 0; + if (!isSequence && !isOptions) { + // {a},b} + if (m.post.match(/,.*\}/)) { + str = m.pre + '{' + m.body + escClose + m.post; + return expand(str); + } + return [str]; + } + + var n; + if (isSequence) { + n = m.body.split(/\.\./); + } else { + n = parseCommaParts(m.body); + if (n.length === 1) { + // x{{a,b}}y ==> x{a}y x{b}y + n = expand(n[0], false).map(embrace); + if (n.length === 1) { + var post = m.post.length + ? expand(m.post, false) + : ['']; + return post.map(function(p) { + return m.pre + n[0] + p; + }); + } + } + } + + // at this point, n is the parts, and we know it's not a comma set + // with a single entry. + + // no need to expand pre, since it is guaranteed to be free of brace-sets + var pre = m.pre; + var post = m.post.length + ? expand(m.post, false) + : ['']; + + var N; + + if (isSequence) { + var x = numeric(n[0]); + var y = numeric(n[1]); + var width = Math.max(n[0].length, n[1].length) + var incr = n.length == 3 + ? Math.abs(numeric(n[2])) + : 1; + var test = lte; + var reverse = y < x; + if (reverse) { + incr *= -1; + test = gte; + } + var pad = n.some(isPadded); + + N = []; + + for (var i = x; test(i, y); i += incr) { + var c; + if (isAlphaSequence) { + c = String.fromCharCode(i); + if (c === '\\') + c = ''; + } else { + c = String(i); + if (pad) { + var need = width - c.length; + if (need > 0) { + var z = new Array(need + 1).join('0'); + if (i < 0) + c = '-' + z + c.slice(1); + else + c = z + c; + } + } + } + N.push(c); + } + } else { + N = concatMap(n, function(el) { return expand(el, false) }); + } + + for (var j = 0; j < N.length; j++) { + for (var k = 0; k < post.length; k++) { + var expansion = pre + N[j] + post[k]; + if (!isTop || isSequence || expansion) + expansions.push(expansion); + } + } + + return expansions; +} + + +},{"balanced-match":10,"concat-map":13}],12:[function(require,module,exports){ + +},{}],13:[function(require,module,exports){ +module.exports = function (xs, fn) { + var res = []; + for (var i = 0; i < xs.length; i++) { + var x = fn(xs[i], i); + if (isArray(x)) res.push.apply(res, x); + else res.push(x); + } + return res; +}; + +var isArray = Array.isArray || function (xs) { + return Object.prototype.toString.call(xs) === '[object Array]'; +}; + +},{}],14:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +function EventEmitter() { + this._events = this._events || {}; + this._maxListeners = this._maxListeners || undefined; +} +module.exports = EventEmitter; + +// Backwards-compat with node 0.10.x +EventEmitter.EventEmitter = EventEmitter; + +EventEmitter.prototype._events = undefined; +EventEmitter.prototype._maxListeners = undefined; + +// By default EventEmitters will print a warning if more than 10 listeners are +// added to it. This is a useful default which helps finding memory leaks. +EventEmitter.defaultMaxListeners = 10; + +// Obviously not all Emitters should be limited to 10. This function allows +// that to be increased. Set to zero for unlimited. +EventEmitter.prototype.setMaxListeners = function(n) { + if (!isNumber(n) || n < 0 || isNaN(n)) + throw TypeError('n must be a positive number'); + this._maxListeners = n; + return this; +}; + +EventEmitter.prototype.emit = function(type) { + var er, handler, len, args, i, listeners; + + if (!this._events) + this._events = {}; + + // If there is no 'error' event listener then throw. + if (type === 'error') { + if (!this._events.error || + (isObject(this._events.error) && !this._events.error.length)) { + er = arguments[1]; + if (er instanceof Error) { + throw er; // Unhandled 'error' event + } + throw TypeError('Uncaught, unspecified "error" event.'); + } + } + + handler = this._events[type]; + + if (isUndefined(handler)) + return false; + + if (isFunction(handler)) { + switch (arguments.length) { + // fast cases + case 1: + handler.call(this); + break; + case 2: + handler.call(this, arguments[1]); + break; + case 3: + handler.call(this, arguments[1], arguments[2]); + break; + // slower + default: + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + handler.apply(this, args); + } + } else if (isObject(handler)) { + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + + listeners = handler.slice(); + len = listeners.length; + for (i = 0; i < len; i++) + listeners[i].apply(this, args); + } + + return true; +}; + +EventEmitter.prototype.addListener = function(type, listener) { + var m; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events) + this._events = {}; + + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (this._events.newListener) + this.emit('newListener', type, + isFunction(listener.listener) ? + listener.listener : listener); + + if (!this._events[type]) + // Optimize the case of one listener. Don't need the extra array object. + this._events[type] = listener; + else if (isObject(this._events[type])) + // If we've already got an array, just append. + this._events[type].push(listener); + else + // Adding the second element, need to change to array. + this._events[type] = [this._events[type], listener]; + + // Check for listener leak + if (isObject(this._events[type]) && !this._events[type].warned) { + var m; + if (!isUndefined(this._maxListeners)) { + m = this._maxListeners; + } else { + m = EventEmitter.defaultMaxListeners; + } + + if (m && m > 0 && this._events[type].length > m) { + this._events[type].warned = true; + console.error('(node) warning: possible EventEmitter memory ' + + 'leak detected. %d listeners added. ' + + 'Use emitter.setMaxListeners() to increase limit.', + this._events[type].length); + if (typeof console.trace === 'function') { + // not supported in IE 10 + console.trace(); + } + } + } + + return this; +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.once = function(type, listener) { + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + var fired = false; + + function g() { + this.removeListener(type, g); + + if (!fired) { + fired = true; + listener.apply(this, arguments); + } + } + + g.listener = listener; + this.on(type, g); + + return this; +}; + +// emits a 'removeListener' event iff the listener was removed +EventEmitter.prototype.removeListener = function(type, listener) { + var list, position, length, i; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events || !this._events[type]) + return this; + + list = this._events[type]; + length = list.length; + position = -1; + + if (list === listener || + (isFunction(list.listener) && list.listener === listener)) { + delete this._events[type]; + if (this._events.removeListener) + this.emit('removeListener', type, listener); + + } else if (isObject(list)) { + for (i = length; i-- > 0;) { + if (list[i] === listener || + (list[i].listener && list[i].listener === listener)) { + position = i; + break; + } + } + + if (position < 0) + return this; + + if (list.length === 1) { + list.length = 0; + delete this._events[type]; + } else { + list.splice(position, 1); + } + + if (this._events.removeListener) + this.emit('removeListener', type, listener); + } + + return this; +}; + +EventEmitter.prototype.removeAllListeners = function(type) { + var key, listeners; + + if (!this._events) + return this; + + // not listening for removeListener, no need to emit + if (!this._events.removeListener) { + if (arguments.length === 0) + this._events = {}; + else if (this._events[type]) + delete this._events[type]; + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + for (key in this._events) { + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = {}; + return this; + } + + listeners = this._events[type]; + + if (isFunction(listeners)) { + this.removeListener(type, listeners); + } else { + // LIFO order + while (listeners.length) + this.removeListener(type, listeners[listeners.length - 1]); + } + delete this._events[type]; + + return this; +}; + +EventEmitter.prototype.listeners = function(type) { + var ret; + if (!this._events || !this._events[type]) + ret = []; + else if (isFunction(this._events[type])) + ret = [this._events[type]]; + else + ret = this._events[type].slice(); + return ret; +}; + +EventEmitter.listenerCount = function(emitter, type) { + var ret; + if (!emitter._events || !emitter._events[type]) + ret = 0; + else if (isFunction(emitter._events[type])) + ret = 1; + else + ret = emitter._events[type].length; + return ret; +}; + +function isFunction(arg) { + return typeof arg === 'function'; +} + +function isNumber(arg) { + return typeof arg === 'number'; +} + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} + +function isUndefined(arg) { + return arg === void 0; +} + +},{}],15:[function(require,module,exports){ +(function (process){ +exports.alphasort = alphasort +exports.alphasorti = alphasorti +exports.setopts = setopts +exports.ownProp = ownProp +exports.makeAbs = makeAbs +exports.finish = finish +exports.mark = mark +exports.isIgnored = isIgnored +exports.childrenIgnored = childrenIgnored + +function ownProp (obj, field) { + return Object.prototype.hasOwnProperty.call(obj, field) +} + +var path = require("path") +var minimatch = require("minimatch") +var isAbsolute = require("path-is-absolute") +var Minimatch = minimatch.Minimatch + +function alphasorti (a, b) { + return a.toLowerCase().localeCompare(b.toLowerCase()) +} + +function alphasort (a, b) { + return a.localeCompare(b) +} + +function setupIgnores (self, options) { + self.ignore = options.ignore || [] + + if (!Array.isArray(self.ignore)) + self.ignore = [self.ignore] + + if (self.ignore.length) { + self.ignore = self.ignore.map(ignoreMap) + } +} + +function ignoreMap (pattern) { + var gmatcher = null + if (pattern.slice(-3) === '/**') { + var gpattern = pattern.replace(/(\/\*\*)+$/, '') + gmatcher = new Minimatch(gpattern) + } + + return { + matcher: new Minimatch(pattern), + gmatcher: gmatcher + } +} + +function setopts (self, pattern, options) { + if (!options) + options = {} + + // base-matching: just use globstar for that. + if (options.matchBase && -1 === pattern.indexOf("/")) { + if (options.noglobstar) { + throw new Error("base matching requires globstar") + } + pattern = "**/" + pattern + } + + self.silent = !!options.silent + self.pattern = pattern + self.strict = options.strict !== false + self.realpath = !!options.realpath + self.realpathCache = options.realpathCache || Object.create(null) + self.follow = !!options.follow + self.dot = !!options.dot + self.mark = !!options.mark + self.nodir = !!options.nodir + if (self.nodir) + self.mark = true + self.sync = !!options.sync + self.nounique = !!options.nounique + self.nonull = !!options.nonull + self.nosort = !!options.nosort + self.nocase = !!options.nocase + self.stat = !!options.stat + self.noprocess = !!options.noprocess + + self.maxLength = options.maxLength || Infinity + self.cache = options.cache || Object.create(null) + self.statCache = options.statCache || Object.create(null) + self.symlinks = options.symlinks || Object.create(null) + + setupIgnores(self, options) + + self.changedCwd = false + var cwd = process.cwd() + if (!ownProp(options, "cwd")) + self.cwd = cwd + else { + self.cwd = options.cwd + self.changedCwd = path.resolve(options.cwd) !== cwd + } + + self.root = options.root || path.resolve(self.cwd, "/") + self.root = path.resolve(self.root) + if (process.platform === "win32") + self.root = self.root.replace(/\\/g, "/") + + self.nomount = !!options.nomount + + // disable comments and negation unless the user explicitly + // passes in false as the option. + options.nonegate = options.nonegate === false ? false : true + options.nocomment = options.nocomment === false ? false : true + deprecationWarning(options) + + self.minimatch = new Minimatch(pattern, options) + self.options = self.minimatch.options +} + +// TODO(isaacs): remove entirely in v6 +// exported to reset in tests +exports.deprecationWarned +function deprecationWarning(options) { + if (!options.nonegate || !options.nocomment) { + if (process.noDeprecation !== true && !exports.deprecationWarned) { + var msg = 'glob WARNING: comments and negation will be disabled in v6' + if (process.throwDeprecation) + throw new Error(msg) + else if (process.traceDeprecation) + console.trace(msg) + else + console.error(msg) + + exports.deprecationWarned = true + } + } +} + +function finish (self) { + var nou = self.nounique + var all = nou ? [] : Object.create(null) + + for (var i = 0, l = self.matches.length; i < l; i ++) { + var matches = self.matches[i] + if (!matches || Object.keys(matches).length === 0) { + if (self.nonull) { + // do like the shell, and spit out the literal glob + var literal = self.minimatch.globSet[i] + if (nou) + all.push(literal) + else + all[literal] = true + } + } else { + // had matches + var m = Object.keys(matches) + if (nou) + all.push.apply(all, m) + else + m.forEach(function (m) { + all[m] = true + }) + } + } + + if (!nou) + all = Object.keys(all) + + if (!self.nosort) + all = all.sort(self.nocase ? alphasorti : alphasort) + + // at *some* point we statted all of these + if (self.mark) { + for (var i = 0; i < all.length; i++) { + all[i] = self._mark(all[i]) + } + if (self.nodir) { + all = all.filter(function (e) { + return !(/\/$/.test(e)) + }) + } + } + + if (self.ignore.length) + all = all.filter(function(m) { + return !isIgnored(self, m) + }) + + self.found = all +} + +function mark (self, p) { + var abs = makeAbs(self, p) + var c = self.cache[abs] + var m = p + if (c) { + var isDir = c === 'DIR' || Array.isArray(c) + var slash = p.slice(-1) === '/' + + if (isDir && !slash) + m += '/' + else if (!isDir && slash) + m = m.slice(0, -1) + + if (m !== p) { + var mabs = makeAbs(self, m) + self.statCache[mabs] = self.statCache[abs] + self.cache[mabs] = self.cache[abs] + } + } + + return m +} + +// lotta situps... +function makeAbs (self, f) { + var abs = f + if (f.charAt(0) === '/') { + abs = path.join(self.root, f) + } else if (isAbsolute(f) || f === '') { + abs = f + } else if (self.changedCwd) { + abs = path.resolve(self.cwd, f) + } else { + abs = path.resolve(f) + } + return abs +} + + +// Return true, if pattern ends with globstar '**', for the accompanying parent directory. +// Ex:- If node_modules/** is the pattern, add 'node_modules' to ignore list along with it's contents +function isIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return item.matcher.match(path) || !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +function childrenIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +}).call(this,require('_process')) +},{"_process":24,"minimatch":20,"path":22,"path-is-absolute":23}],16:[function(require,module,exports){ +(function (process){ +// Approach: +// +// 1. Get the minimatch set +// 2. For each pattern in the set, PROCESS(pattern, false) +// 3. Store matches per-set, then uniq them +// +// PROCESS(pattern, inGlobStar) +// Get the first [n] items from pattern that are all strings +// Join these together. This is PREFIX. +// If there is no more remaining, then stat(PREFIX) and +// add to matches if it succeeds. END. +// +// If inGlobStar and PREFIX is symlink and points to dir +// set ENTRIES = [] +// else readdir(PREFIX) as ENTRIES +// If fail, END +// +// with ENTRIES +// If pattern[n] is GLOBSTAR +// // handle the case where the globstar match is empty +// // by pruning it out, and testing the resulting pattern +// PROCESS(pattern[0..n] + pattern[n+1 .. $], false) +// // handle other cases. +// for ENTRY in ENTRIES (not dotfiles) +// // attach globstar + tail onto the entry +// // Mark that this entry is a globstar match +// PROCESS(pattern[0..n] + ENTRY + pattern[n .. $], true) +// +// else // not globstar +// for ENTRY in ENTRIES (not dotfiles, unless pattern[n] is dot) +// Test ENTRY against pattern[n] +// If fails, continue +// If passes, PROCESS(pattern[0..n] + item + pattern[n+1 .. $]) +// +// Caveat: +// Cache all stats and readdirs results to minimize syscall. Since all +// we ever care about is existence and directory-ness, we can just keep +// `true` for files, and [children,...] for directories, or `false` for +// things that don't exist. + +module.exports = glob + +var fs = require('fs') +var minimatch = require('minimatch') +var Minimatch = minimatch.Minimatch +var inherits = require('inherits') +var EE = require('events').EventEmitter +var path = require('path') +var assert = require('assert') +var isAbsolute = require('path-is-absolute') +var globSync = require('./sync.js') +var common = require('./common.js') +var alphasort = common.alphasort +var alphasorti = common.alphasorti +var setopts = common.setopts +var ownProp = common.ownProp +var inflight = require('inflight') +var util = require('util') +var childrenIgnored = common.childrenIgnored +var isIgnored = common.isIgnored + +var once = require('once') + +function glob (pattern, options, cb) { + if (typeof options === 'function') cb = options, options = {} + if (!options) options = {} + + if (options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return globSync(pattern, options) + } + + return new Glob(pattern, options, cb) +} + +glob.sync = globSync +var GlobSync = glob.GlobSync = globSync.GlobSync + +// old api surface +glob.glob = glob + +glob.hasMagic = function (pattern, options_) { + var options = util._extend({}, options_) + options.noprocess = true + + var g = new Glob(pattern, options) + var set = g.minimatch.set + if (set.length > 1) + return true + + for (var j = 0; j < set[0].length; j++) { + if (typeof set[0][j] !== 'string') + return true + } + + return false +} + +glob.Glob = Glob +inherits(Glob, EE) +function Glob (pattern, options, cb) { + if (typeof options === 'function') { + cb = options + options = null + } + + if (options && options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return new GlobSync(pattern, options) + } + + if (!(this instanceof Glob)) + return new Glob(pattern, options, cb) + + setopts(this, pattern, options) + this._didRealPath = false + + // process each pattern in the minimatch set + var n = this.minimatch.set.length + + // The matches are stored as {: true,...} so that + // duplicates are automagically pruned. + // Later, we do an Object.keys() on these. + // Keep them as a list so we can fill in when nonull is set. + this.matches = new Array(n) + + if (typeof cb === 'function') { + cb = once(cb) + this.on('error', cb) + this.on('end', function (matches) { + cb(null, matches) + }) + } + + var self = this + var n = this.minimatch.set.length + this._processing = 0 + this.matches = new Array(n) + + this._emitQueue = [] + this._processQueue = [] + this.paused = false + + if (this.noprocess) + return this + + if (n === 0) + return done() + + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false, done) + } + + function done () { + --self._processing + if (self._processing <= 0) + self._finish() + } +} + +Glob.prototype._finish = function () { + assert(this instanceof Glob) + if (this.aborted) + return + + if (this.realpath && !this._didRealpath) + return this._realpath() + + common.finish(this) + this.emit('end', this.found) +} + +Glob.prototype._realpath = function () { + if (this._didRealpath) + return + + this._didRealpath = true + + var n = this.matches.length + if (n === 0) + return this._finish() + + var self = this + for (var i = 0; i < this.matches.length; i++) + this._realpathSet(i, next) + + function next () { + if (--n === 0) + self._finish() + } +} + +Glob.prototype._realpathSet = function (index, cb) { + var matchset = this.matches[index] + if (!matchset) + return cb() + + var found = Object.keys(matchset) + var self = this + var n = found.length + + if (n === 0) + return cb() + + var set = this.matches[index] = Object.create(null) + found.forEach(function (p, i) { + // If there's a problem with the stat, then it means that + // one or more of the links in the realpath couldn't be + // resolved. just return the abs value in that case. + p = self._makeAbs(p) + fs.realpath(p, self.realpathCache, function (er, real) { + if (!er) + set[real] = true + else if (er.syscall === 'stat') + set[p] = true + else + self.emit('error', er) // srsly wtf right here + + if (--n === 0) { + self.matches[index] = set + cb() + } + }) + }) +} + +Glob.prototype._mark = function (p) { + return common.mark(this, p) +} + +Glob.prototype._makeAbs = function (f) { + return common.makeAbs(this, f) +} + +Glob.prototype.abort = function () { + this.aborted = true + this.emit('abort') +} + +Glob.prototype.pause = function () { + if (!this.paused) { + this.paused = true + this.emit('pause') + } +} + +Glob.prototype.resume = function () { + if (this.paused) { + this.emit('resume') + this.paused = false + if (this._emitQueue.length) { + var eq = this._emitQueue.slice(0) + this._emitQueue.length = 0 + for (var i = 0; i < eq.length; i ++) { + var e = eq[i] + this._emitMatch(e[0], e[1]) + } + } + if (this._processQueue.length) { + var pq = this._processQueue.slice(0) + this._processQueue.length = 0 + for (var i = 0; i < pq.length; i ++) { + var p = pq[i] + this._processing-- + this._process(p[0], p[1], p[2], p[3]) + } + } + } +} + +Glob.prototype._process = function (pattern, index, inGlobStar, cb) { + assert(this instanceof Glob) + assert(typeof cb === 'function') + + if (this.aborted) + return + + this._processing++ + if (this.paused) { + this._processQueue.push([pattern, index, inGlobStar, cb]) + return + } + + //console.error('PROCESS %d', this._processing, pattern) + + // Get the first [n] parts of pattern that are all strings. + var n = 0 + while (typeof pattern[n] === 'string') { + n ++ + } + // now n is the index of the first one that is *not* a string. + + // see if there's anything else + var prefix + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index, cb) + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/') + break + } + + var remain = pattern.slice(n) + + // get the list of entries. + var read + if (prefix === null) + read = '.' + else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) { + if (!prefix || !isAbsolute(prefix)) + prefix = '/' + prefix + read = prefix + } else + read = prefix + + var abs = this._makeAbs(read) + + //if ignored, skip _processing + if (childrenIgnored(this, read)) + return cb() + + var isGlobStar = remain[0] === minimatch.GLOBSTAR + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar, cb) + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar, cb) +} + +Glob.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this + this._readdir(abs, inGlobStar, function (er, entries) { + return self._processReaddir2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }) +} + +Glob.prototype._processReaddir2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return cb() + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0] + var negate = !!this.minimatch.negate + var rawGlob = pn._glob + var dotOk = this.dot || rawGlob.charAt(0) === '.' + + var matchedEntries = [] + for (var i = 0; i < entries.length; i++) { + var e = entries[i] + if (e.charAt(0) !== '.' || dotOk) { + var m + if (negate && !prefix) { + m = !e.match(pn) + } else { + m = e.match(pn) + } + if (m) + matchedEntries.push(e) + } + } + + //console.error('prd2', prefix, entries, remain[0]._glob, matchedEntries) + + var len = matchedEntries.length + // If there are no matched entries, then nothing matches. + if (len === 0) + return cb() + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path.join(this.root, e) + } + this._emitMatch(index, e) + } + // This was the last one, and no stats were needed + return cb() + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift() + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + var newPattern + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + this._process([e].concat(remain), index, inGlobStar, cb) + } + cb() +} + +Glob.prototype._emitMatch = function (index, e) { + if (this.aborted) + return + + if (this.matches[index][e]) + return + + if (isIgnored(this, e)) + return + + if (this.paused) { + this._emitQueue.push([index, e]) + return + } + + var abs = this._makeAbs(e) + + if (this.nodir) { + var c = this.cache[abs] + if (c === 'DIR' || Array.isArray(c)) + return + } + + if (this.mark) + e = this._mark(e) + + this.matches[index][e] = true + + var st = this.statCache[abs] + if (st) + this.emit('stat', e, st) + + this.emit('match', e) +} + +Glob.prototype._readdirInGlobStar = function (abs, cb) { + if (this.aborted) + return + + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false, cb) + + var lstatkey = 'lstat\0' + abs + var self = this + var lstatcb = inflight(lstatkey, lstatcb_) + + if (lstatcb) + fs.lstat(abs, lstatcb) + + function lstatcb_ (er, lstat) { + if (er) + return cb() + + var isSym = lstat.isSymbolicLink() + self.symlinks[abs] = isSym + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && !lstat.isDirectory()) { + self.cache[abs] = 'FILE' + cb() + } else + self._readdir(abs, false, cb) + } +} + +Glob.prototype._readdir = function (abs, inGlobStar, cb) { + if (this.aborted) + return + + cb = inflight('readdir\0'+abs+'\0'+inGlobStar, cb) + if (!cb) + return + + //console.error('RD %j %j', +inGlobStar, abs) + if (inGlobStar && !ownProp(this.symlinks, abs)) + return this._readdirInGlobStar(abs, cb) + + if (ownProp(this.cache, abs)) { + var c = this.cache[abs] + if (!c || c === 'FILE') + return cb() + + if (Array.isArray(c)) + return cb(null, c) + } + + var self = this + fs.readdir(abs, readdirCb(this, abs, cb)) +} + +function readdirCb (self, abs, cb) { + return function (er, entries) { + if (er) + self._readdirError(abs, er, cb) + else + self._readdirEntries(abs, entries, cb) + } +} + +Glob.prototype._readdirEntries = function (abs, entries, cb) { + if (this.aborted) + return + + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i] + if (abs === '/') + e = abs + e + else + e = abs + '/' + e + this.cache[e] = true + } + } + + this.cache[abs] = entries + return cb(null, entries) +} + +Glob.prototype._readdirError = function (f, er, cb) { + if (this.aborted) + return + + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + this.cache[this._makeAbs(f)] = 'FILE' + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false + if (this.strict) { + this.emit('error', er) + // If the error is handled, then we abort + // if not, we threw out of here + this.abort() + } + if (!this.silent) + console.error('glob error', er) + break + } + + return cb() +} + +Glob.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this + this._readdir(abs, inGlobStar, function (er, entries) { + self._processGlobStar2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }) +} + + +Glob.prototype._processGlobStar2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + //console.error('pgs2', prefix, remain[0], entries) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return cb() + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1) + var gspref = prefix ? [ prefix ] : [] + var noGlobStar = gspref.concat(remainWithoutGlobStar) + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false, cb) + + var isSym = this.symlinks[abs] + var len = entries.length + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return cb() + + for (var i = 0; i < len; i++) { + var e = entries[i] + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar) + this._process(instead, index, true, cb) + + var below = gspref.concat(entries[i], remain) + this._process(below, index, true, cb) + } + + cb() +} + +Glob.prototype._processSimple = function (prefix, index, cb) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var self = this + this._stat(prefix, function (er, exists) { + self._processSimple2(prefix, index, er, exists, cb) + }) +} +Glob.prototype._processSimple2 = function (prefix, index, er, exists, cb) { + + //console.error('ps2', prefix, exists) + + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return cb() + + if (prefix && isAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix) + if (prefix.charAt(0) === '/') { + prefix = path.join(this.root, prefix) + } else { + prefix = path.resolve(this.root, prefix) + if (trail) + prefix += '/' + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/') + + // Mark this as a match + this._emitMatch(index, prefix) + cb() +} + +// Returns either 'DIR', 'FILE', or false +Glob.prototype._stat = function (f, cb) { + var abs = this._makeAbs(f) + var needDir = f.slice(-1) === '/' + + if (f.length > this.maxLength) + return cb() + + if (!this.stat && ownProp(this.cache, abs)) { + var c = this.cache[abs] + + if (Array.isArray(c)) + c = 'DIR' + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return cb(null, c) + + if (needDir && c === 'FILE') + return cb() + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + + var exists + var stat = this.statCache[abs] + if (stat !== undefined) { + if (stat === false) + return cb(null, stat) + else { + var type = stat.isDirectory() ? 'DIR' : 'FILE' + if (needDir && type === 'FILE') + return cb() + else + return cb(null, type, stat) + } + } + + var self = this + var statcb = inflight('stat\0' + abs, lstatcb_) + if (statcb) + fs.lstat(abs, statcb) + + function lstatcb_ (er, lstat) { + if (lstat && lstat.isSymbolicLink()) { + // If it's a symlink, then treat it as the target, unless + // the target does not exist, then treat it as a file. + return fs.stat(abs, function (er, stat) { + if (er) + self._stat2(f, abs, null, lstat, cb) + else + self._stat2(f, abs, er, stat, cb) + }) + } else { + self._stat2(f, abs, er, lstat, cb) + } + } +} + +Glob.prototype._stat2 = function (f, abs, er, stat, cb) { + if (er) { + this.statCache[abs] = false + return cb() + } + + var needDir = f.slice(-1) === '/' + this.statCache[abs] = stat + + if (abs.slice(-1) === '/' && !stat.isDirectory()) + return cb(null, false, stat) + + var c = stat.isDirectory() ? 'DIR' : 'FILE' + this.cache[abs] = this.cache[abs] || c + + if (needDir && c !== 'DIR') + return cb() + + return cb(null, c, stat) +} + +}).call(this,require('_process')) +},{"./common.js":15,"./sync.js":17,"_process":24,"assert":9,"events":14,"fs":12,"inflight":18,"inherits":19,"minimatch":20,"once":21,"path":22,"path-is-absolute":23,"util":28}],17:[function(require,module,exports){ +(function (process){ +module.exports = globSync +globSync.GlobSync = GlobSync + +var fs = require('fs') +var minimatch = require('minimatch') +var Minimatch = minimatch.Minimatch +var Glob = require('./glob.js').Glob +var util = require('util') +var path = require('path') +var assert = require('assert') +var isAbsolute = require('path-is-absolute') +var common = require('./common.js') +var alphasort = common.alphasort +var alphasorti = common.alphasorti +var setopts = common.setopts +var ownProp = common.ownProp +var childrenIgnored = common.childrenIgnored + +function globSync (pattern, options) { + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + return new GlobSync(pattern, options).found +} + +function GlobSync (pattern, options) { + if (!pattern) + throw new Error('must provide pattern') + + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + if (!(this instanceof GlobSync)) + return new GlobSync(pattern, options) + + setopts(this, pattern, options) + + if (this.noprocess) + return this + + var n = this.minimatch.set.length + this.matches = new Array(n) + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false) + } + this._finish() +} + +GlobSync.prototype._finish = function () { + assert(this instanceof GlobSync) + if (this.realpath) { + var self = this + this.matches.forEach(function (matchset, index) { + var set = self.matches[index] = Object.create(null) + for (var p in matchset) { + try { + p = self._makeAbs(p) + var real = fs.realpathSync(p, self.realpathCache) + set[real] = true + } catch (er) { + if (er.syscall === 'stat') + set[self._makeAbs(p)] = true + else + throw er + } + } + }) + } + common.finish(this) +} + + +GlobSync.prototype._process = function (pattern, index, inGlobStar) { + assert(this instanceof GlobSync) + + // Get the first [n] parts of pattern that are all strings. + var n = 0 + while (typeof pattern[n] === 'string') { + n ++ + } + // now n is the index of the first one that is *not* a string. + + // See if there's anything else + var prefix + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index) + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/') + break + } + + var remain = pattern.slice(n) + + // get the list of entries. + var read + if (prefix === null) + read = '.' + else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) { + if (!prefix || !isAbsolute(prefix)) + prefix = '/' + prefix + read = prefix + } else + read = prefix + + var abs = this._makeAbs(read) + + //if ignored, skip processing + if (childrenIgnored(this, read)) + return + + var isGlobStar = remain[0] === minimatch.GLOBSTAR + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar) + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar) +} + + +GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) { + var entries = this._readdir(abs, inGlobStar) + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0] + var negate = !!this.minimatch.negate + var rawGlob = pn._glob + var dotOk = this.dot || rawGlob.charAt(0) === '.' + + var matchedEntries = [] + for (var i = 0; i < entries.length; i++) { + var e = entries[i] + if (e.charAt(0) !== '.' || dotOk) { + var m + if (negate && !prefix) { + m = !e.match(pn) + } else { + m = e.match(pn) + } + if (m) + matchedEntries.push(e) + } + } + + var len = matchedEntries.length + // If there are no matched entries, then nothing matches. + if (len === 0) + return + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + if (prefix) { + if (prefix.slice(-1) !== '/') + e = prefix + '/' + e + else + e = prefix + e + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path.join(this.root, e) + } + this.matches[index][e] = true + } + // This was the last one, and no stats were needed + return + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift() + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i] + var newPattern + if (prefix) + newPattern = [prefix, e] + else + newPattern = [e] + this._process(newPattern.concat(remain), index, inGlobStar) + } +} + + +GlobSync.prototype._emitMatch = function (index, e) { + var abs = this._makeAbs(e) + if (this.mark) + e = this._mark(e) + + if (this.matches[index][e]) + return + + if (this.nodir) { + var c = this.cache[this._makeAbs(e)] + if (c === 'DIR' || Array.isArray(c)) + return + } + + this.matches[index][e] = true + if (this.stat) + this._stat(e) +} + + +GlobSync.prototype._readdirInGlobStar = function (abs) { + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false) + + var entries + var lstat + var stat + try { + lstat = fs.lstatSync(abs) + } catch (er) { + // lstat failed, doesn't exist + return null + } + + var isSym = lstat.isSymbolicLink() + this.symlinks[abs] = isSym + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && !lstat.isDirectory()) + this.cache[abs] = 'FILE' + else + entries = this._readdir(abs, false) + + return entries +} + +GlobSync.prototype._readdir = function (abs, inGlobStar) { + var entries + + if (inGlobStar && !ownProp(this.symlinks, abs)) + return this._readdirInGlobStar(abs) + + if (ownProp(this.cache, abs)) { + var c = this.cache[abs] + if (!c || c === 'FILE') + return null + + if (Array.isArray(c)) + return c + } + + try { + return this._readdirEntries(abs, fs.readdirSync(abs)) + } catch (er) { + this._readdirError(abs, er) + return null + } +} + +GlobSync.prototype._readdirEntries = function (abs, entries) { + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i] + if (abs === '/') + e = abs + e + else + e = abs + '/' + e + this.cache[e] = true + } + } + + this.cache[abs] = entries + + // mark and cache dir-ness + return entries +} + +GlobSync.prototype._readdirError = function (f, er) { + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + this.cache[this._makeAbs(f)] = 'FILE' + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false + if (this.strict) + throw er + if (!this.silent) + console.error('glob error', er) + break + } +} + +GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) { + + var entries = this._readdir(abs, inGlobStar) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1) + var gspref = prefix ? [ prefix ] : [] + var noGlobStar = gspref.concat(remainWithoutGlobStar) + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false) + + var len = entries.length + var isSym = this.symlinks[abs] + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return + + for (var i = 0; i < len; i++) { + var e = entries[i] + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar) + this._process(instead, index, true) + + var below = gspref.concat(entries[i], remain) + this._process(below, index, true) + } +} + +GlobSync.prototype._processSimple = function (prefix, index) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var exists = this._stat(prefix) + + if (!this.matches[index]) + this.matches[index] = Object.create(null) + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return + + if (prefix && isAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix) + if (prefix.charAt(0) === '/') { + prefix = path.join(this.root, prefix) + } else { + prefix = path.resolve(this.root, prefix) + if (trail) + prefix += '/' + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/') + + // Mark this as a match + this.matches[index][prefix] = true +} + +// Returns either 'DIR', 'FILE', or false +GlobSync.prototype._stat = function (f) { + var abs = this._makeAbs(f) + var needDir = f.slice(-1) === '/' + + if (f.length > this.maxLength) + return false + + if (!this.stat && ownProp(this.cache, abs)) { + var c = this.cache[abs] + + if (Array.isArray(c)) + c = 'DIR' + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return c + + if (needDir && c === 'FILE') + return false + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + + var exists + var stat = this.statCache[abs] + if (!stat) { + var lstat + try { + lstat = fs.lstatSync(abs) + } catch (er) { + return false + } + + if (lstat.isSymbolicLink()) { + try { + stat = fs.statSync(abs) + } catch (er) { + stat = lstat + } + } else { + stat = lstat + } + } + + this.statCache[abs] = stat + + var c = stat.isDirectory() ? 'DIR' : 'FILE' + this.cache[abs] = this.cache[abs] || c + + if (needDir && c !== 'DIR') + return false + + return c +} + +GlobSync.prototype._mark = function (p) { + return common.mark(this, p) +} + +GlobSync.prototype._makeAbs = function (f) { + return common.makeAbs(this, f) +} + +}).call(this,require('_process')) +},{"./common.js":15,"./glob.js":16,"_process":24,"assert":9,"fs":12,"minimatch":20,"path":22,"path-is-absolute":23,"util":28}],18:[function(require,module,exports){ +(function (process){ +var wrappy = require('wrappy') +var reqs = Object.create(null) +var once = require('once') + +module.exports = wrappy(inflight) + +function inflight (key, cb) { + if (reqs[key]) { + reqs[key].push(cb) + return null + } else { + reqs[key] = [cb] + return makeres(key) + } +} + +function makeres (key) { + return once(function RES () { + var cbs = reqs[key] + var len = cbs.length + var args = slice(arguments) + + // XXX It's somewhat ambiguous whether a new callback added in this + // pass should be queued for later execution if something in the + // list of callbacks throws, or if it should just be discarded. + // However, it's such an edge case that it hardly matters, and either + // choice is likely as surprising as the other. + // As it happens, we do go ahead and schedule it for later execution. + try { + for (var i = 0; i < len; i++) { + cbs[i].apply(null, args) + } + } finally { + if (cbs.length > len) { + // added more in the interim. + // de-zalgo, just in case, but don't call again. + cbs.splice(0, len) + process.nextTick(function () { + RES.apply(null, args) + }) + } else { + delete reqs[key] + } + } + }) +} + +function slice (args) { + var length = args.length + var array = [] + + for (var i = 0; i < length; i++) array[i] = args[i] + return array +} + +}).call(this,require('_process')) +},{"_process":24,"once":21,"wrappy":29}],19:[function(require,module,exports){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } +} + +},{}],20:[function(require,module,exports){ +module.exports = minimatch +minimatch.Minimatch = Minimatch + +var path = { sep: '/' } +try { + path = require('path') +} catch (er) {} + +var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {} +var expand = require('brace-expansion') + +var plTypes = { + '!': { open: '(?:(?!(?:', close: '))[^/]*?)'}, + '?': { open: '(?:', close: ')?' }, + '+': { open: '(?:', close: ')+' }, + '*': { open: '(?:', close: ')*' }, + '@': { open: '(?:', close: ')' } +} + +// any single thing other than / +// don't need to escape / when using new RegExp() +var qmark = '[^/]' + +// * => any number of characters +var star = qmark + '*?' + +// ** when dots are allowed. Anything goes, except .. and . +// not (^ or / followed by one or two dots followed by $ or /), +// followed by anything, any number of times. +var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?' + +// not a ^ or / followed by a dot, +// followed by anything, any number of times. +var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?' + +// characters that need to be escaped in RegExp. +var reSpecials = charSet('().*{}+?[]^$\\!') + +// "abc" -> { a:true, b:true, c:true } +function charSet (s) { + return s.split('').reduce(function (set, c) { + set[c] = true + return set + }, {}) +} + +// normalizes slashes. +var slashSplit = /\/+/ + +minimatch.filter = filter +function filter (pattern, options) { + options = options || {} + return function (p, i, list) { + return minimatch(p, pattern, options) + } +} + +function ext (a, b) { + a = a || {} + b = b || {} + var t = {} + Object.keys(b).forEach(function (k) { + t[k] = b[k] + }) + Object.keys(a).forEach(function (k) { + t[k] = a[k] + }) + return t +} + +minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return minimatch + + var orig = minimatch + + var m = function minimatch (p, pattern, options) { + return orig.minimatch(p, pattern, ext(def, options)) + } + + m.Minimatch = function Minimatch (pattern, options) { + return new orig.Minimatch(pattern, ext(def, options)) + } + + return m +} + +Minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return Minimatch + return minimatch.defaults(def).Minimatch +} + +function minimatch (p, pattern, options) { + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {} + + // shortcut: comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + return false + } + + // "" only matches "" + if (pattern.trim() === '') return p === '' + + return new Minimatch(pattern, options).match(p) +} + +function Minimatch (pattern, options) { + if (!(this instanceof Minimatch)) { + return new Minimatch(pattern, options) + } + + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {} + pattern = pattern.trim() + + // windows support: need to use /, not \ + if (path.sep !== '/') { + pattern = pattern.split(path.sep).join('/') + } + + this.options = options + this.set = [] + this.pattern = pattern + this.regexp = null + this.negate = false + this.comment = false + this.empty = false + + // make the set of regexps etc. + this.make() +} + +Minimatch.prototype.debug = function () {} + +Minimatch.prototype.make = make +function make () { + // don't do it more than once. + if (this._made) return + + var pattern = this.pattern + var options = this.options + + // empty patterns and comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + this.comment = true + return + } + if (!pattern) { + this.empty = true + return + } + + // step 1: figure out negation, etc. + this.parseNegate() + + // step 2: expand braces + var set = this.globSet = this.braceExpand() + + if (options.debug) this.debug = console.error + + this.debug(this.pattern, set) + + // step 3: now we have a set, so turn each one into a series of path-portion + // matching patterns. + // These will be regexps, except in the case of "**", which is + // set to the GLOBSTAR object for globstar behavior, + // and will not contain any / characters + set = this.globParts = set.map(function (s) { + return s.split(slashSplit) + }) + + this.debug(this.pattern, set) + + // glob --> regexps + set = set.map(function (s, si, set) { + return s.map(this.parse, this) + }, this) + + this.debug(this.pattern, set) + + // filter out everything that didn't compile properly. + set = set.filter(function (s) { + return s.indexOf(false) === -1 + }) + + this.debug(this.pattern, set) + + this.set = set +} + +Minimatch.prototype.parseNegate = parseNegate +function parseNegate () { + var pattern = this.pattern + var negate = false + var options = this.options + var negateOffset = 0 + + if (options.nonegate) return + + for (var i = 0, l = pattern.length + ; i < l && pattern.charAt(i) === '!' + ; i++) { + negate = !negate + negateOffset++ + } + + if (negateOffset) this.pattern = pattern.substr(negateOffset) + this.negate = negate +} + +// Brace expansion: +// a{b,c}d -> abd acd +// a{b,}c -> abc ac +// a{0..3}d -> a0d a1d a2d a3d +// a{b,c{d,e}f}g -> abg acdfg acefg +// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg +// +// Invalid sets are not expanded. +// a{2..}b -> a{2..}b +// a{b}c -> a{b}c +minimatch.braceExpand = function (pattern, options) { + return braceExpand(pattern, options) +} + +Minimatch.prototype.braceExpand = braceExpand + +function braceExpand (pattern, options) { + if (!options) { + if (this instanceof Minimatch) { + options = this.options + } else { + options = {} + } + } + + pattern = typeof pattern === 'undefined' + ? this.pattern : pattern + + if (typeof pattern === 'undefined') { + throw new TypeError('undefined pattern') + } + + if (options.nobrace || + !pattern.match(/\{.*\}/)) { + // shortcut. no need to expand. + return [pattern] + } + + return expand(pattern) +} + +// parse a component of the expanded set. +// At this point, no pattern may contain "/" in it +// so we're going to return a 2d array, where each entry is the full +// pattern, split on '/', and then turned into a regular expression. +// A regexp is made at the end which joins each array with an +// escaped /, and another full one which joins each regexp with |. +// +// Following the lead of Bash 4.1, note that "**" only has special meaning +// when it is the *only* thing in a path portion. Otherwise, any series +// of * is equivalent to a single *. Globstar behavior is enabled by +// default, and can be disabled by setting options.noglobstar. +Minimatch.prototype.parse = parse +var SUBPARSE = {} +function parse (pattern, isSub) { + if (pattern.length > 1024 * 64) { + throw new TypeError('pattern is too long') + } + + var options = this.options + + // shortcuts + if (!options.noglobstar && pattern === '**') return GLOBSTAR + if (pattern === '') return '' + + var re = '' + var hasMagic = !!options.nocase + var escaping = false + // ? => one single character + var patternListStack = [] + var negativeLists = [] + var stateChar + var inClass = false + var reClassStart = -1 + var classStart = -1 + // . and .. never match anything that doesn't start with ., + // even when options.dot is set. + var patternStart = pattern.charAt(0) === '.' ? '' // anything + // not (start or / followed by . or .. followed by / or end) + : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' + : '(?!\\.)' + var self = this + + function clearStateChar () { + if (stateChar) { + // we had some state-tracking character + // that wasn't consumed by this pass. + switch (stateChar) { + case '*': + re += star + hasMagic = true + break + case '?': + re += qmark + hasMagic = true + break + default: + re += '\\' + stateChar + break + } + self.debug('clearStateChar %j %j', stateChar, re) + stateChar = false + } + } + + for (var i = 0, len = pattern.length, c + ; (i < len) && (c = pattern.charAt(i)) + ; i++) { + this.debug('%s\t%s %s %j', pattern, i, re, c) + + // skip over any that are escaped. + if (escaping && reSpecials[c]) { + re += '\\' + c + escaping = false + continue + } + + switch (c) { + case '/': + // completely not allowed, even escaped. + // Should already be path-split by now. + return false + + case '\\': + clearStateChar() + escaping = true + continue + + // the various stateChar values + // for the "extglob" stuff. + case '?': + case '*': + case '+': + case '@': + case '!': + this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c) + + // all of those are literals inside a class, except that + // the glob [!a] means [^a] in regexp + if (inClass) { + this.debug(' in class') + if (c === '!' && i === classStart + 1) c = '^' + re += c + continue + } + + // if we already have a stateChar, then it means + // that there was something like ** or +? in there. + // Handle the stateChar, then proceed with this one. + self.debug('call clearStateChar %j', stateChar) + clearStateChar() + stateChar = c + // if extglob is disabled, then +(asdf|foo) isn't a thing. + // just clear the statechar *now*, rather than even diving into + // the patternList stuff. + if (options.noext) clearStateChar() + continue + + case '(': + if (inClass) { + re += '(' + continue + } + + if (!stateChar) { + re += '\\(' + continue + } + + patternListStack.push({ + type: stateChar, + start: i - 1, + reStart: re.length, + open: plTypes[stateChar].open, + close: plTypes[stateChar].close + }) + // negation is (?:(?!js)[^/]*) + re += stateChar === '!' ? '(?:(?!(?:' : '(?:' + this.debug('plType %j %j', stateChar, re) + stateChar = false + continue + + case ')': + if (inClass || !patternListStack.length) { + re += '\\)' + continue + } + + clearStateChar() + hasMagic = true + var pl = patternListStack.pop() + // negation is (?:(?!js)[^/]*) + // The others are (?:) + re += pl.close + if (pl.type === '!') { + negativeLists.push(pl) + } + pl.reEnd = re.length + continue + + case '|': + if (inClass || !patternListStack.length || escaping) { + re += '\\|' + escaping = false + continue + } + + clearStateChar() + re += '|' + continue + + // these are mostly the same in regexp and glob + case '[': + // swallow any state-tracking char before the [ + clearStateChar() + + if (inClass) { + re += '\\' + c + continue + } + + inClass = true + classStart = i + reClassStart = re.length + re += c + continue + + case ']': + // a right bracket shall lose its special + // meaning and represent itself in + // a bracket expression if it occurs + // first in the list. -- POSIX.2 2.8.3.2 + if (i === classStart + 1 || !inClass) { + re += '\\' + c + escaping = false + continue + } + + // handle the case where we left a class open. + // "[z-a]" is valid, equivalent to "\[z-a\]" + if (inClass) { + // split where the last [ was, make sure we don't have + // an invalid re. if so, re-walk the contents of the + // would-be class to re-translate any characters that + // were passed through as-is + // TODO: It would probably be faster to determine this + // without a try/catch and a new RegExp, but it's tricky + // to do safely. For now, this is safe and works. + var cs = pattern.substring(classStart + 1, i) + try { + RegExp('[' + cs + ']') + } catch (er) { + // not a valid class! + var sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]' + hasMagic = hasMagic || sp[1] + inClass = false + continue + } + } + + // finish up the class. + hasMagic = true + inClass = false + re += c + continue + + default: + // swallow any state char that wasn't consumed + clearStateChar() + + if (escaping) { + // no need + escaping = false + } else if (reSpecials[c] + && !(c === '^' && inClass)) { + re += '\\' + } + + re += c + + } // switch + } // for + + // handle the case where we left a class open. + // "[abc" is valid, equivalent to "\[abc" + if (inClass) { + // split where the last [ was, and escape it + // this is a huge pita. We now have to re-walk + // the contents of the would-be class to re-translate + // any characters that were passed through as-is + cs = pattern.substr(classStart + 1) + sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + hasMagic = hasMagic || sp[1] + } + + // handle the case where we had a +( thing at the *end* + // of the pattern. + // each pattern list stack adds 3 chars, and we need to go through + // and escape any | chars that were passed through as-is for the regexp. + // Go through and escape them, taking care not to double-escape any + // | chars that were already escaped. + for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) { + var tail = re.slice(pl.reStart + pl.open.length) + this.debug('setting tail', re, pl) + // maybe some even number of \, then maybe 1 \, followed by a | + tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) { + if (!$2) { + // the | isn't already escaped, so escape it. + $2 = '\\' + } + + // need to escape all those slashes *again*, without escaping the + // one that we need for escaping the | character. As it works out, + // escaping an even number of slashes can be done by simply repeating + // it exactly after itself. That's why this trick works. + // + // I am sorry that you have to see this. + return $1 + $1 + $2 + '|' + }) + + this.debug('tail=%j\n %s', tail, tail, pl, re) + var t = pl.type === '*' ? star + : pl.type === '?' ? qmark + : '\\' + pl.type + + hasMagic = true + re = re.slice(0, pl.reStart) + t + '\\(' + tail + } + + // handle trailing things that only matter at the very end. + clearStateChar() + if (escaping) { + // trailing \\ + re += '\\\\' + } + + // only need to apply the nodot start if the re starts with + // something that could conceivably capture a dot + var addPatternStart = false + switch (re.charAt(0)) { + case '.': + case '[': + case '(': addPatternStart = true + } + + // Hack to work around lack of negative lookbehind in JS + // A pattern like: *.!(x).!(y|z) needs to ensure that a name + // like 'a.xyz.yz' doesn't match. So, the first negative + // lookahead, has to look ALL the way ahead, to the end of + // the pattern. + for (var n = negativeLists.length - 1; n > -1; n--) { + var nl = negativeLists[n] + + var nlBefore = re.slice(0, nl.reStart) + var nlFirst = re.slice(nl.reStart, nl.reEnd - 8) + var nlLast = re.slice(nl.reEnd - 8, nl.reEnd) + var nlAfter = re.slice(nl.reEnd) + + nlLast += nlAfter + + // Handle nested stuff like *(*.js|!(*.json)), where open parens + // mean that we should *not* include the ) in the bit that is considered + // "after" the negated section. + var openParensBefore = nlBefore.split('(').length - 1 + var cleanAfter = nlAfter + for (i = 0; i < openParensBefore; i++) { + cleanAfter = cleanAfter.replace(/\)[+*?]?/, '') + } + nlAfter = cleanAfter + + var dollar = '' + if (nlAfter === '' && isSub !== SUBPARSE) { + dollar = '$' + } + var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast + re = newRe + } + + // if the re is not "" at this point, then we need to make sure + // it doesn't match against an empty path part. + // Otherwise a/* will match a/, which it should not. + if (re !== '' && hasMagic) { + re = '(?=.)' + re + } + + if (addPatternStart) { + re = patternStart + re + } + + // parsing just a piece of a larger pattern. + if (isSub === SUBPARSE) { + return [re, hasMagic] + } + + // skip the regexp for non-magical patterns + // unescape anything in it, though, so that it'll be + // an exact match against a file etc. + if (!hasMagic) { + return globUnescape(pattern) + } + + var flags = options.nocase ? 'i' : '' + try { + var regExp = new RegExp('^' + re + '$', flags) + } catch (er) { + // If it was an invalid regular expression, then it can't match + // anything. This trick looks for a character after the end of + // the string, which is of course impossible, except in multi-line + // mode, but it's not a /m regex. + return new RegExp('$.') + } + + regExp._glob = pattern + regExp._src = re + + return regExp +} + +minimatch.makeRe = function (pattern, options) { + return new Minimatch(pattern, options || {}).makeRe() +} + +Minimatch.prototype.makeRe = makeRe +function makeRe () { + if (this.regexp || this.regexp === false) return this.regexp + + // at this point, this.set is a 2d array of partial + // pattern strings, or "**". + // + // It's better to use .match(). This function shouldn't + // be used, really, but it's pretty convenient sometimes, + // when you just want to work with a regex. + var set = this.set + + if (!set.length) { + this.regexp = false + return this.regexp + } + var options = this.options + + var twoStar = options.noglobstar ? star + : options.dot ? twoStarDot + : twoStarNoDot + var flags = options.nocase ? 'i' : '' + + var re = set.map(function (pattern) { + return pattern.map(function (p) { + return (p === GLOBSTAR) ? twoStar + : (typeof p === 'string') ? regExpEscape(p) + : p._src + }).join('\\\/') + }).join('|') + + // must match entire pattern + // ending in a * or ** will make it less strict. + re = '^(?:' + re + ')$' + + // can match anything, as long as it's not this. + if (this.negate) re = '^(?!' + re + ').*$' + + try { + this.regexp = new RegExp(re, flags) + } catch (ex) { + this.regexp = false + } + return this.regexp +} + +minimatch.match = function (list, pattern, options) { + options = options || {} + var mm = new Minimatch(pattern, options) + list = list.filter(function (f) { + return mm.match(f) + }) + if (mm.options.nonull && !list.length) { + list.push(pattern) + } + return list +} + +Minimatch.prototype.match = match +function match (f, partial) { + this.debug('match', f, this.pattern) + // short-circuit in the case of busted things. + // comments, etc. + if (this.comment) return false + if (this.empty) return f === '' + + if (f === '/' && partial) return true + + var options = this.options + + // windows: need to use /, not \ + if (path.sep !== '/') { + f = f.split(path.sep).join('/') + } + + // treat the test path as a set of pathparts. + f = f.split(slashSplit) + this.debug(this.pattern, 'split', f) + + // just ONE of the pattern sets in this.set needs to match + // in order for it to be valid. If negating, then just one + // match means that we have failed. + // Either way, return on the first hit. + + var set = this.set + this.debug(this.pattern, 'set', set) + + // Find the basename of the path by looking for the last non-empty segment + var filename + var i + for (i = f.length - 1; i >= 0; i--) { + filename = f[i] + if (filename) break + } + + for (i = 0; i < set.length; i++) { + var pattern = set[i] + var file = f + if (options.matchBase && pattern.length === 1) { + file = [filename] + } + var hit = this.matchOne(file, pattern, partial) + if (hit) { + if (options.flipNegate) return true + return !this.negate + } + } + + // didn't get any hits. this is success if it's a negative + // pattern, failure otherwise. + if (options.flipNegate) return false + return this.negate +} + +// set partial to true to test if, for example, +// "/a/b" matches the start of "/*/b/*/d" +// Partial means, if you run out of file before you run +// out of pattern, then that's fine, as long as all +// the parts match. +Minimatch.prototype.matchOne = function (file, pattern, partial) { + var options = this.options + + this.debug('matchOne', + { 'this': this, file: file, pattern: pattern }) + + this.debug('matchOne', file.length, pattern.length) + + for (var fi = 0, + pi = 0, + fl = file.length, + pl = pattern.length + ; (fi < fl) && (pi < pl) + ; fi++, pi++) { + this.debug('matchOne loop') + var p = pattern[pi] + var f = file[fi] + + this.debug(pattern, p, f) + + // should be impossible. + // some invalid regexp stuff in the set. + if (p === false) return false + + if (p === GLOBSTAR) { + this.debug('GLOBSTAR', [pattern, p, f]) + + // "**" + // a/**/b/**/c would match the following: + // a/b/x/y/z/c + // a/x/y/z/b/c + // a/b/x/b/x/c + // a/b/c + // To do this, take the rest of the pattern after + // the **, and see if it would match the file remainder. + // If so, return success. + // If not, the ** "swallows" a segment, and try again. + // This is recursively awful. + // + // a/**/b/**/c matching a/b/x/y/z/c + // - a matches a + // - doublestar + // - matchOne(b/x/y/z/c, b/**/c) + // - b matches b + // - doublestar + // - matchOne(x/y/z/c, c) -> no + // - matchOne(y/z/c, c) -> no + // - matchOne(z/c, c) -> no + // - matchOne(c, c) yes, hit + var fr = fi + var pr = pi + 1 + if (pr === pl) { + this.debug('** at the end') + // a ** at the end will just swallow the rest. + // We have found a match. + // however, it will not swallow /.x, unless + // options.dot is set. + // . and .. are *never* matched by **, for explosively + // exponential reasons. + for (; fi < fl; fi++) { + if (file[fi] === '.' || file[fi] === '..' || + (!options.dot && file[fi].charAt(0) === '.')) return false + } + return true + } + + // ok, let's see if we can swallow whatever we can. + while (fr < fl) { + var swallowee = file[fr] + + this.debug('\nglobstar while', file, fr, pattern, pr, swallowee) + + // XXX remove this slice. Just pass the start index. + if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) { + this.debug('globstar found match!', fr, fl, swallowee) + // found a match. + return true + } else { + // can't swallow "." or ".." ever. + // can only swallow ".foo" when explicitly asked. + if (swallowee === '.' || swallowee === '..' || + (!options.dot && swallowee.charAt(0) === '.')) { + this.debug('dot detected!', file, fr, pattern, pr) + break + } + + // ** swallows a segment, and continue. + this.debug('globstar swallow a segment, and continue') + fr++ + } + } + + // no match was found. + // However, in partial mode, we can't say this is necessarily over. + // If there's more *pattern* left, then + if (partial) { + // ran out of file + this.debug('\n>>> no match, partial?', file, fr, pattern, pr) + if (fr === fl) return true + } + return false + } + + // something other than ** + // non-magic patterns just have to match exactly + // patterns with magic have been turned into regexps. + var hit + if (typeof p === 'string') { + if (options.nocase) { + hit = f.toLowerCase() === p.toLowerCase() + } else { + hit = f === p + } + this.debug('string match', p, f, hit) + } else { + hit = f.match(p) + this.debug('pattern match', p, f, hit) + } + + if (!hit) return false + } + + // Note: ending in / means that we'll get a final "" + // at the end of the pattern. This can only match a + // corresponding "" at the end of the file. + // If the file ends in /, then it can only match a + // a pattern that ends in /, unless the pattern just + // doesn't have any more for it. But, a/b/ should *not* + // match "a/b/*", even though "" matches against the + // [^/]*? pattern, except in partial mode, where it might + // simply not be reached yet. + // However, a/b/ should still satisfy a/* + + // now either we fell off the end of the pattern, or we're done. + if (fi === fl && pi === pl) { + // ran out of pattern and filename at the same time. + // an exact hit! + return true + } else if (fi === fl) { + // ran out of file, but still had pattern left. + // this is ok if we're doing the match as part of + // a glob fs traversal. + return partial + } else if (pi === pl) { + // ran out of pattern, still have file left. + // this is only acceptable if we're on the very last + // empty segment of a file with a trailing slash. + // a/* should match a/b/ + var emptyFileEnd = (fi === fl - 1) && (file[fi] === '') + return emptyFileEnd + } + + // should be unreachable. + throw new Error('wtf?') +} + +// replace stuff like \* with * +function globUnescape (s) { + return s.replace(/\\(.)/g, '$1') +} + +function regExpEscape (s) { + return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&') +} + +},{"brace-expansion":11,"path":22}],21:[function(require,module,exports){ +var wrappy = require('wrappy') +module.exports = wrappy(once) +module.exports.strict = wrappy(onceStrict) + +once.proto = once(function () { + Object.defineProperty(Function.prototype, 'once', { + value: function () { + return once(this) + }, + configurable: true + }) + + Object.defineProperty(Function.prototype, 'onceStrict', { + value: function () { + return onceStrict(this) + }, + configurable: true + }) +}) + +function once (fn) { + var f = function () { + if (f.called) return f.value + f.called = true + return f.value = fn.apply(this, arguments) + } + f.called = false + return f +} + +function onceStrict (fn) { + var f = function () { + if (f.called) + throw new Error(f.onceError) + f.called = true + return f.value = fn.apply(this, arguments) + } + var name = fn.name || 'Function wrapped with `once`' + f.onceError = name + " shouldn't be called more than once" + f.called = false + return f +} + +},{"wrappy":29}],22:[function(require,module,exports){ +(function (process){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// resolves . and .. elements in a path array with directory names there +// must be no slashes, empty elements, or device names (c:\) in the array +// (so also no leading and trailing slashes - it does not distinguish +// relative and absolute paths) +function normalizeArray(parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up--; up) { + parts.unshift('..'); + } + } + + return parts; +} + +// Split a filename into [root, dir, basename, ext], unix version +// 'root' is just a slash, or nothing. +var splitPathRe = + /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; +var splitPath = function(filename) { + return splitPathRe.exec(filename).slice(1); +}; + +// path.resolve([from ...], to) +// posix version +exports.resolve = function() { + var resolvedPath = '', + resolvedAbsolute = false; + + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : process.cwd(); + + // Skip empty and invalid entries + if (typeof path !== 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + continue; + } + + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = path.charAt(0) === '/'; + } + + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + + // Normalize the path + resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { + return !!p; + }), !resolvedAbsolute).join('/'); + + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; +}; + +// path.normalize(path) +// posix version +exports.normalize = function(path) { + var isAbsolute = exports.isAbsolute(path), + trailingSlash = substr(path, -1) === '/'; + + // Normalize the path + path = normalizeArray(filter(path.split('/'), function(p) { + return !!p; + }), !isAbsolute).join('/'); + + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + + return (isAbsolute ? '/' : '') + path; +}; + +// posix version +exports.isAbsolute = function(path) { + return path.charAt(0) === '/'; +}; + +// posix version +exports.join = function() { + var paths = Array.prototype.slice.call(arguments, 0); + return exports.normalize(filter(paths, function(p, index) { + if (typeof p !== 'string') { + throw new TypeError('Arguments to path.join must be strings'); + } + return p; + }).join('/')); +}; + + +// path.relative(from, to) +// posix version +exports.relative = function(from, to) { + from = exports.resolve(from).substr(1); + to = exports.resolve(to).substr(1); + + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + + return outputParts.join('/'); +}; + +exports.sep = '/'; +exports.delimiter = ':'; + +exports.dirname = function(path) { + var result = splitPath(path), + root = result[0], + dir = result[1]; + + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + + return root + dir; +}; + + +exports.basename = function(path, ext) { + var f = splitPath(path)[2]; + // TODO: make this comparison case-insensitive on windows? + if (ext && f.substr(-1 * ext.length) === ext) { + f = f.substr(0, f.length - ext.length); + } + return f; +}; + + +exports.extname = function(path) { + return splitPath(path)[3]; +}; + +function filter (xs, f) { + if (xs.filter) return xs.filter(f); + var res = []; + for (var i = 0; i < xs.length; i++) { + if (f(xs[i], i, xs)) res.push(xs[i]); + } + return res; +} + +// String.prototype.substr - negative index don't work in IE8 +var substr = 'ab'.substr(-1) === 'b' + ? function (str, start, len) { return str.substr(start, len) } + : function (str, start, len) { + if (start < 0) start = str.length + start; + return str.substr(start, len); + } +; + +}).call(this,require('_process')) +},{"_process":24}],23:[function(require,module,exports){ +(function (process){ +'use strict'; + +function posix(path) { + return path.charAt(0) === '/'; +} + +function win32(path) { + // https://github.com/nodejs/node/blob/b3fcc245fb25539909ef1d5eaa01dbf92e168633/lib/path.js#L56 + var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/; + var result = splitDeviceRe.exec(path); + var device = result[1] || ''; + var isUnc = Boolean(device && device.charAt(1) !== ':'); + + // UNC paths are always absolute + return Boolean(result[2] || isUnc); +} + +module.exports = process.platform === 'win32' ? win32 : posix; +module.exports.posix = posix; +module.exports.win32 = win32; + +}).call(this,require('_process')) +},{"_process":24}],24:[function(require,module,exports){ +// shim for using process in browser +var process = module.exports = {}; + +// cached from whatever global is present so that test runners that stub it +// don't break things. But we need to wrap it in a try catch in case it is +// wrapped in strict mode code which doesn't define any globals. It's inside a +// function because try/catches deoptimize in certain engines. + +var cachedSetTimeout; +var cachedClearTimeout; + +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); +} +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); +} +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + +} +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + +} +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; + +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} + +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],25:[function(require,module,exports){ +// Underscore.js 1.8.3 +// http://underscorejs.org +// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors +// Underscore may be freely distributed under the MIT license. + +(function() { + + // Baseline setup + // -------------- + + // Establish the root object, `window` in the browser, or `exports` on the server. + var root = this; + + // Save the previous value of the `_` variable. + var previousUnderscore = root._; + + // Save bytes in the minified (but not gzipped) version: + var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; + + // Create quick reference variables for speed access to core prototypes. + var + push = ArrayProto.push, + slice = ArrayProto.slice, + toString = ObjProto.toString, + hasOwnProperty = ObjProto.hasOwnProperty; + + // All **ECMAScript 5** native function implementations that we hope to use + // are declared here. + var + nativeIsArray = Array.isArray, + nativeKeys = Object.keys, + nativeBind = FuncProto.bind, + nativeCreate = Object.create; + + // Naked function reference for surrogate-prototype-swapping. + var Ctor = function(){}; + + // Create a safe reference to the Underscore object for use below. + var _ = function(obj) { + if (obj instanceof _) return obj; + if (!(this instanceof _)) return new _(obj); + this._wrapped = obj; + }; + + // Export the Underscore object for **Node.js**, with + // backwards-compatibility for the old `require()` API. If we're in + // the browser, add `_` as a global object. + if (typeof exports !== 'undefined') { + if (typeof module !== 'undefined' && module.exports) { + exports = module.exports = _; + } + exports._ = _; + } else { + root._ = _; + } + + // Current version. + _.VERSION = '1.8.3'; + + // Internal function that returns an efficient (for current engines) version + // of the passed-in callback, to be repeatedly applied in other Underscore + // functions. + var optimizeCb = function(func, context, argCount) { + if (context === void 0) return func; + switch (argCount == null ? 3 : argCount) { + case 1: return function(value) { + return func.call(context, value); + }; + case 2: return function(value, other) { + return func.call(context, value, other); + }; + case 3: return function(value, index, collection) { + return func.call(context, value, index, collection); + }; + case 4: return function(accumulator, value, index, collection) { + return func.call(context, accumulator, value, index, collection); + }; + } + return function() { + return func.apply(context, arguments); + }; + }; + + // A mostly-internal function to generate callbacks that can be applied + // to each element in a collection, returning the desired result — either + // identity, an arbitrary callback, a property matcher, or a property accessor. + var cb = function(value, context, argCount) { + if (value == null) return _.identity; + if (_.isFunction(value)) return optimizeCb(value, context, argCount); + if (_.isObject(value)) return _.matcher(value); + return _.property(value); + }; + _.iteratee = function(value, context) { + return cb(value, context, Infinity); + }; + + // An internal function for creating assigner functions. + var createAssigner = function(keysFunc, undefinedOnly) { + return function(obj) { + var length = arguments.length; + if (length < 2 || obj == null) return obj; + for (var index = 1; index < length; index++) { + var source = arguments[index], + keys = keysFunc(source), + l = keys.length; + for (var i = 0; i < l; i++) { + var key = keys[i]; + if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key]; + } + } + return obj; + }; + }; + + // An internal function for creating a new object that inherits from another. + var baseCreate = function(prototype) { + if (!_.isObject(prototype)) return {}; + if (nativeCreate) return nativeCreate(prototype); + Ctor.prototype = prototype; + var result = new Ctor; + Ctor.prototype = null; + return result; + }; + + var property = function(key) { + return function(obj) { + return obj == null ? void 0 : obj[key]; + }; + }; + + // Helper for collection methods to determine whether a collection + // should be iterated as an array or as an object + // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength + // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 + var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; + var getLength = property('length'); + var isArrayLike = function(collection) { + var length = getLength(collection); + return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX; + }; + + // Collection Functions + // -------------------- + + // The cornerstone, an `each` implementation, aka `forEach`. + // Handles raw objects in addition to array-likes. Treats all + // sparse array-likes as if they were dense. + _.each = _.forEach = function(obj, iteratee, context) { + iteratee = optimizeCb(iteratee, context); + var i, length; + if (isArrayLike(obj)) { + for (i = 0, length = obj.length; i < length; i++) { + iteratee(obj[i], i, obj); + } + } else { + var keys = _.keys(obj); + for (i = 0, length = keys.length; i < length; i++) { + iteratee(obj[keys[i]], keys[i], obj); + } + } + return obj; + }; + + // Return the results of applying the iteratee to each element. + _.map = _.collect = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + results = Array(length); + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + results[index] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Create a reducing function iterating left or right. + function createReduce(dir) { + // Optimized iterator function as using arguments.length + // in the main function will deoptimize the, see #1991. + function iterator(obj, iteratee, memo, keys, index, length) { + for (; index >= 0 && index < length; index += dir) { + var currentKey = keys ? keys[index] : index; + memo = iteratee(memo, obj[currentKey], currentKey, obj); + } + return memo; + } + + return function(obj, iteratee, memo, context) { + iteratee = optimizeCb(iteratee, context, 4); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + index = dir > 0 ? 0 : length - 1; + // Determine the initial value if none is provided. + if (arguments.length < 3) { + memo = obj[keys ? keys[index] : index]; + index += dir; + } + return iterator(obj, iteratee, memo, keys, index, length); + }; + } + + // **Reduce** builds up a single result from a list of values, aka `inject`, + // or `foldl`. + _.reduce = _.foldl = _.inject = createReduce(1); + + // The right-associative version of reduce, also known as `foldr`. + _.reduceRight = _.foldr = createReduce(-1); + + // Return the first value which passes a truth test. Aliased as `detect`. + _.find = _.detect = function(obj, predicate, context) { + var key; + if (isArrayLike(obj)) { + key = _.findIndex(obj, predicate, context); + } else { + key = _.findKey(obj, predicate, context); + } + if (key !== void 0 && key !== -1) return obj[key]; + }; + + // Return all the elements that pass a truth test. + // Aliased as `select`. + _.filter = _.select = function(obj, predicate, context) { + var results = []; + predicate = cb(predicate, context); + _.each(obj, function(value, index, list) { + if (predicate(value, index, list)) results.push(value); + }); + return results; + }; + + // Return all the elements for which a truth test fails. + _.reject = function(obj, predicate, context) { + return _.filter(obj, _.negate(cb(predicate)), context); + }; + + // Determine whether all of the elements match a truth test. + // Aliased as `all`. + _.every = _.all = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (!predicate(obj[currentKey], currentKey, obj)) return false; + } + return true; + }; + + // Determine if at least one element in the object matches a truth test. + // Aliased as `any`. + _.some = _.any = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (predicate(obj[currentKey], currentKey, obj)) return true; + } + return false; + }; + + // Determine if the array or object contains a given item (using `===`). + // Aliased as `includes` and `include`. + _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + if (typeof fromIndex != 'number' || guard) fromIndex = 0; + return _.indexOf(obj, item, fromIndex) >= 0; + }; + + // Invoke a method (with arguments) on every item in a collection. + _.invoke = function(obj, method) { + var args = slice.call(arguments, 2); + var isFunc = _.isFunction(method); + return _.map(obj, function(value) { + var func = isFunc ? method : value[method]; + return func == null ? func : func.apply(value, args); + }); + }; + + // Convenience version of a common use case of `map`: fetching a property. + _.pluck = function(obj, key) { + return _.map(obj, _.property(key)); + }; + + // Convenience version of a common use case of `filter`: selecting only objects + // containing specific `key:value` pairs. + _.where = function(obj, attrs) { + return _.filter(obj, _.matcher(attrs)); + }; + + // Convenience version of a common use case of `find`: getting the first object + // containing specific `key:value` pairs. + _.findWhere = function(obj, attrs) { + return _.find(obj, _.matcher(attrs)); + }; + + // Return the maximum element (or element-based computation). + _.max = function(obj, iteratee, context) { + var result = -Infinity, lastComputed = -Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value > result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed > lastComputed || computed === -Infinity && result === -Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Return the minimum element (or element-based computation). + _.min = function(obj, iteratee, context) { + var result = Infinity, lastComputed = Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value < result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed < lastComputed || computed === Infinity && result === Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Shuffle a collection, using the modern version of the + // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). + _.shuffle = function(obj) { + var set = isArrayLike(obj) ? obj : _.values(obj); + var length = set.length; + var shuffled = Array(length); + for (var index = 0, rand; index < length; index++) { + rand = _.random(0, index); + if (rand !== index) shuffled[index] = shuffled[rand]; + shuffled[rand] = set[index]; + } + return shuffled; + }; + + // Sample **n** random values from a collection. + // If **n** is not specified, returns a single random element. + // The internal `guard` argument allows it to work with `map`. + _.sample = function(obj, n, guard) { + if (n == null || guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + return obj[_.random(obj.length - 1)]; + } + return _.shuffle(obj).slice(0, Math.max(0, n)); + }; + + // Sort the object's values by a criterion produced by an iteratee. + _.sortBy = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + return _.pluck(_.map(obj, function(value, index, list) { + return { + value: value, + index: index, + criteria: iteratee(value, index, list) + }; + }).sort(function(left, right) { + var a = left.criteria; + var b = right.criteria; + if (a !== b) { + if (a > b || a === void 0) return 1; + if (a < b || b === void 0) return -1; + } + return left.index - right.index; + }), 'value'); + }; + + // An internal function used for aggregate "group by" operations. + var group = function(behavior) { + return function(obj, iteratee, context) { + var result = {}; + iteratee = cb(iteratee, context); + _.each(obj, function(value, index) { + var key = iteratee(value, index, obj); + behavior(result, value, key); + }); + return result; + }; + }; + + // Groups the object's values by a criterion. Pass either a string attribute + // to group by, or a function that returns the criterion. + _.groupBy = group(function(result, value, key) { + if (_.has(result, key)) result[key].push(value); else result[key] = [value]; + }); + + // Indexes the object's values by a criterion, similar to `groupBy`, but for + // when you know that your index values will be unique. + _.indexBy = group(function(result, value, key) { + result[key] = value; + }); + + // Counts instances of an object that group by a certain criterion. Pass + // either a string attribute to count by, or a function that returns the + // criterion. + _.countBy = group(function(result, value, key) { + if (_.has(result, key)) result[key]++; else result[key] = 1; + }); + + // Safely create a real, live array from anything iterable. + _.toArray = function(obj) { + if (!obj) return []; + if (_.isArray(obj)) return slice.call(obj); + if (isArrayLike(obj)) return _.map(obj, _.identity); + return _.values(obj); + }; + + // Return the number of elements in an object. + _.size = function(obj) { + if (obj == null) return 0; + return isArrayLike(obj) ? obj.length : _.keys(obj).length; + }; + + // Split a collection into two arrays: one whose elements all satisfy the given + // predicate, and one whose elements all do not satisfy the predicate. + _.partition = function(obj, predicate, context) { + predicate = cb(predicate, context); + var pass = [], fail = []; + _.each(obj, function(value, key, obj) { + (predicate(value, key, obj) ? pass : fail).push(value); + }); + return [pass, fail]; + }; + + // Array Functions + // --------------- + + // Get the first element of an array. Passing **n** will return the first N + // values in the array. Aliased as `head` and `take`. The **guard** check + // allows it to work with `_.map`. + _.first = _.head = _.take = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[0]; + return _.initial(array, array.length - n); + }; + + // Returns everything but the last entry of the array. Especially useful on + // the arguments object. Passing **n** will return all the values in + // the array, excluding the last N. + _.initial = function(array, n, guard) { + return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); + }; + + // Get the last element of an array. Passing **n** will return the last N + // values in the array. + _.last = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[array.length - 1]; + return _.rest(array, Math.max(0, array.length - n)); + }; + + // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. + // Especially useful on the arguments object. Passing an **n** will return + // the rest N values in the array. + _.rest = _.tail = _.drop = function(array, n, guard) { + return slice.call(array, n == null || guard ? 1 : n); + }; + + // Trim out all falsy values from an array. + _.compact = function(array) { + return _.filter(array, _.identity); + }; + + // Internal implementation of a recursive `flatten` function. + var flatten = function(input, shallow, strict, startIndex) { + var output = [], idx = 0; + for (var i = startIndex || 0, length = getLength(input); i < length; i++) { + var value = input[i]; + if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) { + //flatten current level of array or arguments object + if (!shallow) value = flatten(value, shallow, strict); + var j = 0, len = value.length; + output.length += len; + while (j < len) { + output[idx++] = value[j++]; + } + } else if (!strict) { + output[idx++] = value; + } + } + return output; + }; + + // Flatten out an array, either recursively (by default), or just one level. + _.flatten = function(array, shallow) { + return flatten(array, shallow, false); + }; + + // Return a version of the array that does not contain the specified value(s). + _.without = function(array) { + return _.difference(array, slice.call(arguments, 1)); + }; + + // Produce a duplicate-free version of the array. If the array has already + // been sorted, you have the option of using a faster algorithm. + // Aliased as `unique`. + _.uniq = _.unique = function(array, isSorted, iteratee, context) { + if (!_.isBoolean(isSorted)) { + context = iteratee; + iteratee = isSorted; + isSorted = false; + } + if (iteratee != null) iteratee = cb(iteratee, context); + var result = []; + var seen = []; + for (var i = 0, length = getLength(array); i < length; i++) { + var value = array[i], + computed = iteratee ? iteratee(value, i, array) : value; + if (isSorted) { + if (!i || seen !== computed) result.push(value); + seen = computed; + } else if (iteratee) { + if (!_.contains(seen, computed)) { + seen.push(computed); + result.push(value); + } + } else if (!_.contains(result, value)) { + result.push(value); + } + } + return result; + }; + + // Produce an array that contains the union: each distinct element from all of + // the passed-in arrays. + _.union = function() { + return _.uniq(flatten(arguments, true, true)); + }; + + // Produce an array that contains every item shared between all the + // passed-in arrays. + _.intersection = function(array) { + var result = []; + var argsLength = arguments.length; + for (var i = 0, length = getLength(array); i < length; i++) { + var item = array[i]; + if (_.contains(result, item)) continue; + for (var j = 1; j < argsLength; j++) { + if (!_.contains(arguments[j], item)) break; + } + if (j === argsLength) result.push(item); + } + return result; + }; + + // Take the difference between one array and a number of other arrays. + // Only the elements present in just the first array will remain. + _.difference = function(array) { + var rest = flatten(arguments, true, true, 1); + return _.filter(array, function(value){ + return !_.contains(rest, value); + }); + }; + + // Zip together multiple lists into a single array -- elements that share + // an index go together. + _.zip = function() { + return _.unzip(arguments); + }; + + // Complement of _.zip. Unzip accepts an array of arrays and groups + // each array's elements on shared indices + _.unzip = function(array) { + var length = array && _.max(array, getLength).length || 0; + var result = Array(length); + + for (var index = 0; index < length; index++) { + result[index] = _.pluck(array, index); + } + return result; + }; + + // Converts lists into objects. Pass either a single array of `[key, value]` + // pairs, or two parallel arrays of the same length -- one of keys, and one of + // the corresponding values. + _.object = function(list, values) { + var result = {}; + for (var i = 0, length = getLength(list); i < length; i++) { + if (values) { + result[list[i]] = values[i]; + } else { + result[list[i][0]] = list[i][1]; + } + } + return result; + }; + + // Generator function to create the findIndex and findLastIndex functions + function createPredicateIndexFinder(dir) { + return function(array, predicate, context) { + predicate = cb(predicate, context); + var length = getLength(array); + var index = dir > 0 ? 0 : length - 1; + for (; index >= 0 && index < length; index += dir) { + if (predicate(array[index], index, array)) return index; + } + return -1; + }; + } + + // Returns the first index on an array-like that passes a predicate test + _.findIndex = createPredicateIndexFinder(1); + _.findLastIndex = createPredicateIndexFinder(-1); + + // Use a comparator function to figure out the smallest index at which + // an object should be inserted so as to maintain order. Uses binary search. + _.sortedIndex = function(array, obj, iteratee, context) { + iteratee = cb(iteratee, context, 1); + var value = iteratee(obj); + var low = 0, high = getLength(array); + while (low < high) { + var mid = Math.floor((low + high) / 2); + if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; + } + return low; + }; + + // Generator function to create the indexOf and lastIndexOf functions + function createIndexFinder(dir, predicateFind, sortedIndex) { + return function(array, item, idx) { + var i = 0, length = getLength(array); + if (typeof idx == 'number') { + if (dir > 0) { + i = idx >= 0 ? idx : Math.max(idx + length, i); + } else { + length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; + } + } else if (sortedIndex && idx && length) { + idx = sortedIndex(array, item); + return array[idx] === item ? idx : -1; + } + if (item !== item) { + idx = predicateFind(slice.call(array, i, length), _.isNaN); + return idx >= 0 ? idx + i : -1; + } + for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { + if (array[idx] === item) return idx; + } + return -1; + }; + } + + // Return the position of the first occurrence of an item in an array, + // or -1 if the item is not included in the array. + // If the array is large and already in sort order, pass `true` + // for **isSorted** to use binary search. + _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex); + _.lastIndexOf = createIndexFinder(-1, _.findLastIndex); + + // Generate an integer Array containing an arithmetic progression. A port of + // the native Python `range()` function. See + // [the Python documentation](http://docs.python.org/library/functions.html#range). + _.range = function(start, stop, step) { + if (stop == null) { + stop = start || 0; + start = 0; + } + step = step || 1; + + var length = Math.max(Math.ceil((stop - start) / step), 0); + var range = Array(length); + + for (var idx = 0; idx < length; idx++, start += step) { + range[idx] = start; + } + + return range; + }; + + // Function (ahem) Functions + // ------------------ + + // Determines whether to execute a function as a constructor + // or a normal function with the provided arguments + var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) { + if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); + var self = baseCreate(sourceFunc.prototype); + var result = sourceFunc.apply(self, args); + if (_.isObject(result)) return result; + return self; + }; + + // Create a function bound to a given object (assigning `this`, and arguments, + // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if + // available. + _.bind = function(func, context) { + if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); + if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); + var args = slice.call(arguments, 2); + var bound = function() { + return executeBound(func, bound, context, this, args.concat(slice.call(arguments))); + }; + return bound; + }; + + // Partially apply a function by creating a version that has had some of its + // arguments pre-filled, without changing its dynamic `this` context. _ acts + // as a placeholder, allowing any combination of arguments to be pre-filled. + _.partial = function(func) { + var boundArgs = slice.call(arguments, 1); + var bound = function() { + var position = 0, length = boundArgs.length; + var args = Array(length); + for (var i = 0; i < length; i++) { + args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i]; + } + while (position < arguments.length) args.push(arguments[position++]); + return executeBound(func, bound, this, this, args); + }; + return bound; + }; + + // Bind a number of an object's methods to that object. Remaining arguments + // are the method names to be bound. Useful for ensuring that all callbacks + // defined on an object belong to it. + _.bindAll = function(obj) { + var i, length = arguments.length, key; + if (length <= 1) throw new Error('bindAll must be passed function names'); + for (i = 1; i < length; i++) { + key = arguments[i]; + obj[key] = _.bind(obj[key], obj); + } + return obj; + }; + + // Memoize an expensive function by storing its results. + _.memoize = function(func, hasher) { + var memoize = function(key) { + var cache = memoize.cache; + var address = '' + (hasher ? hasher.apply(this, arguments) : key); + if (!_.has(cache, address)) cache[address] = func.apply(this, arguments); + return cache[address]; + }; + memoize.cache = {}; + return memoize; + }; + + // Delays a function for the given number of milliseconds, and then calls + // it with the arguments supplied. + _.delay = function(func, wait) { + var args = slice.call(arguments, 2); + return setTimeout(function(){ + return func.apply(null, args); + }, wait); + }; + + // Defers a function, scheduling it to run after the current call stack has + // cleared. + _.defer = _.partial(_.delay, _, 1); + + // Returns a function, that, when invoked, will only be triggered at most once + // during a given window of time. Normally, the throttled function will run + // as much as it can, without ever going more than once per `wait` duration; + // but if you'd like to disable the execution on the leading edge, pass + // `{leading: false}`. To disable execution on the trailing edge, ditto. + _.throttle = function(func, wait, options) { + var context, args, result; + var timeout = null; + var previous = 0; + if (!options) options = {}; + var later = function() { + previous = options.leading === false ? 0 : _.now(); + timeout = null; + result = func.apply(context, args); + if (!timeout) context = args = null; + }; + return function() { + var now = _.now(); + if (!previous && options.leading === false) previous = now; + var remaining = wait - (now - previous); + context = this; + args = arguments; + if (remaining <= 0 || remaining > wait) { + if (timeout) { + clearTimeout(timeout); + timeout = null; + } + previous = now; + result = func.apply(context, args); + if (!timeout) context = args = null; + } else if (!timeout && options.trailing !== false) { + timeout = setTimeout(later, remaining); + } + return result; + }; + }; + + // Returns a function, that, as long as it continues to be invoked, will not + // be triggered. The function will be called after it stops being called for + // N milliseconds. If `immediate` is passed, trigger the function on the + // leading edge, instead of the trailing. + _.debounce = function(func, wait, immediate) { + var timeout, args, context, timestamp, result; + + var later = function() { + var last = _.now() - timestamp; + + if (last < wait && last >= 0) { + timeout = setTimeout(later, wait - last); + } else { + timeout = null; + if (!immediate) { + result = func.apply(context, args); + if (!timeout) context = args = null; + } + } + }; + + return function() { + context = this; + args = arguments; + timestamp = _.now(); + var callNow = immediate && !timeout; + if (!timeout) timeout = setTimeout(later, wait); + if (callNow) { + result = func.apply(context, args); + context = args = null; + } + + return result; + }; + }; + + // Returns the first function passed as an argument to the second, + // allowing you to adjust arguments, run code before and after, and + // conditionally execute the original function. + _.wrap = function(func, wrapper) { + return _.partial(wrapper, func); + }; + + // Returns a negated version of the passed-in predicate. + _.negate = function(predicate) { + return function() { + return !predicate.apply(this, arguments); + }; + }; + + // Returns a function that is the composition of a list of functions, each + // consuming the return value of the function that follows. + _.compose = function() { + var args = arguments; + var start = args.length - 1; + return function() { + var i = start; + var result = args[start].apply(this, arguments); + while (i--) result = args[i].call(this, result); + return result; + }; + }; + + // Returns a function that will only be executed on and after the Nth call. + _.after = function(times, func) { + return function() { + if (--times < 1) { + return func.apply(this, arguments); + } + }; + }; + + // Returns a function that will only be executed up to (but not including) the Nth call. + _.before = function(times, func) { + var memo; + return function() { + if (--times > 0) { + memo = func.apply(this, arguments); + } + if (times <= 1) func = null; + return memo; + }; + }; + + // Returns a function that will be executed at most one time, no matter how + // often you call it. Useful for lazy initialization. + _.once = _.partial(_.before, 2); + + // Object Functions + // ---------------- + + // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. + var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); + var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', + 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; + + function collectNonEnumProps(obj, keys) { + var nonEnumIdx = nonEnumerableProps.length; + var constructor = obj.constructor; + var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto; + + // Constructor is a special case. + var prop = 'constructor'; + if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop); + + while (nonEnumIdx--) { + prop = nonEnumerableProps[nonEnumIdx]; + if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) { + keys.push(prop); + } + } + } + + // Retrieve the names of an object's own properties. + // Delegates to **ECMAScript 5**'s native `Object.keys` + _.keys = function(obj) { + if (!_.isObject(obj)) return []; + if (nativeKeys) return nativeKeys(obj); + var keys = []; + for (var key in obj) if (_.has(obj, key)) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve all the property names of an object. + _.allKeys = function(obj) { + if (!_.isObject(obj)) return []; + var keys = []; + for (var key in obj) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve the values of an object's properties. + _.values = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var values = Array(length); + for (var i = 0; i < length; i++) { + values[i] = obj[keys[i]]; + } + return values; + }; + + // Returns the results of applying the iteratee to each element of the object + // In contrast to _.map it returns an object + _.mapObject = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = _.keys(obj), + length = keys.length, + results = {}, + currentKey; + for (var index = 0; index < length; index++) { + currentKey = keys[index]; + results[currentKey] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Convert an object into a list of `[key, value]` pairs. + _.pairs = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var pairs = Array(length); + for (var i = 0; i < length; i++) { + pairs[i] = [keys[i], obj[keys[i]]]; + } + return pairs; + }; + + // Invert the keys and values of an object. The values must be serializable. + _.invert = function(obj) { + var result = {}; + var keys = _.keys(obj); + for (var i = 0, length = keys.length; i < length; i++) { + result[obj[keys[i]]] = keys[i]; + } + return result; + }; + + // Return a sorted list of the function names available on the object. + // Aliased as `methods` + _.functions = _.methods = function(obj) { + var names = []; + for (var key in obj) { + if (_.isFunction(obj[key])) names.push(key); + } + return names.sort(); + }; + + // Extend a given object with all the properties in passed-in object(s). + _.extend = createAssigner(_.allKeys); + + // Assigns a given object with all the own properties in the passed-in object(s) + // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) + _.extendOwn = _.assign = createAssigner(_.keys); + + // Returns the first key on an object that passes a predicate test + _.findKey = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = _.keys(obj), key; + for (var i = 0, length = keys.length; i < length; i++) { + key = keys[i]; + if (predicate(obj[key], key, obj)) return key; + } + }; + + // Return a copy of the object only containing the whitelisted properties. + _.pick = function(object, oiteratee, context) { + var result = {}, obj = object, iteratee, keys; + if (obj == null) return result; + if (_.isFunction(oiteratee)) { + keys = _.allKeys(obj); + iteratee = optimizeCb(oiteratee, context); + } else { + keys = flatten(arguments, false, false, 1); + iteratee = function(value, key, obj) { return key in obj; }; + obj = Object(obj); + } + for (var i = 0, length = keys.length; i < length; i++) { + var key = keys[i]; + var value = obj[key]; + if (iteratee(value, key, obj)) result[key] = value; + } + return result; + }; + + // Return a copy of the object without the blacklisted properties. + _.omit = function(obj, iteratee, context) { + if (_.isFunction(iteratee)) { + iteratee = _.negate(iteratee); + } else { + var keys = _.map(flatten(arguments, false, false, 1), String); + iteratee = function(value, key) { + return !_.contains(keys, key); + }; + } + return _.pick(obj, iteratee, context); + }; + + // Fill in a given object with default properties. + _.defaults = createAssigner(_.allKeys, true); + + // Creates an object that inherits from the given prototype object. + // If additional properties are provided then they will be added to the + // created object. + _.create = function(prototype, props) { + var result = baseCreate(prototype); + if (props) _.extendOwn(result, props); + return result; + }; + + // Create a (shallow-cloned) duplicate of an object. + _.clone = function(obj) { + if (!_.isObject(obj)) return obj; + return _.isArray(obj) ? obj.slice() : _.extend({}, obj); + }; + + // Invokes interceptor with the obj, and then returns obj. + // The primary purpose of this method is to "tap into" a method chain, in + // order to perform operations on intermediate results within the chain. + _.tap = function(obj, interceptor) { + interceptor(obj); + return obj; + }; + + // Returns whether an object has a given set of `key:value` pairs. + _.isMatch = function(object, attrs) { + var keys = _.keys(attrs), length = keys.length; + if (object == null) return !length; + var obj = Object(object); + for (var i = 0; i < length; i++) { + var key = keys[i]; + if (attrs[key] !== obj[key] || !(key in obj)) return false; + } + return true; + }; + + + // Internal recursive comparison function for `isEqual`. + var eq = function(a, b, aStack, bStack) { + // Identical objects are equal. `0 === -0`, but they aren't identical. + // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal). + if (a === b) return a !== 0 || 1 / a === 1 / b; + // A strict comparison is necessary because `null == undefined`. + if (a == null || b == null) return a === b; + // Unwrap any wrapped objects. + if (a instanceof _) a = a._wrapped; + if (b instanceof _) b = b._wrapped; + // Compare `[[Class]]` names. + var className = toString.call(a); + if (className !== toString.call(b)) return false; + switch (className) { + // Strings, numbers, regular expressions, dates, and booleans are compared by value. + case '[object RegExp]': + // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i') + case '[object String]': + // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is + // equivalent to `new String("5")`. + return '' + a === '' + b; + case '[object Number]': + // `NaN`s are equivalent, but non-reflexive. + // Object(NaN) is equivalent to NaN + if (+a !== +a) return +b !== +b; + // An `egal` comparison is performed for other numeric values. + return +a === 0 ? 1 / +a === 1 / b : +a === +b; + case '[object Date]': + case '[object Boolean]': + // Coerce dates and booleans to numeric primitive values. Dates are compared by their + // millisecond representations. Note that invalid dates with millisecond representations + // of `NaN` are not equivalent. + return +a === +b; + } + + var areArrays = className === '[object Array]'; + if (!areArrays) { + if (typeof a != 'object' || typeof b != 'object') return false; + + // Objects with different constructors are not equivalent, but `Object`s or `Array`s + // from different frames are. + var aCtor = a.constructor, bCtor = b.constructor; + if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor && + _.isFunction(bCtor) && bCtor instanceof bCtor) + && ('constructor' in a && 'constructor' in b)) { + return false; + } + } + // Assume equality for cyclic structures. The algorithm for detecting cyclic + // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. + + // Initializing stack of traversed objects. + // It's done here since we only need them for objects and arrays comparison. + aStack = aStack || []; + bStack = bStack || []; + var length = aStack.length; + while (length--) { + // Linear search. Performance is inversely proportional to the number of + // unique nested structures. + if (aStack[length] === a) return bStack[length] === b; + } + + // Add the first object to the stack of traversed objects. + aStack.push(a); + bStack.push(b); + + // Recursively compare objects and arrays. + if (areArrays) { + // Compare array lengths to determine if a deep comparison is necessary. + length = a.length; + if (length !== b.length) return false; + // Deep compare the contents, ignoring non-numeric properties. + while (length--) { + if (!eq(a[length], b[length], aStack, bStack)) return false; + } + } else { + // Deep compare objects. + var keys = _.keys(a), key; + length = keys.length; + // Ensure that both objects contain the same number of properties before comparing deep equality. + if (_.keys(b).length !== length) return false; + while (length--) { + // Deep compare each member + key = keys[length]; + if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false; + } + } + // Remove the first object from the stack of traversed objects. + aStack.pop(); + bStack.pop(); + return true; + }; + + // Perform a deep comparison to check if two objects are equal. + _.isEqual = function(a, b) { + return eq(a, b); + }; + + // Is a given array, string, or object empty? + // An "empty" object has no enumerable own-properties. + _.isEmpty = function(obj) { + if (obj == null) return true; + if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0; + return _.keys(obj).length === 0; + }; + + // Is a given value a DOM element? + _.isElement = function(obj) { + return !!(obj && obj.nodeType === 1); + }; + + // Is a given value an array? + // Delegates to ECMA5's native Array.isArray + _.isArray = nativeIsArray || function(obj) { + return toString.call(obj) === '[object Array]'; + }; + + // Is a given variable an object? + _.isObject = function(obj) { + var type = typeof obj; + return type === 'function' || type === 'object' && !!obj; + }; + + // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError. + _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) { + _['is' + name] = function(obj) { + return toString.call(obj) === '[object ' + name + ']'; + }; + }); + + // Define a fallback version of the method in browsers (ahem, IE < 9), where + // there isn't any inspectable "Arguments" type. + if (!_.isArguments(arguments)) { + _.isArguments = function(obj) { + return _.has(obj, 'callee'); + }; + } + + // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8, + // IE 11 (#1621), and in Safari 8 (#1929). + if (typeof /./ != 'function' && typeof Int8Array != 'object') { + _.isFunction = function(obj) { + return typeof obj == 'function' || false; + }; + } + + // Is a given object a finite number? + _.isFinite = function(obj) { + return isFinite(obj) && !isNaN(parseFloat(obj)); + }; + + // Is the given value `NaN`? (NaN is the only number which does not equal itself). + _.isNaN = function(obj) { + return _.isNumber(obj) && obj !== +obj; + }; + + // Is a given value a boolean? + _.isBoolean = function(obj) { + return obj === true || obj === false || toString.call(obj) === '[object Boolean]'; + }; + + // Is a given value equal to null? + _.isNull = function(obj) { + return obj === null; + }; + + // Is a given variable undefined? + _.isUndefined = function(obj) { + return obj === void 0; + }; + + // Shortcut function for checking if an object has a given property directly + // on itself (in other words, not on a prototype). + _.has = function(obj, key) { + return obj != null && hasOwnProperty.call(obj, key); + }; + + // Utility Functions + // ----------------- + + // Run Underscore.js in *noConflict* mode, returning the `_` variable to its + // previous owner. Returns a reference to the Underscore object. + _.noConflict = function() { + root._ = previousUnderscore; + return this; + }; + + // Keep the identity function around for default iteratees. + _.identity = function(value) { + return value; + }; + + // Predicate-generating functions. Often useful outside of Underscore. + _.constant = function(value) { + return function() { + return value; + }; + }; + + _.noop = function(){}; + + _.property = property; + + // Generates a function for a given object that returns a given property. + _.propertyOf = function(obj) { + return obj == null ? function(){} : function(key) { + return obj[key]; + }; + }; + + // Returns a predicate for checking whether an object has a given set of + // `key:value` pairs. + _.matcher = _.matches = function(attrs) { + attrs = _.extendOwn({}, attrs); + return function(obj) { + return _.isMatch(obj, attrs); + }; + }; + + // Run a function **n** times. + _.times = function(n, iteratee, context) { + var accum = Array(Math.max(0, n)); + iteratee = optimizeCb(iteratee, context, 1); + for (var i = 0; i < n; i++) accum[i] = iteratee(i); + return accum; + }; + + // Return a random integer between min and max (inclusive). + _.random = function(min, max) { + if (max == null) { + max = min; + min = 0; + } + return min + Math.floor(Math.random() * (max - min + 1)); + }; + + // A (possibly faster) way to get the current timestamp as an integer. + _.now = Date.now || function() { + return new Date().getTime(); + }; + + // List of HTML entities for escaping. + var escapeMap = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''', + '`': '`' + }; + var unescapeMap = _.invert(escapeMap); + + // Functions for escaping and unescaping strings to/from HTML interpolation. + var createEscaper = function(map) { + var escaper = function(match) { + return map[match]; + }; + // Regexes for identifying a key that needs to be escaped + var source = '(?:' + _.keys(map).join('|') + ')'; + var testRegexp = RegExp(source); + var replaceRegexp = RegExp(source, 'g'); + return function(string) { + string = string == null ? '' : '' + string; + return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string; + }; + }; + _.escape = createEscaper(escapeMap); + _.unescape = createEscaper(unescapeMap); + + // If the value of the named `property` is a function then invoke it with the + // `object` as context; otherwise, return it. + _.result = function(object, property, fallback) { + var value = object == null ? void 0 : object[property]; + if (value === void 0) { + value = fallback; + } + return _.isFunction(value) ? value.call(object) : value; + }; + + // Generate a unique integer id (unique within the entire client session). + // Useful for temporary DOM ids. + var idCounter = 0; + _.uniqueId = function(prefix) { + var id = ++idCounter + ''; + return prefix ? prefix + id : id; + }; + + // By default, Underscore uses ERB-style template delimiters, change the + // following template settings to use alternative delimiters. + _.templateSettings = { + evaluate : /<%([\s\S]+?)%>/g, + interpolate : /<%=([\s\S]+?)%>/g, + escape : /<%-([\s\S]+?)%>/g + }; + + // When customizing `templateSettings`, if you don't want to define an + // interpolation, evaluation or escaping regex, we need one that is + // guaranteed not to match. + var noMatch = /(.)^/; + + // Certain characters need to be escaped so that they can be put into a + // string literal. + var escapes = { + "'": "'", + '\\': '\\', + '\r': 'r', + '\n': 'n', + '\u2028': 'u2028', + '\u2029': 'u2029' + }; + + var escaper = /\\|'|\r|\n|\u2028|\u2029/g; + + var escapeChar = function(match) { + return '\\' + escapes[match]; + }; + + // JavaScript micro-templating, similar to John Resig's implementation. + // Underscore templating handles arbitrary delimiters, preserves whitespace, + // and correctly escapes quotes within interpolated code. + // NB: `oldSettings` only exists for backwards compatibility. + _.template = function(text, settings, oldSettings) { + if (!settings && oldSettings) settings = oldSettings; + settings = _.defaults({}, settings, _.templateSettings); + + // Combine delimiters into one regular expression via alternation. + var matcher = RegExp([ + (settings.escape || noMatch).source, + (settings.interpolate || noMatch).source, + (settings.evaluate || noMatch).source + ].join('|') + '|$', 'g'); + + // Compile the template source, escaping string literals appropriately. + var index = 0; + var source = "__p+='"; + text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { + source += text.slice(index, offset).replace(escaper, escapeChar); + index = offset + match.length; + + if (escape) { + source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; + } else if (interpolate) { + source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; + } else if (evaluate) { + source += "';\n" + evaluate + "\n__p+='"; + } + + // Adobe VMs need the match returned to produce the correct offest. + return match; + }); + source += "';\n"; + + // If a variable is not specified, place data values in local scope. + if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; + + source = "var __t,__p='',__j=Array.prototype.join," + + "print=function(){__p+=__j.call(arguments,'');};\n" + + source + 'return __p;\n'; + + try { + var render = new Function(settings.variable || 'obj', '_', source); + } catch (e) { + e.source = source; + throw e; + } + + var template = function(data) { + return render.call(this, data, _); + }; + + // Provide the compiled source as a convenience for precompilation. + var argument = settings.variable || 'obj'; + template.source = 'function(' + argument + '){\n' + source + '}'; + + return template; + }; + + // Add a "chain" function. Start chaining a wrapped Underscore object. + _.chain = function(obj) { + var instance = _(obj); + instance._chain = true; + return instance; + }; + + // OOP + // --------------- + // If Underscore is called as a function, it returns a wrapped object that + // can be used OO-style. This wrapper holds altered versions of all the + // underscore functions. Wrapped objects may be chained. + + // Helper function to continue chaining intermediate results. + var result = function(instance, obj) { + return instance._chain ? _(obj).chain() : obj; + }; + + // Add your own custom functions to the Underscore object. + _.mixin = function(obj) { + _.each(_.functions(obj), function(name) { + var func = _[name] = obj[name]; + _.prototype[name] = function() { + var args = [this._wrapped]; + push.apply(args, arguments); + return result(this, func.apply(_, args)); + }; + }); + }; + + // Add all of the Underscore functions to the wrapper object. + _.mixin(_); + + // Add all mutator Array functions to the wrapper. + _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + var obj = this._wrapped; + method.apply(obj, arguments); + if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0]; + return result(this, obj); + }; + }); + + // Add all accessor Array functions to the wrapper. + _.each(['concat', 'join', 'slice'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + return result(this, method.apply(this._wrapped, arguments)); + }; + }); + + // Extracts the result from a wrapped and chained object. + _.prototype.value = function() { + return this._wrapped; + }; + + // Provide unwrapping proxy for some methods used in engine operations + // such as arithmetic and JSON stringification. + _.prototype.valueOf = _.prototype.toJSON = _.prototype.value; + + _.prototype.toString = function() { + return '' + this._wrapped; + }; + + // AMD registration happens at the end for compatibility with AMD loaders + // that may not enforce next-turn semantics on modules. Even though general + // practice for AMD registration is to be anonymous, underscore registers + // as a named module because, like jQuery, it is a base library that is + // popular enough to be bundled in a third party lib, but not be part of + // an AMD load request. Those cases could generate an error when an + // anonymous define() is called outside of a loader request. + if (typeof define === 'function' && define.amd) { + define('underscore', [], function() { + return _; + }); + } +}.call(this)); + +},{}],26:[function(require,module,exports){ +arguments[4][19][0].apply(exports,arguments) +},{"dup":19}],27:[function(require,module,exports){ +module.exports = function isBuffer(arg) { + return arg && typeof arg === 'object' + && typeof arg.copy === 'function' + && typeof arg.fill === 'function' + && typeof arg.readUInt8 === 'function'; +} +},{}],28:[function(require,module,exports){ +(function (process,global){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global.process)) { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + if (process.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnviron; +exports.debuglog = function(set) { + if (isUndefined(debugEnviron)) + debugEnviron = process.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./support/isBuffer":27,"_process":24,"inherits":26}],29:[function(require,module,exports){ +// Returns a wrapper function that returns a wrapped callback +// The wrapper function should do some stuff, and return a +// presumably different callback function. +// This makes sure that own properties are retained, so that +// decorations and such are not lost along the way. +module.exports = wrappy +function wrappy (fn, cb) { + if (fn && cb) return wrappy(fn)(cb) + + if (typeof fn !== 'function') + throw new TypeError('need wrapper function') + + Object.keys(fn).forEach(function (k) { + wrapper[k] = fn[k] + }) + + return wrapper + + function wrapper() { + var args = new Array(arguments.length) + for (var i = 0; i < args.length; i++) { + args[i] = arguments[i] + } + var ret = fn.apply(this, args) + var cb = args[args.length-1] + if (typeof ret === 'function' && ret !== cb) { + Object.keys(cb).forEach(function (k) { + ret[k] = cb[k] + }) + } + return ret + } +} + +},{}]},{},[7])(7) +}); \ No newline at end of file diff --git a/v7.0.1/assets/javascripts/workers/search.fcfe8b6d.min.js b/v7.0.1/assets/javascripts/workers/search.fcfe8b6d.min.js new file mode 100644 index 0000000..32379fd --- /dev/null +++ b/v7.0.1/assets/javascripts/workers/search.fcfe8b6d.min.js @@ -0,0 +1,48 @@ +(()=>{var ge=Object.create;var z=Object.defineProperty;var ye=Object.getOwnPropertyDescriptor;var me=Object.getOwnPropertyNames,G=Object.getOwnPropertySymbols,ve=Object.getPrototypeOf,J=Object.prototype.hasOwnProperty,xe=Object.prototype.propertyIsEnumerable,Pe=Reflect.get,Ie=Reflect.set;var X=(t,e,r)=>e in t?z(t,e,{enumerable:!0,configurable:!0,writable:!0,value:r}):t[e]=r,Z=(t,e)=>{for(var r in e||(e={}))J.call(e,r)&&X(t,r,e[r]);if(G)for(var r of G(e))xe.call(e,r)&&X(t,r,e[r]);return t};var Se=t=>z(t,"__esModule",{value:!0});var K=(t,e)=>()=>(e||t((e={exports:{}}).exports,e),e.exports);var Qe=(t,e,r)=>{if(e&&typeof e=="object"||typeof e=="function")for(let n of me(e))!J.call(t,n)&&n!=="default"&&z(t,n,{get:()=>e[n],enumerable:!(r=ye(e,n))||r.enumerable});return t},W=t=>Qe(Se(z(t!=null?ge(ve(t)):{},"default",t&&t.__esModule&&"default"in t?{get:()=>t.default,enumerable:!0}:{value:t,enumerable:!0})),t);var U=(t,e,r)=>new Promise((n,i)=>{var s=u=>{try{a(r.next(u))}catch(c){i(c)}},o=u=>{try{a(r.throw(u))}catch(c){i(c)}},a=u=>u.done?n(u.value):Promise.resolve(u.value).then(s,o);a((r=r.apply(t,e)).next())});var re=K((ee,te)=>{/** + * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9 + * Copyright (C) 2020 Oliver Nightingale + * @license MIT + */(function(){var t=function(e){var r=new t.Builder;return r.pipeline.add(t.trimmer,t.stopWordFilter,t.stemmer),r.searchPipeline.add(t.stemmer),e.call(r,r),r.build()};t.version="2.3.9";/*! + * lunr.utils + * Copyright (C) 2020 Oliver Nightingale + */t.utils={},t.utils.warn=function(e){return function(r){e.console&&console.warn&&console.warn(r)}}(this),t.utils.asString=function(e){return e==null?"":e.toString()},t.utils.clone=function(e){if(e==null)return e;for(var r=Object.create(null),n=Object.keys(e),i=0;i0){var h=t.utils.clone(r)||{};h.position=[a,c],h.index=s.length,s.push(new t.Token(n.slice(a,o),h))}a=o+1}}return s},t.tokenizer.separator=/[\s\-]+/;/*! + * lunr.Pipeline + * Copyright (C) 2020 Oliver Nightingale + */t.Pipeline=function(){this._stack=[]},t.Pipeline.registeredFunctions=Object.create(null),t.Pipeline.registerFunction=function(e,r){r in this.registeredFunctions&&t.utils.warn("Overwriting existing registered function: "+r),e.label=r,t.Pipeline.registeredFunctions[e.label]=e},t.Pipeline.warnIfFunctionNotRegistered=function(e){var r=e.label&&e.label in this.registeredFunctions;r||t.utils.warn(`Function is not registered with pipeline. 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this.pos1&&(e.backup(),e.emit(t.QueryLexer.TERM)),e.ignore(),e.more())return t.QueryLexer.lexText},t.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.EDIT_DISTANCE),t.QueryLexer.lexText},t.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.BOOST),t.QueryLexer.lexText},t.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(t.QueryLexer.TERM)},t.QueryLexer.termSeparator=t.tokenizer.separator,t.QueryLexer.lexText=function(e){for(;;){var r=e.next();if(r==t.QueryLexer.EOS)return t.QueryLexer.lexEOS;if(r.charCodeAt(0)==92){e.escapeCharacter();continue}if(r==":")return t.QueryLexer.lexField;if(r=="~")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexEditDistance;if(r=="^")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexBoost;if(r=="+"&&e.width()===1||r=="-"&&e.width()===1)return e.emit(t.QueryLexer.PRESENCE),t.QueryLexer.lexText;if(r.match(t.QueryLexer.termSeparator))return t.QueryLexer.lexTerm}},t.QueryParser=function(e,r){this.lexer=new t.QueryLexer(e),this.query=r,this.currentClause={},this.lexemeIdx=0},t.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=t.QueryParser.parseClause;e;)e=e(this);return this.query},t.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},t.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},t.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},t.QueryParser.parseClause=function(e){var r=e.peekLexeme();if(r!=null)switch(r.type){case t.QueryLexer.PRESENCE:return t.QueryParser.parsePresence;case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(n+=" with value '"+r.str+"'"),new t.QueryParseError(n,r.start,r.end)}},t.QueryParser.parsePresence=function(e){var r=e.consumeLexeme();if(r!=null){switch(r.str){case"-":e.currentClause.presence=t.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=t.Query.presence.REQUIRED;break;default:var n="unrecognised presence operator'"+r.str+"'";throw new t.QueryParseError(n,r.start,r.end)}var i=e.peekLexeme();if(i==null){var n="expecting term or field, found nothing";throw new t.QueryParseError(n,r.start,r.end)}switch(i.type){case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expecting term or field, found '"+i.type+"'";throw new t.QueryParseError(n,i.start,i.end)}}},t.QueryParser.parseField=function(e){var r=e.consumeLexeme();if(r!=null){if(e.query.allFields.indexOf(r.str)==-1){var n=e.query.allFields.map(function(o){return"'"+o+"'"}).join(", "),i="unrecognised field '"+r.str+"', possible fields: "+n;throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.fields=[r.str];var s=e.peekLexeme();if(s==null){var i="expecting term, found nothing";throw new t.QueryParseError(i,r.start,r.end)}switch(s.type){case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var i="expecting term, found '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseTerm=function(e){var r=e.consumeLexeme();if(r!=null){e.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(n==null){e.nextClause();return}switch(n.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+n.type+"'";throw new t.QueryParseError(i,n.start,n.end)}}},t.QueryParser.parseEditDistance=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="edit distance must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.editDistance=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseBoost=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="boost must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.boost=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},function(e,r){typeof define=="function"&&define.amd?define(r):typeof ee=="object"?te.exports=r():e.lunr=r()}(this,function(){return t})})()});var H=K((Te,ne)=>{/*! + * escape-html + * Copyright(c) 2012-2013 TJ Holowaychuk + * Copyright(c) 2015 Andreas Lubbe + * Copyright(c) 2015 Tiancheng "Timothy" Gu + * MIT Licensed + */"use strict";var be=/["'&<>]/;ne.exports=we;function we(t){var e=""+t,r=be.exec(e);if(!r)return e;var n,i="",s=0,o=0;for(s=r.index;s`${s}${o}`;return i=>{i=i.replace(/[\s*+\-:~^]+/g," ").trim();let s=new RegExp(`(^|${t.separator})(${i.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(r,"|")})`,"img");return o=>(e?(0,oe.default)(o):o).replace(s,n).replace(/<\/mark>(\s+)]*>/img,"$1")}}function ue(t){let e=new lunr.Query(["title","text"]);return new lunr.QueryParser(t,e).parse(),e.clauses}function ce(t,e){let r=new Set(t),n={};for(let i=0;i!n.has(i)))]}var q=class{constructor({config:e,docs:r,index:n,options:i}){this.options=i,this.documents=se(r),this.highlight=ae(e,!1),lunr.tokenizer.separator=new RegExp(e.separator),typeof n=="undefined"?this.index=lunr(function(){e.lang.length===1&&e.lang[0]!=="en"?this.use(lunr[e.lang[0]]):e.lang.length>1&&this.use(lunr.multiLanguage(...e.lang));let s=Le(["trimmer","stopWordFilter","stemmer"],i.pipeline);for(let o of e.lang.map(a=>a==="en"?lunr:lunr[a]))for(let a of s)this.pipeline.remove(o[a]),this.searchPipeline.remove(o[a]);this.ref("location"),this.field("title",{boost:1e3}),this.field("text");for(let o of r)this.add(o)}):this.index=lunr.Index.load(n)}search(e){if(e)try{let r=this.highlight(e),n=ue(e).filter(o=>o.presence!==lunr.Query.presence.PROHIBITED),i=this.index.search(`${e}*`).reduce((o,{ref:a,score:u,matchData:c})=>{let h=this.documents.get(a);if(typeof h!="undefined"){let{location:y,title:g,text:b,parent:v}=h,Q=ce(n,Object.keys(c.metadata)),f=+!v+ +Object.values(Q).every(p=>p);o.push({location:y,title:r(g),text:r(b),score:u*(1+f),terms:Q})}return o},[]).sort((o,a)=>a.score-o.score).reduce((o,a)=>{let u=this.documents.get(a.location);if(typeof u!="undefined"){let c="parent"in u?u.parent.location:u.location;o.set(c,[...o.get(c)||[],a])}return o},new Map),s;if(this.options.suggestions){let o=this.index.query(a=>{for(let u of n)a.term(u.term,{fields:["title"],presence:lunr.Query.presence.REQUIRED,wildcard:lunr.Query.wildcard.TRAILING})});s=o.length?Object.keys(o[0].matchData.metadata):[]}return Z({items:[...i.values()]},typeof s!="undefined"&&{suggestions:s})}catch(r){console.warn(`Invalid query: ${e} \u2013 see https://bit.ly/2s3ChXG`)}return{items:[]}}};var T;(function(i){i[i.SETUP=0]="SETUP",i[i.READY=1]="READY",i[i.QUERY=2]="QUERY",i[i.RESULT=3]="RESULT"})(T||(T={}));var Y;function Ee(t){return U(this,null,function*(){let e="../lunr";if(typeof parent!="undefined"&&"IFrameWorker"in parent){let n=document.querySelector("script[src]"),[i]=n.src.split("/worker");e=e.replace("..",i)}let r=[];for(let n of t.lang){switch(n){case"ja":r.push(`${e}/tinyseg.js`);break;case"hi":case"th":r.push(`${e}/wordcut.js`);break}n!=="en"&&r.push(`${e}/min/lunr.${n}.min.js`)}t.lang.length>1&&r.push(`${e}/min/lunr.multi.min.js`),r.length&&(yield importScripts(`${e}/min/lunr.stemmer.support.min.js`,...r))})}function ke(t){return U(this,null,function*(){switch(t.type){case T.SETUP:return yield Ee(t.data.config),Y=new q(t.data),{type:T.READY};case T.QUERY:return{type:T.RESULT,data:Y?Y.search(t.data):{items:[]}};default:throw new TypeError("Invalid message type")}})}self.lunr=le.default;addEventListener("message",t=>U(void 0,null,function*(){postMessage(yield ke(t.data))}));})(); +//# sourceMappingURL=search.fcfe8b6d.min.js.map + diff --git a/v7.0.1/assets/javascripts/workers/search.fcfe8b6d.min.js.map b/v7.0.1/assets/javascripts/workers/search.fcfe8b6d.min.js.map new file mode 100644 index 0000000..83fb6ec --- /dev/null +++ b/v7.0.1/assets/javascripts/workers/search.fcfe8b6d.min.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["node_modules/lunr/lunr.js", "node_modules/escape-html/index.js", "src/assets/javascripts/integrations/search/worker/main/index.ts", "src/assets/javascripts/integrations/search/document/index.ts", "src/assets/javascripts/integrations/search/highlighter/index.ts", "src/assets/javascripts/integrations/search/query/_/index.ts", "src/assets/javascripts/integrations/search/_/index.ts", "src/assets/javascripts/integrations/search/worker/message/index.ts"], + "sourcesContent": ["/**\n * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9\n * Copyright (C) 2020 Oliver Nightingale\n * @license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n * this.field('title')\n * this.field('body')\n * this.ref('id')\n *\n * documents.forEach(function (doc) {\n * this.add(doc)\n * }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n var builder = new lunr.Builder\n\n builder.pipeline.add(\n lunr.trimmer,\n lunr.stopWordFilter,\n lunr.stemmer\n )\n\n builder.searchPipeline.add(\n lunr.stemmer\n )\n\n config.call(builder, builder)\n return builder.build()\n}\n\nlunr.version = \"2.3.9\"\n/*!\n * lunr.utils\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n /* eslint-disable no-console */\n return function (message) {\n if (global.console && console.warn) {\n console.warn(message)\n }\n }\n /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n if (obj === void 0 || obj === null) {\n return \"\"\n } else {\n return obj.toString()\n }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n if (obj === null || obj === undefined) {\n return obj\n }\n\n var clone = Object.create(null),\n keys = Object.keys(obj)\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i],\n val = obj[key]\n\n if (Array.isArray(val)) {\n clone[key] = val.slice()\n continue\n }\n\n if (typeof val === 'string' ||\n typeof val === 'number' ||\n typeof val === 'boolean') {\n clone[key] = val\n continue\n }\n\n throw new TypeError(\"clone is not deep and does not support nested objects\")\n }\n\n return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n this.docRef = docRef\n this.fieldName = fieldName\n this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n var n = s.indexOf(lunr.FieldRef.joiner)\n\n if (n === -1) {\n throw \"malformed field ref string\"\n }\n\n var fieldRef = s.slice(0, n),\n docRef = s.slice(n + 1)\n\n return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n if (this._stringValue == undefined) {\n this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n }\n\n return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n this.elements = Object.create(null)\n\n if (elements) {\n this.length = elements.length\n\n for (var i = 0; i < this.length; i++) {\n this.elements[elements[i]] = true\n }\n } else {\n this.length = 0\n }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n intersect: function (other) {\n return other\n },\n\n union: function () {\n return this\n },\n\n contains: function () {\n return true\n }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n intersect: function () {\n return this\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return false\n }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n var a, b, elements, intersection = []\n\n if (other === lunr.Set.complete) {\n return this\n }\n\n if (other === lunr.Set.empty) {\n return other\n }\n\n if (this.length < other.length) {\n a = this\n b = other\n } else {\n a = other\n b = this\n }\n\n elements = Object.keys(a.elements)\n\n for (var i = 0; i < elements.length; i++) {\n var element = elements[i]\n if (element in b.elements) {\n intersection.push(element)\n }\n }\n\n return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n if (other === lunr.Set.complete) {\n return lunr.Set.complete\n }\n\n if (other === lunr.Set.empty) {\n return this\n }\n\n return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n var documentsWithTerm = 0\n\n for (var fieldName in posting) {\n if (fieldName == '_index') continue // Ignore the term index, its not a field\n documentsWithTerm += Object.keys(posting[fieldName]).length\n }\n\n var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n this.str = str || \"\"\n this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n * return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n this.str = fn(this.str, this.metadata)\n return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n fn = fn || function (s) { return s }\n return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n if (obj == null || obj == undefined) {\n return []\n }\n\n if (Array.isArray(obj)) {\n return obj.map(function (t) {\n return new lunr.Token(\n lunr.utils.asString(t).toLowerCase(),\n lunr.utils.clone(metadata)\n )\n })\n }\n\n var str = obj.toString().toLowerCase(),\n len = str.length,\n tokens = []\n\n for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n var char = str.charAt(sliceEnd),\n sliceLength = sliceEnd - sliceStart\n\n if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n if (sliceLength > 0) {\n var tokenMetadata = lunr.utils.clone(metadata) || {}\n tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n tokenMetadata[\"index\"] = tokens.length\n\n tokens.push(\n new lunr.Token (\n str.slice(sliceStart, sliceEnd),\n tokenMetadata\n )\n )\n }\n\n sliceStart = sliceEnd + 1\n }\n\n }\n\n return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n if (label in this.registeredFunctions) {\n lunr.utils.warn('Overwriting existing registered function: ' + label)\n }\n\n fn.label = label\n lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n if (!isRegistered) {\n lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n var pipeline = new lunr.Pipeline\n\n serialised.forEach(function (fnName) {\n var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n if (fn) {\n pipeline.add(fn)\n } else {\n throw new Error('Cannot load unregistered function: ' + fnName)\n }\n })\n\n return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n var fns = Array.prototype.slice.call(arguments)\n\n fns.forEach(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n this._stack.push(fn)\n }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n pos = pos + 1\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n var pos = this._stack.indexOf(fn)\n if (pos == -1) {\n return\n }\n\n this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n var stackLength = this._stack.length\n\n for (var i = 0; i < stackLength; i++) {\n var fn = this._stack[i]\n var memo = []\n\n for (var j = 0; j < tokens.length; j++) {\n var result = fn(tokens[j], j, tokens)\n\n if (result === null || result === void 0 || result === '') continue\n\n if (Array.isArray(result)) {\n for (var k = 0; k < result.length; k++) {\n memo.push(result[k])\n }\n } else {\n memo.push(result)\n }\n }\n\n tokens = memo\n }\n\n return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n var token = new lunr.Token (str, metadata)\n\n return this.run([token]).map(function (t) {\n return t.toString()\n })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n return this._stack.map(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n return fn.label\n })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n this._magnitude = 0\n this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n // For an empty vector the tuple can be inserted at the beginning\n if (this.elements.length == 0) {\n return 0\n }\n\n var start = 0,\n end = this.elements.length / 2,\n sliceLength = end - start,\n pivotPoint = Math.floor(sliceLength / 2),\n pivotIndex = this.elements[pivotPoint * 2]\n\n while (sliceLength > 1) {\n if (pivotIndex < index) {\n start = pivotPoint\n }\n\n if (pivotIndex > index) {\n end = pivotPoint\n }\n\n if (pivotIndex == index) {\n break\n }\n\n sliceLength = end - start\n pivotPoint = start + Math.floor(sliceLength / 2)\n pivotIndex = this.elements[pivotPoint * 2]\n }\n\n if (pivotIndex == index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex > index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex < index) {\n return (pivotPoint + 1) * 2\n }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n this.upsert(insertIdx, val, function () {\n throw \"duplicate index\"\n })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n this._magnitude = 0\n var position = this.positionForIndex(insertIdx)\n\n if (this.elements[position] == insertIdx) {\n this.elements[position + 1] = fn(this.elements[position + 1], val)\n } else {\n this.elements.splice(position, 0, insertIdx, val)\n }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n if (this._magnitude) return this._magnitude\n\n var sumOfSquares = 0,\n elementsLength = this.elements.length\n\n for (var i = 1; i < elementsLength; i += 2) {\n var val = this.elements[i]\n sumOfSquares += val * val\n }\n\n return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n var dotProduct = 0,\n a = this.elements, b = otherVector.elements,\n aLen = a.length, bLen = b.length,\n aVal = 0, bVal = 0,\n i = 0, j = 0\n\n while (i < aLen && j < bLen) {\n aVal = a[i], bVal = b[j]\n if (aVal < bVal) {\n i += 2\n } else if (aVal > bVal) {\n j += 2\n } else if (aVal == bVal) {\n dotProduct += a[i + 1] * b[j + 1]\n i += 2\n j += 2\n }\n }\n\n return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n var output = new Array (this.elements.length / 2)\n\n for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n output[j] = this.elements[i]\n }\n\n return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2020 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n var step2list = {\n \"ational\" : \"ate\",\n \"tional\" : \"tion\",\n \"enci\" : \"ence\",\n \"anci\" : \"ance\",\n \"izer\" : \"ize\",\n \"bli\" : \"ble\",\n \"alli\" : \"al\",\n \"entli\" : \"ent\",\n \"eli\" : \"e\",\n \"ousli\" : \"ous\",\n \"ization\" : \"ize\",\n \"ation\" : \"ate\",\n \"ator\" : \"ate\",\n \"alism\" : \"al\",\n \"iveness\" : \"ive\",\n \"fulness\" : \"ful\",\n \"ousness\" : \"ous\",\n \"aliti\" : \"al\",\n \"iviti\" : \"ive\",\n \"biliti\" : \"ble\",\n \"logi\" : \"log\"\n },\n\n step3list = {\n \"icate\" : \"ic\",\n \"ative\" : \"\",\n \"alize\" : \"al\",\n \"iciti\" : \"ic\",\n \"ical\" : \"ic\",\n \"ful\" : \"\",\n \"ness\" : \"\"\n },\n\n c = \"[^aeiou]\", // consonant\n v = \"[aeiouy]\", // vowel\n C = c + \"[^aeiouy]*\", // consonant sequence\n V = v + \"[aeiou]*\", // vowel sequence\n\n mgr0 = \"^(\" + C + \")?\" + V + C, // [C]VC... is m>0\n meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\", // [C]VC[V] is m=1\n mgr1 = \"^(\" + C + \")?\" + V + C + V + C, // [C]VCVC... is m>1\n s_v = \"^(\" + C + \")?\" + v; // vowel in stem\n\n var re_mgr0 = new RegExp(mgr0);\n var re_mgr1 = new RegExp(mgr1);\n var re_meq1 = new RegExp(meq1);\n var re_s_v = new RegExp(s_v);\n\n var re_1a = /^(.+?)(ss|i)es$/;\n var re2_1a = /^(.+?)([^s])s$/;\n var re_1b = /^(.+?)eed$/;\n var re2_1b = /^(.+?)(ed|ing)$/;\n var re_1b_2 = /.$/;\n var re2_1b_2 = /(at|bl|iz)$/;\n var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var re_1c = /^(.+?[^aeiou])y$/;\n var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n var re_5 = /^(.+?)e$/;\n var re_5_1 = /ll$/;\n var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var porterStemmer = function porterStemmer(w) {\n var stem,\n suffix,\n firstch,\n re,\n re2,\n re3,\n re4;\n\n if (w.length < 3) { return w; }\n\n firstch = w.substr(0,1);\n if (firstch == \"y\") {\n w = firstch.toUpperCase() + w.substr(1);\n }\n\n // Step 1a\n re = re_1a\n re2 = re2_1a;\n\n if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n // Step 1b\n re = re_1b;\n re2 = re2_1b;\n if (re.test(w)) {\n var fp = re.exec(w);\n re = re_mgr0;\n if (re.test(fp[1])) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1];\n re2 = re_s_v;\n if (re2.test(stem)) {\n w = stem;\n re2 = re2_1b_2;\n re3 = re3_1b_2;\n re4 = re4_1b_2;\n if (re2.test(w)) { w = w + \"e\"; }\n else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n else if (re4.test(w)) { w = w + \"e\"; }\n }\n }\n\n // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n re = re_1c;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n w = stem + \"i\";\n }\n\n // Step 2\n re = re_2;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step2list[suffix];\n }\n }\n\n // Step 3\n re = re_3;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step3list[suffix];\n }\n }\n\n // Step 4\n re = re_4;\n re2 = re2_4;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n if (re.test(stem)) {\n w = stem;\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1] + fp[2];\n re2 = re_mgr1;\n if (re2.test(stem)) {\n w = stem;\n }\n }\n\n // Step 5\n re = re_5;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n re2 = re_meq1;\n re3 = re3_5;\n if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n w = stem;\n }\n }\n\n re = re_5_1;\n re2 = re_mgr1;\n if (re.test(w) && re2.test(w)) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n\n // and turn initial Y back to y\n\n if (firstch == \"y\") {\n w = firstch.toLowerCase() + w.substr(1);\n }\n\n return w;\n };\n\n return function (token) {\n return token.update(porterStemmer);\n }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n var words = stopWords.reduce(function (memo, stopWord) {\n memo[stopWord] = stopWord\n return memo\n }, {})\n\n return function (token) {\n if (token && words[token.toString()] !== token.toString()) return token\n }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n 'a',\n 'able',\n 'about',\n 'across',\n 'after',\n 'all',\n 'almost',\n 'also',\n 'am',\n 'among',\n 'an',\n 'and',\n 'any',\n 'are',\n 'as',\n 'at',\n 'be',\n 'because',\n 'been',\n 'but',\n 'by',\n 'can',\n 'cannot',\n 'could',\n 'dear',\n 'did',\n 'do',\n 'does',\n 'either',\n 'else',\n 'ever',\n 'every',\n 'for',\n 'from',\n 'get',\n 'got',\n 'had',\n 'has',\n 'have',\n 'he',\n 'her',\n 'hers',\n 'him',\n 'his',\n 'how',\n 'however',\n 'i',\n 'if',\n 'in',\n 'into',\n 'is',\n 'it',\n 'its',\n 'just',\n 'least',\n 'let',\n 'like',\n 'likely',\n 'may',\n 'me',\n 'might',\n 'most',\n 'must',\n 'my',\n 'neither',\n 'no',\n 'nor',\n 'not',\n 'of',\n 'off',\n 'often',\n 'on',\n 'only',\n 'or',\n 'other',\n 'our',\n 'own',\n 'rather',\n 'said',\n 'say',\n 'says',\n 'she',\n 'should',\n 'since',\n 'so',\n 'some',\n 'than',\n 'that',\n 'the',\n 'their',\n 'them',\n 'then',\n 'there',\n 'these',\n 'they',\n 'this',\n 'tis',\n 'to',\n 'too',\n 'twas',\n 'us',\n 'wants',\n 'was',\n 'we',\n 'were',\n 'what',\n 'when',\n 'where',\n 'which',\n 'while',\n 'who',\n 'whom',\n 'why',\n 'will',\n 'with',\n 'would',\n 'yet',\n 'you',\n 'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n return token.update(function (s) {\n return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n this.final = false\n this.edges = {}\n this.id = lunr.TokenSet._nextId\n lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n var builder = new lunr.TokenSet.Builder\n\n for (var i = 0, len = arr.length; i < len; i++) {\n builder.insert(arr[i])\n }\n\n builder.finish()\n return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n if ('editDistance' in clause) {\n return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n } else {\n return lunr.TokenSet.fromString(clause.term)\n }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n var root = new lunr.TokenSet\n\n var stack = [{\n node: root,\n editsRemaining: editDistance,\n str: str\n }]\n\n while (stack.length) {\n var frame = stack.pop()\n\n // no edit\n if (frame.str.length > 0) {\n var char = frame.str.charAt(0),\n noEditNode\n\n if (char in frame.node.edges) {\n noEditNode = frame.node.edges[char]\n } else {\n noEditNode = new lunr.TokenSet\n frame.node.edges[char] = noEditNode\n }\n\n if (frame.str.length == 1) {\n noEditNode.final = true\n }\n\n stack.push({\n node: noEditNode,\n editsRemaining: frame.editsRemaining,\n str: frame.str.slice(1)\n })\n }\n\n if (frame.editsRemaining == 0) {\n continue\n }\n\n // insertion\n if (\"*\" in frame.node.edges) {\n var insertionNode = frame.node.edges[\"*\"]\n } else {\n var insertionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = insertionNode\n }\n\n if (frame.str.length == 0) {\n insertionNode.final = true\n }\n\n stack.push({\n node: insertionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str\n })\n\n // deletion\n // can only do a deletion if we have enough edits remaining\n // and if there are characters left to delete in the string\n if (frame.str.length > 1) {\n stack.push({\n node: frame.node,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // deletion\n // just removing the last character from the str\n if (frame.str.length == 1) {\n frame.node.final = true\n }\n\n // substitution\n // can only do a substitution if we have enough edits remaining\n // and if there are characters left to substitute\n if (frame.str.length >= 1) {\n if (\"*\" in frame.node.edges) {\n var substitutionNode = frame.node.edges[\"*\"]\n } else {\n var substitutionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = substitutionNode\n }\n\n if (frame.str.length == 1) {\n substitutionNode.final = true\n }\n\n stack.push({\n node: substitutionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // transposition\n // can only do a transposition if there are edits remaining\n // and there are enough characters to transpose\n if (frame.str.length > 1) {\n var charA = frame.str.charAt(0),\n charB = frame.str.charAt(1),\n transposeNode\n\n if (charB in frame.node.edges) {\n transposeNode = frame.node.edges[charB]\n } else {\n transposeNode = new lunr.TokenSet\n frame.node.edges[charB] = transposeNode\n }\n\n if (frame.str.length == 1) {\n transposeNode.final = true\n }\n\n stack.push({\n node: transposeNode,\n editsRemaining: frame.editsRemaining - 1,\n str: charA + frame.str.slice(2)\n })\n }\n }\n\n return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n var node = new lunr.TokenSet,\n root = node\n\n /*\n * Iterates through all characters within the passed string\n * appending a node for each character.\n *\n * When a wildcard character is found then a self\n * referencing edge is introduced to continually match\n * any number of any characters.\n */\n for (var i = 0, len = str.length; i < len; i++) {\n var char = str[i],\n final = (i == len - 1)\n\n if (char == \"*\") {\n node.edges[char] = node\n node.final = final\n\n } else {\n var next = new lunr.TokenSet\n next.final = final\n\n node.edges[char] = next\n node = next\n }\n }\n\n return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n var words = []\n\n var stack = [{\n prefix: \"\",\n node: this\n }]\n\n while (stack.length) {\n var frame = stack.pop(),\n edges = Object.keys(frame.node.edges),\n len = edges.length\n\n if (frame.node.final) {\n /* In Safari, at this point the prefix is sometimes corrupted, see:\n * https://github.com/olivernn/lunr.js/issues/279 Calling any\n * String.prototype method forces Safari to \"cast\" this string to what\n * it's supposed to be, fixing the bug. */\n frame.prefix.charAt(0)\n words.push(frame.prefix)\n }\n\n for (var i = 0; i < len; i++) {\n var edge = edges[i]\n\n stack.push({\n prefix: frame.prefix.concat(edge),\n node: frame.node.edges[edge]\n })\n }\n }\n\n return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n // NOTE: Using Object.keys here as this.edges is very likely\n // to enter 'hash-mode' with many keys being added\n //\n // avoiding a for-in loop here as it leads to the function\n // being de-optimised (at least in V8). From some simple\n // benchmarks the performance is comparable, but allowing\n // V8 to optimize may mean easy performance wins in the future.\n\n if (this._str) {\n return this._str\n }\n\n var str = this.final ? '1' : '0',\n labels = Object.keys(this.edges).sort(),\n len = labels.length\n\n for (var i = 0; i < len; i++) {\n var label = labels[i],\n node = this.edges[label]\n\n str = str + label + node.id\n }\n\n return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n var output = new lunr.TokenSet,\n frame = undefined\n\n var stack = [{\n qNode: b,\n output: output,\n node: this\n }]\n\n while (stack.length) {\n frame = stack.pop()\n\n // NOTE: As with the #toString method, we are using\n // Object.keys and a for loop instead of a for-in loop\n // as both of these objects enter 'hash' mode, causing\n // the function to be de-optimised in V8\n var qEdges = Object.keys(frame.qNode.edges),\n qLen = qEdges.length,\n nEdges = Object.keys(frame.node.edges),\n nLen = nEdges.length\n\n for (var q = 0; q < qLen; q++) {\n var qEdge = qEdges[q]\n\n for (var n = 0; n < nLen; n++) {\n var nEdge = nEdges[n]\n\n if (nEdge == qEdge || qEdge == '*') {\n var node = frame.node.edges[nEdge],\n qNode = frame.qNode.edges[qEdge],\n final = node.final && qNode.final,\n next = undefined\n\n if (nEdge in frame.output.edges) {\n // an edge already exists for this character\n // no need to create a new node, just set the finality\n // bit unless this node is already final\n next = frame.output.edges[nEdge]\n next.final = next.final || final\n\n } else {\n // no edge exists yet, must create one\n // set the finality bit and insert it\n // into the output\n next = new lunr.TokenSet\n next.final = final\n frame.output.edges[nEdge] = next\n }\n\n stack.push({\n qNode: qNode,\n output: next,\n node: node\n })\n }\n }\n }\n }\n\n return output\n}\nlunr.TokenSet.Builder = function () {\n this.previousWord = \"\"\n this.root = new lunr.TokenSet\n this.uncheckedNodes = []\n this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n var node,\n commonPrefix = 0\n\n if (word < this.previousWord) {\n throw new Error (\"Out of order word insertion\")\n }\n\n for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n if (word[i] != this.previousWord[i]) break\n commonPrefix++\n }\n\n this.minimize(commonPrefix)\n\n if (this.uncheckedNodes.length == 0) {\n node = this.root\n } else {\n node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n }\n\n for (var i = commonPrefix; i < word.length; i++) {\n var nextNode = new lunr.TokenSet,\n char = word[i]\n\n node.edges[char] = nextNode\n\n this.uncheckedNodes.push({\n parent: node,\n char: char,\n child: nextNode\n })\n\n node = nextNode\n }\n\n node.final = true\n this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n var node = this.uncheckedNodes[i],\n childKey = node.child.toString()\n\n if (childKey in this.minimizedNodes) {\n node.parent.edges[node.char] = this.minimizedNodes[childKey]\n } else {\n // Cache the key for this node since\n // we know it can't change anymore\n node.child._str = childKey\n\n this.minimizedNodes[childKey] = node.child\n }\n\n this.uncheckedNodes.pop()\n }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n this.invertedIndex = attrs.invertedIndex\n this.fieldVectors = attrs.fieldVectors\n this.tokenSet = attrs.tokenSet\n this.fields = attrs.fields\n this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example Simple single term query\n * hello\n * @example Multiple term query\n * hello world\n * @example term scoped to a field\n * title:hello\n * @example term with a boost of 10\n * hello^10\n * @example term with an edit distance of 2\n * hello~2\n * @example terms with presence modifiers\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first. For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n return this.query(function (query) {\n var parser = new lunr.QueryParser(queryString, query)\n parser.parse()\n })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n // for each query clause\n // * process terms\n // * expand terms from token set\n // * find matching documents and metadata\n // * get document vectors\n // * score documents\n\n var query = new lunr.Query(this.fields),\n matchingFields = Object.create(null),\n queryVectors = Object.create(null),\n termFieldCache = Object.create(null),\n requiredMatches = Object.create(null),\n prohibitedMatches = Object.create(null)\n\n /*\n * To support field level boosts a query vector is created per\n * field. An empty vector is eagerly created to support negated\n * queries.\n */\n for (var i = 0; i < this.fields.length; i++) {\n queryVectors[this.fields[i]] = new lunr.Vector\n }\n\n fn.call(query, query)\n\n for (var i = 0; i < query.clauses.length; i++) {\n /*\n * Unless the pipeline has been disabled for this term, which is\n * the case for terms with wildcards, we need to pass the clause\n * term through the search pipeline. A pipeline returns an array\n * of processed terms. Pipeline functions may expand the passed\n * term, which means we may end up performing multiple index lookups\n * for a single query term.\n */\n var clause = query.clauses[i],\n terms = null,\n clauseMatches = lunr.Set.empty\n\n if (clause.usePipeline) {\n terms = this.pipeline.runString(clause.term, {\n fields: clause.fields\n })\n } else {\n terms = [clause.term]\n }\n\n for (var m = 0; m < terms.length; m++) {\n var term = terms[m]\n\n /*\n * Each term returned from the pipeline needs to use the same query\n * clause object, e.g. the same boost and or edit distance. The\n * simplest way to do this is to re-use the clause object but mutate\n * its term property.\n */\n clause.term = term\n\n /*\n * From the term in the clause we create a token set which will then\n * be used to intersect the indexes token set to get a list of terms\n * to lookup in the inverted index\n */\n var termTokenSet = lunr.TokenSet.fromClause(clause),\n expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n /*\n * If a term marked as required does not exist in the tokenSet it is\n * impossible for the search to return any matches. We set all the field\n * scoped required matches set to empty and stop examining any further\n * clauses.\n */\n if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = lunr.Set.empty\n }\n\n break\n }\n\n for (var j = 0; j < expandedTerms.length; j++) {\n /*\n * For each term get the posting and termIndex, this is required for\n * building the query vector.\n */\n var expandedTerm = expandedTerms[j],\n posting = this.invertedIndex[expandedTerm],\n termIndex = posting._index\n\n for (var k = 0; k < clause.fields.length; k++) {\n /*\n * For each field that this query term is scoped by (by default\n * all fields are in scope) we need to get all the document refs\n * that have this term in that field.\n *\n * The posting is the entry in the invertedIndex for the matching\n * term from above.\n */\n var field = clause.fields[k],\n fieldPosting = posting[field],\n matchingDocumentRefs = Object.keys(fieldPosting),\n termField = expandedTerm + \"/\" + field,\n matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n /*\n * if the presence of this term is required ensure that the matching\n * documents are added to the set of required matches for this clause.\n *\n */\n if (clause.presence == lunr.Query.presence.REQUIRED) {\n clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n if (requiredMatches[field] === undefined) {\n requiredMatches[field] = lunr.Set.complete\n }\n }\n\n /*\n * if the presence of this term is prohibited ensure that the matching\n * documents are added to the set of prohibited matches for this field,\n * creating that set if it does not yet exist.\n */\n if (clause.presence == lunr.Query.presence.PROHIBITED) {\n if (prohibitedMatches[field] === undefined) {\n prohibitedMatches[field] = lunr.Set.empty\n }\n\n prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n /*\n * Prohibited matches should not be part of the query vector used for\n * similarity scoring and no metadata should be extracted so we continue\n * to the next field\n */\n continue\n }\n\n /*\n * The query field vector is populated using the termIndex found for\n * the term and a unit value with the appropriate boost applied.\n * Using upsert because there could already be an entry in the vector\n * for the term we are working with. In that case we just add the scores\n * together.\n */\n queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n /**\n * If we've already seen this term, field combo then we've already collected\n * the matching documents and metadata, no need to go through all that again\n */\n if (termFieldCache[termField]) {\n continue\n }\n\n for (var l = 0; l < matchingDocumentRefs.length; l++) {\n /*\n * All metadata for this term/field/document triple\n * are then extracted and collected into an instance\n * of lunr.MatchData ready to be returned in the query\n * results\n */\n var matchingDocumentRef = matchingDocumentRefs[l],\n matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n metadata = fieldPosting[matchingDocumentRef],\n fieldMatch\n\n if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n } else {\n fieldMatch.add(expandedTerm, field, metadata)\n }\n\n }\n\n termFieldCache[termField] = true\n }\n }\n }\n\n /**\n * If the presence was required we need to update the requiredMatches field sets.\n * We do this after all fields for the term have collected their matches because\n * the clause terms presence is required in _any_ of the fields not _all_ of the\n * fields.\n */\n if (clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n }\n }\n }\n\n /**\n * Need to combine the field scoped required and prohibited\n * matching documents into a global set of required and prohibited\n * matches\n */\n var allRequiredMatches = lunr.Set.complete,\n allProhibitedMatches = lunr.Set.empty\n\n for (var i = 0; i < this.fields.length; i++) {\n var field = this.fields[i]\n\n if (requiredMatches[field]) {\n allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n }\n\n if (prohibitedMatches[field]) {\n allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n }\n }\n\n var matchingFieldRefs = Object.keys(matchingFields),\n results = [],\n matches = Object.create(null)\n\n /*\n * If the query is negated (contains only prohibited terms)\n * we need to get _all_ fieldRefs currently existing in the\n * index. This is only done when we know that the query is\n * entirely prohibited terms to avoid any cost of getting all\n * fieldRefs unnecessarily.\n *\n * Additionally, blank MatchData must be created to correctly\n * populate the results.\n */\n if (query.isNegated()) {\n matchingFieldRefs = Object.keys(this.fieldVectors)\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n var matchingFieldRef = matchingFieldRefs[i]\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n matchingFields[matchingFieldRef] = new lunr.MatchData\n }\n }\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n /*\n * Currently we have document fields that match the query, but we\n * need to return documents. The matchData and scores are combined\n * from multiple fields belonging to the same document.\n *\n * Scores are calculated by field, using the query vectors created\n * above, and combined into a final document score using addition.\n */\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n docRef = fieldRef.docRef\n\n if (!allRequiredMatches.contains(docRef)) {\n continue\n }\n\n if (allProhibitedMatches.contains(docRef)) {\n continue\n }\n\n var fieldVector = this.fieldVectors[fieldRef],\n score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n docMatch\n\n if ((docMatch = matches[docRef]) !== undefined) {\n docMatch.score += score\n docMatch.matchData.combine(matchingFields[fieldRef])\n } else {\n var match = {\n ref: docRef,\n score: score,\n matchData: matchingFields[fieldRef]\n }\n matches[docRef] = match\n results.push(match)\n }\n }\n\n /*\n * Sort the results objects by score, highest first.\n */\n return results.sort(function (a, b) {\n return b.score - a.score\n })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n var invertedIndex = Object.keys(this.invertedIndex)\n .sort()\n .map(function (term) {\n return [term, this.invertedIndex[term]]\n }, this)\n\n var fieldVectors = Object.keys(this.fieldVectors)\n .map(function (ref) {\n return [ref, this.fieldVectors[ref].toJSON()]\n }, this)\n\n return {\n version: lunr.version,\n fields: this.fields,\n fieldVectors: fieldVectors,\n invertedIndex: invertedIndex,\n pipeline: this.pipeline.toJSON()\n }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n var attrs = {},\n fieldVectors = {},\n serializedVectors = serializedIndex.fieldVectors,\n invertedIndex = Object.create(null),\n serializedInvertedIndex = serializedIndex.invertedIndex,\n tokenSetBuilder = new lunr.TokenSet.Builder,\n pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n if (serializedIndex.version != lunr.version) {\n lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n }\n\n for (var i = 0; i < serializedVectors.length; i++) {\n var tuple = serializedVectors[i],\n ref = tuple[0],\n elements = tuple[1]\n\n fieldVectors[ref] = new lunr.Vector(elements)\n }\n\n for (var i = 0; i < serializedInvertedIndex.length; i++) {\n var tuple = serializedInvertedIndex[i],\n term = tuple[0],\n posting = tuple[1]\n\n tokenSetBuilder.insert(term)\n invertedIndex[term] = posting\n }\n\n tokenSetBuilder.finish()\n\n attrs.fields = serializedIndex.fields\n\n attrs.fieldVectors = fieldVectors\n attrs.invertedIndex = invertedIndex\n attrs.tokenSet = tokenSetBuilder.root\n attrs.pipeline = pipeline\n\n return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2020 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n this._ref = \"id\"\n this._fields = Object.create(null)\n this._documents = Object.create(null)\n this.invertedIndex = Object.create(null)\n this.fieldTermFrequencies = {}\n this.fieldLengths = {}\n this.tokenizer = lunr.tokenizer\n this.pipeline = new lunr.Pipeline\n this.searchPipeline = new lunr.Pipeline\n this.documentCount = 0\n this._b = 0.75\n this._k1 = 1.2\n this.termIndex = 0\n this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example Extracting a nested field\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n if (/\\//.test(fieldName)) {\n throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n }\n\n this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n if (number < 0) {\n this._b = 0\n } else if (number > 1) {\n this._b = 1\n } else {\n this._b = number\n }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n var docRef = doc[this._ref],\n fields = Object.keys(this._fields)\n\n this._documents[docRef] = attributes || {}\n this.documentCount += 1\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i],\n extractor = this._fields[fieldName].extractor,\n field = extractor ? extractor(doc) : doc[fieldName],\n tokens = this.tokenizer(field, {\n fields: [fieldName]\n }),\n terms = this.pipeline.run(tokens),\n fieldRef = new lunr.FieldRef (docRef, fieldName),\n fieldTerms = Object.create(null)\n\n this.fieldTermFrequencies[fieldRef] = fieldTerms\n this.fieldLengths[fieldRef] = 0\n\n // store the length of this field for this document\n this.fieldLengths[fieldRef] += terms.length\n\n // calculate term frequencies for this field\n for (var j = 0; j < terms.length; j++) {\n var term = terms[j]\n\n if (fieldTerms[term] == undefined) {\n fieldTerms[term] = 0\n }\n\n fieldTerms[term] += 1\n\n // add to inverted index\n // create an initial posting if one doesn't exist\n if (this.invertedIndex[term] == undefined) {\n var posting = Object.create(null)\n posting[\"_index\"] = this.termIndex\n this.termIndex += 1\n\n for (var k = 0; k < fields.length; k++) {\n posting[fields[k]] = Object.create(null)\n }\n\n this.invertedIndex[term] = posting\n }\n\n // add an entry for this term/fieldName/docRef to the invertedIndex\n if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n }\n\n // store all whitelisted metadata about this token in the\n // inverted index\n for (var l = 0; l < this.metadataWhitelist.length; l++) {\n var metadataKey = this.metadataWhitelist[l],\n metadata = term.metadata[metadataKey]\n\n if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n }\n\n this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n }\n }\n\n }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n var fieldRefs = Object.keys(this.fieldLengths),\n numberOfFields = fieldRefs.length,\n accumulator = {},\n documentsWithField = {}\n\n for (var i = 0; i < numberOfFields; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n field = fieldRef.fieldName\n\n documentsWithField[field] || (documentsWithField[field] = 0)\n documentsWithField[field] += 1\n\n accumulator[field] || (accumulator[field] = 0)\n accumulator[field] += this.fieldLengths[fieldRef]\n }\n\n var fields = Object.keys(this._fields)\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i]\n accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n }\n\n this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n var fieldVectors = {},\n fieldRefs = Object.keys(this.fieldTermFrequencies),\n fieldRefsLength = fieldRefs.length,\n termIdfCache = Object.create(null)\n\n for (var i = 0; i < fieldRefsLength; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n fieldName = fieldRef.fieldName,\n fieldLength = this.fieldLengths[fieldRef],\n fieldVector = new lunr.Vector,\n termFrequencies = this.fieldTermFrequencies[fieldRef],\n terms = Object.keys(termFrequencies),\n termsLength = terms.length\n\n\n var fieldBoost = this._fields[fieldName].boost || 1,\n docBoost = this._documents[fieldRef.docRef].boost || 1\n\n for (var j = 0; j < termsLength; j++) {\n var term = terms[j],\n tf = termFrequencies[term],\n termIndex = this.invertedIndex[term]._index,\n idf, score, scoreWithPrecision\n\n if (termIdfCache[term] === undefined) {\n idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n termIdfCache[term] = idf\n } else {\n idf = termIdfCache[term]\n }\n\n score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n score *= fieldBoost\n score *= docBoost\n scoreWithPrecision = Math.round(score * 1000) / 1000\n // Converts 1.23456789 to 1.234.\n // Reducing the precision so that the vectors take up less\n // space when serialised. Doing it now so that they behave\n // the same before and after serialisation. Also, this is\n // the fastest approach to reducing a number's precision in\n // JavaScript.\n\n fieldVector.insert(termIndex, scoreWithPrecision)\n }\n\n fieldVectors[fieldRef] = fieldVector\n }\n\n this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n this.tokenSet = lunr.TokenSet.fromArray(\n Object.keys(this.invertedIndex).sort()\n )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n this.calculateAverageFieldLengths()\n this.createFieldVectors()\n this.createTokenSet()\n\n return new lunr.Index({\n invertedIndex: this.invertedIndex,\n fieldVectors: this.fieldVectors,\n tokenSet: this.tokenSet,\n fields: Object.keys(this._fields),\n pipeline: this.searchPipeline\n })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n var args = Array.prototype.slice.call(arguments, 1)\n args.unshift(this)\n fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n var clonedMetadata = Object.create(null),\n metadataKeys = Object.keys(metadata || {})\n\n // Cloning the metadata to prevent the original\n // being mutated during match data combination.\n // Metadata is kept in an array within the inverted\n // index so cloning the data can be done with\n // Array#slice\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n clonedMetadata[key] = metadata[key].slice()\n }\n\n this.metadata = Object.create(null)\n\n if (term !== undefined) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = clonedMetadata\n }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n var terms = Object.keys(otherMatchData.metadata)\n\n for (var i = 0; i < terms.length; i++) {\n var term = terms[i],\n fields = Object.keys(otherMatchData.metadata[term])\n\n if (this.metadata[term] == undefined) {\n this.metadata[term] = Object.create(null)\n }\n\n for (var j = 0; j < fields.length; j++) {\n var field = fields[j],\n keys = Object.keys(otherMatchData.metadata[term][field])\n\n if (this.metadata[term][field] == undefined) {\n this.metadata[term][field] = Object.create(null)\n }\n\n for (var k = 0; k < keys.length; k++) {\n var key = keys[k]\n\n if (this.metadata[term][field][key] == undefined) {\n this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n } else {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n }\n\n }\n }\n }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n if (!(term in this.metadata)) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = metadata\n return\n }\n\n if (!(field in this.metadata[term])) {\n this.metadata[term][field] = metadata\n return\n }\n\n var metadataKeys = Object.keys(metadata)\n\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n\n if (key in this.metadata[term][field]) {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n } else {\n this.metadata[term][field][key] = metadata[key]\n }\n }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n this.clauses = []\n this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with trailing wildcard\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example query term with leading and trailing wildcard\n * query.term('foo', {\n * wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with required presence\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n /**\n * Term's presence in a document is optional, this is the default value.\n */\n OPTIONAL: 1,\n\n /**\n * Term's presence in a document is required, documents that do not contain\n * this term will not be returned.\n */\n REQUIRED: 2,\n\n /**\n * Term's presence in a document is prohibited, documents that do contain\n * this term will not be returned.\n */\n PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n if (!('fields' in clause)) {\n clause.fields = this.allFields\n }\n\n if (!('boost' in clause)) {\n clause.boost = 1\n }\n\n if (!('usePipeline' in clause)) {\n clause.usePipeline = true\n }\n\n if (!('wildcard' in clause)) {\n clause.wildcard = lunr.Query.wildcard.NONE\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n clause.term = \"*\" + clause.term\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n clause.term = \"\" + clause.term + \"*\"\n }\n\n if (!('presence' in clause)) {\n clause.presence = lunr.Query.presence.OPTIONAL\n }\n\n this.clauses.push(clause)\n\n return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n for (var i = 0; i < this.clauses.length; i++) {\n if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n return false\n }\n }\n\n return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example adding a single term to a query\n * query.term(\"foo\")\n * @example adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard\n * query.term(\"foo\", {\n * fields: [\"title\"],\n * boost: 10,\n * wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example using lunr.tokenizer to convert a string to tokens before using them as terms\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n if (Array.isArray(term)) {\n term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n return this\n }\n\n var clause = options || {}\n clause.term = term.toString()\n\n this.clause(clause)\n\n return this\n}\nlunr.QueryParseError = function (message, start, end) {\n this.name = \"QueryParseError\"\n this.message = message\n this.start = start\n this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n this.lexemes = []\n this.str = str\n this.length = str.length\n this.pos = 0\n this.start = 0\n this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n var state = lunr.QueryLexer.lexText\n\n while (state) {\n state = state(this)\n }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n var subSlices = [],\n sliceStart = this.start,\n sliceEnd = this.pos\n\n for (var i = 0; i < this.escapeCharPositions.length; i++) {\n sliceEnd = this.escapeCharPositions[i]\n subSlices.push(this.str.slice(sliceStart, sliceEnd))\n sliceStart = sliceEnd + 1\n }\n\n subSlices.push(this.str.slice(sliceStart, this.pos))\n this.escapeCharPositions.length = 0\n\n return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n this.lexemes.push({\n type: type,\n str: this.sliceString(),\n start: this.start,\n end: this.pos\n })\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n this.escapeCharPositions.push(this.pos - 1)\n this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n if (this.pos >= this.length) {\n return lunr.QueryLexer.EOS\n }\n\n var char = this.str.charAt(this.pos)\n this.pos += 1\n return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n if (this.start == this.pos) {\n this.pos += 1\n }\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n var char, charCode\n\n do {\n char = this.next()\n charCode = char.charCodeAt(0)\n } while (charCode > 47 && charCode < 58)\n\n if (char != lunr.QueryLexer.EOS) {\n this.backup()\n }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.FIELD)\n lexer.ignore()\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n if (lexer.width() > 1) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.TERM)\n }\n\n lexer.ignore()\n\n if (lexer.more()) {\n return lunr.QueryLexer.lexText\n }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.BOOST)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n while (true) {\n var char = lexer.next()\n\n if (char == lunr.QueryLexer.EOS) {\n return lunr.QueryLexer.lexEOS\n }\n\n // Escape character is '\\'\n if (char.charCodeAt(0) == 92) {\n lexer.escapeCharacter()\n continue\n }\n\n if (char == \":\") {\n return lunr.QueryLexer.lexField\n }\n\n if (char == \"~\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexEditDistance\n }\n\n if (char == \"^\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexBoost\n }\n\n // \"+\" indicates term presence is required\n // checking for length to ensure that only\n // leading \"+\" are considered\n if (char == \"+\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n // \"-\" indicates term presence is prohibited\n // checking for length to ensure that only\n // leading \"-\" are considered\n if (char == \"-\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n if (char.match(lunr.QueryLexer.termSeparator)) {\n return lunr.QueryLexer.lexTerm\n }\n }\n}\n\nlunr.QueryParser = function (str, query) {\n this.lexer = new lunr.QueryLexer (str)\n this.query = query\n this.currentClause = {}\n this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n this.lexer.run()\n this.lexemes = this.lexer.lexemes\n\n var state = lunr.QueryParser.parseClause\n\n while (state) {\n state = state(this)\n }\n\n return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n var lexeme = this.peekLexeme()\n this.lexemeIdx += 1\n return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n var completedClause = this.currentClause\n this.query.clause(completedClause)\n this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n var lexeme = parser.peekLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.type) {\n case lunr.QueryLexer.PRESENCE:\n return lunr.QueryParser.parsePresence\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n if (lexeme.str.length >= 1) {\n errorMessage += \" with value '\" + lexeme.str + \"'\"\n }\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.str) {\n case \"-\":\n parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n break\n case \"+\":\n parser.currentClause.presence = lunr.Query.presence.REQUIRED\n break\n default:\n var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term or field, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.fields = [lexeme.str]\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n parser.currentClause.term = lexeme.str.toLowerCase()\n\n if (lexeme.str.indexOf(\"*\") != -1) {\n parser.currentClause.usePipeline = false\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var editDistance = parseInt(lexeme.str, 10)\n\n if (isNaN(editDistance)) {\n var errorMessage = \"edit distance must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.editDistance = editDistance\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var boost = parseInt(lexeme.str, 10)\n\n if (isNaN(boost)) {\n var errorMessage = \"boost must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.boost = boost\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\n /**\n * export the module via AMD, CommonJS or as a browser global\n * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n */\n ;(function (root, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory)\n } else if (typeof exports === 'object') {\n /**\n * Node. Does not work with strict CommonJS, but\n * only CommonJS-like enviroments that support module.exports,\n * like Node.\n */\n module.exports = factory()\n } else {\n // Browser globals (root is window)\n root.lunr = factory()\n }\n }(this, function () {\n /**\n * Just return a value to define the module export.\n * This example returns an object, but the module\n * can return a function as the exported value.\n */\n return lunr\n }))\n})();\n", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport lunr from \"lunr\"\n\nimport { Search, SearchIndexConfig } from \"../../_\"\nimport {\n SearchMessage,\n SearchMessageType\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Add support for usage with `iframe-worker` polyfill\n *\n * While `importScripts` is synchronous when executed inside of a web worker,\n * it's not possible to provide a synchronous polyfilled implementation. The\n * cool thing is that awaiting a non-Promise is a noop, so extending the type\n * definition to return a `Promise` shouldn't break anything.\n *\n * @see https://bit.ly/2PjDnXi - GitHub comment\n */\ndeclare global {\n function importScripts(...urls: string[]): Promise | void\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nlet index: Search\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch (= import) multi-language support through `lunr-languages`\n *\n * This function automatically imports the stemmers necessary to process the\n * languages, which are defined through the search index configuration.\n *\n * If the worker runs inside of an `iframe` (when using `iframe-worker` as\n * a shim), the base URL for the stemmers to be loaded must be determined by\n * searching for the first `script` element with a `src` attribute, which will\n * contain the contents of this script.\n *\n * @param config - Search index configuration\n *\n * @returns Promise resolving with no result\n */\nasync function setupSearchLanguages(\n config: SearchIndexConfig\n): Promise {\n let base = \"../lunr\"\n\n /* Detect `iframe-worker` and fix base URL */\n if (typeof parent !== \"undefined\" && \"IFrameWorker\" in parent) {\n const worker = document.querySelector(\"script[src]\")!\n const [path] = worker.src.split(\"/worker\")\n\n /* Prefix base with path */\n base = base.replace(\"..\", path)\n }\n\n /* Add scripts for languages */\n const scripts = []\n for (const lang of config.lang) {\n switch (lang) {\n\n /* Add segmenter for Japanese */\n case \"ja\":\n scripts.push(`${base}/tinyseg.js`)\n break\n\n /* Add segmenter for Hindi and Thai */\n case \"hi\":\n case \"th\":\n scripts.push(`${base}/wordcut.js`)\n break\n }\n\n /* Add language support */\n if (lang !== \"en\")\n scripts.push(`${base}/min/lunr.${lang}.min.js`)\n }\n\n /* Add multi-language support */\n if (config.lang.length > 1)\n scripts.push(`${base}/min/lunr.multi.min.js`)\n\n /* Load scripts synchronously */\n if (scripts.length)\n await importScripts(\n `${base}/min/lunr.stemmer.support.min.js`,\n ...scripts\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Message handler\n *\n * @param message - Source message\n *\n * @returns Target message\n */\nexport async function handler(\n message: SearchMessage\n): Promise {\n switch (message.type) {\n\n /* Search setup message */\n case SearchMessageType.SETUP:\n await setupSearchLanguages(message.data.config)\n index = new Search(message.data)\n return {\n type: SearchMessageType.READY\n }\n\n /* Search query message */\n case SearchMessageType.QUERY:\n return {\n type: SearchMessageType.RESULT,\n data: index ? index.search(message.data) : { items: [] }\n }\n\n /* All other messages */\n default:\n throw new TypeError(\"Invalid message type\")\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Worker\n * ------------------------------------------------------------------------- */\n\n/* @ts-expect-error - expose Lunr.js in global scope, or stemmers won't work */\nself.lunr = lunr\n\n/* Handle messages */\naddEventListener(\"message\", async ev => {\n postMessage(await handler(ev.data))\n})\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport interface SearchDocument extends SearchIndexDocument {\n parent?: SearchIndexDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @returns Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n const parents = new Set()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location and title */\n const location = doc.location\n const title = doc.title\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path)!\n\n /* Ignore first section, override article */\n if (!parents.has(parent)) {\n parent.title = doc.title\n parent.text = text\n\n /* Remember that we processed the article */\n parents.add(parent)\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text\n })\n }\n }\n return documents\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport escapeHTML from \"escape-html\"\n\nimport { SearchIndexConfig } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @param value - Value\n *\n * @returns Highlighted value\n */\nexport type SearchHighlightFn = (value: string) => string\n\n/**\n * Search highlight factory function\n *\n * @param query - Query value\n *\n * @returns Search highlight function\n */\nexport type SearchHighlightFactoryFn = (query: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n * @param escape - Whether to escape HTML\n *\n * @returns Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig, escape: boolean\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (query: string) => {\n query = query\n .replace(/[\\s*+\\-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n query\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight string value */\n return value => (\n escape\n ? escapeHTML(value)\n : value\n )\n .replace(match, highlight)\n .replace(/<\\/mark>(\\s+)]*>/img, \"$1\")\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query clause\n */\nexport interface SearchQueryClause {\n presence: lunr.Query.presence /* Clause presence */\n term: string /* Clause term */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search query terms\n */\nexport type SearchQueryTerms = Record\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Parse a search query for analysis\n *\n * @param value - Query value\n *\n * @returns Search query clauses\n */\nexport function parseSearchQuery(\n value: string\n): SearchQueryClause[] {\n const query = new (lunr as any).Query([\"title\", \"text\"])\n const parser = new (lunr as any).QueryParser(value, query)\n\n /* Parse and return query clauses */\n parser.parse()\n return query.clauses\n}\n\n/**\n * Analyze the search query clauses in regard to the search terms found\n *\n * @param query - Search query clauses\n * @param terms - Search terms\n *\n * @returns Search query terms\n */\nexport function getSearchQueryTerms(\n query: SearchQueryClause[], terms: string[]\n): SearchQueryTerms {\n const clauses = new Set(query)\n\n /* Match query clauses against terms */\n const result: SearchQueryTerms = {}\n for (let t = 0; t < terms.length; t++)\n for (const clause of clauses)\n if (terms[t].startsWith(clause.term)) {\n result[clause.term] = true\n clauses.delete(clause)\n }\n\n /* Annotate unmatched query clauses */\n for (const clause of clauses)\n result[clause.term] = false\n\n /* Return query terms */\n return result\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n SearchDocument,\n SearchDocumentMap,\n setupSearchDocumentMap\n} from \"../document\"\nimport {\n SearchHighlightFactoryFn,\n setupSearchHighlighter\n} from \"../highlighter\"\nimport { SearchOptions } from \"../options\"\nimport {\n SearchQueryTerms,\n getSearchQueryTerms,\n parseSearchQuery\n} from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index configuration\n */\nexport interface SearchIndexConfig {\n lang: string[] /* Search languages */\n separator: string /* Search separator */\n}\n\n/**\n * Search index document\n */\nexport interface SearchIndexDocument {\n location: string /* Document location */\n title: string /* Document title */\n text: string /* Document text */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n *\n * This interfaces describes the format of the `search_index.json` file which\n * is automatically built by the MkDocs search plugin.\n */\nexport interface SearchIndex {\n config: SearchIndexConfig /* Search index configuration */\n docs: SearchIndexDocument[] /* Search index documents */\n index?: object /* Prebuilt index */\n options: SearchOptions /* Search options */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search metadata\n */\nexport interface SearchMetadata {\n score: number /* Score (relevance) */\n terms: SearchQueryTerms /* Search query terms */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result document\n */\nexport type SearchResultDocument = SearchDocument & SearchMetadata\n\n/**\n * Search result item\n */\nexport type SearchResultItem = SearchResultDocument[]\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n items: SearchResultItem[] /* Search result items */\n suggestions?: string[] /* Search suggestions */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Compute the difference of two lists of strings\n *\n * @param a - 1st list of strings\n * @param b - 2nd list of strings\n *\n * @returns Difference\n */\nfunction difference(a: string[], b: string[]): string[] {\n const [x, y] = [new Set(a), new Set(b)]\n return [\n ...new Set([...x].filter(value => !y.has(value)))\n ]\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index\n */\nexport class Search {\n\n /**\n * Search document mapping\n *\n * A mapping of URLs (including hash fragments) to the actual articles and\n * sections of the documentation. The search document mapping must be created\n * regardless of whether the index was prebuilt or not, as Lunr.js itself\n * only stores the actual index.\n */\n protected documents: SearchDocumentMap\n\n /**\n * Search highlight factory function\n */\n protected highlight: SearchHighlightFactoryFn\n\n /**\n * The underlying Lunr.js search index\n */\n protected index: lunr.Index\n\n /**\n * Search options\n */\n protected options: SearchOptions\n\n /**\n * Create the search integration\n *\n * @param data - Search index\n */\n public constructor({ config, docs, index, options }: SearchIndex) {\n this.options = options\n\n /* Set up document map and highlighter factory */\n this.documents = setupSearchDocumentMap(docs)\n this.highlight = setupSearchHighlighter(config, false)\n\n /* Set separator for tokenizer */\n lunr.tokenizer.separator = new RegExp(config.separator)\n\n /* If no index was given, create it */\n if (typeof index === \"undefined\") {\n this.index = lunr(function () {\n\n /* Set up multi-language support */\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n this.use((lunr as any)[config.lang[0]])\n } else if (config.lang.length > 1) {\n this.use((lunr as any).multiLanguage(...config.lang))\n }\n\n /* Compute functions to be removed from the pipeline */\n const fns = difference([\n \"trimmer\", \"stopWordFilter\", \"stemmer\"\n ], options.pipeline)\n\n /* Remove functions from the pipeline for registered languages */\n for (const lang of config.lang.map(language => (\n language === \"en\" ? lunr : (lunr as any)[language]\n ))) {\n for (const fn of fns) {\n this.pipeline.remove(lang[fn])\n this.searchPipeline.remove(lang[fn])\n }\n }\n\n /* Set up reference */\n this.ref(\"location\")\n\n /* Set up fields */\n this.field(\"title\", { boost: 1e3 })\n this.field(\"text\")\n\n /* Index documents */\n for (const doc of docs)\n this.add(doc)\n })\n\n /* Handle prebuilt index */\n } else {\n this.index = lunr.Index.load(index)\n }\n }\n\n /**\n * Search for matching documents\n *\n * The search index which MkDocs provides is divided up into articles, which\n * contain the whole content of the individual pages, and sections, which only\n * contain the contents of the subsections obtained by breaking the individual\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\n * with identical titles (for example within this very project, e.g. \"Usage\"\n * or \"Installation\"), they need to be put into the context of the containing\n * page. For this reason, section results are grouped within their respective\n * articles which are the top-level results that are returned.\n *\n * @param query - Query value\n *\n * @returns Search results\n */\n public search(query: string): SearchResult {\n if (query) {\n try {\n const highlight = this.highlight(query)\n\n /* Parse query to extract clauses for analysis */\n const clauses = parseSearchQuery(query)\n .filter(clause => (\n clause.presence !== lunr.Query.presence.PROHIBITED\n ))\n\n /* Perform search and post-process results */\n const groups = this.index.search(`${query}*`)\n\n /* Apply post-query boosts based on title and search query terms */\n .reduce((item, { ref, score, matchData }) => {\n const document = this.documents.get(ref)\n if (typeof document !== \"undefined\") {\n const { location, title, text, parent } = document\n\n /* Compute and analyze search query terms */\n const terms = getSearchQueryTerms(\n clauses,\n Object.keys(matchData.metadata)\n )\n\n /* Highlight title and text and apply post-query boosts */\n const boost = +!parent + +Object.values(terms).every(t => t)\n item.push({\n location,\n title: highlight(title),\n text: highlight(text),\n score: score * (1 + boost),\n terms\n })\n }\n return item\n }, [])\n\n /* Sort search results again after applying boosts */\n .sort((a, b) => b.score - a.score)\n\n /* Group search results by page */\n .reduce((items, result) => {\n const document = this.documents.get(result.location)\n if (typeof document !== \"undefined\") {\n const ref = \"parent\" in document\n ? document.parent!.location\n : document.location\n items.set(ref, [...items.get(ref) || [], result])\n }\n return items\n }, new Map())\n\n /* Generate search suggestions, if desired */\n let suggestions: string[] | undefined\n if (this.options.suggestions) {\n const titles = this.index.query(builder => {\n for (const clause of clauses)\n builder.term(clause.term, {\n fields: [\"title\"],\n presence: lunr.Query.presence.REQUIRED,\n wildcard: lunr.Query.wildcard.TRAILING\n })\n })\n\n /* Retrieve suggestions for best match */\n suggestions = titles.length\n ? Object.keys(titles[0].matchData.metadata)\n : []\n }\n\n /* Return items and suggestions */\n return {\n items: [...groups.values()],\n ...typeof suggestions !== \"undefined\" && { suggestions }\n }\n\n /* Log errors to console (for now) */\n } catch {\n console.warn(`Invalid query: ${query} \u2013 see https://bit.ly/2s3ChXG`)\n }\n }\n\n /* Return nothing in case of error or empty query */\n return { items: [] }\n }\n}\n", "/*\n * Copyright (c) 2016-2021 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n READY, /* Search index ready */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndex /* Message data */\n}\n\n/**\n * Message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n type: SearchMessageType.READY /* Message type */\n}\n\n/**\n * Message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * Message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchReadyMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchReadyMessage(\n message: SearchMessage\n): message is SearchReadyMessage {\n return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @returns Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n"], + "mappings": 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Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Keyboard key\n .keys {\n\n // Keyboard key icon\n kbd::before,\n kbd::after {\n position: relative;\n margin: 0;\n color: inherit;\n -moz-osx-font-smoothing: initial;\n -webkit-font-smoothing: initial;\n }\n\n // Surrounding text\n span {\n padding: 0 px2em(3.2px);\n color: var(--md-default-fg-color--light);\n }\n\n // Define keyboard keys with left icon\n @each $name, $code in (\n\n // Modifiers\n \"alt\": \"\\2387\",\n \"left-alt\": \"\\2387\",\n \"right-alt\": \"\\2387\",\n \"command\": \"\\2318\",\n \"left-command\": \"\\2318\",\n \"right-command\": \"\\2318\",\n \"control\": \"\\2303\",\n \"left-control\": \"\\2303\",\n \"right-control\": \"\\2303\",\n \"meta\": \"\\25C6\",\n \"left-meta\": \"\\25C6\",\n \"right-meta\": \"\\25C6\",\n \"option\": \"\\2325\",\n \"left-option\": \"\\2325\",\n \"right-option\": \"\\2325\",\n \"shift\": \"\\21E7\",\n \"left-shift\": \"\\21E7\",\n \"right-shift\": \"\\21E7\",\n \"super\": \"\\2756\",\n \"left-super\": \"\\2756\",\n \"right-super\": \"\\2756\",\n \"windows\": \"\\229E\",\n \"left-windows\": \"\\229E\",\n \"right-windows\": \"\\229E\",\n\n // Other keys\n \"arrow-down\": \"\\2193\",\n \"arrow-left\": \"\\2190\",\n \"arrow-right\": \"\\2192\",\n \"arrow-up\": \"\\2191\",\n \"backspace\": \"\\232B\",\n \"backtab\": \"\\21E4\",\n \"caps-lock\": \"\\21EA\",\n \"clear\": \"\\2327\",\n \"context-menu\": \"\\2630\",\n \"delete\": \"\\2326\",\n \"eject\": \"\\23CF\",\n \"end\": \"\\2913\",\n \"escape\": \"\\238B\",\n \"home\": \"\\2912\",\n \"insert\": \"\\2380\",\n \"page-down\": \"\\21DF\",\n \"page-up\": \"\\21DE\",\n \"print-screen\": \"\\2399\"\n ) {\n .key-#{$name} {\n &::before {\n padding-right: px2em(6.4px);\n content: $code;\n }\n }\n }\n\n // Define keyboard keys with right icon\n @each $name, $code in (\n \"tab\": \"\\21E5\",\n \"num-enter\": \"\\2324\",\n \"enter\": \"\\23CE\"\n ) {\n .key-#{$name} {\n &::after {\n padding-left: px2em(6.4px);\n content: $code;\n }\n }\n }\n }\n}\n","@charset \"UTF-8\";\nhtml {\n box-sizing: border-box;\n text-size-adjust: none;\n}\n\n*,\n*::before,\n*::after {\n box-sizing: inherit;\n}\n\nbody {\n margin: 0;\n}\n\na,\nbutton,\nlabel,\ninput {\n -webkit-tap-highlight-color: transparent;\n}\n\na {\n color: inherit;\n text-decoration: none;\n}\n\nhr {\n display: block;\n box-sizing: content-box;\n height: 0.05rem;\n padding: 0;\n overflow: visible;\n border: 0;\n}\n\nsmall {\n font-size: 80%;\n}\n\nsub,\nsup {\n line-height: 1em;\n}\n\nimg {\n border-style: none;\n}\n\ntable {\n border-collapse: separate;\n border-spacing: 0;\n}\n\ntd,\nth {\n font-weight: 400;\n vertical-align: top;\n}\n\nbutton {\n margin: 0;\n padding: 0;\n font-size: inherit;\n font-family: inherit;\n background: transparent;\n border: 0;\n}\n\ninput {\n border: 0;\n outline: none;\n}\n\n:root {\n --md-default-fg-color: hsla(0, 0%, 0%, 0.87);\n --md-default-fg-color--light: hsla(0, 0%, 0%, 0.54);\n --md-default-fg-color--lighter: hsla(0, 0%, 0%, 0.32);\n --md-default-fg-color--lightest: hsla(0, 0%, 0%, 0.07);\n --md-default-bg-color: hsla(0, 0%, 100%, 1);\n --md-default-bg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-default-bg-color--lighter: hsla(0, 0%, 100%, 0.3);\n --md-default-bg-color--lightest: hsla(0, 0%, 100%, 0.12);\n --md-primary-fg-color: hsla(231, 48%, 48%, 1);\n --md-primary-fg-color--light: hsla(231, 44%, 56%, 1);\n --md-primary-fg-color--dark: hsla(232, 54%, 41%, 1);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-accent-fg-color: hsla(231, 99%, 66%, 1);\n --md-accent-fg-color--transparent: hsla(231, 99%, 66%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n:root > * {\n --md-code-fg-color: hsla(200, 18%, 26%, 1);\n --md-code-bg-color: hsla(0, 0%, 96%, 1);\n --md-code-hl-color: hsla(60, 100%, 50%, 0.5);\n --md-code-hl-number-color: hsla(0, 67%, 50%, 1);\n --md-code-hl-special-color: hsla(340, 83%, 47%, 1);\n --md-code-hl-function-color: hsla(291, 45%, 50%, 1);\n --md-code-hl-constant-color: hsla(250, 63%, 60%, 1);\n --md-code-hl-keyword-color: hsla(219, 54%, 51%, 1);\n --md-code-hl-string-color: hsla(150, 63%, 30%, 1);\n --md-code-hl-name-color: var(--md-code-fg-color);\n --md-code-hl-operator-color: var(--md-default-fg-color--light);\n --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n --md-code-hl-comment-color: var(--md-default-fg-color--light);\n --md-code-hl-generic-color: var(--md-default-fg-color--light);\n --md-code-hl-variable-color: var(--md-default-fg-color--light);\n --md-typeset-color: var(--md-default-fg-color);\n --md-typeset-a-color: var(--md-primary-fg-color);\n --md-typeset-mark-color: hsla(60, 100%, 50%, 0.5);\n --md-typeset-del-color: hsla(6, 90%, 60%, 0.15);\n --md-typeset-ins-color: hsla(150, 90%, 44%, 0.15);\n --md-typeset-kbd-color: hsla(0, 0%, 98%, 1);\n --md-typeset-kbd-accent-color: hsla(0, 100%, 100%, 1);\n --md-typeset-kbd-border-color: hsla(0, 0%, 72%, 1);\n --md-typeset-table-color: hsla(0, 0%, 0%, 0.12);\n --md-admonition-fg-color: var(--md-default-fg-color);\n --md-admonition-bg-color: var(--md-default-bg-color);\n --md-footer-fg-color: hsla(0, 0%, 100%, 1);\n --md-footer-fg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-footer-fg-color--lighter: hsla(0, 0%, 100%, 0.3);\n --md-footer-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-footer-bg-color--dark: hsla(0, 0%, 0%, 0.32);\n}\n\n.md-icon svg {\n display: block;\n width: 1.2rem;\n height: 1.2rem;\n fill: currentColor;\n}\n\nbody {\n -webkit-font-smoothing: antialiased;\n -moz-osx-font-smoothing: grayscale;\n}\n\nbody,\ninput {\n color: var(--md-typeset-color);\n font-feature-settings: \"kern\", \"liga\";\n font-family: var(--md-text-font-family, _), -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;\n}\n\ncode,\npre,\nkbd {\n color: var(--md-typeset-color);\n font-feature-settings: \"kern\";\n font-family: var(--md-code-font-family, _), SFMono-Regular, Consolas, Menlo, monospace;\n}\n\n:root {\n --md-typeset-table-sort-icon: svg-load(\"material/sort.svg\");\n --md-typeset-table-sort-icon--asc: svg-load(\"material/sort-ascending.svg\");\n --md-typeset-table-sort-icon--desc: svg-load(\"material/sort-descending.svg\");\n}\n\n.md-typeset {\n font-size: 0.8rem;\n line-height: 1.6;\n color-adjust: exact;\n}\n@media print {\n .md-typeset {\n font-size: 0.68rem;\n }\n}\n.md-typeset ul,\n.md-typeset ol,\n.md-typeset dl,\n.md-typeset figure,\n.md-typeset blockquote,\n.md-typeset pre {\n margin: 1em 0;\n}\n.md-typeset h1 {\n margin: 0 0 1.25em;\n color: var(--md-default-fg-color--light);\n font-weight: 300;\n font-size: 2em;\n line-height: 1.3;\n letter-spacing: -0.01em;\n}\n.md-typeset h2 {\n margin: 1.6em 0 0.64em;\n font-weight: 300;\n font-size: 1.5625em;\n line-height: 1.4;\n letter-spacing: -0.01em;\n}\n.md-typeset h3 {\n margin: 1.6em 0 0.8em;\n font-weight: 400;\n font-size: 1.25em;\n line-height: 1.5;\n letter-spacing: -0.01em;\n}\n.md-typeset h2 + h3 {\n margin-top: 0.8em;\n}\n.md-typeset h4 {\n margin: 1em 0;\n font-weight: 700;\n letter-spacing: -0.01em;\n}\n.md-typeset h5,\n.md-typeset h6 {\n margin: 1.25em 0;\n color: var(--md-default-fg-color--light);\n font-weight: 700;\n font-size: 0.8em;\n letter-spacing: -0.01em;\n}\n.md-typeset h5 {\n text-transform: uppercase;\n}\n.md-typeset hr {\n display: flow-root;\n margin: 1.5em 0;\n border-bottom: 0.05rem solid var(--md-default-fg-color--lightest);\n}\n.md-typeset a {\n color: var(--md-typeset-a-color);\n word-break: break-word;\n}\n.md-typeset a, .md-typeset a::before {\n transition: color 125ms;\n}\n.md-typeset a:focus, .md-typeset a:hover {\n color: var(--md-accent-fg-color);\n}\n.md-typeset a.focus-visible {\n outline-color: var(--md-accent-fg-color);\n outline-offset: 0.2rem;\n}\n.md-typeset code,\n.md-typeset pre,\n.md-typeset kbd {\n color: var(--md-code-fg-color);\n direction: ltr;\n}\n@media print {\n .md-typeset code,\n.md-typeset pre,\n.md-typeset kbd {\n white-space: pre-wrap;\n }\n}\n.md-typeset code {\n padding: 0 0.2941176471em;\n font-size: 0.85em;\n word-break: break-word;\n background-color: var(--md-code-bg-color);\n border-radius: 0.1rem;\n box-decoration-break: clone;\n}\n.md-typeset code:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n}\n.md-typeset h1 code,\n.md-typeset h2 code,\n.md-typeset h3 code,\n.md-typeset h4 code,\n.md-typeset h5 code,\n.md-typeset h6 code {\n margin: initial;\n padding: initial;\n background-color: transparent;\n box-shadow: none;\n}\n.md-typeset a code {\n color: currentColor;\n}\n.md-typeset pre {\n position: relative;\n display: flow-root;\n line-height: 1.4;\n}\n.md-typeset pre > code {\n display: block;\n margin: 0;\n padding: 0.7720588235em 1.1764705882em;\n overflow: auto;\n word-break: normal;\n box-shadow: none;\n box-decoration-break: slice;\n touch-action: auto;\n scrollbar-width: thin;\n scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n}\n.md-typeset pre > code:hover {\n scrollbar-color: var(--md-accent-fg-color) transparent;\n}\n.md-typeset pre > code::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem;\n}\n.md-typeset pre > code::-webkit-scrollbar-thumb {\n background-color: var(--md-default-fg-color--lighter);\n}\n.md-typeset pre > code::-webkit-scrollbar-thumb:hover {\n background-color: var(--md-accent-fg-color);\n}\n@media screen and (max-width: 44.9375em) {\n .md-typeset > pre {\n margin: 1em -0.8rem;\n }\n .md-typeset > pre code {\n border-radius: 0;\n }\n}\n.md-typeset kbd {\n display: inline-block;\n padding: 0 0.6666666667em;\n color: var(--md-default-fg-color);\n font-size: 0.75em;\n vertical-align: text-top;\n word-break: break-word;\n background-color: var(--md-typeset-kbd-color);\n border-radius: 0.1rem;\n box-shadow: 0 0.1rem 0 0.05rem var(--md-typeset-kbd-border-color), 0 0.1rem 0 var(--md-typeset-kbd-border-color), 0 -0.1rem 0.2rem var(--md-typeset-kbd-accent-color) inset;\n}\n.md-typeset mark {\n color: inherit;\n word-break: break-word;\n background-color: var(--md-typeset-mark-color);\n box-decoration-break: clone;\n}\n.md-typeset abbr {\n text-decoration: none;\n border-bottom: 0.05rem dotted var(--md-default-fg-color--light);\n cursor: help;\n}\n@media (hover: none) {\n .md-typeset abbr {\n position: relative;\n }\n .md-typeset abbr[title]:focus::after, .md-typeset abbr[title]:hover::after {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n position: absolute;\n left: 0;\n display: inline-block;\n width: auto;\n min-width: max-content;\n max-width: 80%;\n margin-top: 2em;\n padding: 0.2rem 0.3rem;\n color: var(--md-default-bg-color);\n font-size: 0.7rem;\n background-color: var(--md-default-fg-color);\n border-radius: 0.1rem;\n content: attr(title);\n }\n}\n.md-typeset small {\n opacity: 0.75;\n}\n.md-typeset sup,\n.md-typeset sub {\n margin-left: 0.078125em;\n}\n[dir=rtl] .md-typeset sup,\n[dir=rtl] .md-typeset sub {\n margin-right: 0.078125em;\n margin-left: initial;\n}\n.md-typeset blockquote {\n padding-left: 0.6rem;\n color: var(--md-default-fg-color--light);\n border-left: 0.2rem solid var(--md-default-fg-color--lighter);\n}\n[dir=rtl] .md-typeset blockquote {\n padding-right: 0.6rem;\n padding-left: initial;\n border-right: 0.2rem solid var(--md-default-fg-color--lighter);\n border-left: initial;\n}\n.md-typeset ul {\n list-style-type: disc;\n}\n.md-typeset ul,\n.md-typeset ol {\n display: flow-root;\n margin-left: 0.625em;\n padding: 0;\n}\n[dir=rtl] .md-typeset ul,\n[dir=rtl] .md-typeset ol {\n margin-right: 0.625em;\n margin-left: initial;\n}\n.md-typeset ul ol,\n.md-typeset ol ol {\n list-style-type: lower-alpha;\n}\n.md-typeset ul ol ol,\n.md-typeset ol ol ol {\n list-style-type: lower-roman;\n}\n.md-typeset ul li,\n.md-typeset ol li {\n margin-bottom: 0.5em;\n margin-left: 1.25em;\n}\n[dir=rtl] .md-typeset ul li,\n[dir=rtl] .md-typeset ol li {\n margin-right: 1.25em;\n margin-left: initial;\n}\n.md-typeset ul li p,\n.md-typeset ul li blockquote,\n.md-typeset ol li p,\n.md-typeset ol li blockquote {\n margin: 0.5em 0;\n}\n.md-typeset ul li:last-child,\n.md-typeset ol li:last-child {\n margin-bottom: 0;\n}\n.md-typeset ul li ul,\n.md-typeset ul li ol,\n.md-typeset ol li ul,\n.md-typeset ol li ol {\n margin: 0.5em 0 0.5em 0.625em;\n}\n[dir=rtl] .md-typeset ul li ul,\n[dir=rtl] .md-typeset ul li ol,\n[dir=rtl] .md-typeset ol li ul,\n[dir=rtl] .md-typeset ol li ol {\n margin-right: 0.625em;\n margin-left: initial;\n}\n.md-typeset dd {\n margin: 1em 0 1.5em 1.875em;\n}\n[dir=rtl] .md-typeset dd {\n margin-right: 1.875em;\n margin-left: initial;\n}\n.md-typeset img,\n.md-typeset svg {\n max-width: 100%;\n height: auto;\n}\n.md-typeset img[align=left],\n.md-typeset svg[align=left] {\n margin: 1em;\n margin-left: 0;\n}\n.md-typeset img[align=right],\n.md-typeset svg[align=right] {\n margin: 1em;\n margin-right: 0;\n}\n.md-typeset img[align]:only-child,\n.md-typeset svg[align]:only-child {\n margin-top: 0;\n}\n.md-typeset figure {\n display: flow-root;\n width: fit-content;\n max-width: 100%;\n margin: 0 auto;\n text-align: center;\n}\n.md-typeset figure img {\n display: block;\n}\n.md-typeset figcaption {\n max-width: 24rem;\n margin: 1em auto 2em;\n font-style: italic;\n}\n.md-typeset iframe {\n max-width: 100%;\n}\n.md-typeset table:not([class]) {\n display: inline-block;\n max-width: 100%;\n overflow: auto;\n font-size: 0.64rem;\n background-color: var(--md-default-bg-color);\n border: 0.05rem solid var(--md-typeset-table-color);\n border-radius: 0.1rem;\n touch-action: auto;\n}\n@media print {\n .md-typeset table:not([class]) {\n display: table;\n }\n}\n.md-typeset table:not([class]) + * {\n margin-top: 1.5em;\n}\n.md-typeset table:not([class]) th > *:first-child,\n.md-typeset table:not([class]) td > *:first-child {\n margin-top: 0;\n}\n.md-typeset table:not([class]) th > *:last-child,\n.md-typeset table:not([class]) td > *:last-child {\n margin-bottom: 0;\n}\n.md-typeset table:not([class]) th:not([align]),\n.md-typeset table:not([class]) td:not([align]) {\n text-align: left;\n}\n[dir=rtl] .md-typeset table:not([class]) th:not([align]),\n[dir=rtl] .md-typeset table:not([class]) td:not([align]) {\n text-align: right;\n}\n.md-typeset table:not([class]) th {\n min-width: 5rem;\n padding: 0.9375em 1.25em;\n font-weight: 700;\n vertical-align: top;\n}\n.md-typeset table:not([class]) th a {\n color: inherit;\n}\n.md-typeset table:not([class]) td {\n padding: 0.9375em 1.25em;\n vertical-align: top;\n border-top: 0.05rem solid var(--md-typeset-table-color);\n}\n.md-typeset table:not([class]) tbody tr {\n transition: background-color 125ms;\n}\n.md-typeset table:not([class]) tbody tr:hover {\n background-color: rgba(0, 0, 0, 0.035);\n box-shadow: 0 0.05rem 0 var(--md-default-bg-color) inset;\n}\n.md-typeset table:not([class]) a {\n word-break: normal;\n}\n.md-typeset table th[role=columnheader] {\n cursor: pointer;\n}\n.md-typeset table th[role=columnheader]::after {\n display: inline-block;\n width: 1.2em;\n height: 1.2em;\n margin-left: 0.5em;\n vertical-align: text-bottom;\n mask-image: var(--md-typeset-table-sort-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n transition: background-color 125ms;\n content: \"\";\n}\n.md-typeset table th[role=columnheader]:hover::after {\n background-color: var(--md-default-fg-color--lighter);\n}\n.md-typeset table th[role=columnheader][aria-sort=ascending]::after {\n background-color: var(--md-default-fg-color--light);\n mask-image: var(--md-typeset-table-sort-icon--asc);\n}\n.md-typeset table th[role=columnheader][aria-sort=descending]::after {\n background-color: var(--md-default-fg-color--light);\n mask-image: var(--md-typeset-table-sort-icon--desc);\n}\n.md-typeset__scrollwrap {\n margin: 1em -0.8rem;\n overflow-x: auto;\n touch-action: auto;\n}\n.md-typeset__table {\n display: inline-block;\n margin-bottom: 0.5em;\n padding: 0 0.8rem;\n}\n@media print {\n .md-typeset__table {\n display: block;\n }\n}\nhtml .md-typeset__table table {\n display: table;\n width: 100%;\n margin: 0;\n overflow: hidden;\n}\n\nhtml {\n height: 100%;\n overflow-x: hidden;\n font-size: 125%;\n}\n@media screen and (min-width: 100em) {\n html {\n font-size: 137.5%;\n }\n}\n@media screen and (min-width: 125em) {\n html {\n font-size: 150%;\n }\n}\n\nbody {\n position: relative;\n display: flex;\n flex-direction: column;\n width: 100%;\n min-height: 100%;\n font-size: 0.5rem;\n background-color: var(--md-default-bg-color);\n}\n@media print {\n body {\n display: block;\n }\n}\n@media screen and (max-width: 59.9375em) {\n body[data-md-state=lock] {\n position: fixed;\n }\n}\n\n.md-grid {\n max-width: 61rem;\n margin-right: auto;\n margin-left: auto;\n}\n\n.md-container {\n display: flex;\n flex-direction: column;\n flex-grow: 1;\n}\n@media print {\n .md-container {\n display: block;\n }\n}\n\n.md-main {\n flex-grow: 1;\n}\n.md-main__inner {\n display: flex;\n height: 100%;\n margin-top: 1.5rem;\n}\n\n.md-ellipsis {\n overflow: hidden;\n white-space: nowrap;\n text-overflow: ellipsis;\n}\n\n.md-toggle {\n display: none;\n}\n\n.md-option {\n position: absolute;\n width: 0;\n height: 0;\n opacity: 0;\n}\n.md-option:checked + label:not([hidden]) {\n display: block;\n}\n.md-option.focus-visible + label {\n outline-style: auto;\n outline-color: var(--md-accent-fg-color);\n}\n\n.md-skip {\n position: fixed;\n z-index: -1;\n margin: 0.5rem;\n padding: 0.3rem 0.5rem;\n color: var(--md-default-bg-color);\n font-size: 0.64rem;\n background-color: var(--md-default-fg-color);\n border-radius: 0.1rem;\n outline-color: var(--md-accent-fg-color);\n transform: translateY(0.4rem);\n opacity: 0;\n}\n.md-skip:focus {\n z-index: 10;\n transform: translateY(0);\n opacity: 1;\n transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 175ms 75ms;\n}\n\n@page {\n margin: 25mm;\n}\n.md-announce {\n overflow: auto;\n background-color: var(--md-footer-bg-color);\n}\n@media print {\n .md-announce {\n display: none;\n }\n}\n.md-announce__inner {\n margin: 0.6rem auto;\n padding: 0 0.8rem;\n color: var(--md-footer-fg-color);\n font-size: 0.7rem;\n}\n\n:root {\n --md-clipboard-icon: svg-load(\"material/content-copy.svg\");\n}\n\n.md-clipboard {\n position: absolute;\n top: 0.5em;\n right: 0.5em;\n z-index: 1;\n width: 1.5em;\n height: 1.5em;\n color: var(--md-default-fg-color--lightest);\n border-radius: 0.1rem;\n outline-color: var(--md-accent-fg-color);\n outline-offset: 0.1rem;\n cursor: pointer;\n transition: color 250ms;\n}\n@media print {\n .md-clipboard {\n display: none;\n }\n}\n.md-clipboard:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n}\n:hover > .md-clipboard {\n color: var(--md-default-fg-color--light);\n}\n.md-clipboard:focus, .md-clipboard:hover {\n color: var(--md-accent-fg-color);\n}\n.md-clipboard::after {\n display: block;\n width: 1.125em;\n height: 1.125em;\n margin: 0 auto;\n background-color: currentColor;\n mask-image: var(--md-clipboard-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n}\n.md-clipboard--inline {\n cursor: pointer;\n}\n.md-clipboard--inline code {\n transition: color 250ms, background-color 250ms;\n}\n.md-clipboard--inline:focus code, .md-clipboard--inline:hover code {\n color: var(--md-accent-fg-color);\n background-color: var(--md-accent-fg-color--transparent);\n}\n\n.md-content {\n flex-grow: 1;\n overflow: hidden;\n scroll-padding-top: 51.2rem;\n}\n.md-content__inner {\n margin: 0 0.8rem 1.2rem;\n padding-top: 0.6rem;\n}\n@media screen and (min-width: 76.25em) {\n [dir=ltr] .md-sidebar--primary:not([hidden]) ~ .md-content > .md-content__inner {\n margin-left: 1.2rem;\n }\n [dir=rtl] .md-sidebar--primary:not([hidden]) ~ .md-content > .md-content__inner {\n margin-right: 1.2rem;\n }\n [dir=ltr] .md-sidebar--secondary:not([hidden]) ~ .md-content > .md-content__inner {\n margin-right: 1.2rem;\n }\n [dir=rtl] .md-sidebar--secondary:not([hidden]) ~ .md-content > .md-content__inner {\n margin-left: 1.2rem;\n }\n}\n.md-content__inner::before {\n display: block;\n height: 0.4rem;\n content: \"\";\n}\n.md-content__inner > :last-child {\n margin-bottom: 0;\n}\n.md-content__button {\n float: right;\n margin: 0.4rem 0;\n margin-left: 0.4rem;\n padding: 0;\n}\n@media print {\n .md-content__button {\n display: none;\n }\n}\n[dir=rtl] .md-content__button {\n float: left;\n margin-right: 0.4rem;\n margin-left: initial;\n}\n[dir=rtl] .md-content__button svg {\n transform: scaleX(-1);\n}\n.md-typeset .md-content__button {\n color: var(--md-default-fg-color--lighter);\n}\n.md-content__button svg {\n display: inline;\n vertical-align: top;\n}\n\n.md-dialog {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n position: fixed;\n right: 0.8rem;\n bottom: 0.8rem;\n left: initial;\n z-index: 3;\n min-width: 11.1rem;\n padding: 0.4rem 0.6rem;\n background-color: var(--md-default-fg-color);\n border-radius: 0.1rem;\n transform: translateY(100%);\n opacity: 0;\n transition: transform 0ms 400ms, opacity 400ms;\n pointer-events: none;\n}\n@media print {\n .md-dialog {\n display: none;\n }\n}\n[dir=rtl] .md-dialog {\n right: initial;\n left: 0.8rem;\n}\n.md-dialog[data-md-state=open] {\n transform: translateY(0);\n opacity: 1;\n transition: transform 400ms cubic-bezier(0.075, 0.85, 0.175, 1), opacity 400ms;\n pointer-events: initial;\n}\n.md-dialog__inner {\n color: var(--md-default-bg-color);\n font-size: 0.7rem;\n}\n\n.md-typeset .md-button {\n display: inline-block;\n padding: 0.625em 2em;\n color: var(--md-primary-fg-color);\n font-weight: 700;\n border: 0.1rem solid currentColor;\n border-radius: 0.1rem;\n cursor: pointer;\n transition: color 125ms, background-color 125ms, border-color 125ms;\n}\n.md-typeset .md-button--primary {\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n border-color: var(--md-primary-fg-color);\n}\n.md-typeset .md-button:focus, .md-typeset .md-button:hover {\n color: var(--md-accent-bg-color);\n background-color: var(--md-accent-fg-color);\n border-color: var(--md-accent-fg-color);\n}\n.md-typeset .md-input {\n height: 1.8rem;\n padding: 0 0.6rem;\n font-size: 0.8rem;\n border-radius: 0.1rem;\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.1);\n transition: box-shadow 250ms;\n}\n.md-typeset .md-input:focus, .md-typeset .md-input:hover {\n box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.15), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.15);\n}\n.md-typeset .md-input--stretch {\n width: 100%;\n}\n\n.md-header {\n position: sticky;\n top: 0;\n right: 0;\n left: 0;\n z-index: 3;\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0), 0 0.2rem 0.4rem rgba(0, 0, 0, 0);\n}\n@media print {\n .md-header {\n display: none;\n }\n}\n.md-header[data-md-state=shadow] {\n box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.1), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.2);\n transition: transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1), box-shadow 250ms;\n}\n.md-header[data-md-state=hidden] {\n transform: translateY(-100%);\n transition: transform 250ms cubic-bezier(0.8, 0, 0.6, 1), box-shadow 250ms;\n}\n.md-header__inner {\n display: flex;\n align-items: center;\n padding: 0 0.2rem;\n}\n.md-header__button {\n position: relative;\n z-index: 1;\n margin: 0.2rem;\n padding: 0.4rem;\n color: currentColor;\n vertical-align: middle;\n outline-color: var(--md-accent-fg-color);\n cursor: pointer;\n transition: opacity 250ms;\n}\n.md-header__button:hover {\n opacity: 0.7;\n}\n.md-header__button:not([hidden]) {\n display: inline-block;\n}\n.md-header__button:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n}\n.md-header__button.md-logo {\n margin: 0.2rem;\n padding: 0.4rem;\n}\n@media screen and (max-width: 76.1875em) {\n .md-header__button.md-logo {\n display: none;\n }\n}\n.md-header__button.md-logo img,\n.md-header__button.md-logo svg {\n display: block;\n width: 1.2rem;\n height: 1.2rem;\n fill: currentColor;\n}\n@media screen and (min-width: 60em) {\n .md-header__button[for=__search] {\n display: none;\n }\n}\n.no-js .md-header__button[for=__search] {\n display: none;\n}\n[dir=rtl] .md-header__button[for=__search] svg {\n transform: scaleX(-1);\n}\n@media screen and (min-width: 76.25em) {\n .md-header__button[for=__drawer] {\n display: none;\n }\n}\n.md-header__topic {\n position: absolute;\n display: flex;\n max-width: 100%;\n transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n}\n.md-header__topic + .md-header__topic {\n z-index: -1;\n transform: translateX(1.25rem);\n opacity: 0;\n transition: transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1), opacity 150ms;\n pointer-events: none;\n}\n[dir=rtl] .md-header__topic + .md-header__topic {\n transform: translateX(-1.25rem);\n}\n.md-header__title {\n flex-grow: 1;\n height: 2.4rem;\n margin-right: 0.4rem;\n margin-left: 1rem;\n font-size: 0.9rem;\n line-height: 2.4rem;\n}\n.md-header__title[data-md-state=active] .md-header__topic {\n z-index: -1;\n transform: translateX(-1.25rem);\n opacity: 0;\n transition: transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1), opacity 150ms;\n pointer-events: none;\n}\n[dir=rtl] .md-header__title[data-md-state=active] .md-header__topic {\n transform: translateX(1.25rem);\n}\n.md-header__title[data-md-state=active] .md-header__topic + .md-header__topic {\n z-index: 0;\n transform: translateX(0);\n opacity: 1;\n transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n pointer-events: initial;\n}\n.md-header__title > .md-header__ellipsis {\n position: relative;\n width: 100%;\n height: 100%;\n}\n.md-header__option {\n display: flex;\n flex-shrink: 0;\n max-width: 100%;\n white-space: nowrap;\n transition: max-width 0ms 250ms, opacity 250ms 250ms;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-header__option {\n max-width: 0;\n opacity: 0;\n transition: max-width 0ms, opacity 0ms;\n}\n.md-header__source {\n display: none;\n}\n@media screen and (min-width: 60em) {\n .md-header__source {\n display: block;\n width: 11.7rem;\n max-width: 11.7rem;\n margin-left: 1rem;\n }\n [dir=rtl] .md-header__source {\n margin-right: 1rem;\n margin-left: initial;\n }\n}\n@media screen and (min-width: 76.25em) {\n .md-header__source {\n margin-left: 1.4rem;\n }\n [dir=rtl] .md-header__source {\n margin-right: 1.4rem;\n }\n}\n\n.md-footer {\n color: var(--md-footer-fg-color);\n background-color: var(--md-footer-bg-color);\n}\n@media print {\n .md-footer {\n display: none;\n }\n}\n.md-footer__inner {\n padding: 0.2rem;\n overflow: auto;\n}\n.md-footer__link {\n display: flex;\n padding-top: 1.4rem;\n padding-bottom: 0.4rem;\n outline-color: var(--md-accent-fg-color);\n transition: opacity 250ms;\n}\n@media screen and (min-width: 45em) {\n .md-footer__link {\n width: 50%;\n }\n}\n.md-footer__link:focus, .md-footer__link:hover {\n opacity: 0.7;\n}\n.md-footer__link--prev {\n float: left;\n}\n@media screen and (max-width: 44.9375em) {\n .md-footer__link--prev {\n width: 25%;\n }\n .md-footer__link--prev .md-footer__title {\n display: none;\n }\n}\n[dir=rtl] .md-footer__link--prev {\n float: right;\n}\n[dir=rtl] .md-footer__link--prev svg {\n transform: scaleX(-1);\n}\n.md-footer__link--next {\n float: right;\n text-align: right;\n}\n@media screen and (max-width: 44.9375em) {\n .md-footer__link--next {\n width: 75%;\n }\n}\n[dir=rtl] .md-footer__link--next {\n float: left;\n text-align: left;\n}\n[dir=rtl] .md-footer__link--next svg {\n transform: scaleX(-1);\n}\n.md-footer__title {\n position: relative;\n flex-grow: 1;\n max-width: calc(100% - 2.4rem);\n padding: 0 1rem;\n font-size: 0.9rem;\n line-height: 2.4rem;\n}\n.md-footer__button {\n margin: 0.2rem;\n padding: 0.4rem;\n}\n.md-footer__direction {\n position: absolute;\n right: 0;\n left: 0;\n margin-top: -1rem;\n padding: 0 1rem;\n font-size: 0.64rem;\n opacity: 0.7;\n}\n\n.md-footer-meta {\n background-color: var(--md-footer-bg-color--dark);\n}\n.md-footer-meta__inner {\n display: flex;\n flex-wrap: wrap;\n justify-content: space-between;\n padding: 0.2rem;\n}\nhtml .md-footer-meta.md-typeset a {\n color: var(--md-footer-fg-color--light);\n}\nhtml .md-footer-meta.md-typeset a:focus, html .md-footer-meta.md-typeset a:hover {\n color: var(--md-footer-fg-color);\n}\n\n.md-footer-copyright {\n width: 100%;\n margin: auto 0.6rem;\n padding: 0.4rem 0;\n color: var(--md-footer-fg-color--lighter);\n font-size: 0.64rem;\n}\n@media screen and (min-width: 45em) {\n .md-footer-copyright {\n width: auto;\n }\n}\n.md-footer-copyright__highlight {\n color: var(--md-footer-fg-color--light);\n}\n\n.md-footer-social {\n margin: 0 0.4rem;\n padding: 0.2rem 0 0.6rem;\n}\n@media screen and (min-width: 45em) {\n .md-footer-social {\n padding: 0.6rem 0;\n }\n}\n.md-footer-social__link {\n display: inline-block;\n width: 1.6rem;\n height: 1.6rem;\n text-align: center;\n}\n.md-footer-social__link::before {\n line-height: 1.9;\n}\n.md-footer-social__link svg {\n max-height: 0.8rem;\n vertical-align: -25%;\n fill: currentColor;\n}\n\n:root {\n --md-nav-icon--prev: svg-load(\"material/arrow-left.svg\");\n --md-nav-icon--next: svg-load(\"material/chevron-right.svg\");\n --md-toc-icon: svg-load(\"material/table-of-contents.svg\");\n}\n\n.md-nav {\n font-size: 0.7rem;\n line-height: 1.3;\n}\n.md-nav__title {\n display: block;\n padding: 0 0.6rem;\n overflow: hidden;\n font-weight: 700;\n text-overflow: ellipsis;\n}\n.md-nav__title .md-nav__button {\n display: none;\n}\n.md-nav__title .md-nav__button img {\n width: auto;\n height: 100%;\n}\n.md-nav__title .md-nav__button.md-logo img,\n.md-nav__title .md-nav__button.md-logo svg {\n display: block;\n width: 2.4rem;\n height: 2.4rem;\n fill: currentColor;\n}\n.md-nav__list {\n margin: 0;\n padding: 0;\n list-style: none;\n}\n.md-nav__item {\n padding: 0 0.6rem;\n}\n.md-nav__item .md-nav__item {\n padding-right: 0;\n}\n[dir=rtl] .md-nav__item .md-nav__item {\n padding-right: 0.6rem;\n padding-left: 0;\n}\n.md-nav__link {\n display: flex;\n align-items: center;\n justify-content: space-between;\n margin-top: 0.625em;\n overflow: hidden;\n text-overflow: ellipsis;\n cursor: pointer;\n transition: color 125ms;\n scroll-snap-align: start;\n}\n.md-nav__link[data-md-state=blur] {\n color: var(--md-default-fg-color--light);\n}\n.md-nav__item .md-nav__link--active {\n color: var(--md-typeset-a-color);\n}\n.md-nav__item .md-nav__link--index [href] {\n width: 100%;\n}\n.md-nav__link:focus, .md-nav__link:hover {\n color: var(--md-accent-fg-color);\n}\n.md-nav__link.focus-visible {\n outline-color: var(--md-accent-fg-color);\n outline-offset: 0.2rem;\n}\n.md-nav--primary .md-nav__link[for=__toc] {\n display: none;\n}\n.md-nav--primary .md-nav__link[for=__toc] .md-icon::after {\n display: block;\n width: 100%;\n height: 100%;\n mask-image: var(--md-toc-icon);\n background-color: currentColor;\n}\n.md-nav--primary .md-nav__link[for=__toc] ~ .md-nav {\n display: none;\n}\n.md-nav__link > * {\n display: flex;\n cursor: pointer;\n}\n.md-nav__source {\n display: none;\n}\n@media screen and (max-width: 76.1875em) {\n .md-nav--primary, .md-nav--primary .md-nav {\n position: absolute;\n top: 0;\n right: 0;\n left: 0;\n z-index: 1;\n display: flex;\n flex-direction: column;\n height: 100%;\n background-color: var(--md-default-bg-color);\n }\n .md-nav--primary .md-nav__title,\n.md-nav--primary .md-nav__item {\n font-size: 0.8rem;\n line-height: 1.5;\n }\n .md-nav--primary .md-nav__title {\n position: relative;\n height: 5.6rem;\n padding: 3rem 0.8rem 0.2rem;\n color: var(--md-default-fg-color--light);\n font-weight: 400;\n line-height: 2.4rem;\n white-space: nowrap;\n background-color: var(--md-default-fg-color--lightest);\n cursor: pointer;\n }\n .md-nav--primary .md-nav__title .md-nav__icon {\n position: absolute;\n top: 0.4rem;\n left: 0.4rem;\n display: block;\n width: 1.2rem;\n height: 1.2rem;\n margin: 0.2rem;\n }\n [dir=rtl] .md-nav--primary .md-nav__title .md-nav__icon {\n right: 0.4rem;\n left: initial;\n }\n .md-nav--primary .md-nav__title .md-nav__icon::after {\n display: block;\n width: 100%;\n height: 100%;\n background-color: currentColor;\n mask-image: var(--md-nav-icon--prev);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n .md-nav--primary .md-nav__title ~ .md-nav__list {\n overflow-y: auto;\n background-color: var(--md-default-bg-color);\n box-shadow: 0 0.05rem 0 var(--md-default-fg-color--lightest) inset;\n scroll-snap-type: y mandatory;\n touch-action: pan-y;\n }\n .md-nav--primary .md-nav__title ~ .md-nav__list > :first-child {\n border-top: 0;\n }\n .md-nav--primary .md-nav__title[for=__drawer] {\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n }\n .md-nav--primary .md-nav__title .md-logo {\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n display: block;\n margin: 0.2rem;\n padding: 0.4rem;\n }\n [dir=rtl] .md-nav--primary .md-nav__title .md-logo {\n right: 0.2rem;\n left: initial;\n }\n .md-nav--primary .md-nav__list {\n flex: 1;\n }\n .md-nav--primary .md-nav__item {\n padding: 0;\n border-top: 0.05rem solid var(--md-default-fg-color--lightest);\n }\n .md-nav--primary .md-nav__item--active > .md-nav__link {\n color: var(--md-typeset-a-color);\n }\n .md-nav--primary .md-nav__item--active > .md-nav__link:focus, .md-nav--primary .md-nav__item--active > .md-nav__link:hover {\n color: var(--md-accent-fg-color);\n }\n .md-nav--primary .md-nav__link {\n margin-top: 0;\n padding: 0.6rem 0.8rem;\n }\n .md-nav--primary .md-nav__link .md-nav__icon {\n flex-shrink: 0;\n width: 1.2rem;\n height: 1.2rem;\n margin-right: -0.2rem;\n font-size: 1.2rem;\n }\n [dir=rtl] .md-nav--primary .md-nav__link .md-nav__icon {\n margin-right: 0;\n margin-left: -0.2rem;\n }\n .md-nav--primary .md-nav__link .md-nav__icon::after {\n display: block;\n width: 100%;\n height: 100%;\n background-color: currentColor;\n mask-image: var(--md-nav-icon--next);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n [dir=rtl] .md-nav--primary .md-nav__icon::after {\n transform: scale(-1);\n }\n .md-nav--primary .md-nav--secondary .md-nav {\n position: static;\n background-color: transparent;\n }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n padding-left: 1.4rem;\n }\n [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n padding-right: 1.4rem;\n padding-left: initial;\n }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n padding-left: 2rem;\n }\n [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n padding-right: 2rem;\n padding-left: initial;\n }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: 2.6rem;\n }\n [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n padding-right: 2.6rem;\n padding-left: initial;\n }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: 3.2rem;\n }\n [dir=rtl] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n padding-right: 3.2rem;\n padding-left: initial;\n }\n .md-nav--secondary {\n background-color: transparent;\n }\n .md-nav__toggle ~ .md-nav {\n display: flex;\n transform: translateX(100%);\n opacity: 0;\n transition: transform 250ms cubic-bezier(0.8, 0, 0.6, 1), opacity 125ms 50ms;\n }\n [dir=rtl] .md-nav__toggle ~ .md-nav {\n transform: translateX(-100%);\n }\n .md-nav__toggle:checked ~ .md-nav {\n transform: translateX(0);\n opacity: 1;\n transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 125ms 125ms;\n }\n .md-nav__toggle:checked ~ .md-nav > .md-nav__list {\n backface-visibility: hidden;\n }\n}\n@media screen and (max-width: 59.9375em) {\n .md-nav--primary .md-nav__link[for=__toc] {\n display: flex;\n }\n .md-nav--primary .md-nav__link[for=__toc] .md-icon::after {\n content: \"\";\n }\n .md-nav--primary .md-nav__link[for=__toc] + .md-nav__link {\n display: none;\n }\n .md-nav--primary .md-nav__link[for=__toc] ~ .md-nav {\n display: flex;\n }\n .md-nav__source {\n display: block;\n padding: 0 0.2rem;\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color--dark);\n }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n .md-nav--integrated .md-nav__link[for=__toc] {\n display: flex;\n }\n .md-nav--integrated .md-nav__link[for=__toc] .md-icon::after {\n content: \"\";\n }\n .md-nav--integrated .md-nav__link[for=__toc] + .md-nav__link {\n display: none;\n }\n .md-nav--integrated .md-nav__link[for=__toc] ~ .md-nav {\n display: flex;\n }\n}\n@media screen and (min-width: 60em) {\n .md-nav--secondary .md-nav__title[for=__toc] {\n scroll-snap-align: start;\n }\n .md-nav--secondary .md-nav__title .md-nav__icon {\n display: none;\n }\n}\n@media screen and (min-width: 76.25em) {\n .md-nav {\n transition: max-height 250ms cubic-bezier(0.86, 0, 0.07, 1);\n }\n .md-nav--primary .md-nav__title[for=__drawer] {\n scroll-snap-align: start;\n }\n .md-nav--primary .md-nav__title .md-nav__icon {\n display: none;\n }\n .md-nav__toggle ~ .md-nav {\n display: none;\n }\n .md-nav__toggle:checked ~ .md-nav, .md-nav__toggle:indeterminate ~ .md-nav {\n display: block;\n }\n .md-nav__item--nested > .md-nav > .md-nav__title {\n display: none;\n }\n .md-nav__item--section {\n display: block;\n margin: 1.25em 0;\n }\n .md-nav__item--section:last-child {\n margin-bottom: 0;\n }\n .md-nav__item--section > .md-nav__link {\n font-weight: 700;\n pointer-events: none;\n }\n .md-nav__item--section > .md-nav__link--index [href] {\n pointer-events: initial;\n }\n .md-nav__item--section > .md-nav__link .md-nav__icon {\n display: none;\n }\n .md-nav__item--section > .md-nav {\n display: block;\n }\n .md-nav__item--section > .md-nav > .md-nav__list > .md-nav__item {\n padding: 0;\n }\n .md-nav__icon {\n float: right;\n width: 0.9rem;\n height: 0.9rem;\n transition: transform 250ms;\n }\n [dir=rtl] .md-nav__icon {\n float: left;\n transform: rotate(180deg);\n }\n .md-nav__icon::after {\n display: inline-block;\n width: 100%;\n height: 100%;\n vertical-align: -0.1rem;\n background-color: currentColor;\n mask-image: var(--md-nav-icon--next);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link .md-nav__icon, .md-nav__item--nested .md-nav__toggle:indeterminate ~ .md-nav__link .md-nav__icon {\n transform: rotate(90deg);\n }\n .md-nav--lifted > .md-nav__list > .md-nav__item--nested,\n.md-nav--lifted > .md-nav__title {\n display: none;\n }\n .md-nav--lifted > .md-nav__list > .md-nav__item {\n display: none;\n }\n .md-nav--lifted > .md-nav__list > .md-nav__item--active {\n display: block;\n padding: 0;\n }\n .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link {\n margin-top: 0;\n padding: 0 0.6rem;\n font-weight: 700;\n pointer-events: none;\n }\n .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link--index [href] {\n pointer-events: initial;\n }\n .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link .md-nav__icon {\n display: none;\n }\n .md-nav--lifted .md-nav[data-md-level=\"1\"] {\n display: block;\n }\n .md-nav--lifted .md-nav[data-md-level=\"1\"] > .md-nav__list > .md-nav__item {\n padding-right: 0.6rem;\n }\n .md-nav--integrated > .md-nav__list > .md-nav__item--active:not(.md-nav__item--nested) {\n padding: 0 0.6rem;\n }\n .md-nav--integrated > .md-nav__list > .md-nav__item--active:not(.md-nav__item--nested) > .md-nav__link {\n padding: 0;\n }\n .md-nav--integrated > .md-nav__list > .md-nav__item--active .md-nav--secondary {\n display: block;\n margin-bottom: 1.25em;\n border-left: 0.05rem solid var(--md-primary-fg-color);\n }\n .md-nav--integrated > .md-nav__list > .md-nav__item--active .md-nav--secondary > .md-nav__title {\n display: none;\n }\n}\n\n:root {\n --md-search-result-icon: svg-load(\"material/file-search-outline.svg\");\n}\n\n.md-search {\n position: relative;\n}\n@media screen and (min-width: 60em) {\n .md-search {\n padding: 0.2rem 0;\n }\n}\n.no-js .md-search {\n display: none;\n}\n.md-search__overlay {\n z-index: 1;\n opacity: 0;\n}\n@media screen and (max-width: 59.9375em) {\n .md-search__overlay {\n position: absolute;\n top: -1rem;\n left: -2.2rem;\n width: 2rem;\n height: 2rem;\n overflow: hidden;\n background-color: var(--md-default-bg-color);\n border-radius: 1rem;\n transform-origin: center;\n transition: transform 300ms 100ms, opacity 200ms 200ms;\n pointer-events: none;\n }\n [dir=rtl] .md-search__overlay {\n right: -2.2rem;\n left: initial;\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n opacity: 1;\n transition: transform 400ms, opacity 100ms;\n }\n}\n@media screen and (min-width: 60em) {\n .md-search__overlay {\n position: fixed;\n top: 0;\n left: 0;\n width: 0;\n height: 0;\n background-color: rgba(0, 0, 0, 0.54);\n cursor: pointer;\n transition: width 0ms 250ms, height 0ms 250ms, opacity 250ms;\n }\n [dir=rtl] .md-search__overlay {\n right: 0;\n left: initial;\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n width: 100%;\n height: 200vh;\n opacity: 1;\n transition: width 0ms, height 0ms, opacity 250ms;\n }\n}\n@media screen and (max-width: 29.9375em) {\n [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n transform: scale(45);\n }\n}\n@media screen and (min-width: 30em) and (max-width: 44.9375em) {\n [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n transform: scale(60);\n }\n}\n@media screen and (min-width: 45em) and (max-width: 59.9375em) {\n [data-md-toggle=search]:checked ~ .md-header .md-search__overlay {\n transform: scale(75);\n }\n}\n.md-search__inner {\n backface-visibility: hidden;\n}\n@media screen and (max-width: 59.9375em) {\n .md-search__inner {\n position: fixed;\n top: 0;\n left: 0;\n z-index: 2;\n width: 0;\n height: 0;\n overflow: hidden;\n transform: translateX(5%);\n opacity: 0;\n transition: width 0ms 300ms, height 0ms 300ms, transform 150ms 150ms cubic-bezier(0.4, 0, 0.2, 1), opacity 150ms 150ms;\n }\n [dir=rtl] .md-search__inner {\n right: 0;\n left: initial;\n transform: translateX(-5%);\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n width: 100%;\n height: 100%;\n transform: translateX(0);\n opacity: 1;\n transition: width 0ms 0ms, height 0ms 0ms, transform 150ms 150ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms 150ms;\n }\n}\n@media screen and (min-width: 60em) {\n .md-search__inner {\n position: relative;\n float: right;\n width: 11.7rem;\n padding: 0.1rem 0;\n transition: width 250ms cubic-bezier(0.1, 0.7, 0.1, 1);\n }\n [dir=rtl] .md-search__inner {\n float: left;\n }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n width: 23.4rem;\n }\n}\n@media screen and (min-width: 76.25em) {\n [data-md-toggle=search]:checked ~ .md-header .md-search__inner {\n width: 34.4rem;\n }\n}\n.md-search__form {\n position: relative;\n z-index: 2;\n height: 2.4rem;\n background-color: var(--md-default-bg-color);\n box-shadow: 0 0 0.6rem transparent;\n transition: color 250ms, background-color 250ms;\n}\n@media screen and (min-width: 60em) {\n .md-search__form {\n height: 1.8rem;\n background-color: rgba(0, 0, 0, 0.26);\n border-radius: 0.1rem;\n }\n .md-search__form:hover {\n background-color: rgba(255, 255, 255, 0.12);\n }\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__form {\n color: var(--md-default-fg-color);\n background-color: var(--md-default-bg-color);\n border-radius: 0.1rem 0.1rem 0 0;\n box-shadow: 0 0 0.6rem rgba(0, 0, 0, 0.07);\n}\n.md-search__input {\n position: relative;\n z-index: 2;\n width: 100%;\n height: 100%;\n padding: 0 2.2rem 0 3.6rem;\n font-size: 0.9rem;\n text-overflow: ellipsis;\n background: transparent;\n}\n[dir=rtl] .md-search__input {\n padding: 0 3.6rem 0 2.2rem;\n}\n.md-search__input::placeholder {\n transition: color 250ms;\n}\n.md-search__input ~ .md-search__icon, .md-search__input::placeholder {\n color: var(--md-default-fg-color--light);\n}\n.md-search__input::-ms-clear {\n display: none;\n}\n@media screen and (max-width: 59.9375em) {\n .md-search__input {\n width: 100%;\n height: 2.4rem;\n font-size: 0.9rem;\n }\n}\n@media screen and (min-width: 60em) {\n .md-search__input {\n padding-left: 2.2rem;\n color: inherit;\n font-size: 0.8rem;\n }\n [dir=rtl] .md-search__input {\n padding-right: 2.2rem;\n }\n .md-search__input::placeholder {\n color: var(--md-primary-bg-color--light);\n }\n .md-search__input + .md-search__icon {\n color: var(--md-primary-bg-color);\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__input {\n text-overflow: clip;\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__input + .md-search__icon, [data-md-toggle=search]:checked ~ .md-header .md-search__input::placeholder {\n color: var(--md-default-fg-color--light);\n }\n}\n.md-search__icon {\n display: inline-block;\n width: 1.2rem;\n height: 1.2rem;\n cursor: pointer;\n transition: color 250ms, opacity 250ms;\n}\n.md-search__icon:hover {\n opacity: 0.7;\n}\n.md-search__icon[for=__search] {\n position: absolute;\n top: 0.3rem;\n left: 0.5rem;\n z-index: 2;\n}\n[dir=rtl] .md-search__icon[for=__search] {\n right: 0.5rem;\n left: initial;\n}\n[dir=rtl] .md-search__icon[for=__search] svg {\n transform: scaleX(-1);\n}\n@media screen and (max-width: 59.9375em) {\n .md-search__icon[for=__search] {\n top: 0.6rem;\n left: 0.8rem;\n }\n [dir=rtl] .md-search__icon[for=__search] {\n right: 0.8rem;\n left: initial;\n }\n .md-search__icon[for=__search] svg:first-child {\n display: none;\n }\n}\n@media screen and (min-width: 60em) {\n .md-search__icon[for=__search] {\n pointer-events: none;\n }\n .md-search__icon[for=__search] svg:last-child {\n display: none;\n }\n}\n.md-search__options {\n position: absolute;\n top: 0.3rem;\n right: 0.5rem;\n z-index: 2;\n pointer-events: none;\n}\n[dir=rtl] .md-search__options {\n right: initial;\n left: 0.5rem;\n}\n@media screen and (max-width: 59.9375em) {\n .md-search__options {\n top: 0.6rem;\n right: 0.8rem;\n }\n [dir=rtl] .md-search__options {\n right: initial;\n left: 0.8rem;\n }\n}\n.md-search__options > * {\n margin-left: 0.2rem;\n color: var(--md-default-fg-color--light);\n transform: scale(0.75);\n opacity: 0;\n transition: transform 150ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 150ms;\n}\n.md-search__options > *:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input:valid ~ .md-search__options > * {\n transform: scale(1);\n opacity: 1;\n pointer-events: initial;\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__input:valid ~ .md-search__options > *:hover {\n opacity: 0.7;\n}\n.md-search__suggest {\n position: absolute;\n top: 0;\n display: flex;\n align-items: center;\n width: 100%;\n height: 100%;\n padding: 0 2.2rem 0 3.6rem;\n color: var(--md-default-fg-color--lighter);\n font-size: 0.9rem;\n white-space: nowrap;\n opacity: 0;\n transition: opacity 50ms;\n}\n[dir=rtl] .md-search__suggest {\n padding: 0 3.6rem 0 2.2rem;\n}\n@media screen and (min-width: 60em) {\n .md-search__suggest {\n padding-left: 2.2rem;\n font-size: 0.8rem;\n }\n [dir=rtl] .md-search__suggest {\n padding-right: 2.2rem;\n }\n}\n[data-md-toggle=search]:checked ~ .md-header .md-search__suggest {\n opacity: 1;\n transition: opacity 300ms 100ms;\n}\n.md-search__output {\n position: absolute;\n z-index: 1;\n width: 100%;\n overflow: hidden;\n border-radius: 0 0 0.1rem 0.1rem;\n}\n@media screen and (max-width: 59.9375em) {\n .md-search__output {\n top: 2.4rem;\n bottom: 0;\n }\n}\n@media screen and (min-width: 60em) {\n .md-search__output {\n top: 1.9rem;\n opacity: 0;\n transition: opacity 400ms;\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__output {\n box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.4);\n opacity: 1;\n }\n}\n.md-search__scrollwrap {\n height: 100%;\n overflow-y: auto;\n background-color: var(--md-default-bg-color);\n backface-visibility: hidden;\n touch-action: pan-y;\n}\n@media (max-resolution: 1dppx) {\n .md-search__scrollwrap {\n transform: translateZ(0);\n }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n .md-search__scrollwrap {\n width: 23.4rem;\n }\n}\n@media screen and (min-width: 76.25em) {\n .md-search__scrollwrap {\n width: 34.4rem;\n }\n}\n@media screen and (min-width: 60em) {\n .md-search__scrollwrap {\n max-height: 0;\n scrollbar-width: thin;\n scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n }\n [data-md-toggle=search]:checked ~ .md-header .md-search__scrollwrap {\n max-height: 75vh;\n }\n .md-search__scrollwrap:hover {\n scrollbar-color: var(--md-accent-fg-color) transparent;\n }\n .md-search__scrollwrap::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem;\n }\n .md-search__scrollwrap::-webkit-scrollbar-thumb {\n background-color: var(--md-default-fg-color--lighter);\n }\n .md-search__scrollwrap::-webkit-scrollbar-thumb:hover {\n background-color: var(--md-accent-fg-color);\n }\n}\n\n.md-search-result {\n color: var(--md-default-fg-color);\n word-break: break-word;\n}\n.md-search-result__meta {\n padding: 0 0.8rem;\n color: var(--md-default-fg-color--light);\n font-size: 0.64rem;\n line-height: 1.8rem;\n background-color: var(--md-default-fg-color--lightest);\n scroll-snap-align: start;\n}\n@media screen and (min-width: 60em) {\n .md-search-result__meta {\n padding-left: 2.2rem;\n }\n [dir=rtl] .md-search-result__meta {\n padding-right: 2.2rem;\n padding-left: initial;\n }\n}\n.md-search-result__list {\n margin: 0;\n padding: 0;\n list-style: none;\n}\n.md-search-result__item {\n box-shadow: 0 -0.05rem 0 var(--md-default-fg-color--lightest);\n}\n.md-search-result__item:first-child {\n box-shadow: none;\n}\n.md-search-result__link {\n display: block;\n outline: none;\n transition: background-color 250ms;\n scroll-snap-align: start;\n}\n.md-search-result__link:focus, .md-search-result__link:hover {\n background-color: var(--md-accent-fg-color--transparent);\n}\n.md-search-result__link:last-child p:last-child {\n margin-bottom: 0.6rem;\n}\n.md-search-result__more summary {\n display: block;\n padding: 0.75em 0.8rem;\n color: var(--md-typeset-a-color);\n font-size: 0.64rem;\n outline: none;\n cursor: pointer;\n transition: color 250ms, background-color 250ms;\n scroll-snap-align: start;\n}\n@media screen and (min-width: 60em) {\n .md-search-result__more summary {\n padding-left: 2.2rem;\n }\n [dir=rtl] .md-search-result__more summary {\n padding-right: 2.2rem;\n padding-left: 0.8rem;\n }\n}\n.md-search-result__more summary:focus, .md-search-result__more summary:hover {\n color: var(--md-accent-fg-color);\n background-color: var(--md-accent-fg-color--transparent);\n}\n.md-search-result__more summary::marker, .md-search-result__more summary::-webkit-details-marker {\n display: none;\n}\n.md-search-result__more summary ~ * > * {\n opacity: 0.65;\n}\n.md-search-result__article {\n position: relative;\n padding: 0 0.8rem;\n overflow: hidden;\n}\n@media screen and (min-width: 60em) {\n .md-search-result__article {\n padding-left: 2.2rem;\n }\n [dir=rtl] .md-search-result__article {\n padding-right: 2.2rem;\n padding-left: 0.8rem;\n }\n}\n.md-search-result__article--document .md-search-result__title {\n margin: 0.55rem 0;\n font-weight: 400;\n font-size: 0.8rem;\n line-height: 1.4;\n}\n.md-search-result__icon {\n position: absolute;\n left: 0;\n width: 1.2rem;\n height: 1.2rem;\n margin: 0.5rem;\n color: var(--md-default-fg-color--light);\n}\n@media screen and (max-width: 59.9375em) {\n .md-search-result__icon {\n display: none;\n }\n}\n.md-search-result__icon::after {\n display: inline-block;\n width: 100%;\n height: 100%;\n background-color: currentColor;\n mask-image: var(--md-search-result-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n}\n[dir=rtl] .md-search-result__icon {\n right: 0;\n left: initial;\n}\n[dir=rtl] .md-search-result__icon::after {\n transform: scaleX(-1);\n}\n.md-search-result__title {\n margin: 0.5em 0;\n font-weight: 700;\n font-size: 0.64rem;\n line-height: 1.6;\n}\n.md-search-result__teaser {\n display: -webkit-box;\n max-height: 2rem;\n margin: 0.5em 0;\n overflow: hidden;\n color: var(--md-default-fg-color--light);\n font-size: 0.64rem;\n line-height: 1.6;\n text-overflow: ellipsis;\n -webkit-box-orient: vertical;\n -webkit-line-clamp: 2;\n}\n@media screen and (max-width: 44.9375em) {\n .md-search-result__teaser {\n max-height: 3rem;\n -webkit-line-clamp: 3;\n }\n}\n@media screen and (min-width: 60em) and (max-width: 76.1875em) {\n .md-search-result__teaser {\n max-height: 3rem;\n -webkit-line-clamp: 3;\n }\n}\n.md-search-result__teaser mark {\n text-decoration: underline;\n background-color: transparent;\n}\n.md-search-result__terms {\n margin: 0.5em 0;\n font-size: 0.64rem;\n font-style: italic;\n}\n.md-search-result mark {\n color: var(--md-accent-fg-color);\n background-color: transparent;\n}\n\n.md-select {\n position: relative;\n z-index: 1;\n}\n.md-select__inner {\n position: absolute;\n top: calc(100% - 0.2rem);\n left: 50%;\n max-height: 0;\n margin-top: 0.2rem;\n color: var(--md-default-fg-color);\n background-color: var(--md-default-bg-color);\n border-radius: 0.1rem;\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n transform: translate3d(-50%, 0.3rem, 0);\n opacity: 0;\n transition: transform 250ms 375ms, opacity 250ms 250ms, max-height 0ms 500ms;\n}\n.md-select:focus-within .md-select__inner, .md-select:hover .md-select__inner {\n max-height: 10rem;\n transform: translate3d(-50%, 0, 0);\n opacity: 1;\n transition: transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 250ms, max-height 0ms;\n}\n.md-select__inner::after {\n position: absolute;\n top: 0;\n left: 50%;\n width: 0;\n height: 0;\n margin-top: -0.2rem;\n margin-left: -0.2rem;\n border: 0.2rem solid transparent;\n border-top: 0;\n border-bottom-color: var(--md-default-bg-color);\n content: \"\";\n}\n.md-select__list {\n max-height: inherit;\n margin: 0;\n padding: 0;\n overflow: auto;\n font-size: 0.8rem;\n list-style-type: none;\n border-radius: 0.1rem;\n}\n.md-select__item {\n line-height: 1.8rem;\n}\n.md-select__link {\n display: block;\n width: 100%;\n padding-right: 1.2rem;\n padding-left: 0.6rem;\n outline: none;\n cursor: pointer;\n transition: background-color 250ms, color 250ms;\n scroll-snap-align: start;\n}\n[dir=rtl] .md-select__link {\n padding-right: 0.6rem;\n padding-left: 1.2rem;\n}\n.md-select__link:focus, .md-select__link:hover {\n color: var(--md-accent-fg-color);\n}\n.md-select__link:focus {\n background-color: var(--md-default-fg-color--lightest);\n}\n\n.md-sidebar {\n position: sticky;\n top: 2.4rem;\n flex-shrink: 0;\n align-self: flex-start;\n width: 12.1rem;\n padding: 1.2rem 0;\n}\n@media print {\n .md-sidebar {\n display: none;\n }\n}\n@media screen and (max-width: 76.1875em) {\n .md-sidebar--primary {\n position: fixed;\n top: 0;\n left: -12.1rem;\n z-index: 4;\n display: block;\n width: 12.1rem;\n height: 100%;\n background-color: var(--md-default-bg-color);\n transform: translateX(0);\n transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms;\n }\n [dir=rtl] .md-sidebar--primary {\n right: -12.1rem;\n left: initial;\n }\n [data-md-toggle=drawer]:checked ~ .md-container .md-sidebar--primary {\n box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12), 0 5px 5px -3px rgba(0, 0, 0, 0.4);\n transform: translateX(12.1rem);\n }\n [dir=rtl] [data-md-toggle=drawer]:checked ~ .md-container .md-sidebar--primary {\n transform: translateX(-12.1rem);\n }\n .md-sidebar--primary .md-sidebar__scrollwrap {\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n margin: 0;\n scroll-snap-type: none;\n overflow: hidden;\n }\n}\n@media screen and (min-width: 76.25em) {\n .md-sidebar {\n height: 0;\n }\n .no-js .md-sidebar {\n height: auto;\n }\n}\n.md-sidebar--secondary {\n display: none;\n order: 2;\n}\n@media screen and (min-width: 60em) {\n .md-sidebar--secondary {\n height: 0;\n }\n .no-js .md-sidebar--secondary {\n height: auto;\n }\n .md-sidebar--secondary:not([hidden]) {\n display: block;\n }\n .md-sidebar--secondary .md-sidebar__scrollwrap {\n touch-action: pan-y;\n }\n}\n.md-sidebar__scrollwrap {\n margin: 0 0.2rem;\n overflow-y: auto;\n backface-visibility: hidden;\n scrollbar-width: thin;\n scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n}\n.md-sidebar__scrollwrap:hover {\n scrollbar-color: var(--md-accent-fg-color) transparent;\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem;\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar-thumb {\n background-color: var(--md-default-fg-color--lighter);\n}\n.md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover {\n background-color: var(--md-accent-fg-color);\n}\n\n@media screen and (max-width: 76.1875em) {\n .md-overlay {\n position: fixed;\n top: 0;\n z-index: 4;\n width: 0;\n height: 0;\n background-color: rgba(0, 0, 0, 0.54);\n opacity: 0;\n transition: width 0ms 250ms, height 0ms 250ms, opacity 250ms;\n }\n [data-md-toggle=drawer]:checked ~ .md-overlay {\n width: 100%;\n height: 100%;\n opacity: 1;\n transition: width 0ms, height 0ms, opacity 250ms;\n }\n}\n@keyframes facts {\n 0% {\n height: 0;\n }\n 100% {\n height: 0.65rem;\n }\n}\n@keyframes fact {\n 0% {\n transform: translateY(100%);\n opacity: 0;\n }\n 50% {\n opacity: 0;\n }\n 100% {\n transform: translateY(0%);\n opacity: 1;\n }\n}\n:root {\n --md-source-forks-icon: svg-load(\"octicons/repo-forked-16.svg\");\n --md-source-repositories-icon: svg-load(\"octicons/repo-16.svg\");\n --md-source-stars-icon: svg-load(\"octicons/star-16.svg\");\n --md-source-version-icon: svg-load(\"octicons/tag-16.svg\");\n}\n\n.md-source {\n display: block;\n font-size: 0.65rem;\n line-height: 1.2;\n white-space: nowrap;\n outline-color: var(--md-accent-fg-color);\n backface-visibility: hidden;\n transition: opacity 250ms;\n}\n.md-source:hover {\n opacity: 0.7;\n}\n.md-source__icon {\n display: inline-block;\n width: 2rem;\n height: 2.4rem;\n vertical-align: middle;\n}\n.md-source__icon svg {\n margin-top: 0.6rem;\n margin-left: 0.6rem;\n}\n[dir=rtl] .md-source__icon svg {\n margin-right: 0.6rem;\n margin-left: initial;\n}\n.md-source__icon + .md-source__repository {\n margin-left: -2rem;\n padding-left: 2rem;\n}\n[dir=rtl] .md-source__icon + .md-source__repository {\n margin-right: -2rem;\n margin-left: initial;\n padding-right: 2rem;\n padding-left: initial;\n}\n.md-source__repository {\n display: inline-block;\n max-width: calc(100% - 1.2rem);\n margin-left: 0.6rem;\n overflow: hidden;\n text-overflow: ellipsis;\n vertical-align: middle;\n}\n.md-source__facts {\n margin: 0.1rem 0 0;\n padding: 0;\n overflow: hidden;\n font-size: 0.55rem;\n list-style-type: none;\n opacity: 0.75;\n}\n[data-md-state=done] .md-source__facts {\n animation: facts 250ms ease-in;\n}\n.md-source__fact {\n display: inline-block;\n}\n[data-md-state=done] .md-source__fact {\n animation: fact 400ms ease-out;\n}\n.md-source__fact::before {\n display: inline-block;\n width: 0.6rem;\n height: 0.6rem;\n margin-right: 0.1rem;\n vertical-align: text-top;\n background-color: currentColor;\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n}\n[dir=rtl] .md-source__fact::before {\n margin-right: initial;\n margin-left: 0.1rem;\n}\n.md-source__fact:nth-child(1n+2)::before {\n margin-left: 0.4rem;\n}\n[dir=rtl] .md-source__fact:nth-child(1n+2)::before {\n margin-right: 0.4rem;\n margin-left: 0.1rem;\n}\n.md-source__fact--version::before {\n mask-image: var(--md-source-version-icon);\n}\n.md-source__fact--stars::before {\n mask-image: var(--md-source-stars-icon);\n}\n.md-source__fact--forks::before {\n mask-image: var(--md-source-forks-icon);\n}\n.md-source__fact--repositories::before {\n mask-image: var(--md-source-repositories-icon);\n}\n\n.md-tabs {\n width: 100%;\n overflow: auto;\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n}\n@media print {\n .md-tabs {\n display: none;\n }\n}\n@media screen and (max-width: 76.1875em) {\n .md-tabs {\n display: none;\n }\n}\n.md-tabs[data-md-state=hidden] {\n pointer-events: none;\n}\n.md-tabs__list {\n margin: 0;\n margin-left: 0.2rem;\n padding: 0;\n white-space: nowrap;\n list-style: none;\n contain: content;\n}\n[dir=rtl] .md-tabs__list {\n margin-right: 0.2rem;\n margin-left: initial;\n}\n.md-tabs__item {\n display: inline-block;\n height: 2.4rem;\n padding-right: 0.6rem;\n padding-left: 0.6rem;\n}\n.md-tabs__link {\n display: block;\n margin-top: 0.8rem;\n font-size: 0.7rem;\n outline-color: var(--md-accent-fg-color);\n outline-offset: 0.2rem;\n backface-visibility: hidden;\n opacity: 0.7;\n transition: transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1), opacity 250ms;\n}\n.md-tabs__link--active, .md-tabs__link:focus, .md-tabs__link:hover {\n color: inherit;\n opacity: 1;\n}\n.md-tabs__item:nth-child(2) .md-tabs__link {\n transition-delay: 20ms;\n}\n.md-tabs__item:nth-child(3) .md-tabs__link {\n transition-delay: 40ms;\n}\n.md-tabs__item:nth-child(4) .md-tabs__link {\n transition-delay: 60ms;\n}\n.md-tabs__item:nth-child(5) .md-tabs__link {\n transition-delay: 80ms;\n}\n.md-tabs__item:nth-child(6) .md-tabs__link {\n transition-delay: 100ms;\n}\n.md-tabs__item:nth-child(7) .md-tabs__link {\n transition-delay: 120ms;\n}\n.md-tabs__item:nth-child(8) .md-tabs__link {\n transition-delay: 140ms;\n}\n.md-tabs__item:nth-child(9) .md-tabs__link {\n transition-delay: 160ms;\n}\n.md-tabs__item:nth-child(10) .md-tabs__link {\n transition-delay: 180ms;\n}\n.md-tabs__item:nth-child(11) .md-tabs__link {\n transition-delay: 200ms;\n}\n.md-tabs__item:nth-child(12) .md-tabs__link {\n transition-delay: 220ms;\n}\n.md-tabs__item:nth-child(13) .md-tabs__link {\n transition-delay: 240ms;\n}\n.md-tabs__item:nth-child(14) .md-tabs__link {\n transition-delay: 260ms;\n}\n.md-tabs__item:nth-child(15) .md-tabs__link {\n transition-delay: 280ms;\n}\n.md-tabs__item:nth-child(16) .md-tabs__link {\n transition-delay: 300ms;\n}\n.md-tabs[data-md-state=hidden] .md-tabs__link {\n transform: translateY(50%);\n opacity: 0;\n transition: transform 0ms 100ms, opacity 100ms;\n}\n\n.md-top {\n position: fixed;\n top: 3.2rem;\n z-index: 2;\n margin-left: 50%;\n padding: 0.4rem 0.8rem;\n color: var(--md-default-fg-color--light);\n font-size: 0.7rem;\n background-color: var(--md-default-bg-color);\n border-radius: 1.6rem;\n outline: none;\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n transform: translate(-50%, 0);\n transition: color 125ms, background-color 125ms, transform 125ms cubic-bezier(0.4, 0, 0.2, 1), opacity 125ms;\n}\n@media print {\n .md-top {\n display: none;\n }\n}\n[dir=rtl] .md-top {\n margin-right: 50%;\n margin-left: initial;\n transform: translate(50%, 0);\n}\n.md-top[data-md-state=hidden] {\n transform: translate(-50%, 0.2rem);\n opacity: 0;\n transition-duration: 0ms;\n pointer-events: none;\n}\n[dir=rtl] .md-top[data-md-state=hidden] {\n transform: translate(50%, 0.2rem);\n}\n.md-top:focus, .md-top:hover {\n color: var(--md-accent-bg-color);\n background-color: var(--md-accent-fg-color);\n}\n.md-top svg {\n display: inline-block;\n vertical-align: -0.5em;\n}\n\n@keyframes hoverfix {\n 0% {\n pointer-events: none;\n }\n}\n:root {\n --md-version-icon: svg-load(\"fontawesome/solid/caret-down.svg\");\n}\n\n.md-version {\n flex-shrink: 0;\n height: 2.4rem;\n font-size: 0.8rem;\n}\n.md-version__current {\n position: relative;\n top: 0.05rem;\n margin-right: 0.4rem;\n margin-left: 1.4rem;\n color: inherit;\n outline: none;\n cursor: pointer;\n}\n[dir=rtl] .md-version__current {\n margin-right: 1.4rem;\n margin-left: 0.4rem;\n}\n.md-version__current::after {\n display: inline-block;\n width: 0.4rem;\n height: 0.6rem;\n margin-left: 0.4rem;\n background-color: currentColor;\n mask-image: var(--md-version-icon);\n mask-repeat: no-repeat;\n content: \"\";\n}\n[dir=rtl] .md-version__current::after {\n margin-right: 0.4rem;\n margin-left: initial;\n}\n.md-version__list {\n position: absolute;\n top: 0.15rem;\n z-index: 1;\n max-height: 0;\n margin: 0.2rem 0.8rem;\n padding: 0;\n overflow: auto;\n color: var(--md-default-fg-color);\n list-style-type: none;\n background-color: var(--md-default-bg-color);\n border-radius: 0.1rem;\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1), 0 0 0.05rem rgba(0, 0, 0, 0.25);\n opacity: 0;\n transition: max-height 0ms 500ms, opacity 250ms 250ms;\n scroll-snap-type: y mandatory;\n}\n.md-version:focus-within .md-version__list, .md-version:hover .md-version__list {\n max-height: 10rem;\n opacity: 1;\n transition: max-height 0ms, opacity 250ms;\n}\n@media (pointer: coarse) {\n .md-version:hover .md-version__list {\n animation: hoverfix 250ms forwards;\n }\n .md-version:focus-within .md-version__list {\n animation: none;\n }\n}\n.md-version__item {\n line-height: 1.8rem;\n}\n.md-version__link {\n display: block;\n width: 100%;\n padding-right: 1.2rem;\n padding-left: 0.6rem;\n white-space: nowrap;\n outline: none;\n cursor: pointer;\n transition: color 250ms, background-color 250ms;\n scroll-snap-align: start;\n}\n[dir=rtl] .md-version__link {\n padding-right: 0.6rem;\n padding-left: 1.2rem;\n}\n.md-version__link:focus, .md-version__link:hover {\n color: var(--md-accent-fg-color);\n}\n.md-version__link:focus {\n background-color: var(--md-default-fg-color--lightest);\n}\n\n:root {\n --md-admonition-icon--note:\n svg-load(\"material/pencil.svg\");\n --md-admonition-icon--abstract:\n svg-load(\"material/clipboard-text.svg\");\n --md-admonition-icon--info:\n svg-load(\"material/information.svg\");\n --md-admonition-icon--tip:\n svg-load(\"material/fire.svg\");\n --md-admonition-icon--success:\n svg-load(\"material/check-bold.svg\");\n --md-admonition-icon--question:\n svg-load(\"material/help-circle.svg\");\n --md-admonition-icon--warning:\n svg-load(\"material/alert.svg\");\n --md-admonition-icon--failure:\n svg-load(\"material/close-thick.svg\");\n --md-admonition-icon--danger:\n svg-load(\"material/lightning-bolt.svg\");\n --md-admonition-icon--bug:\n svg-load(\"material/bug.svg\");\n --md-admonition-icon--example:\n svg-load(\"material/format-list-numbered.svg\");\n --md-admonition-icon--quote:\n svg-load(\"material/format-quote-close.svg\");\n}\n\n.md-typeset .admonition, .md-typeset details {\n margin: 1.5625em 0;\n padding: 0 0.6rem;\n overflow: hidden;\n color: var(--md-admonition-fg-color);\n font-size: 0.64rem;\n page-break-inside: avoid;\n background-color: var(--md-admonition-bg-color);\n border-left: 0.2rem solid #448aff;\n border-radius: 0.1rem;\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0.025rem 0.05rem rgba(0, 0, 0, 0.05);\n}\n@media print {\n .md-typeset .admonition, .md-typeset details {\n box-shadow: none;\n }\n}\n[dir=rtl] .md-typeset .admonition, [dir=rtl] .md-typeset details {\n border-right: 0.2rem solid #448aff;\n border-left: none;\n}\n.md-typeset .admonition .admonition, .md-typeset details .admonition, .md-typeset .admonition details, .md-typeset details details {\n margin-top: 1em;\n margin-bottom: 1em;\n}\n.md-typeset .admonition .md-typeset__scrollwrap, .md-typeset details .md-typeset__scrollwrap {\n margin: 1em -0.6rem;\n}\n.md-typeset .admonition .md-typeset__table, .md-typeset details .md-typeset__table {\n padding: 0 0.6rem;\n}\n.md-typeset .admonition > .tabbed-set:only-child, .md-typeset details > .tabbed-set:only-child {\n margin-top: 0;\n}\nhtml .md-typeset .admonition > :last-child, html .md-typeset details > :last-child {\n margin-bottom: 0.6rem;\n}\n.md-typeset .admonition-title, .md-typeset summary {\n position: relative;\n margin: 0 -0.6rem 0 -0.8rem;\n padding: 0.4rem 0.6rem 0.4rem 2rem;\n font-weight: 700;\n background-color: rgba(68, 138, 255, 0.1);\n border-left: 0.2rem solid #448aff;\n}\n[dir=rtl] .md-typeset .admonition-title, [dir=rtl] .md-typeset summary {\n margin: 0 -0.8rem 0 -0.6rem;\n padding: 0.4rem 2rem 0.4rem 0.6rem;\n border-right: 0.2rem solid #448aff;\n border-left: none;\n}\nhtml .md-typeset .admonition-title:last-child, html .md-typeset summary:last-child {\n margin-bottom: 0;\n}\n.md-typeset .admonition-title::before, .md-typeset summary::before {\n position: absolute;\n left: 0.6rem;\n width: 1rem;\n height: 1rem;\n background-color: #448aff;\n mask-image: var(--md-admonition-icon--note);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n}\n[dir=rtl] .md-typeset .admonition-title::before, [dir=rtl] .md-typeset summary::before {\n right: 0.6rem;\n left: initial;\n}\n\n.md-typeset .admonition.note, .md-typeset details.note {\n border-color: #448aff;\n}\n\n.md-typeset .note > .admonition-title, .md-typeset .note > summary {\n background-color: rgba(68, 138, 255, 0.1);\n border-color: #448aff;\n}\n.md-typeset .note > .admonition-title::before, .md-typeset .note > summary::before {\n background-color: #448aff;\n mask-image: var(--md-admonition-icon--note);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.abstract, .md-typeset details.abstract, .md-typeset .admonition.tldr, .md-typeset details.tldr, .md-typeset .admonition.summary, .md-typeset details.summary {\n border-color: #00b0ff;\n}\n\n.md-typeset .abstract > .admonition-title, .md-typeset .abstract > summary, .md-typeset .tldr > .admonition-title, .md-typeset .tldr > summary, .md-typeset .summary > .admonition-title, .md-typeset .summary > summary {\n background-color: rgba(0, 176, 255, 0.1);\n border-color: #00b0ff;\n}\n.md-typeset .abstract > .admonition-title::before, .md-typeset .abstract > summary::before, .md-typeset .tldr > .admonition-title::before, .md-typeset .tldr > summary::before, .md-typeset .summary > .admonition-title::before, .md-typeset .summary > summary::before {\n background-color: #00b0ff;\n mask-image: var(--md-admonition-icon--abstract);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.info, .md-typeset details.info, .md-typeset .admonition.todo, .md-typeset details.todo {\n border-color: #00b8d4;\n}\n\n.md-typeset .info > .admonition-title, .md-typeset .info > summary, .md-typeset .todo > .admonition-title, .md-typeset .todo > summary {\n background-color: rgba(0, 184, 212, 0.1);\n border-color: #00b8d4;\n}\n.md-typeset .info > .admonition-title::before, .md-typeset .info > summary::before, .md-typeset .todo > .admonition-title::before, .md-typeset .todo > summary::before {\n background-color: #00b8d4;\n mask-image: var(--md-admonition-icon--info);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.tip, .md-typeset details.tip, .md-typeset .admonition.important, .md-typeset details.important, .md-typeset .admonition.hint, .md-typeset details.hint {\n border-color: #00bfa5;\n}\n\n.md-typeset .tip > .admonition-title, .md-typeset .tip > summary, .md-typeset .important > .admonition-title, .md-typeset .important > summary, .md-typeset .hint > .admonition-title, .md-typeset .hint > summary {\n background-color: rgba(0, 191, 165, 0.1);\n border-color: #00bfa5;\n}\n.md-typeset .tip > .admonition-title::before, .md-typeset .tip > summary::before, .md-typeset .important > .admonition-title::before, .md-typeset .important > summary::before, .md-typeset .hint > .admonition-title::before, .md-typeset .hint > summary::before {\n background-color: #00bfa5;\n mask-image: var(--md-admonition-icon--tip);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.success, .md-typeset details.success, .md-typeset .admonition.done, .md-typeset details.done, .md-typeset .admonition.check, .md-typeset details.check {\n border-color: #00c853;\n}\n\n.md-typeset .success > .admonition-title, .md-typeset .success > summary, .md-typeset .done > .admonition-title, .md-typeset .done > summary, .md-typeset .check > .admonition-title, .md-typeset .check > summary {\n background-color: rgba(0, 200, 83, 0.1);\n border-color: #00c853;\n}\n.md-typeset .success > .admonition-title::before, .md-typeset .success > summary::before, .md-typeset .done > .admonition-title::before, .md-typeset .done > summary::before, .md-typeset .check > .admonition-title::before, .md-typeset .check > summary::before {\n background-color: #00c853;\n mask-image: var(--md-admonition-icon--success);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.question, .md-typeset details.question, .md-typeset .admonition.faq, .md-typeset details.faq, .md-typeset .admonition.help, .md-typeset details.help {\n border-color: #64dd17;\n}\n\n.md-typeset .question > .admonition-title, .md-typeset .question > summary, .md-typeset .faq > .admonition-title, .md-typeset .faq > summary, .md-typeset .help > .admonition-title, .md-typeset .help > summary {\n background-color: rgba(100, 221, 23, 0.1);\n border-color: #64dd17;\n}\n.md-typeset .question > .admonition-title::before, .md-typeset .question > summary::before, .md-typeset .faq > .admonition-title::before, .md-typeset .faq > summary::before, .md-typeset .help > .admonition-title::before, .md-typeset .help > summary::before {\n background-color: #64dd17;\n mask-image: var(--md-admonition-icon--question);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.warning, .md-typeset details.warning, .md-typeset .admonition.attention, .md-typeset details.attention, .md-typeset .admonition.caution, .md-typeset details.caution {\n border-color: #ff9100;\n}\n\n.md-typeset .warning > .admonition-title, .md-typeset .warning > summary, .md-typeset .attention > .admonition-title, .md-typeset .attention > summary, .md-typeset .caution > .admonition-title, .md-typeset .caution > summary {\n background-color: rgba(255, 145, 0, 0.1);\n border-color: #ff9100;\n}\n.md-typeset .warning > .admonition-title::before, .md-typeset .warning > summary::before, .md-typeset .attention > .admonition-title::before, .md-typeset .attention > summary::before, .md-typeset .caution > .admonition-title::before, .md-typeset .caution > summary::before {\n background-color: #ff9100;\n mask-image: var(--md-admonition-icon--warning);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.failure, .md-typeset details.failure, .md-typeset .admonition.missing, .md-typeset details.missing, .md-typeset .admonition.fail, .md-typeset details.fail {\n border-color: #ff5252;\n}\n\n.md-typeset .failure > .admonition-title, .md-typeset .failure > summary, .md-typeset .missing > .admonition-title, .md-typeset .missing > summary, .md-typeset .fail > .admonition-title, .md-typeset .fail > summary {\n background-color: rgba(255, 82, 82, 0.1);\n border-color: #ff5252;\n}\n.md-typeset .failure > .admonition-title::before, .md-typeset .failure > summary::before, .md-typeset .missing > .admonition-title::before, .md-typeset .missing > summary::before, .md-typeset .fail > .admonition-title::before, .md-typeset .fail > summary::before {\n background-color: #ff5252;\n mask-image: var(--md-admonition-icon--failure);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.danger, .md-typeset details.danger, .md-typeset .admonition.error, .md-typeset details.error {\n border-color: #ff1744;\n}\n\n.md-typeset .danger > .admonition-title, .md-typeset .danger > summary, .md-typeset .error > .admonition-title, .md-typeset .error > summary {\n background-color: rgba(255, 23, 68, 0.1);\n border-color: #ff1744;\n}\n.md-typeset .danger > .admonition-title::before, .md-typeset .danger > summary::before, .md-typeset .error > .admonition-title::before, .md-typeset .error > summary::before {\n background-color: #ff1744;\n mask-image: var(--md-admonition-icon--danger);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.bug, .md-typeset details.bug {\n border-color: #f50057;\n}\n\n.md-typeset .bug > .admonition-title, .md-typeset .bug > summary {\n background-color: rgba(245, 0, 87, 0.1);\n border-color: #f50057;\n}\n.md-typeset .bug > .admonition-title::before, .md-typeset .bug > summary::before {\n background-color: #f50057;\n mask-image: var(--md-admonition-icon--bug);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.example, .md-typeset details.example {\n border-color: #7c4dff;\n}\n\n.md-typeset .example > .admonition-title, .md-typeset .example > summary {\n background-color: rgba(124, 77, 255, 0.1);\n border-color: #7c4dff;\n}\n.md-typeset .example > .admonition-title::before, .md-typeset .example > summary::before {\n background-color: #7c4dff;\n mask-image: var(--md-admonition-icon--example);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n.md-typeset .admonition.quote, .md-typeset details.quote, .md-typeset .admonition.cite, .md-typeset details.cite {\n border-color: #9e9e9e;\n}\n\n.md-typeset .quote > .admonition-title, .md-typeset .quote > summary, .md-typeset .cite > .admonition-title, .md-typeset .cite > summary {\n background-color: rgba(158, 158, 158, 0.1);\n border-color: #9e9e9e;\n}\n.md-typeset .quote > .admonition-title::before, .md-typeset .quote > summary::before, .md-typeset .cite > .admonition-title::before, .md-typeset .cite > summary::before {\n background-color: #9e9e9e;\n mask-image: var(--md-admonition-icon--quote);\n mask-repeat: no-repeat;\n mask-size: contain;\n}\n\n:root {\n --md-footnotes-icon: svg-load(\"material/keyboard-return.svg\");\n}\n\n.md-typeset .footnote {\n color: var(--md-default-fg-color--light);\n font-size: 0.64rem;\n}\n.md-typeset .footnote > ol {\n margin-left: 0;\n}\n.md-typeset .footnote > ol > li {\n transition: color 125ms;\n}\n.md-typeset .footnote > ol > li:target {\n color: var(--md-default-fg-color);\n}\n.md-typeset .footnote > ol > li:hover .footnote-backref, .md-typeset .footnote > ol > li:target .footnote-backref {\n transform: translateX(0);\n opacity: 1;\n}\n.md-typeset .footnote > ol > li > :first-child {\n margin-top: 0;\n}\n.md-typeset .footnote-ref {\n font-weight: 700;\n font-size: 0.75em;\n}\nhtml .md-typeset .footnote-ref {\n outline-offset: 0.1rem;\n}\n.md-typeset .footnote-backref {\n display: inline-block;\n color: var(--md-typeset-a-color);\n font-size: 0;\n vertical-align: text-bottom;\n transform: translateX(0.25rem);\n opacity: 0;\n transition: color 250ms, transform 250ms 250ms, opacity 125ms 250ms;\n}\n@media print {\n .md-typeset .footnote-backref {\n color: var(--md-typeset-a-color);\n transform: translateX(0);\n opacity: 1;\n }\n}\n[dir=rtl] .md-typeset .footnote-backref {\n transform: translateX(-0.25rem);\n}\n.md-typeset .footnote-backref:hover {\n color: var(--md-accent-fg-color);\n}\n.md-typeset .footnote-backref::before {\n display: inline-block;\n width: 0.8rem;\n height: 0.8rem;\n background-color: currentColor;\n mask-image: var(--md-footnotes-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n}\n[dir=rtl] .md-typeset .footnote-backref::before svg {\n transform: scaleX(-1);\n}\n.md-typeset [id^=\"fnref:\"]:target {\n scroll-margin-top: initial;\n margin-top: -3.4rem;\n padding-top: 3.4rem;\n}\n.md-typeset [id^=\"fnref:\"]:target > .footnote-ref {\n outline: auto;\n}\n.md-typeset [id^=\"fn:\"]:target {\n scroll-margin-top: initial;\n margin-top: -3.45rem;\n padding-top: 3.45rem;\n}\n\n.md-typeset .headerlink {\n display: inline-block;\n margin-left: 0.5rem;\n color: var(--md-default-fg-color--lighter);\n opacity: 0;\n transition: color 250ms, opacity 125ms;\n}\n@media print {\n .md-typeset .headerlink {\n display: none;\n }\n}\n[dir=rtl] .md-typeset .headerlink {\n margin-right: 0.5rem;\n margin-left: initial;\n}\n.md-typeset :hover > .headerlink,\n.md-typeset :target > .headerlink,\n.md-typeset .headerlink:focus {\n opacity: 1;\n transition: color 250ms, opacity 125ms;\n}\n.md-typeset :target > .headerlink,\n.md-typeset .headerlink:focus,\n.md-typeset .headerlink:hover {\n color: var(--md-accent-fg-color);\n}\n.md-typeset :target {\n scroll-margin-top: 3.6rem;\n}\n@media screen and (min-width: 76.25em) {\n .md-header--lifted ~ .md-container .md-typeset :target {\n scroll-margin-top: 6rem;\n }\n}\n.md-typeset h1:target,\n.md-typeset h2:target,\n.md-typeset h3:target {\n scroll-margin-top: initial;\n}\n.md-typeset h1:target::before,\n.md-typeset h2:target::before,\n.md-typeset h3:target::before {\n display: block;\n margin-top: -3.4rem;\n padding-top: 3.4rem;\n content: \"\";\n}\n@media screen and (min-width: 76.25em) {\n .md-header--lifted ~ .md-container .md-typeset h1:target,\n.md-header--lifted ~ .md-container .md-typeset h2:target,\n.md-header--lifted ~ .md-container .md-typeset h3:target {\n scroll-margin-top: initial;\n }\n .md-header--lifted ~ .md-container .md-typeset h1:target::before,\n.md-header--lifted ~ .md-container .md-typeset h2:target::before,\n.md-header--lifted ~ .md-container .md-typeset h3:target::before {\n margin-top: -5.8rem;\n padding-top: 5.8rem;\n }\n}\n.md-typeset h4:target {\n scroll-margin-top: initial;\n}\n.md-typeset h4:target::before {\n display: block;\n margin-top: -3.45rem;\n padding-top: 3.45rem;\n content: \"\";\n}\n@media screen and (min-width: 76.25em) {\n .md-header--lifted ~ .md-container .md-typeset h4:target {\n scroll-margin-top: initial;\n }\n .md-header--lifted ~ .md-container .md-typeset h4:target::before {\n margin-top: -5.85rem;\n padding-top: 5.85rem;\n }\n}\n.md-typeset h5:target,\n.md-typeset h6:target {\n scroll-margin-top: initial;\n}\n.md-typeset h5:target::before,\n.md-typeset h6:target::before {\n display: block;\n margin-top: -3.6rem;\n padding-top: 3.6rem;\n content: \"\";\n}\n@media screen and (min-width: 76.25em) {\n .md-header--lifted ~ .md-container .md-typeset h5:target,\n.md-header--lifted ~ .md-container .md-typeset h6:target {\n scroll-margin-top: initial;\n }\n .md-header--lifted ~ .md-container .md-typeset h5:target::before,\n.md-header--lifted ~ .md-container .md-typeset h6:target::before {\n margin-top: -6rem;\n padding-top: 6rem;\n }\n}\n\n.md-typeset div.arithmatex {\n overflow: auto;\n}\n@media screen and (max-width: 44.9375em) {\n .md-typeset div.arithmatex {\n margin: 0 -0.8rem;\n }\n}\n.md-typeset div.arithmatex > * {\n width: min-content;\n margin: 1em auto !important;\n padding: 0 0.8rem;\n touch-action: auto;\n}\n\n.md-typeset del.critic,\n.md-typeset ins.critic,\n.md-typeset .critic.comment {\n box-decoration-break: clone;\n}\n.md-typeset del.critic {\n background-color: var(--md-typeset-del-color);\n}\n.md-typeset ins.critic {\n background-color: var(--md-typeset-ins-color);\n}\n.md-typeset .critic.comment {\n color: var(--md-code-hl-comment-color);\n}\n.md-typeset .critic.comment::before {\n content: \"/* \";\n}\n.md-typeset .critic.comment::after {\n content: \" */\";\n}\n.md-typeset .critic.block {\n display: block;\n margin: 1em 0;\n padding-right: 0.8rem;\n padding-left: 0.8rem;\n overflow: auto;\n box-shadow: none;\n}\n.md-typeset .critic.block > :first-child {\n margin-top: 0.5em;\n}\n.md-typeset .critic.block > :last-child {\n margin-bottom: 0.5em;\n}\n\n:root {\n --md-details-icon: svg-load(\"material/chevron-right.svg\");\n}\n\n.md-typeset details {\n display: flow-root;\n padding-top: 0;\n overflow: visible;\n}\n.md-typeset details[open] > summary::after {\n transform: rotate(90deg);\n}\n.md-typeset details:not([open]) {\n padding-bottom: 0;\n box-shadow: none;\n}\n.md-typeset details:not([open]) > summary {\n border-radius: 0.1rem;\n}\n.md-typeset details::after {\n display: table;\n content: \"\";\n}\n.md-typeset summary {\n display: block;\n min-height: 1rem;\n padding: 0.4rem 1.8rem 0.4rem 2rem;\n border-top-left-radius: 0.1rem;\n border-top-right-radius: 0.1rem;\n cursor: pointer;\n}\n[dir=rtl] .md-typeset summary {\n padding: 0.4rem 2.2rem 0.4rem 1.8rem;\n}\n.md-typeset summary.focus-visible {\n outline-color: var(--md-accent-fg-color);\n outline-offset: 0.2rem;\n}\n.md-typeset summary:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n}\n.md-typeset summary::after {\n position: absolute;\n top: 0.4rem;\n right: 0.4rem;\n width: 1rem;\n height: 1rem;\n background-color: currentColor;\n mask-image: var(--md-details-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n transform: rotate(0deg);\n transition: transform 250ms;\n content: \"\";\n}\n[dir=rtl] .md-typeset summary::after {\n right: initial;\n left: 0.4rem;\n transform: rotate(180deg);\n}\n.md-typeset summary::marker, .md-typeset summary::-webkit-details-marker {\n display: none;\n}\n\n.md-typeset .emojione,\n.md-typeset .twemoji,\n.md-typeset .gemoji {\n display: inline-flex;\n height: 1.125em;\n vertical-align: text-top;\n}\n.md-typeset .emojione svg,\n.md-typeset .twemoji svg,\n.md-typeset .gemoji svg {\n width: 1.125em;\n max-height: 100%;\n fill: currentColor;\n}\n\n.highlight .o,\n.highlight .ow {\n color: var(--md-code-hl-operator-color);\n}\n.highlight .p {\n color: var(--md-code-hl-punctuation-color);\n}\n.highlight .cpf,\n.highlight .l,\n.highlight .s,\n.highlight .sb,\n.highlight .sc,\n.highlight .s2,\n.highlight .si,\n.highlight .s1,\n.highlight .ss {\n color: var(--md-code-hl-string-color);\n}\n.highlight .cp,\n.highlight .se,\n.highlight .sh,\n.highlight .sr,\n.highlight .sx {\n color: var(--md-code-hl-special-color);\n}\n.highlight .m,\n.highlight .mb,\n.highlight .mf,\n.highlight .mh,\n.highlight .mi,\n.highlight .il,\n.highlight .mo {\n color: var(--md-code-hl-number-color);\n}\n.highlight .k,\n.highlight .kd,\n.highlight .kn,\n.highlight .kp,\n.highlight .kr,\n.highlight .kt {\n color: var(--md-code-hl-keyword-color);\n}\n.highlight .kc,\n.highlight .n {\n color: var(--md-code-hl-name-color);\n}\n.highlight .no,\n.highlight .nb,\n.highlight .bp {\n color: var(--md-code-hl-constant-color);\n}\n.highlight .nc,\n.highlight .ne,\n.highlight .nf,\n.highlight .nn {\n color: var(--md-code-hl-function-color);\n}\n.highlight .nd,\n.highlight .ni,\n.highlight .nl,\n.highlight .nt {\n color: var(--md-code-hl-keyword-color);\n}\n.highlight .c,\n.highlight .cm,\n.highlight .c1,\n.highlight .ch,\n.highlight .cs,\n.highlight .sd {\n color: var(--md-code-hl-comment-color);\n}\n.highlight .na,\n.highlight .nv,\n.highlight .vc,\n.highlight .vg,\n.highlight .vi {\n color: var(--md-code-hl-variable-color);\n}\n.highlight .ge,\n.highlight .gr,\n.highlight .gh,\n.highlight .go,\n.highlight .gp,\n.highlight .gs,\n.highlight .gu,\n.highlight .gt {\n color: var(--md-code-hl-generic-color);\n}\n.highlight .gd,\n.highlight .gi {\n margin: 0 -0.125em;\n padding: 0 0.125em;\n border-radius: 0.1rem;\n}\n.highlight .gd {\n background-color: var(--md-typeset-del-color);\n}\n.highlight .gi {\n background-color: var(--md-typeset-ins-color);\n}\n.highlight .hll {\n display: block;\n margin: 0 -1.1764705882em;\n padding: 0 1.1764705882em;\n background-color: var(--md-code-hl-color);\n}\n.highlight span.filename {\n position: relative;\n display: block;\n margin-top: 1em;\n padding: 0.7720588235em 1.1764705882em;\n font-weight: 700;\n font-size: 0.85em;\n background-color: var(--md-code-bg-color);\n border-bottom: 0.05rem solid var(--md-default-fg-color--lightest);\n border-top-left-radius: 0.1rem;\n border-top-right-radius: 0.1rem;\n}\n.highlight span.filename + pre {\n margin-top: 0;\n}\n.highlight [data-linenos]::before {\n position: sticky;\n left: -1.1764705882em;\n float: left;\n margin-right: 1.1764705882em;\n margin-left: -1.1764705882em;\n padding-left: 1.1764705882em;\n color: var(--md-default-fg-color--light);\n background-color: var(--md-code-bg-color);\n box-shadow: -0.05rem 0 var(--md-default-fg-color--lightest) inset;\n content: attr(data-linenos);\n user-select: none;\n}\n\n.highlighttable {\n display: flow-root;\n overflow: hidden;\n}\n.highlighttable tbody,\n.highlighttable td {\n display: block;\n padding: 0;\n}\n.highlighttable tr {\n display: flex;\n}\n.highlighttable pre {\n margin: 0;\n}\n.highlighttable th.filename {\n flex-grow: 1;\n padding: 0;\n text-align: left;\n}\n.highlighttable .linenos {\n padding: 0.7720588235em 1.1764705882em;\n padding-right: 0;\n font-size: 0.85em;\n background-color: var(--md-code-bg-color);\n user-select: none;\n}\n.highlighttable .linenodiv {\n padding-right: 0.5882352941em;\n box-shadow: -0.05rem 0 var(--md-default-fg-color--lightest) inset;\n}\n.highlighttable .linenodiv pre {\n color: var(--md-default-fg-color--light);\n text-align: right;\n}\n.highlighttable .code {\n flex: 1;\n overflow: hidden;\n}\n\n.md-typeset .highlighttable {\n margin: 1em 0;\n direction: ltr;\n border-radius: 0.1rem;\n}\n.md-typeset .highlighttable code {\n border-radius: 0;\n}\n@media screen and (max-width: 44.9375em) {\n .md-typeset > .highlight {\n margin: 1em -0.8rem;\n }\n .md-typeset > .highlight .hll {\n margin: 0 -0.8rem;\n padding: 0 0.8rem;\n }\n .md-typeset > .highlight code {\n border-radius: 0;\n }\n .md-typeset > .highlighttable {\n margin: 1em -0.8rem;\n border-radius: 0;\n }\n .md-typeset > .highlighttable .hll {\n margin: 0 -0.8rem;\n padding: 0 0.8rem;\n }\n}\n\n.md-typeset .keys kbd::before,\n.md-typeset .keys kbd::after {\n position: relative;\n margin: 0;\n color: inherit;\n -moz-osx-font-smoothing: initial;\n -webkit-font-smoothing: initial;\n}\n.md-typeset .keys span {\n padding: 0 0.2em;\n color: var(--md-default-fg-color--light);\n}\n.md-typeset .keys .key-alt::before {\n padding-right: 0.4em;\n content: \"⎇\";\n}\n.md-typeset .keys .key-left-alt::before {\n padding-right: 0.4em;\n content: \"⎇\";\n}\n.md-typeset .keys .key-right-alt::before {\n padding-right: 0.4em;\n content: \"⎇\";\n}\n.md-typeset .keys .key-command::before {\n padding-right: 0.4em;\n content: \"⌘\";\n}\n.md-typeset .keys .key-left-command::before {\n padding-right: 0.4em;\n content: \"⌘\";\n}\n.md-typeset .keys .key-right-command::before {\n padding-right: 0.4em;\n content: \"⌘\";\n}\n.md-typeset .keys .key-control::before {\n padding-right: 0.4em;\n content: \"⌃\";\n}\n.md-typeset .keys .key-left-control::before {\n padding-right: 0.4em;\n content: \"⌃\";\n}\n.md-typeset .keys .key-right-control::before {\n padding-right: 0.4em;\n content: \"⌃\";\n}\n.md-typeset .keys .key-meta::before {\n padding-right: 0.4em;\n content: \"◆\";\n}\n.md-typeset .keys .key-left-meta::before {\n padding-right: 0.4em;\n content: \"◆\";\n}\n.md-typeset .keys .key-right-meta::before {\n padding-right: 0.4em;\n content: \"◆\";\n}\n.md-typeset .keys .key-option::before {\n padding-right: 0.4em;\n content: \"⌥\";\n}\n.md-typeset .keys .key-left-option::before {\n padding-right: 0.4em;\n content: \"⌥\";\n}\n.md-typeset .keys .key-right-option::before {\n padding-right: 0.4em;\n content: \"⌥\";\n}\n.md-typeset .keys .key-shift::before {\n padding-right: 0.4em;\n content: \"⇧\";\n}\n.md-typeset .keys .key-left-shift::before {\n padding-right: 0.4em;\n content: \"⇧\";\n}\n.md-typeset .keys .key-right-shift::before {\n padding-right: 0.4em;\n content: \"⇧\";\n}\n.md-typeset .keys .key-super::before {\n padding-right: 0.4em;\n content: \"❖\";\n}\n.md-typeset .keys .key-left-super::before {\n padding-right: 0.4em;\n content: \"❖\";\n}\n.md-typeset .keys .key-right-super::before {\n padding-right: 0.4em;\n content: \"❖\";\n}\n.md-typeset .keys .key-windows::before {\n padding-right: 0.4em;\n content: \"⊞\";\n}\n.md-typeset .keys .key-left-windows::before {\n padding-right: 0.4em;\n content: \"⊞\";\n}\n.md-typeset .keys .key-right-windows::before {\n padding-right: 0.4em;\n content: \"⊞\";\n}\n.md-typeset .keys .key-arrow-down::before {\n padding-right: 0.4em;\n content: \"↓\";\n}\n.md-typeset .keys .key-arrow-left::before {\n padding-right: 0.4em;\n content: \"←\";\n}\n.md-typeset .keys .key-arrow-right::before {\n padding-right: 0.4em;\n content: \"→\";\n}\n.md-typeset .keys .key-arrow-up::before {\n padding-right: 0.4em;\n content: \"↑\";\n}\n.md-typeset .keys .key-backspace::before {\n padding-right: 0.4em;\n content: \"⌫\";\n}\n.md-typeset .keys .key-backtab::before {\n padding-right: 0.4em;\n content: \"⇤\";\n}\n.md-typeset .keys .key-caps-lock::before {\n padding-right: 0.4em;\n content: \"⇪\";\n}\n.md-typeset .keys .key-clear::before {\n padding-right: 0.4em;\n content: \"⌧\";\n}\n.md-typeset .keys .key-context-menu::before {\n padding-right: 0.4em;\n content: \"☰\";\n}\n.md-typeset .keys .key-delete::before {\n padding-right: 0.4em;\n content: \"⌦\";\n}\n.md-typeset .keys .key-eject::before {\n padding-right: 0.4em;\n content: \"⏏\";\n}\n.md-typeset .keys .key-end::before {\n padding-right: 0.4em;\n content: \"⤓\";\n}\n.md-typeset .keys .key-escape::before {\n padding-right: 0.4em;\n content: \"⎋\";\n}\n.md-typeset .keys .key-home::before {\n padding-right: 0.4em;\n content: \"⤒\";\n}\n.md-typeset .keys .key-insert::before {\n padding-right: 0.4em;\n content: \"⎀\";\n}\n.md-typeset .keys .key-page-down::before {\n padding-right: 0.4em;\n content: \"⇟\";\n}\n.md-typeset .keys .key-page-up::before {\n padding-right: 0.4em;\n content: \"⇞\";\n}\n.md-typeset .keys .key-print-screen::before {\n padding-right: 0.4em;\n content: \"⎙\";\n}\n.md-typeset .keys .key-tab::after {\n padding-left: 0.4em;\n content: \"⇥\";\n}\n.md-typeset .keys .key-num-enter::after {\n padding-left: 0.4em;\n content: \"⌤\";\n}\n.md-typeset .keys .key-enter::after {\n padding-left: 0.4em;\n content: \"⏎\";\n}\n\n.md-typeset .tabbed-content {\n display: none;\n order: 99;\n width: 100%;\n box-shadow: 0 -0.05rem var(--md-default-fg-color--lightest);\n}\n@media print {\n .md-typeset .tabbed-content {\n display: block;\n order: initial;\n }\n}\n.md-typeset .tabbed-content > pre:only-child,\n.md-typeset .tabbed-content > .highlight:only-child pre,\n.md-typeset .tabbed-content > .highlighttable:only-child {\n margin: 0;\n}\n.md-typeset .tabbed-content > pre:only-child > code,\n.md-typeset .tabbed-content > .highlight:only-child pre > code,\n.md-typeset .tabbed-content > .highlighttable:only-child > code {\n border-top-left-radius: 0;\n border-top-right-radius: 0;\n}\n.md-typeset .tabbed-content > .tabbed-set {\n margin: 0;\n}\n.md-typeset .tabbed-set {\n position: relative;\n display: flex;\n flex-wrap: wrap;\n margin: 1em 0;\n border-radius: 0.1rem;\n}\n.md-typeset .tabbed-set > input {\n position: absolute;\n width: 0;\n height: 0;\n opacity: 0;\n}\n.md-typeset .tabbed-set > input:checked + label {\n color: var(--md-accent-fg-color);\n border-color: var(--md-accent-fg-color);\n}\n.md-typeset .tabbed-set > input:checked + label + .tabbed-content {\n display: block;\n}\n.md-typeset .tabbed-set > input:focus + label {\n outline-style: auto;\n outline-color: var(--md-accent-fg-color);\n}\n.md-typeset .tabbed-set > input:not(.focus-visible) + label {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n}\n.md-typeset .tabbed-set > label {\n z-index: 1;\n width: auto;\n padding: 0.9375em 1.25em 0.78125em;\n color: var(--md-default-fg-color--light);\n font-weight: 700;\n font-size: 0.64rem;\n border-bottom: 0.1rem solid transparent;\n cursor: pointer;\n transition: color 250ms;\n}\n.md-typeset .tabbed-set > label:hover {\n color: var(--md-accent-fg-color);\n}\n\n@media screen {\n .md-typeset .tabbed-alternate input:nth-child(1):checked ~ .tabbed-labels > :nth-child(1), .md-typeset .tabbed-alternate input:nth-child(2):checked ~ .tabbed-labels > :nth-child(2), .md-typeset .tabbed-alternate input:nth-child(3):checked ~ .tabbed-labels > :nth-child(3), .md-typeset .tabbed-alternate input:nth-child(4):checked ~ .tabbed-labels > :nth-child(4), .md-typeset .tabbed-alternate input:nth-child(5):checked ~ .tabbed-labels > :nth-child(5), .md-typeset .tabbed-alternate input:nth-child(6):checked ~ .tabbed-labels > :nth-child(6), .md-typeset .tabbed-alternate input:nth-child(7):checked ~ .tabbed-labels > :nth-child(7), .md-typeset .tabbed-alternate input:nth-child(8):checked ~ .tabbed-labels > :nth-child(8), .md-typeset .tabbed-alternate input:nth-child(9):checked ~ .tabbed-labels > :nth-child(9), .md-typeset .tabbed-alternate input:nth-child(10):checked ~ .tabbed-labels > :nth-child(10), .md-typeset .tabbed-alternate input:nth-child(11):checked ~ .tabbed-labels > :nth-child(11), .md-typeset .tabbed-alternate input:nth-child(12):checked ~ .tabbed-labels > :nth-child(12), .md-typeset .tabbed-alternate input:nth-child(13):checked ~ .tabbed-labels > :nth-child(13), .md-typeset .tabbed-alternate input:nth-child(14):checked ~ .tabbed-labels > :nth-child(14), .md-typeset .tabbed-alternate input:nth-child(15):checked ~ .tabbed-labels > :nth-child(15), .md-typeset .tabbed-alternate input:nth-child(16):checked ~ .tabbed-labels > :nth-child(16), .md-typeset .tabbed-alternate input:nth-child(17):checked ~ .tabbed-labels > :nth-child(17), .md-typeset .tabbed-alternate input:nth-child(18):checked ~ .tabbed-labels > :nth-child(18), .md-typeset .tabbed-alternate input:nth-child(19):checked ~ .tabbed-labels > :nth-child(19), .md-typeset .tabbed-alternate input:nth-child(20):checked ~ .tabbed-labels > :nth-child(20) {\n color: var(--md-accent-fg-color);\n border-color: var(--md-accent-fg-color);\n }\n}\n\n.md-typeset .tabbed-alternate input:nth-child(1).focus-visible ~ .tabbed-labels > :nth-child(1), .md-typeset .tabbed-alternate input:nth-child(2).focus-visible ~ .tabbed-labels > :nth-child(2), .md-typeset .tabbed-alternate input:nth-child(3).focus-visible ~ .tabbed-labels > :nth-child(3), .md-typeset .tabbed-alternate input:nth-child(4).focus-visible ~ .tabbed-labels > :nth-child(4), .md-typeset .tabbed-alternate input:nth-child(5).focus-visible ~ .tabbed-labels > :nth-child(5), .md-typeset .tabbed-alternate input:nth-child(6).focus-visible ~ .tabbed-labels > :nth-child(6), .md-typeset .tabbed-alternate input:nth-child(7).focus-visible ~ .tabbed-labels > :nth-child(7), .md-typeset .tabbed-alternate input:nth-child(8).focus-visible ~ .tabbed-labels > :nth-child(8), .md-typeset .tabbed-alternate input:nth-child(9).focus-visible ~ .tabbed-labels > :nth-child(9), .md-typeset .tabbed-alternate input:nth-child(10).focus-visible ~ .tabbed-labels > :nth-child(10), .md-typeset .tabbed-alternate input:nth-child(11).focus-visible ~ .tabbed-labels > :nth-child(11), .md-typeset .tabbed-alternate input:nth-child(12).focus-visible ~ .tabbed-labels > :nth-child(12), .md-typeset .tabbed-alternate input:nth-child(13).focus-visible ~ .tabbed-labels > :nth-child(13), .md-typeset .tabbed-alternate input:nth-child(14).focus-visible ~ .tabbed-labels > :nth-child(14), .md-typeset .tabbed-alternate input:nth-child(15).focus-visible ~ .tabbed-labels > :nth-child(15), .md-typeset .tabbed-alternate input:nth-child(16).focus-visible ~ .tabbed-labels > :nth-child(16), .md-typeset .tabbed-alternate input:nth-child(17).focus-visible ~ .tabbed-labels > :nth-child(17), .md-typeset .tabbed-alternate input:nth-child(18).focus-visible ~ .tabbed-labels > :nth-child(18), .md-typeset .tabbed-alternate input:nth-child(19).focus-visible ~ .tabbed-labels > :nth-child(19), .md-typeset .tabbed-alternate input:nth-child(20).focus-visible ~ .tabbed-labels > :nth-child(20) {\n background-color: var(--md-accent-fg-color--transparent);\n}\n\n.md-typeset .tabbed-alternate input:nth-child(1):checked ~ .tabbed-content > :nth-child(1), .md-typeset .tabbed-alternate input:nth-child(2):checked ~ .tabbed-content > :nth-child(2), .md-typeset .tabbed-alternate input:nth-child(3):checked ~ .tabbed-content > :nth-child(3), .md-typeset .tabbed-alternate input:nth-child(4):checked ~ .tabbed-content > :nth-child(4), .md-typeset .tabbed-alternate input:nth-child(5):checked ~ .tabbed-content > :nth-child(5), .md-typeset .tabbed-alternate input:nth-child(6):checked ~ .tabbed-content > :nth-child(6), .md-typeset .tabbed-alternate input:nth-child(7):checked ~ .tabbed-content > :nth-child(7), .md-typeset .tabbed-alternate input:nth-child(8):checked ~ .tabbed-content > :nth-child(8), .md-typeset .tabbed-alternate input:nth-child(9):checked ~ .tabbed-content > :nth-child(9), .md-typeset .tabbed-alternate input:nth-child(10):checked ~ .tabbed-content > :nth-child(10), .md-typeset .tabbed-alternate input:nth-child(11):checked ~ .tabbed-content > :nth-child(11), .md-typeset .tabbed-alternate input:nth-child(12):checked ~ .tabbed-content > :nth-child(12), .md-typeset .tabbed-alternate input:nth-child(13):checked ~ .tabbed-content > :nth-child(13), .md-typeset .tabbed-alternate input:nth-child(14):checked ~ .tabbed-content > :nth-child(14), .md-typeset .tabbed-alternate input:nth-child(15):checked ~ .tabbed-content > :nth-child(15), .md-typeset .tabbed-alternate input:nth-child(16):checked ~ .tabbed-content > :nth-child(16), .md-typeset .tabbed-alternate input:nth-child(17):checked ~ .tabbed-content > :nth-child(17), .md-typeset .tabbed-alternate input:nth-child(18):checked ~ .tabbed-content > :nth-child(18), .md-typeset .tabbed-alternate input:nth-child(19):checked ~ .tabbed-content > :nth-child(19), .md-typeset .tabbed-alternate input:nth-child(20):checked ~ .tabbed-content > :nth-child(20) {\n display: block;\n}\n\n.md-typeset .tabbed-labels {\n display: flex;\n max-width: 100%;\n overflow: auto;\n box-shadow: 0 -0.05rem var(--md-default-fg-color--lightest) inset;\n scroll-snap-type: x proximity;\n -ms-overflow-style: none;\n scrollbar-width: none;\n}\n@media print {\n .md-typeset .tabbed-labels {\n display: contents;\n }\n}\n.md-typeset .tabbed-labels::-webkit-scrollbar {\n display: none;\n}\n.md-typeset .tabbed-labels > label {\n z-index: 1;\n flex-shrink: 0;\n width: auto;\n padding: 0.78125em 1.25em 0.625em;\n color: var(--md-default-fg-color--light);\n font-weight: 700;\n font-size: 0.64rem;\n white-space: nowrap;\n border-bottom: 0.1rem solid transparent;\n scroll-snap-align: start;\n border-top-left-radius: 0.1rem;\n border-top-right-radius: 0.1rem;\n cursor: pointer;\n transition: background-color 250ms, color 250ms;\n}\n@media print {\n .md-typeset .tabbed-labels > label:nth-child(1) {\n order: 1;\n }\n .md-typeset .tabbed-labels > label:nth-child(2) {\n order: 2;\n }\n .md-typeset .tabbed-labels > label:nth-child(3) {\n order: 3;\n }\n .md-typeset .tabbed-labels > label:nth-child(4) {\n order: 4;\n }\n .md-typeset .tabbed-labels > label:nth-child(5) {\n order: 5;\n }\n .md-typeset .tabbed-labels > label:nth-child(6) {\n order: 6;\n }\n .md-typeset .tabbed-labels > label:nth-child(7) {\n order: 7;\n }\n .md-typeset .tabbed-labels > label:nth-child(8) {\n order: 8;\n }\n .md-typeset .tabbed-labels > label:nth-child(9) {\n order: 9;\n }\n .md-typeset .tabbed-labels > label:nth-child(10) {\n order: 10;\n }\n .md-typeset .tabbed-labels > label:nth-child(11) {\n order: 11;\n }\n .md-typeset .tabbed-labels > label:nth-child(12) {\n order: 12;\n }\n .md-typeset .tabbed-labels > label:nth-child(13) {\n order: 13;\n }\n .md-typeset .tabbed-labels > label:nth-child(14) {\n order: 14;\n }\n .md-typeset .tabbed-labels > label:nth-child(15) {\n order: 15;\n }\n .md-typeset .tabbed-labels > label:nth-child(16) {\n order: 16;\n }\n .md-typeset .tabbed-labels > label:nth-child(17) {\n order: 17;\n }\n .md-typeset .tabbed-labels > label:nth-child(18) {\n order: 18;\n }\n .md-typeset .tabbed-labels > label:nth-child(19) {\n order: 19;\n }\n .md-typeset .tabbed-labels > label:nth-child(20) {\n order: 20;\n }\n}\n.md-typeset .tabbed-labels > label:hover {\n color: var(--md-accent-fg-color);\n}\n@media screen and (max-width: 44.9375em) {\n .md-typeset > .tabbed-alternate .tabbed-labels {\n max-width: 100vw;\n margin: 0 -0.8rem;\n padding-left: 0.8rem;\n scroll-padding-left: 0.8rem;\n }\n [dir=rtl] .md-typeset > .tabbed-alternate .tabbed-labels {\n padding-right: 0.8rem;\n padding-left: initial;\n scroll-padding-right: 0.8rem;\n scroll-padding-left: initial;\n }\n .md-typeset > .tabbed-alternate .tabbed-labels::after {\n padding-right: 0.8rem;\n content: \"\";\n }\n [dir=rtl] .md-typeset > .tabbed-alternate .tabbed-labels::after {\n padding-right: initial;\n padding-left: 0.8rem;\n }\n}\n.md-typeset .tabbed-alternate {\n flex-direction: column;\n}\n.md-typeset .tabbed-alternate .tabbed-content {\n display: initial;\n order: initial;\n width: 100%;\n box-shadow: initial;\n}\n@media print {\n .md-typeset .tabbed-alternate .tabbed-content {\n display: contents;\n }\n}\n.md-typeset .tabbed-alternate .tabbed-block {\n display: none;\n}\n@media print {\n .md-typeset .tabbed-alternate .tabbed-block {\n display: block;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(1) {\n order: 1;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(2) {\n order: 2;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(3) {\n order: 3;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(4) {\n order: 4;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(5) {\n order: 5;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(6) {\n order: 6;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(7) {\n order: 7;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(8) {\n order: 8;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(9) {\n order: 9;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(10) {\n order: 10;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(11) {\n order: 11;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(12) {\n order: 12;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(13) {\n order: 13;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(14) {\n order: 14;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(15) {\n order: 15;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(16) {\n order: 16;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(17) {\n order: 17;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(18) {\n order: 18;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(19) {\n order: 19;\n }\n .md-typeset .tabbed-alternate .tabbed-block:nth-child(20) {\n order: 20;\n }\n}\n.md-typeset .tabbed-alternate .tabbed-block > pre:only-child,\n.md-typeset .tabbed-alternate .tabbed-block > .highlight:only-child pre,\n.md-typeset .tabbed-alternate .tabbed-block > .highlighttable:only-child {\n margin: 0;\n}\n.md-typeset .tabbed-alternate .tabbed-block > pre:only-child > code,\n.md-typeset .tabbed-alternate .tabbed-block > .highlight:only-child pre > code,\n.md-typeset .tabbed-alternate .tabbed-block > .highlighttable:only-child > code {\n border-top-left-radius: 0;\n border-top-right-radius: 0;\n}\n.md-typeset .tabbed-alternate .tabbed-block > .tabbed-set {\n margin: 0;\n}\n:root {\n --md-tasklist-icon:\n svg-load(\"octicons/check-circle-fill-24.svg\");\n --md-tasklist-icon--checked:\n svg-load(\"octicons/check-circle-fill-24.svg\");\n}\n\n.md-typeset .task-list-item {\n position: relative;\n list-style-type: none;\n}\n.md-typeset .task-list-item [type=checkbox] {\n position: absolute;\n top: 0.45em;\n left: -2em;\n}\n[dir=rtl] .md-typeset .task-list-item [type=checkbox] {\n right: -2em;\n left: initial;\n}\n.md-typeset .task-list-control [type=checkbox] {\n z-index: -1;\n opacity: 0;\n}\n.md-typeset .task-list-indicator::before {\n position: absolute;\n top: 0.15em;\n left: -1.5em;\n width: 1.25em;\n height: 1.25em;\n background-color: var(--md-default-fg-color--lightest);\n mask-image: var(--md-tasklist-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n}\n[dir=rtl] .md-typeset .task-list-indicator::before {\n right: -1.5em;\n left: initial;\n}\n.md-typeset [type=checkbox]:checked + .task-list-indicator::before {\n background-color: #00e676;\n mask-image: var(--md-tasklist-icon--checked);\n}\n\n@media screen and (min-width: 45em) {\n .md-typeset .inline {\n float: left;\n width: 11.7rem;\n margin-top: 0;\n margin-right: 0.8rem;\n margin-bottom: 0.8rem;\n }\n [dir=rtl] .md-typeset .inline {\n float: right;\n margin-right: 0;\n margin-left: 0.8rem;\n }\n .md-typeset .inline.end {\n float: right;\n margin-right: 0;\n margin-left: 0.8rem;\n }\n [dir=rtl] .md-typeset .inline.end {\n float: left;\n margin-right: 0.8rem;\n margin-left: 0;\n }\n}\n\n/*# sourceMappingURL=main.css.map */","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Enforce correct box model and prevent adjustments of font size after\n// orientation changes in IE and iOS\nhtml {\n box-sizing: border-box;\n text-size-adjust: none;\n}\n\n// All elements shall inherit the document default\n*,\n*::before,\n*::after {\n box-sizing: inherit;\n}\n\n// Remove margin in all browsers\nbody {\n margin: 0;\n}\n\n// Reset tap outlines on iOS and Android\na,\nbutton,\nlabel,\ninput {\n -webkit-tap-highlight-color: transparent;\n}\n\n// Reset link styles\na {\n color: inherit;\n text-decoration: none;\n}\n\n// Normalize horizontal separator styles\nhr {\n display: block;\n box-sizing: content-box;\n height: px2rem(1px);\n padding: 0;\n overflow: visible;\n border: 0;\n}\n\n// Normalize font-size in all browsers\nsmall {\n font-size: 80%;\n}\n\n// Prevent subscript and superscript from affecting line-height\nsub,\nsup {\n line-height: 1em;\n}\n\n// Remove border on image\nimg {\n border-style: none;\n}\n\n// Reset table styles\ntable {\n border-collapse: separate;\n border-spacing: 0;\n}\n\n// Reset table cell styles\ntd,\nth {\n font-weight: 400;\n vertical-align: top;\n}\n\n// Reset button styles\nbutton {\n margin: 0;\n padding: 0;\n font-size: inherit;\n font-family: inherit;\n background: transparent;\n border: 0;\n}\n\n// Reset input styles\ninput {\n border: 0;\n outline: none;\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Color definitions\n:root {\n\n // Default color shades\n --md-default-fg-color: hsla(0, 0%, 0%, 0.87);\n --md-default-fg-color--light: hsla(0, 0%, 0%, 0.54);\n --md-default-fg-color--lighter: hsla(0, 0%, 0%, 0.32);\n --md-default-fg-color--lightest: hsla(0, 0%, 0%, 0.07);\n --md-default-bg-color: hsla(0, 0%, 100%, 1);\n --md-default-bg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-default-bg-color--lighter: hsla(0, 0%, 100%, 0.3);\n --md-default-bg-color--lightest: hsla(0, 0%, 100%, 0.12);\n\n // Primary color shades\n --md-primary-fg-color: hsla(#{hex2hsl($clr-indigo-500)}, 1);\n --md-primary-fg-color--light: hsla(#{hex2hsl($clr-indigo-400)}, 1);\n --md-primary-fg-color--dark: hsla(#{hex2hsl($clr-indigo-700)}, 1);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n\n // Accent color shades\n --md-accent-fg-color: hsla(#{hex2hsl($clr-indigo-a200)}, 1);\n --md-accent-fg-color--transparent: hsla(#{hex2hsl($clr-indigo-a200)}, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n\n // Light theme (default)\n > * {\n\n // Code color shades\n --md-code-fg-color: hsla(200, 18%, 26%, 1);\n --md-code-bg-color: hsla(0, 0%, 96%, 1);\n\n // Code highlighting color shades\n --md-code-hl-color: hsla(#{hex2hsl($clr-yellow-a200)}, 0.5);\n --md-code-hl-number-color: hsla(0, 67%, 50%, 1);\n --md-code-hl-special-color: hsla(340, 83%, 47%, 1);\n --md-code-hl-function-color: hsla(291, 45%, 50%, 1);\n --md-code-hl-constant-color: hsla(250, 63%, 60%, 1);\n --md-code-hl-keyword-color: hsla(219, 54%, 51%, 1);\n --md-code-hl-string-color: hsla(150, 63%, 30%, 1);\n --md-code-hl-name-color: var(--md-code-fg-color);\n --md-code-hl-operator-color: var(--md-default-fg-color--light);\n --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n --md-code-hl-comment-color: var(--md-default-fg-color--light);\n --md-code-hl-generic-color: var(--md-default-fg-color--light);\n --md-code-hl-variable-color: var(--md-default-fg-color--light);\n\n // Typeset color shades\n --md-typeset-color: var(--md-default-fg-color);\n\n // Typeset `a` color shades\n --md-typeset-a-color: var(--md-primary-fg-color);\n\n // Typeset `mark` color shades\n --md-typeset-mark-color: hsla(#{hex2hsl($clr-yellow-a200)}, 0.5);\n\n // Typeset `del` and `ins` color shades\n --md-typeset-del-color: hsla(6, 90%, 60%, 0.15);\n --md-typeset-ins-color: hsla(150, 90%, 44%, 0.15);\n\n // Typeset `kbd` color shades\n --md-typeset-kbd-color: hsla(0, 0%, 98%, 1);\n --md-typeset-kbd-accent-color: hsla(0, 100%, 100%, 1);\n --md-typeset-kbd-border-color: hsla(0, 0%, 72%, 1);\n\n // Typeset `table` color shades\n --md-typeset-table-color: hsla(0, 0%, 0%, 0.12);\n\n // Admonition color shades\n --md-admonition-fg-color: var(--md-default-fg-color);\n --md-admonition-bg-color: var(--md-default-bg-color);\n\n // Footer color shades\n --md-footer-fg-color: hsla(0, 0%, 100%, 1);\n --md-footer-fg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-footer-fg-color--lighter: hsla(0, 0%, 100%, 0.3);\n --md-footer-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-footer-bg-color--dark: hsla(0, 0%, 0%, 0.32);\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon\n.md-icon {\n\n // SVG defaults\n svg {\n display: block;\n width: px2rem(24px);\n height: px2rem(24px);\n fill: currentColor;\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: font definitions\n// ----------------------------------------------------------------------------\n\n// Enable font-smoothing in Webkit and FF\nbody {\n -webkit-font-smoothing: antialiased;\n -moz-osx-font-smoothing: grayscale;\n}\n\n// Define default fonts\nbody,\ninput {\n color: var(--md-typeset-color);\n font-feature-settings: \"kern\", \"liga\";\n font-family:\n var(--md-text-font-family, _),\n -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;\n}\n\n// Define monospaced fonts\ncode,\npre,\nkbd {\n color: var(--md-typeset-color);\n font-feature-settings: \"kern\";\n font-family:\n var(--md-code-font-family, _),\n SFMono-Regular, Consolas, Menlo, monospace;\n}\n\n// ----------------------------------------------------------------------------\n// Rules: typesetted content\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-typeset-table-sort-icon: svg-load(\"material/sort.svg\");\n --md-typeset-table-sort-icon--asc: svg-load(\"material/sort-ascending.svg\");\n --md-typeset-table-sort-icon--desc: svg-load(\"material/sort-descending.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Content that is typeset - if possible, all margins, paddings and font sizes\n// should be set in ems, so nested blocks (e.g. admonitions) render correctly.\n.md-typeset {\n font-size: px2rem(16px);\n line-height: 1.6;\n color-adjust: exact;\n\n // [print]: We'll use a smaller `font-size` for printing, so code examples\n // don't break too early, and `16px` looks too big anyway.\n @media print {\n font-size: px2rem(13.6px);\n }\n\n // Default spacing\n ul,\n ol,\n dl,\n figure,\n blockquote,\n pre {\n margin: 1em 0;\n }\n\n // Headline on level 1\n h1 {\n margin: 0 0 px2em(40px, 32px);\n color: var(--md-default-fg-color--light);\n font-weight: 300;\n font-size: px2em(32px);\n line-height: 1.3;\n letter-spacing: -0.01em;\n }\n\n // Headline on level 2\n h2 {\n margin: px2em(40px, 25px) 0 px2em(16px, 25px);\n font-weight: 300;\n font-size: px2em(25px);\n line-height: 1.4;\n letter-spacing: -0.01em;\n }\n\n // Headline on level 3\n h3 {\n margin: px2em(32px, 20px) 0 px2em(16px, 20px);\n font-weight: 400;\n font-size: px2em(20px);\n line-height: 1.5;\n letter-spacing: -0.01em;\n }\n\n // Headline on level 3 following level 2\n h2 + h3 {\n margin-top: px2em(16px, 20px);\n }\n\n // Headline on level 4\n h4 {\n margin: px2em(16px) 0;\n font-weight: 700;\n letter-spacing: -0.01em;\n }\n\n // Headline on level 5-6\n h5,\n h6 {\n margin: px2em(16px, 12.8px) 0;\n color: var(--md-default-fg-color--light);\n font-weight: 700;\n font-size: px2em(12.8px);\n letter-spacing: -0.01em;\n }\n\n // Headline on level 5\n h5 {\n text-transform: uppercase;\n }\n\n // Horizontal separator\n hr {\n display: flow-root;\n margin: 1.5em 0;\n border-bottom: px2rem(1px) solid var(--md-default-fg-color--lightest);\n }\n\n // Text link\n a {\n color: var(--md-typeset-a-color);\n word-break: break-word;\n\n // Also enable color transition on pseudo elements\n &,\n &::before {\n transition: color 125ms;\n }\n\n // Text link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Show outline for keyboard devices\n &.focus-visible {\n outline-color: var(--md-accent-fg-color);\n outline-offset: px2rem(4px);\n }\n }\n\n // Code block\n code,\n pre,\n kbd {\n color: var(--md-code-fg-color);\n direction: ltr;\n\n // [print]: Wrap text and hide scollbars\n @media print {\n white-space: pre-wrap;\n }\n }\n\n // Inline code block\n code {\n padding: 0 px2em(4px, 13.6px);\n font-size: px2em(13.6px);\n word-break: break-word;\n background-color: var(--md-code-bg-color);\n border-radius: px2rem(2px);\n box-decoration-break: clone;\n\n // Hide outline for pointer devices\n &:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n }\n }\n\n // Code block in headline\n h1 code,\n h2 code,\n h3 code,\n h4 code,\n h5 code,\n h6 code {\n margin: initial;\n padding: initial;\n background-color: transparent;\n box-shadow: none;\n }\n\n // Ensure link color in code blocks\n a code {\n color: currentColor;\n }\n\n // Unformatted content\n pre {\n position: relative;\n display: flow-root;\n line-height: 1.4;\n\n // Code block\n > code {\n display: block;\n margin: 0;\n padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n overflow: auto;\n word-break: normal;\n box-shadow: none;\n box-decoration-break: slice;\n touch-action: auto;\n scrollbar-width: thin;\n scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n // Code block on hover\n &:hover {\n scrollbar-color: var(--md-accent-fg-color) transparent;\n }\n\n // Webkit scrollbar\n &::-webkit-scrollbar {\n width: px2rem(4px);\n height: px2rem(4px);\n }\n\n // Webkit scrollbar thumb\n &::-webkit-scrollbar-thumb {\n background-color: var(--md-default-fg-color--lighter);\n\n // Webkit scrollbar thumb on hover\n &:hover {\n background-color: var(--md-accent-fg-color);\n }\n }\n }\n }\n\n // [mobile -]: Align with body copy\n @include break-to-device(mobile) {\n\n // Unformatted text\n > pre {\n margin: 1em px2rem(-16px);\n\n // Code block\n code {\n border-radius: 0;\n }\n }\n }\n\n // Keyboard key\n kbd {\n display: inline-block;\n padding: 0 px2em(8px, 12px);\n color: var(--md-default-fg-color);\n font-size: px2em(12px);\n vertical-align: text-top;\n word-break: break-word;\n background-color: var(--md-typeset-kbd-color);\n border-radius: px2rem(2px);\n box-shadow:\n 0 px2rem(2px) 0 px2rem(1px) var(--md-typeset-kbd-border-color),\n 0 px2rem(2px) 0 var(--md-typeset-kbd-border-color),\n 0 px2rem(-2px) px2rem(4px) var(--md-typeset-kbd-accent-color) inset;\n }\n\n // Text highlighting marker\n mark {\n color: inherit;\n word-break: break-word;\n background-color: var(--md-typeset-mark-color);\n box-decoration-break: clone;\n }\n\n // Abbreviation\n abbr {\n text-decoration: none;\n border-bottom: px2rem(1px) dotted var(--md-default-fg-color--light);\n cursor: help;\n\n // Show tooltip for touch devices\n @media (hover: none) {\n position: relative;\n\n // Tooltip\n &[title]:focus::after,\n &[title]:hover::after {\n @include z-depth(2);\n\n position: absolute;\n left: 0;\n display: inline-block;\n width: auto;\n min-width: max-content;\n max-width: 80%;\n margin-top: 2em;\n padding: px2rem(4px) px2rem(6px);\n color: var(--md-default-bg-color);\n font-size: px2rem(14px);\n background-color: var(--md-default-fg-color);\n border-radius: px2rem(2px);\n content: attr(title);\n }\n }\n }\n\n // Small text\n small {\n opacity: 0.75;\n }\n\n // Superscript and subscript\n sup,\n sub {\n margin-left: px2em(1px, 12.8px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2em(1px, 12.8px);\n margin-left: initial;\n }\n }\n\n // Blockquotes, possibly nested\n blockquote {\n padding-left: px2rem(12px);\n color: var(--md-default-fg-color--light);\n border-left: px2rem(4px) solid var(--md-default-fg-color--lighter);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(12px);\n padding-left: initial;\n border-right: px2rem(4px) solid var(--md-default-fg-color--lighter);\n border-left: initial;\n }\n }\n\n // Unordered list\n ul {\n list-style-type: disc;\n }\n\n // Unordered and ordered list\n ul,\n ol {\n display: flow-root;\n margin-left: px2em(10px);\n padding: 0;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2em(10px);\n margin-left: initial;\n }\n\n // Nested ordered list\n ol {\n list-style-type: lower-alpha;\n\n // Triply nested ordered list\n ol {\n list-style-type: lower-roman;\n }\n }\n\n // List element\n li {\n margin-bottom: 0.5em;\n margin-left: px2em(20px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2em(20px);\n margin-left: initial;\n }\n\n // Adjust spacing\n p,\n blockquote {\n margin: 0.5em 0;\n }\n\n // Adjust spacing on last child\n &:last-child {\n margin-bottom: 0;\n }\n\n // Nested list\n ul,\n ol {\n margin: 0.5em 0 0.5em px2em(10px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2em(10px);\n margin-left: initial;\n }\n }\n }\n }\n\n // Definition list\n dd {\n margin: 1em 0 1.5em px2em(30px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2em(30px);\n margin-left: initial;\n }\n }\n\n // Image or icon\n img,\n svg {\n max-width: 100%;\n height: auto;\n\n // Adjust spacing when left-aligned\n &[align=\"left\"] {\n margin: 1em;\n margin-left: 0;\n }\n\n // Adjust spacing when right-aligned\n &[align=\"right\"] {\n margin: 1em;\n margin-right: 0;\n }\n\n // Adjust spacing when sole children\n &[align]:only-child {\n margin-top: 0;\n }\n }\n\n // Figure\n figure {\n display: flow-root;\n width: fit-content;\n max-width: 100%;\n margin: 0 auto;\n text-align: center;\n\n // Figure images\n img {\n display: block;\n }\n }\n\n // Figure caption\n figcaption {\n max-width: px2rem(480px);\n margin: 1em auto 2em;\n font-style: italic;\n }\n\n // Limit width to container\n iframe {\n max-width: 100%;\n }\n\n // Data table\n table:not([class]) {\n display: inline-block;\n max-width: 100%;\n overflow: auto;\n font-size: px2rem(12.8px);\n background-color: var(--md-default-bg-color);\n border: px2rem(1px) solid var(--md-typeset-table-color);\n border-radius: px2rem(2px);\n touch-action: auto;\n\n // [print]: Reset display mode so table header wraps when printing\n @media print {\n display: table;\n }\n\n // Due to margin collapse because of the necessary inline-block hack, we\n // cannot increase the bottom margin on the table, so we just increase the\n // top margin on the following element\n + * {\n margin-top: 1.5em;\n }\n\n // Elements in table heading and cell\n th > *,\n td > * {\n\n // Adjust spacing on first child\n &:first-child {\n margin-top: 0;\n }\n\n // Adjust spacing on last child\n &:last-child {\n margin-bottom: 0;\n }\n }\n\n // Table heading and cell\n th:not([align]),\n td:not([align]) {\n text-align: left;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n text-align: right;\n }\n }\n\n // Table heading\n th {\n min-width: px2rem(100px);\n padding: px2em(12px, 12.8px) px2em(16px, 12.8px);\n font-weight: 700;\n vertical-align: top;\n\n // Links in table headings\n a {\n color: inherit;\n }\n }\n\n // Table cell\n td {\n padding: px2em(12px, 12.8px) px2em(16px, 12.8px);\n vertical-align: top;\n border-top: px2rem(1px) solid var(--md-typeset-table-color);\n }\n\n // Table body row\n tbody tr {\n transition: background-color 125ms;\n\n // Table row on hover\n &:hover {\n background-color: rgba(0, 0, 0, 0.035);\n box-shadow: 0 px2rem(1px) 0 var(--md-default-bg-color) inset;\n }\n }\n\n // Text link in table\n a {\n word-break: normal;\n }\n }\n\n // Sortable table\n table th[role=\"columnheader\"] {\n cursor: pointer;\n\n // Sort icon\n &::after {\n display: inline-block;\n width: 1.2em;\n height: 1.2em;\n margin-left: 0.5em;\n vertical-align: text-bottom;\n mask-image: var(--md-typeset-table-sort-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n transition: background-color 125ms;\n content: \"\";\n }\n\n // Show sort icon on hover\n &:hover::after {\n background-color: var(--md-default-fg-color--lighter);\n }\n\n // Sort ascending icon\n &[aria-sort=\"ascending\"]::after {\n background-color: var(--md-default-fg-color--light);\n mask-image: var(--md-typeset-table-sort-icon--asc);\n }\n\n // Sort descending icon\n &[aria-sort=\"descending\"]::after {\n background-color: var(--md-default-fg-color--light);\n mask-image: var(--md-typeset-table-sort-icon--desc);\n }\n }\n\n // Data table scroll wrapper\n &__scrollwrap {\n margin: 1em px2rem(-16px);\n overflow-x: auto;\n touch-action: auto;\n }\n\n // Data table wrapper\n &__table {\n display: inline-block;\n margin-bottom: 0.5em;\n padding: 0 px2rem(16px);\n\n // [print]: Reset display mode so table header wraps when printing\n @media print {\n display: block;\n }\n\n // Data table\n html & table {\n display: table;\n width: 100%;\n margin: 0;\n overflow: hidden;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n@use \"sass:list\";\n@use \"sass:map\";\n@use \"sass:math\";\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n///\n/// Device-specific breakpoints\n///\n/// @example\n/// $break-devices: (\n/// mobile: (\n/// portrait: 220px 479px,\n/// landscape: 480px 719px\n/// ),\n/// tablet: (\n/// portrait: 720px 959px,\n/// landscape: 960px 1219px\n/// ),\n/// screen: (\n/// small: 1220px 1599px,\n/// medium: 1600px 1999px,\n/// large: 2000px\n/// )\n/// );\n///\n$break-devices: () !default;\n\n// ----------------------------------------------------------------------------\n// Helpers\n// ----------------------------------------------------------------------------\n\n///\n/// Choose minimum and maximum device widths\n///\n@function break-select-min-max($devices) {\n $min: 1000000;\n $max: 0;\n @each $key, $value in $devices {\n @while type-of($value) == map {\n $value: break-select-min-max($value);\n }\n @if type-of($value) == list {\n @each $number in $value {\n @if type-of($number) == number {\n $min: math.min($number, $min);\n @if $max {\n $max: math.max($number, $max);\n }\n } @else {\n @error \"Invalid number: #{$number}\";\n }\n }\n } @else if type-of($value) == number {\n $min: math.min($value, $min);\n $max: null;\n } @else {\n @error \"Invalid value: #{$value}\";\n }\n }\n @return $min, $max;\n}\n\n///\n/// Select minimum and maximum widths for a device breakpoint\n///\n@function break-select-device($device) {\n $current: $break-devices;\n @for $n from 1 through length($device) {\n @if type-of($current) == map {\n $current: map.get($current, list.nth($device, $n));\n } @else {\n @error \"Invalid device map: #{$devices}\";\n }\n }\n @if type-of($current) == list or type-of($current) == number {\n $current: (default: $current);\n }\n @return break-select-min-max($current);\n}\n\n// ----------------------------------------------------------------------------\n// Mixins\n// ----------------------------------------------------------------------------\n\n///\n/// A minimum-maximum media query breakpoint\n///\n@mixin break-at($breakpoint) {\n @if type-of($breakpoint) == number {\n @media screen and (min-width: $breakpoint) {\n @content;\n }\n } @else if type-of($breakpoint) == list {\n $min: list.nth($breakpoint, 1);\n $max: list.nth($breakpoint, 2);\n @if type-of($min) == number and type-of($max) == number {\n @media screen and (min-width: $min) and (max-width: $max) {\n @content;\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n}\n\n///\n/// An orientation media query breakpoint\n///\n@mixin break-at-orientation($breakpoint) {\n @if type-of($breakpoint) == string {\n @media screen and (orientation: $breakpoint) {\n @content;\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n}\n\n///\n/// A maximum-aspect-ratio media query breakpoint\n///\n@mixin break-at-ratio($breakpoint) {\n @if type-of($breakpoint) == number {\n @media screen and (max-aspect-ratio: $breakpoint) {\n @content;\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n}\n\n///\n/// A minimum-maximum media query device breakpoint\n///\n@mixin break-at-device($device) {\n @if type-of($device) == string {\n $device: $device,;\n }\n @if type-of($device) == list {\n $breakpoint: break-select-device($device);\n @if list.nth($breakpoint, 2) {\n $min: list.nth($breakpoint, 1);\n $max: list.nth($breakpoint, 2);\n\n @media screen and (min-width: $min) and (max-width: $max) {\n @content;\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n}\n\n///\n/// A minimum media query device breakpoint\n///\n@mixin break-from-device($device) {\n @if type-of($device) == string {\n $device: $device,;\n }\n @if type-of($device) == list {\n $breakpoint: break-select-device($device);\n $min: list.nth($breakpoint, 1);\n\n @media screen and (min-width: $min) {\n @content;\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n}\n\n///\n/// A maximum media query device breakpoint\n///\n@mixin break-to-device($device) {\n @if type-of($device) == string {\n $device: $device,;\n }\n @if type-of($device) == list {\n $breakpoint: break-select-device($device);\n $max: list.nth($breakpoint, 2);\n\n @media screen and (max-width: $max) {\n @content;\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n}\n","//\n// Name: Material Shadows\n// Description: Mixins for Material Design Shadows.\n// Version: 3.0.1\n//\n// Author: Denis Malinochkin\n// Git: https://github.com/mrmlnc/material-shadows\n//\n// twitter: @mrmlnc\n//\n// ------------------------------------\n\n\n// Mixins\n// ------------------------------------\n\n@mixin z-depth-transition() {\n transition: box-shadow .28s cubic-bezier(.4, 0, .2, 1);\n}\n\n@mixin z-depth-focus() {\n box-shadow: 0 0 8px rgba(0, 0, 0, .18), 0 8px 16px rgba(0, 0, 0, .36);\n}\n\n@mixin z-depth-2dp() {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, .14),\n 0 1px 5px 0 rgba(0, 0, 0, .12),\n 0 3px 1px -2px rgba(0, 0, 0, .2);\n}\n\n@mixin z-depth-3dp() {\n box-shadow: 0 3px 4px 0 rgba(0, 0, 0, .14),\n 0 1px 8px 0 rgba(0, 0, 0, .12),\n 0 3px 3px -2px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-4dp() {\n box-shadow: 0 4px 5px 0 rgba(0, 0, 0, .14),\n 0 1px 10px 0 rgba(0, 0, 0, .12),\n 0 2px 4px -1px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-6dp() {\n box-shadow: 0 6px 10px 0 rgba(0, 0, 0, .14),\n 0 1px 18px 0 rgba(0, 0, 0, .12),\n 0 3px 5px -1px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-8dp() {\n box-shadow: 0 8px 10px 1px rgba(0, 0, 0, .14),\n 0 3px 14px 2px rgba(0, 0, 0, .12),\n 0 5px 5px -3px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-16dp() {\n box-shadow: 0 16px 24px 2px rgba(0, 0, 0, .14),\n 0 6px 30px 5px rgba(0, 0, 0, .12),\n 0 8px 10px -5px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth-24dp() {\n box-shadow: 0 9px 46px 8px rgba(0, 0, 0, .14),\n 0 24px 38px 3px rgba(0, 0, 0, .12),\n 0 11px 15px -7px rgba(0, 0, 0, .4);\n}\n\n@mixin z-depth($dp: 2) {\n @if $dp == 2 {\n @include z-depth-2dp();\n } @else if $dp == 3 {\n @include z-depth-3dp();\n } @else if $dp == 4 {\n @include z-depth-4dp();\n } @else if $dp == 6 {\n @include z-depth-6dp();\n } @else if $dp == 8 {\n @include z-depth-8dp();\n } @else if $dp == 16 {\n @include z-depth-16dp();\n } @else if $dp == 24 {\n @include z-depth-24dp();\n }\n}\n\n\n// Class generator\n// ------------------------------------\n\n@mixin z-depth-classes($transition: false, $focus: false) {\n @if $transition == true {\n &-transition {\n @include z-depth-transition();\n }\n }\n\n @if $focus == true {\n &-focus {\n @include z-depth-focus();\n }\n }\n\n // The available values for the shadow depth\n @each $depth in 2, 3, 4, 6, 8, 16, 24 {\n &-#{$depth}dp {\n @include z-depth($depth);\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: base grid and containers\n// ----------------------------------------------------------------------------\n\n// Stretch container to viewport and set base `font-size`\nhtml {\n height: 100%;\n overflow-x: hidden;\n // Hack: normally, we would set the base `font-size` to `62.5%`, so we can\n // base all calculations on `10px`, but Chromium and Chrome define a minimal\n // `font-size` of `12px` if the system language is set to Chinese. For this\n // reason we just double the `font-size` and set it to `20px`.\n //\n // See https://github.com/squidfunk/mkdocs-material/issues/911\n font-size: 125%;\n\n // [screen medium +]: Set base `font-size` to `11px`\n @include break-from-device(screen medium) {\n font-size: 137.5%;\n }\n\n // [screen large +]: Set base `font-size` to `12px`\n @include break-from-device(screen large) {\n font-size: 150%;\n }\n}\n\n// Stretch body to container - flexbox is used, so the footer will always be\n// aligned to the bottom of the viewport\nbody {\n position: relative;\n display: flex;\n flex-direction: column;\n width: 100%;\n min-height: 100%;\n // Hack: reset `font-size` to `10px`, so the spacing for all inline elements\n // is correct again. Otherwise the spacing would be based on `20px`.\n font-size: px2rem(10px);\n background-color: var(--md-default-bg-color);\n\n // [print]: Omit flexbox layout due to a Firefox bug (https://mzl.la/39DgR3m)\n @media print {\n display: block;\n }\n\n // Body in locked state\n &[data-md-state=\"lock\"] {\n\n // [tablet portrait -]: Omit scroll bubbling\n @include break-to-device(tablet portrait) {\n position: fixed;\n }\n }\n}\n\n// ----------------------------------------------------------------------------\n\n// Grid container - this class is applied to wrapper elements within the\n// header, content area and footer, and makes sure that their width is limited\n// to `1220px`, and they are rendered centered if the screen is larger.\n.md-grid {\n max-width: px2rem(1220px);\n margin-right: auto;\n margin-left: auto;\n}\n\n// Main container\n.md-container {\n display: flex;\n flex-direction: column;\n flex-grow: 1;\n\n // [print]: Omit flexbox layout due to a Firefox bug (https://mzl.la/39DgR3m)\n @media print {\n display: block;\n }\n}\n\n// Main area - stretch to remaining space of container\n.md-main {\n flex-grow: 1;\n\n // Main area wrapper\n &__inner {\n display: flex;\n height: 100%;\n margin-top: px2rem(24px + 6px);\n }\n}\n\n// Add ellipsis in case of overflowing text\n.md-ellipsis {\n overflow: hidden;\n white-space: nowrap;\n text-overflow: ellipsis;\n}\n\n// ----------------------------------------------------------------------------\n// Rules: navigational elements\n// ----------------------------------------------------------------------------\n\n// Toggle - this class is applied to checkbox elements, which are used to\n// implement the CSS-only drawer and navigation, as well as the search\n.md-toggle {\n display: none;\n}\n\n// Option - this class is applied to radio elements, which are used to\n// implement the color palette toggle\n.md-option {\n position: absolute;\n width: 0;\n height: 0;\n opacity: 0;\n\n // Option label for checked radio button\n &:checked + label:not([hidden]) {\n display: block;\n }\n\n // Show outline for keyboard devices\n &.focus-visible + label {\n outline-style: auto;\n outline-color: var(--md-accent-fg-color);\n }\n}\n\n// Skip link\n.md-skip {\n position: fixed;\n // Hack: if we don't set the negative `z-index`, the skip link will force the\n // creation of new layers when code blocks are near the header on scrolling\n z-index: -1;\n margin: px2rem(10px);\n padding: px2rem(6px) px2rem(10px);\n color: var(--md-default-bg-color);\n font-size: px2rem(12.8px);\n background-color: var(--md-default-fg-color);\n border-radius: px2rem(2px);\n outline-color: var(--md-accent-fg-color);\n transform: translateY(px2rem(8px));\n opacity: 0;\n\n // Show skip link on focus\n &:focus {\n z-index: 10;\n transform: translateY(0);\n opacity: 1;\n transition:\n transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n opacity 175ms 75ms;\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: print styles\n// ----------------------------------------------------------------------------\n\n// Add margins to page\n@page {\n margin: 25mm;\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Announcement bar\n.md-announce {\n overflow: auto;\n background-color: var(--md-footer-bg-color);\n\n // [print]: Hide announcement bar\n @media print {\n display: none;\n }\n\n // Announcement wrapper\n &__inner {\n margin: px2rem(12px) auto;\n padding: 0 px2rem(16px);\n color: var(--md-footer-fg-color);\n font-size: px2rem(14px);\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-clipboard-icon: svg-load(\"material/content-copy.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Button to copy to clipboard\n.md-clipboard {\n position: absolute;\n top: px2em(8px);\n right: px2em(8px);\n z-index: 1;\n width: px2em(24px);\n height: px2em(24px);\n color: var(--md-default-fg-color--lightest);\n border-radius: px2rem(2px);\n outline-color: var(--md-accent-fg-color);\n outline-offset: px2rem(2px);\n cursor: pointer;\n transition: color 250ms;\n\n // [print]: Hide button\n @media print {\n display: none;\n }\n\n // Hide outline for pointer devices\n &:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n }\n\n // Darken color on code block hover\n :hover > & {\n color: var(--md-default-fg-color--light);\n }\n\n // Button on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Button icon - the width and height are defined in `em`, so the size is\n // automatically adjusted for nested code blocks (e.g. in admonitions)\n &::after {\n display: block;\n width: px2em(18px);\n height: px2em(18px);\n margin: 0 auto;\n background-color: currentColor;\n mask-image: var(--md-clipboard-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n\n // Inline button\n &--inline {\n cursor: pointer;\n\n // Code block\n code {\n transition:\n color 250ms,\n background-color 250ms;\n }\n\n // Code block on focus/hover\n &:focus code,\n &:hover code {\n color: var(--md-accent-fg-color);\n background-color: var(--md-accent-fg-color--transparent);\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Content area\n.md-content {\n flex-grow: 1;\n // Hack: we must use `overflow: hidden`, so the content area is capped by\n // the dimensions of its parent. Otherwise, long code blocks might lead to\n // a wider content area which will break everything. This, however, induces\n // margin collapse, which will break scroll margins. Adding a large enough\n // scroll padding seems to do the trick, at least in Chrome and Firefox.\n overflow: hidden;\n scroll-padding-top: px2rem(1024px);\n\n // Content wrapper\n &__inner {\n margin: 0 px2rem(16px) px2rem(24px);\n padding-top: px2rem(12px);\n\n // [screen +]: Adjust spacing between content area and sidebars\n @include break-from-device(screen) {\n\n // Sidebar with navigation is visible\n .md-sidebar--primary:not([hidden]) ~ .md-content > & {\n\n // Adjust for left-to-right languages\n [dir=\"ltr\"] & {\n margin-left: px2rem(24px);\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(24px);\n }\n }\n\n // Sidebar with table of contents is visible\n .md-sidebar--secondary:not([hidden]) ~ .md-content > & {\n\n // Adjust for left-to-right languages\n [dir=\"ltr\"] & {\n margin-right: px2rem(24px);\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-left: px2rem(24px);\n }\n }\n }\n\n // Hack: add pseudo element for spacing, as the overflow of the content\n // container may not be hidden due to an imminent offset error on targets\n &::before {\n display: block;\n height: px2rem(8px);\n content: \"\";\n }\n\n // Adjust spacing on last child\n > :last-child {\n margin-bottom: 0;\n }\n }\n\n // Button inside of the content area - these buttons are meant for actions on\n // a document-level, i.e. linking to related source code files, printing etc.\n &__button {\n float: right;\n margin: px2rem(8px) 0;\n margin-left: px2rem(8px);\n padding: 0;\n\n // [print]: Hide buttons\n @media print {\n display: none;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: left;\n margin-right: px2rem(8px);\n margin-left: initial;\n\n // Flip icon vertically\n svg {\n transform: scaleX(-1);\n }\n }\n\n // Adjust default link color for icons\n .md-typeset & {\n color: var(--md-default-fg-color--lighter);\n }\n\n // Align with body copy located next to icon\n svg {\n display: inline;\n vertical-align: top;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Dialog\n.md-dialog {\n @include z-depth(2);\n\n position: fixed;\n right: px2rem(16px);\n bottom: px2rem(16px);\n left: initial;\n z-index: 3;\n min-width: px2rem(222px);\n padding: px2rem(8px) px2rem(12px);\n background-color: var(--md-default-fg-color);\n border-radius: px2rem(2px);\n transform: translateY(100%);\n opacity: 0;\n transition:\n transform 0ms 400ms,\n opacity 400ms;\n pointer-events: none;\n\n // [print]: Hide dialog\n @media print {\n display: none;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: initial;\n left: px2rem(16px);\n }\n\n // Dialog in open state\n &[data-md-state=\"open\"] {\n transform: translateY(0);\n opacity: 1;\n transition:\n transform 400ms cubic-bezier(0.075, 0.85, 0.175, 1),\n opacity 400ms;\n pointer-events: initial;\n }\n\n // Dialog wrapper\n &__inner {\n color: var(--md-default-bg-color);\n font-size: px2rem(14px);\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Form button\n .md-button {\n display: inline-block;\n padding: px2em(10px) px2em(32px);\n color: var(--md-primary-fg-color);\n font-weight: 700;\n border: px2rem(2px) solid currentColor;\n border-radius: px2rem(2px);\n cursor: pointer;\n transition:\n color 125ms,\n background-color 125ms,\n border-color 125ms;\n\n // Primary button\n &--primary {\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n border-color: var(--md-primary-fg-color);\n }\n\n // Button on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-bg-color);\n background-color: var(--md-accent-fg-color);\n border-color: var(--md-accent-fg-color);\n }\n }\n\n // Form input\n .md-input {\n height: px2rem(36px);\n padding: 0 px2rem(12px);\n font-size: px2rem(16px);\n border-radius: px2rem(2px);\n box-shadow:\n 0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n 0 px2rem(0.5px) px2rem(1px) hsla(0, 0%, 0%, 0.1);\n transition: box-shadow 250ms;\n\n // Input on focus/hover\n &:focus,\n &:hover {\n box-shadow:\n 0 px2rem(8px) px2rem(20px) hsla(0, 0%, 0%, 0.15),\n 0 px2rem(0.5px) px2rem(1px) hsla(0, 0%, 0%, 0.15);\n }\n\n // Stretch to full width\n &--stretch {\n width: 100%;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Header - by default, the header will be sticky and stay always on top of the\n// viewport. If this behavior is not desired, just set `position: static`.\n.md-header {\n position: sticky;\n top: 0;\n right: 0;\n left: 0;\n z-index: 3;\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n // Hack: reduce jitter by adding a transparent box shadow of the same size\n // so the size of the layer doesn't change during animation\n box-shadow:\n 0 0 px2rem(4px) rgba(0, 0, 0, 0),\n 0 px2rem(4px) px2rem(8px) rgba(0, 0, 0, 0);\n\n // [print]: Hide header\n @media print {\n display: none;\n }\n\n // Header in shadow state, i.e. shadow is visible\n &[data-md-state=\"shadow\"] {\n box-shadow:\n 0 0 px2rem(4px) rgba(0, 0, 0, 0.1),\n 0 px2rem(4px) px2rem(8px) rgba(0, 0, 0, 0.2);\n transition:\n transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1),\n box-shadow 250ms;\n }\n\n // Header in hidden state, i.e. moved out of sight\n &[data-md-state=\"hidden\"] {\n transform: translateY(-100%);\n transition:\n transform 250ms cubic-bezier(0.8, 0, 0.6, 1),\n box-shadow 250ms;\n }\n\n // Header wrapper\n &__inner {\n display: flex;\n align-items: center;\n padding: 0 px2rem(4px);\n }\n\n // Header button\n &__button {\n position: relative;\n z-index: 1;\n margin: px2rem(4px);\n padding: px2rem(8px);\n color: currentColor;\n vertical-align: middle;\n outline-color: var(--md-accent-fg-color);\n cursor: pointer;\n transition: opacity 250ms;\n\n // Button on hover\n &:hover {\n opacity: 0.7;\n }\n\n // Header button is visible\n &:not([hidden]) {\n display: inline-block;\n }\n\n // Hide outline for pointer devices\n &:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n }\n\n // Button with logo, pointing to `config.site_url`\n &.md-logo {\n margin: px2rem(4px);\n padding: px2rem(8px);\n\n // [tablet -]: Hide button\n @include break-to-device(tablet) {\n display: none;\n }\n\n // Image or icon\n img,\n svg {\n display: block;\n width: px2rem(24px);\n height: px2rem(24px);\n fill: currentColor;\n }\n }\n\n // Button for search\n &[for=\"__search\"] {\n\n // [tablet landscape +]: Hide button\n @include break-from-device(tablet landscape) {\n display: none;\n }\n\n // [no-js]: Hide button\n .no-js & {\n display: none;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n\n // Flip icon vertically\n svg {\n transform: scaleX(-1);\n }\n }\n }\n\n // Button for drawer\n &[for=\"__drawer\"] {\n\n // [screen +]: Hide button\n @include break-from-device(screen) {\n display: none;\n }\n }\n }\n\n // Header topic\n &__topic {\n position: absolute;\n display: flex;\n max-width: 100%;\n transition:\n transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n opacity 150ms;\n\n // Second header topic - title of the current page\n & + & {\n z-index: -1;\n transform: translateX(px2rem(25px));\n opacity: 0;\n transition:\n transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1),\n opacity 150ms;\n pointer-events: none;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n transform: translateX(px2rem(-25px));\n }\n }\n }\n\n // Header title\n &__title {\n flex-grow: 1;\n height: px2rem(48px);\n margin-right: px2rem(8px);\n margin-left: px2rem(20px);\n font-size: px2rem(18px);\n line-height: px2rem(48px);\n\n // Header title in active state, i.e. page title is visible\n &[data-md-state=\"active\"] .md-header__topic {\n z-index: -1;\n transform: translateX(px2rem(-25px));\n opacity: 0;\n transition:\n transform 400ms cubic-bezier(1, 0.7, 0.1, 0.1),\n opacity 150ms;\n pointer-events: none;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n transform: translateX(px2rem(25px));\n }\n\n // Second header topic - title of the current page\n + .md-header__topic {\n z-index: 0;\n transform: translateX(0);\n opacity: 1;\n transition:\n transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n opacity 150ms;\n pointer-events: initial;\n }\n }\n\n // Add ellipsis in case of overflowing text\n > .md-header__ellipsis {\n position: relative;\n width: 100%;\n height: 100%;\n }\n }\n\n // Header option\n &__option {\n display: flex;\n flex-shrink: 0;\n max-width: 100%;\n white-space: nowrap;\n transition:\n max-width 0ms 250ms,\n opacity 250ms 250ms;\n\n // Hide toggle when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n max-width: 0;\n opacity: 0;\n transition:\n max-width 0ms,\n opacity 0ms;\n }\n }\n\n // Repository information container\n &__source {\n display: none;\n\n // [tablet landscape +]: Show repository information\n @include break-from-device(tablet landscape) {\n display: block;\n width: px2rem(234px);\n max-width: px2rem(234px);\n margin-left: px2rem(20px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(20px);\n margin-left: initial;\n }\n }\n\n // [screen +]: Adjust spacing of search bar\n @include break-from-device(screen) {\n margin-left: px2rem(28px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(28px);\n }\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Footer\n.md-footer {\n color: var(--md-footer-fg-color);\n background-color: var(--md-footer-bg-color);\n\n // [print]: Hide footer\n @media print {\n display: none;\n }\n\n // Footer wrapper\n &__inner {\n padding: px2rem(4px);\n overflow: auto;\n }\n\n // Footer link to previous and next page\n &__link {\n display: flex;\n padding-top: px2rem(28px);\n padding-bottom: px2rem(8px);\n outline-color: var(--md-accent-fg-color);\n transition: opacity 250ms;\n\n // [tablet +]: Adjust width to 50/50\n @include break-from-device(tablet) {\n width: 50%;\n }\n\n // Footer link on focus/hover\n &:focus,\n &:hover {\n opacity: 0.7;\n }\n\n // Footer link to previous page\n &--prev {\n float: left;\n\n // [mobile -]: Adjust width to 25/75 and hide title\n @include break-to-device(mobile) {\n width: 25%;\n\n // Hide footer title\n .md-footer__title {\n display: none;\n }\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: right;\n\n // Flip icon vertically\n svg {\n transform: scaleX(-1);\n }\n }\n }\n\n // Footer link to next page\n &--next {\n float: right;\n text-align: right;\n\n // [mobile -]: Adjust width to 25/75\n @include break-to-device(mobile) {\n width: 75%;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: left;\n text-align: left;\n\n // Flip icon vertically\n svg {\n transform: scaleX(-1);\n }\n }\n }\n }\n\n // Footer title\n &__title {\n position: relative;\n flex-grow: 1;\n max-width: calc(100% - #{px2rem(48px)});\n padding: 0 px2rem(20px);\n font-size: px2rem(18px);\n line-height: px2rem(48px);\n }\n\n // Footer link button\n &__button {\n margin: px2rem(4px);\n padding: px2rem(8px);\n }\n\n // Footer link direction (i.e. prev and next)\n &__direction {\n position: absolute;\n right: 0;\n left: 0;\n margin-top: px2rem(-20px);\n padding: 0 px2rem(20px);\n font-size: px2rem(12.8px);\n opacity: 0.7;\n }\n}\n\n// Footer metadata\n.md-footer-meta {\n background-color: var(--md-footer-bg-color--dark);\n\n // Footer metadata wrapper\n &__inner {\n display: flex;\n flex-wrap: wrap;\n justify-content: space-between;\n padding: px2rem(4px);\n }\n\n // Lighten color for non-hovered text links\n html &.md-typeset a {\n color: var(--md-footer-fg-color--light);\n\n // Text link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-footer-fg-color);\n }\n }\n}\n\n// Footer copyright and theme information\n.md-footer-copyright {\n width: 100%;\n margin: auto px2rem(12px);\n padding: px2rem(8px) 0;\n color: var(--md-footer-fg-color--lighter);\n font-size: px2rem(12.8px);\n\n // [tablet portrait +]: Show copyright and social links in one line\n @include break-from-device(tablet portrait) {\n width: auto;\n }\n\n // Footer copyright highlight - this is the upper part of the copyright and\n // theme information, which will include a darker color than the theme link\n &__highlight {\n color: var(--md-footer-fg-color--light);\n }\n}\n\n// Footer social links\n.md-footer-social {\n margin: 0 px2rem(8px);\n padding: px2rem(4px) 0 px2rem(12px);\n\n // [tablet portrait +]: Show copyright and social links in one line\n @include break-from-device(tablet portrait) {\n padding: px2rem(12px) 0;\n }\n\n // Footer social link\n &__link {\n display: inline-block;\n width: px2rem(32px);\n height: px2rem(32px);\n text-align: center;\n\n // Adjust line-height to match height for correct alignment\n &::before {\n line-height: 1.9;\n }\n\n // Fill icon with current color\n svg {\n max-height: px2rem(16px);\n vertical-align: -25%;\n fill: currentColor;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-nav-icon--prev: svg-load(\"material/arrow-left.svg\");\n --md-nav-icon--next: svg-load(\"material/chevron-right.svg\");\n --md-toc-icon: svg-load(\"material/table-of-contents.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Navigation\n.md-nav {\n font-size: px2rem(14px);\n line-height: 1.3;\n\n // Navigation title\n &__title {\n display: block;\n padding: 0 px2rem(12px);\n overflow: hidden;\n font-weight: 700;\n text-overflow: ellipsis;\n\n // Navigaton button\n .md-nav__button {\n display: none;\n\n // Stretch images based on height, as it's the smaller dimension\n img {\n width: auto;\n height: 100%;\n }\n\n // Button with logo, pointing to `config.site_url`\n &.md-logo {\n\n // Image or icon\n img,\n svg {\n display: block;\n width: px2rem(48px);\n height: px2rem(48px);\n fill: currentColor;\n }\n }\n }\n }\n\n // Navigation list\n &__list {\n margin: 0;\n padding: 0;\n list-style: none;\n }\n\n // Navigation item\n &__item {\n padding: 0 px2rem(12px);\n\n // Navigation item on level 2\n & & {\n padding-right: 0;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(12px);\n padding-left: 0;\n }\n }\n }\n\n // Navigation link\n &__link {\n display: flex;\n align-items: center;\n justify-content: space-between;\n margin-top: 0.625em;\n overflow: hidden;\n text-overflow: ellipsis;\n cursor: pointer;\n transition: color 125ms;\n scroll-snap-align: start;\n\n // Navigation link in blurred state\n &[data-md-state=\"blur\"] {\n color: var(--md-default-fg-color--light);\n }\n\n // Active link\n .md-nav__item &--active {\n color: var(--md-typeset-a-color);\n }\n\n // Stretch section index link to full width\n .md-nav__item &--index [href] {\n width: 100%;\n }\n\n // Navigation link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Show outline for keyboard devices\n &.focus-visible {\n outline-color: var(--md-accent-fg-color);\n outline-offset: px2rem(4px);\n }\n\n // Navigation link for table of contents\n .md-nav--primary &[for=\"__toc\"] {\n display: none;\n\n // Table of contents icon\n .md-icon::after {\n display: block;\n width: 100%;\n height: 100%;\n mask-image: var(--md-toc-icon);\n background-color: currentColor;\n }\n\n // Hide table of contents\n ~ .md-nav {\n display: none;\n }\n }\n\n // Navigation link children (for section indexes)\n > * {\n display: flex;\n cursor: pointer;\n }\n }\n\n // Repository information container\n &__source {\n display: none;\n }\n\n // [tablet -]: Layered navigation\n @include break-to-device(tablet) {\n\n // Primary and nested navigation\n &--primary,\n &--primary & {\n position: absolute;\n top: 0;\n right: 0;\n left: 0;\n z-index: 1;\n display: flex;\n flex-direction: column;\n height: 100%;\n background-color: var(--md-default-bg-color);\n }\n\n // Primary navigation\n &--primary {\n\n // Navigation title and item\n .md-nav__title,\n .md-nav__item {\n font-size: px2rem(16px);\n line-height: 1.5;\n }\n\n // Navigation title\n .md-nav__title {\n position: relative;\n height: px2rem(112px);\n padding: px2rem(60px) px2rem(16px) px2rem(4px);\n color: var(--md-default-fg-color--light);\n font-weight: 400;\n line-height: px2rem(48px);\n white-space: nowrap;\n background-color: var(--md-default-fg-color--lightest);\n cursor: pointer;\n\n // Navigation icon\n .md-nav__icon {\n position: absolute;\n top: px2rem(8px);\n left: px2rem(8px);\n display: block;\n width: px2rem(24px);\n height: px2rem(24px);\n margin: px2rem(4px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(8px);\n left: initial;\n }\n\n // Navigation icon in link to previous level\n &::after {\n display: block;\n width: 100%;\n height: 100%;\n background-color: currentColor;\n mask-image: var(--md-nav-icon--prev);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n }\n\n // Navigation list\n ~ .md-nav__list {\n overflow-y: auto;\n background-color: var(--md-default-bg-color);\n box-shadow:\n 0 px2rem(1px) 0 var(--md-default-fg-color--lightest) inset;\n scroll-snap-type: y mandatory;\n touch-action: pan-y;\n\n // Omit border on first child\n > :first-child {\n border-top: 0;\n }\n }\n\n // Top-level navigation title\n &[for=\"__drawer\"] {\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n }\n\n // Button with logo, pointing to `config.site_url`\n .md-logo {\n position: absolute;\n top: px2rem(4px);\n left: px2rem(4px);\n display: block;\n margin: px2rem(4px);\n padding: px2rem(8px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(4px);\n left: initial;\n }\n }\n }\n\n // Navigation list\n .md-nav__list {\n flex: 1;\n }\n\n // Navigation item\n .md-nav__item {\n padding: 0;\n border-top: px2rem(1px) solid var(--md-default-fg-color--lightest);\n\n // Navigation link in active navigation\n &--active > .md-nav__link {\n color: var(--md-typeset-a-color);\n\n // Navigation link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n }\n }\n }\n\n // Navigation link\n .md-nav__link {\n margin-top: 0;\n padding: px2rem(12px) px2rem(16px);\n\n // Navigation icon\n .md-nav__icon {\n flex-shrink: 0;\n width: px2rem(24px);\n height: px2rem(24px);\n margin-right: px2rem(-4px);\n font-size: px2rem(24px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: 0;\n margin-left: px2rem(-4px);\n }\n\n // Navigation icon in link to next level\n &::after {\n display: block;\n width: 100%;\n height: 100%;\n background-color: currentColor;\n mask-image: var(--md-nav-icon--next);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n }\n }\n\n // Flip icon vertically\n .md-nav__icon {\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] &::after {\n transform: scale(-1);\n }\n }\n\n // Table of contents contained in primary navigation\n .md-nav--secondary {\n\n // Navigation on level 2-6\n .md-nav {\n position: static;\n background-color: transparent;\n\n // Navigation link on level 3\n .md-nav__link {\n padding-left: px2rem(28px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(28px);\n padding-left: initial;\n }\n }\n\n // Navigation link on level 4\n .md-nav .md-nav__link {\n padding-left: px2rem(40px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(40px);\n padding-left: initial;\n }\n }\n\n // Navigation link on level 5\n .md-nav .md-nav .md-nav__link {\n padding-left: px2rem(52px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(52px);\n padding-left: initial;\n }\n }\n\n // Navigation link on level 6\n .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: px2rem(64px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(64px);\n padding-left: initial;\n }\n }\n }\n }\n }\n\n // Table of contents\n &--secondary {\n background-color: transparent;\n }\n\n // Toggle for nested navigation\n &__toggle ~ & {\n display: flex;\n transform: translateX(100%);\n opacity: 0;\n transition:\n transform 250ms cubic-bezier(0.8, 0, 0.6, 1),\n opacity 125ms 50ms;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n transform: translateX(-100%);\n }\n }\n\n // Show nested navigation when toggle is active\n &__toggle:checked ~ & {\n transform: translateX(0);\n opacity: 1;\n transition:\n transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n opacity 125ms 125ms;\n\n // Navigation list\n > .md-nav__list {\n // Hack: promote to own layer to reduce jitter\n backface-visibility: hidden;\n }\n }\n }\n\n // [tablet portrait -]: Layered navigation with table of contents\n @include break-to-device(tablet portrait) {\n\n // Show link to table of contents\n &--primary &__link[for=\"__toc\"] {\n display: flex;\n\n // Show table of contents icon\n .md-icon::after {\n content: \"\";\n }\n\n // Hide navigation link to current page\n + .md-nav__link {\n display: none;\n }\n\n // Show table of contents\n ~ .md-nav {\n display: flex;\n }\n }\n\n // Repository information container\n &__source {\n display: block;\n padding: 0 px2rem(4px);\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color--dark);\n }\n }\n\n // [tablet landscape]: Layered navigation with table of contents\n @include break-at-device(tablet landscape) {\n\n // Show link to integrated table of contents\n &--integrated &__link[for=\"__toc\"] {\n display: flex;\n\n // Show table of contents icon\n .md-icon::after {\n content: \"\";\n }\n\n // Hide navigation link to current page\n + .md-nav__link {\n display: none;\n }\n\n // Show table of contents\n ~ .md-nav {\n display: flex;\n }\n }\n }\n\n // [tablet landscape +]: Tree-like table of contents\n @include break-from-device(tablet landscape) {\n\n // Navigation title\n &--secondary &__title {\n\n // Adjust snapping behavior\n &[for=\"__toc\"] {\n scroll-snap-align: start;\n }\n\n // Hide navigation icon\n .md-nav__icon {\n display: none;\n }\n }\n }\n\n // [screen +]: Tree-like navigation\n @include break-from-device(screen) {\n transition: max-height 250ms cubic-bezier(0.86, 0, 0.07, 1);\n\n // Navigation title\n &--primary &__title {\n\n // Adjust snapping behavior\n &[for=\"__drawer\"] {\n scroll-snap-align: start;\n }\n\n // Hide navigation icon\n .md-nav__icon {\n display: none;\n }\n }\n\n // Hide toggle for nested navigation\n &__toggle ~ & {\n display: none;\n }\n\n // Show nested navigation when toggle is active or indeterminate\n &__toggle:checked ~ &,\n &__toggle:indeterminate ~ & {\n display: block;\n }\n\n // Hide navigation title in nested navigation\n &__item--nested > & > &__title {\n display: none;\n }\n\n // Navigation section\n &__item--section {\n display: block;\n margin: 1.25em 0;\n\n // Adjust spacing on last child\n &:last-child {\n margin-bottom: 0;\n }\n\n // Show navigation link as title\n > .md-nav__link {\n font-weight: 700;\n pointer-events: none;\n\n // Make navigation link clickable\n &--index [href] {\n pointer-events: initial;\n }\n\n // Hide naviation icon\n .md-nav__icon {\n display: none;\n }\n }\n\n // Navigation\n > .md-nav {\n display: block;\n\n // Adjust spacing on next level item\n > .md-nav__list > .md-nav__item {\n padding: 0;\n }\n }\n }\n\n // Navigation icon\n &__icon {\n float: right;\n width: px2rem(18px);\n height: px2rem(18px);\n transition: transform 250ms;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: left;\n transform: rotate(180deg);\n }\n\n // Navigation icon content\n &::after {\n display: inline-block;\n width: 100%;\n height: 100%;\n vertical-align: px2rem(-2px);\n background-color: currentColor;\n mask-image: var(--md-nav-icon--next);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n\n // Navigation icon - rotate icon when toggle is active or indeterminate\n .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link &,\n .md-nav__item--nested .md-nav__toggle:indeterminate ~ .md-nav__link & {\n transform: rotate(90deg);\n }\n }\n\n // Modifier for when navigation tabs are rendered\n &--lifted {\n\n // Hide nested level 0 navigation items and site title\n > .md-nav__list > .md-nav__item--nested,\n > .md-nav__title {\n display: none;\n }\n\n // Hide level 0 navigation items\n > .md-nav__list > .md-nav__item {\n display: none;\n\n // Active parent navigation item\n &--active {\n display: block;\n padding: 0;\n\n // Show navigation link as title\n > .md-nav__link {\n margin-top: 0;\n padding: 0 px2rem(12px);\n font-weight: 700;\n pointer-events: none;\n\n // Make navigation link clickable\n &--index [href] {\n pointer-events: initial;\n }\n\n // Hide naviation icon\n .md-nav__icon {\n display: none;\n }\n }\n }\n }\n\n // Hack: Always show active navigation tab on breakpoint screen, despite\n // of checkbox being checked or not. Fixes #1655.\n .md-nav[data-md-level=\"1\"] {\n display: block;\n\n // Adjust spacing for level 1 navigation items\n > .md-nav__list > .md-nav__item {\n padding-right: px2rem(12px);\n }\n }\n }\n\n // Modifier for when table of contents is rendered in primary navigation\n &--integrated > .md-nav__list > .md-nav__item--active {\n\n // Add spacing to container for non-nested navigation items\n &:not(.md-nav__item--nested) {\n padding: 0 px2rem(12px);\n\n // Remove padding as it's given by container\n > .md-nav__link {\n padding: 0;\n }\n }\n\n // Show integrated table of contents\n .md-nav--secondary {\n display: block;\n margin-bottom: 1.25em;\n border-left: px2rem(1px) solid var(--md-primary-fg-color);\n\n // Hide table of contents title\n > .md-nav__title {\n display: none;\n }\n }\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-search-result-icon: svg-load(\"material/file-search-outline.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Search\n.md-search {\n position: relative;\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n padding: px2rem(4px) 0;\n }\n\n // [no-js]: Hide search\n .no-js & {\n display: none;\n }\n\n // Search overlay\n &__overlay {\n z-index: 1;\n opacity: 0;\n\n // [tablet portrait -]: Search modal\n @include break-to-device(tablet portrait) {\n position: absolute;\n top: px2rem(-20px);\n left: px2rem(-44px);\n width: px2rem(40px);\n height: px2rem(40px);\n overflow: hidden;\n background-color: var(--md-default-bg-color);\n border-radius: px2rem(20px);\n transform-origin: center;\n transition:\n transform 300ms 100ms,\n opacity 200ms 200ms;\n pointer-events: none;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(-44px);\n left: initial;\n }\n\n // Show overlay when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n opacity: 1;\n transition:\n transform 400ms,\n opacity 100ms;\n }\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n position: fixed;\n top: 0;\n left: 0;\n width: 0;\n height: 0;\n background-color: hsla(0, 0%, 0%, 0.54);\n cursor: pointer;\n transition:\n width 0ms 250ms,\n height 0ms 250ms,\n opacity 250ms;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: 0;\n left: initial;\n }\n\n // Show overlay when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n width: 100%;\n // Hack: when the header is translated upon scrolling, a new layer is\n // induced, which means that the height will now refer to the height of\n // the header, albeit positioning is fixed. This should be mitigated\n // in all cases when setting the height to 2x the viewport.\n height: 200vh;\n opacity: 1;\n transition:\n width 0ms,\n height 0ms,\n opacity 250ms;\n }\n }\n\n // Adjust appearance when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n\n // [mobile portrait -]: Scale up 45 times\n @include break-to-device(mobile portrait) {\n transform: scale(45);\n }\n\n // [mobile landscape]: Scale up 60 times\n @include break-at-device(mobile landscape) {\n transform: scale(60);\n }\n\n // [tablet portrait]: Scale up 75 times\n @include break-at-device(tablet portrait) {\n transform: scale(75);\n }\n }\n }\n\n // Search wrapper\n &__inner {\n // Hack: promote to own layer to reduce jitter\n backface-visibility: hidden;\n\n // [tablet portrait -]: Search modal\n @include break-to-device(tablet portrait) {\n position: fixed;\n top: 0;\n left: 0;\n z-index: 2;\n width: 0;\n height: 0;\n overflow: hidden;\n transform: translateX(5%);\n opacity: 0;\n transition:\n width 0ms 300ms,\n height 0ms 300ms,\n transform 150ms 150ms cubic-bezier(0.4, 0, 0.2, 1),\n opacity 150ms 150ms;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: 0;\n left: initial;\n transform: translateX(-5%);\n }\n\n // Adjust appearance when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n width: 100%;\n height: 100%;\n transform: translateX(0);\n opacity: 1;\n transition:\n width 0ms 0ms,\n height 0ms 0ms,\n transform 150ms 150ms cubic-bezier(0.1, 0.7, 0.1, 1),\n opacity 150ms 150ms;\n }\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n position: relative;\n float: right;\n width: px2rem(234px);\n padding: px2rem(2px) 0;\n transition: width 250ms cubic-bezier(0.1, 0.7, 0.1, 1);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: left;\n }\n }\n\n // Adjust appearance when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n\n // [tablet landscape]: Omit overlaying header title\n @include break-at-device(tablet landscape) {\n width: px2rem(468px);\n }\n\n // [screen +]: Match width of content area\n @include break-from-device(screen) {\n width: px2rem(688px);\n }\n }\n }\n\n // Search form\n &__form {\n position: relative;\n z-index: 2;\n height: px2rem(48px);\n background-color: var(--md-default-bg-color);\n box-shadow: 0 0 px2rem(12px) transparent;\n transition:\n color 250ms,\n background-color 250ms;\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n height: px2rem(36px);\n background-color: hsla(0, 0%, 0%, 0.26);\n border-radius: px2rem(2px);\n\n // Search form on hover\n &:hover {\n background-color: hsla(0, 0%, 100%, 0.12);\n }\n }\n\n // Adjust appearance when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n color: var(--md-default-fg-color);\n background-color: var(--md-default-bg-color);\n border-radius: px2rem(2px) px2rem(2px) 0 0;\n box-shadow: 0 0 px2rem(12px) hsla(0, 0%, 0%, 0.07);\n }\n }\n\n // Search input\n &__input {\n position: relative;\n z-index: 2;\n width: 100%;\n height: 100%;\n padding: 0 px2rem(44px) 0 px2rem(72px);\n font-size: px2rem(18px);\n text-overflow: ellipsis;\n background: transparent;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding: 0 px2rem(72px) 0 px2rem(44px);\n }\n\n // Search placeholder\n &::placeholder {\n transition: color 250ms;\n }\n\n // Search icon and placeholder\n ~ .md-search__icon,\n &::placeholder {\n color: var(--md-default-fg-color--light);\n }\n\n // Remove the \"x\" rendered by Internet Explorer\n &::-ms-clear {\n display: none;\n }\n\n // [tablet portrait -]: Search modal\n @include break-to-device(tablet portrait) {\n width: 100%;\n height: px2rem(48px);\n font-size: px2rem(18px);\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n padding-left: px2rem(44px);\n color: inherit;\n font-size: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(44px);\n }\n\n // Search placeholder\n &::placeholder {\n color: var(--md-primary-bg-color--light);\n }\n\n // Search icon\n + .md-search__icon {\n color: var(--md-primary-bg-color);\n }\n\n // Adjust appearance when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n text-overflow: clip;\n\n // Search icon and placeholder\n + .md-search__icon,\n &::placeholder {\n color: var(--md-default-fg-color--light);\n }\n }\n }\n }\n\n // Search icon\n &__icon {\n display: inline-block;\n width: px2rem(24px);\n height: px2rem(24px);\n cursor: pointer;\n transition:\n color 250ms,\n opacity 250ms;\n\n // Search icon on hover\n &:hover {\n opacity: 0.7;\n }\n\n // Search focus button\n &[for=\"__search\"] {\n position: absolute;\n top: px2rem(6px);\n left: px2rem(10px);\n z-index: 2;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(10px);\n left: initial;\n\n // Flip icon vertically\n svg {\n transform: scaleX(-1);\n }\n }\n\n // [tablet portrait -]: Search modal\n @include break-to-device(tablet portrait) {\n top: px2rem(12px);\n left: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(16px);\n left: initial;\n }\n\n // Hide the magnifying glass\n svg:first-child {\n display: none;\n }\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n pointer-events: none;\n\n // Hide the back arrow\n svg:last-child {\n display: none;\n }\n }\n }\n }\n\n // Search options\n &__options {\n position: absolute;\n top: px2rem(6px);\n right: px2rem(10px);\n z-index: 2;\n pointer-events: none;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: initial;\n left: px2rem(10px);\n }\n\n // [tablet portrait -]: Search modal\n @include break-to-device(tablet portrait) {\n top: px2rem(12px);\n right: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: initial;\n left: px2rem(16px);\n }\n }\n\n // Search option buttons\n > * {\n margin-left: px2rem(4px);\n color: var(--md-default-fg-color--light);\n transform: scale(0.75);\n opacity: 0;\n transition:\n transform 150ms cubic-bezier(0.1, 0.7, 0.1, 1),\n opacity 150ms;\n\n // Hide outline for pointer devices\n &:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n }\n\n // Show reset button when search is active and input non-empty\n [data-md-toggle=\"search\"]:checked ~ .md-header\n .md-search__input:valid ~ & {\n transform: scale(1);\n opacity: 1;\n pointer-events: initial;\n\n // Search focus icon\n &:hover {\n opacity: 0.7;\n }\n }\n }\n }\n\n // Search suggestions\n &__suggest {\n position: absolute;\n top: 0;\n display: flex;\n align-items: center;\n width: 100%;\n height: 100%;\n padding: 0 px2rem(44px) 0 px2rem(72px);\n color: var(--md-default-fg-color--lighter);\n font-size: px2rem(18px);\n white-space: nowrap;\n opacity: 0;\n transition: opacity 50ms;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding: 0 px2rem(72px) 0 px2rem(44px);\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n padding-left: px2rem(44px);\n font-size: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(44px);\n }\n }\n\n // Show suggestions when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n opacity: 1;\n transition: opacity 300ms 100ms;\n }\n }\n\n // Search output\n &__output {\n position: absolute;\n z-index: 1;\n width: 100%;\n overflow: hidden;\n border-radius: 0 0 px2rem(2px) px2rem(2px);\n\n // [tablet portrait -]: Search modal\n @include break-to-device(tablet portrait) {\n top: px2rem(48px);\n bottom: 0;\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n top: px2rem(38px);\n opacity: 0;\n transition: opacity 400ms;\n\n // Show output when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n @include z-depth(6);\n\n opacity: 1;\n }\n }\n }\n\n // Search scroll wrapper\n &__scrollwrap {\n height: 100%;\n overflow-y: auto;\n background-color: var(--md-default-bg-color);\n // Hack: promote to own layer to reduce jitter\n backface-visibility: hidden;\n // Hack: Chrome 88+ has weird overscroll behavior. Overall, scroll snapping\n // seems to be something that is not ready for prime time on some browsers.\n // scroll-snap-type: y mandatory;\n touch-action: pan-y;\n\n // Mitigiate excessive repaints on non-retina devices\n @media (max-resolution: 1dppx) {\n transform: translateZ(0);\n }\n\n // [tablet landscape]: Set fixed width to omit unnecessary reflow\n @include break-at-device(tablet landscape) {\n width: px2rem(468px);\n }\n\n // [screen +]: Set fixed width to omit unnecessary reflow\n @include break-from-device(screen) {\n width: px2rem(688px);\n }\n\n // [tablet landscape +]: Limit height to viewport\n @include break-from-device(tablet landscape) {\n max-height: 0;\n scrollbar-width: thin;\n scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n // Show scroll wrapper when search is active\n [data-md-toggle=\"search\"]:checked ~ .md-header & {\n max-height: 75vh;\n }\n\n // Search scroll wrapper on hover\n &:hover {\n scrollbar-color: var(--md-accent-fg-color) transparent;\n }\n\n // Webkit scrollbar\n &::-webkit-scrollbar {\n width: px2rem(4px);\n height: px2rem(4px);\n }\n\n // Webkit scrollbar thumb\n &::-webkit-scrollbar-thumb {\n background-color: var(--md-default-fg-color--lighter);\n\n // Webkit scrollbar thumb on hover\n &:hover {\n background-color: var(--md-accent-fg-color);\n }\n }\n }\n }\n}\n\n// Search result\n.md-search-result {\n color: var(--md-default-fg-color);\n word-break: break-word;\n\n // Search result metadata\n &__meta {\n padding: 0 px2rem(16px);\n color: var(--md-default-fg-color--light);\n font-size: px2rem(12.8px);\n line-height: px2rem(36px);\n background-color: var(--md-default-fg-color--lightest);\n scroll-snap-align: start;\n\n // [tablet landscape +]: Adjust spacing\n @include break-from-device(tablet landscape) {\n padding-left: px2rem(44px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(44px);\n padding-left: initial;\n }\n }\n }\n\n // Search result list\n &__list {\n margin: 0;\n padding: 0;\n list-style: none;\n }\n\n // Search result item\n &__item {\n box-shadow: 0 px2rem(-1px) 0 var(--md-default-fg-color--lightest);\n\n // Omit border on first child\n &:first-child {\n box-shadow: none;\n }\n }\n\n // Search result link\n &__link {\n display: block;\n outline: none;\n transition: background-color 250ms;\n scroll-snap-align: start;\n\n // Search result link on focus/hover\n &:focus,\n &:hover {\n background-color: var(--md-accent-fg-color--transparent);\n }\n\n // Adjust spacing on last child of last link\n &:last-child p:last-child {\n margin-bottom: px2rem(12px);\n }\n }\n\n // Search result more link\n &__more summary {\n display: block;\n padding: px2em(12px) px2rem(16px);\n color: var(--md-typeset-a-color);\n font-size: px2rem(12.8px);\n outline: none;\n cursor: pointer;\n transition:\n color 250ms,\n background-color 250ms;\n scroll-snap-align: start;\n\n // [tablet landscape +]: Adjust spacing\n @include break-from-device(tablet landscape) {\n padding-left: px2rem(44px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(44px);\n padding-left: px2rem(16px);\n }\n }\n\n // Search result more link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n background-color: var(--md-accent-fg-color--transparent);\n }\n\n // Hide native details marker\n &::marker,\n &::-webkit-details-marker {\n display: none;\n }\n\n // Adjust transparency of less relevant results\n ~ * > * {\n opacity: 0.65;\n }\n }\n\n // Search result article\n &__article {\n position: relative;\n padding: 0 px2rem(16px);\n overflow: hidden;\n\n // [tablet landscape +]: Adjust spacing\n @include break-from-device(tablet landscape) {\n padding-left: px2rem(44px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(44px);\n padding-left: px2rem(16px);\n }\n }\n\n // Search result article document\n &--document {\n\n // Search result title\n .md-search-result__title {\n margin: px2rem(11px) 0;\n font-weight: 400;\n font-size: px2rem(16px);\n line-height: 1.4;\n }\n }\n }\n\n // Search result icon\n &__icon {\n position: absolute;\n left: 0;\n width: px2rem(24px);\n height: px2rem(24px);\n margin: px2rem(10px);\n color: var(--md-default-fg-color--light);\n\n // [tablet portrait -]: Hide icon\n @include break-to-device(tablet portrait) {\n display: none;\n }\n\n // Search result icon content\n &::after {\n display: inline-block;\n width: 100%;\n height: 100%;\n background-color: currentColor;\n mask-image: var(--md-search-result-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: 0;\n left: initial;\n\n // Flip icon vertically\n &::after {\n transform: scaleX(-1);\n }\n }\n }\n\n // Search result title\n &__title {\n margin: 0.5em 0;\n font-weight: 700;\n font-size: px2rem(12.8px);\n line-height: 1.6;\n }\n\n // Search result teaser\n &__teaser {\n display: -webkit-box;\n max-height: px2rem(40px);\n margin: 0.5em 0;\n overflow: hidden;\n color: var(--md-default-fg-color--light);\n font-size: px2rem(12.8px);\n line-height: 1.6;\n text-overflow: ellipsis;\n -webkit-box-orient: vertical;\n -webkit-line-clamp: 2;\n\n // [mobile -]: Adjust number of lines\n @include break-to-device(mobile) {\n max-height: px2rem(60px);\n -webkit-line-clamp: 3;\n }\n\n // [tablet landscape]: Adjust number of lines\n @include break-at-device(tablet landscape) {\n max-height: px2rem(60px);\n -webkit-line-clamp: 3;\n }\n\n // Search term highlighting\n mark {\n text-decoration: underline;\n background-color: transparent;\n }\n }\n\n // Search result terms\n &__terms {\n margin: 0.5em 0;\n font-size: px2rem(12.8px);\n font-style: italic;\n }\n\n // Search term highlighting\n mark {\n color: var(--md-accent-fg-color);\n background-color: transparent;\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Selection\n.md-select {\n position: relative;\n z-index: 1;\n\n // Selection bubble\n &__inner {\n position: absolute;\n top: calc(100% - #{px2rem(4px)});\n left: 50%;\n max-height: 0;\n margin-top: px2rem(4px);\n color: var(--md-default-fg-color);\n background-color: var(--md-default-bg-color);\n border-radius: px2rem(2px);\n box-shadow:\n 0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n 0 0 px2rem(1px) hsla(0, 0%, 0%, 0.25);\n transform: translate3d(-50%, px2rem(6px), 0);\n opacity: 0;\n transition:\n transform 250ms 375ms,\n opacity 250ms 250ms,\n max-height 0ms 500ms;\n\n // Selection bubble on parent focus/hover\n .md-select:focus-within &,\n .md-select:hover & {\n max-height: px2rem(200px);\n transform: translate3d(-50%, 0, 0);\n opacity: 1;\n transition:\n transform 250ms cubic-bezier(0.1, 0.7, 0.1, 1),\n opacity 250ms,\n max-height 0ms;\n }\n\n // Selection bubble handle\n &::after {\n position: absolute;\n top: 0;\n left: 50%;\n width: 0;\n height: 0;\n margin-top: px2rem(-4px);\n margin-left: px2rem(-4px);\n border: px2rem(4px) solid transparent;\n border-top: 0;\n border-bottom-color: var(--md-default-bg-color);\n content: \"\";\n }\n }\n\n // Selection list\n &__list {\n max-height: inherit;\n margin: 0;\n padding: 0;\n overflow: auto;\n font-size: px2rem(16px);\n list-style-type: none;\n border-radius: px2rem(2px);\n }\n\n // Selection item\n &__item {\n line-height: px2rem(36px);\n }\n\n // Selection link\n &__link {\n display: block;\n width: 100%;\n padding-right: px2rem(24px);\n padding-left: px2rem(12px);\n outline: none;\n cursor: pointer;\n transition:\n background-color 250ms,\n color 250ms;\n scroll-snap-align: start;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(12px);\n padding-left: px2rem(24px);\n }\n\n // Link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Link on focus\n &:focus {\n background-color: var(--md-default-fg-color--lightest);\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Sidebar\n.md-sidebar {\n position: sticky;\n top: px2rem(48px);\n flex-shrink: 0;\n align-self: flex-start;\n width: px2rem(242px);\n padding: px2rem(24px) 0;\n\n // [print]: Hide sidebar\n @media print {\n display: none;\n }\n\n // [tablet -]: Show navigation as drawer\n @include break-to-device(tablet) {\n\n // Primary sidebar with navigation\n &--primary {\n position: fixed;\n top: 0;\n left: px2rem(-242px);\n z-index: 4;\n display: block;\n width: px2rem(242px);\n height: 100%;\n background-color: var(--md-default-bg-color);\n transform: translateX(0);\n transition:\n transform 250ms cubic-bezier(0.4, 0, 0.2, 1),\n box-shadow 250ms;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(-242px);\n left: initial;\n }\n\n // Show sidebar when drawer is active\n [data-md-toggle=\"drawer\"]:checked ~ .md-container & {\n @include z-depth(8);\n\n transform: translateX(px2rem(242px));\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n transform: translateX(px2rem(-242px));\n }\n }\n\n // Stretch scroll wrapper for primary sidebar\n .md-sidebar__scrollwrap {\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n margin: 0;\n scroll-snap-type: none;\n overflow: hidden;\n }\n }\n }\n\n // [screen +]: Show navigation as sidebar\n @include break-from-device(screen) {\n height: 0;\n\n // [no-js]: Switch to native sticky behavior\n .no-js & {\n height: auto;\n }\n }\n\n // Secondary sidebar with table of contents\n &--secondary {\n display: none;\n order: 2;\n\n // [tablet landscape +]: Show table of contents as sidebar\n @include break-from-device(tablet landscape) {\n height: 0;\n\n // [no-js]: Switch to native sticky behavior\n .no-js & {\n height: auto;\n }\n\n // Sidebar is visible\n &:not([hidden]) {\n display: block;\n }\n\n // Ensure smooth scrolling on iOS\n .md-sidebar__scrollwrap {\n touch-action: pan-y;\n }\n }\n }\n\n // Sidebar scroll wrapper\n &__scrollwrap {\n margin: 0 px2rem(4px);\n overflow-y: auto;\n // Hack: promote to own layer to reduce jitter\n backface-visibility: hidden;\n // Hack: Chrome 81+ exhibits a strange bug, where it scrolls the container\n // to the bottom if `scroll-snap-type` is set on the initial render. For\n // this reason, we disable scroll snapping until this is resolved (#1667).\n // scroll-snap-type: y mandatory;\n scrollbar-width: thin;\n scrollbar-color: var(--md-default-fg-color--lighter) transparent;\n\n // Sidebar scroll wrapper on hover\n &:hover {\n scrollbar-color: var(--md-accent-fg-color) transparent;\n }\n\n // Webkit scrollbar\n &::-webkit-scrollbar {\n width: px2rem(4px);\n height: px2rem(4px);\n }\n\n // Webkit scrollbar thumb\n &::-webkit-scrollbar-thumb {\n background-color: var(--md-default-fg-color--lighter);\n\n // Webkit scrollbar thumb on hover\n &:hover {\n background-color: var(--md-accent-fg-color);\n }\n }\n }\n}\n\n// [tablet -]: Show overlay on active drawer\n@include break-to-device(tablet) {\n\n // Sidebar overlay\n .md-overlay {\n position: fixed;\n top: 0;\n z-index: 4;\n width: 0;\n height: 0;\n background-color: hsla(0, 0%, 0%, 0.54);\n opacity: 0;\n transition:\n width 0ms 250ms,\n height 0ms 250ms,\n opacity 250ms;\n\n // Show overlay when drawer is active\n [data-md-toggle=\"drawer\"]:checked ~ & {\n width: 100%;\n height: 100%;\n opacity: 1;\n transition:\n width 0ms,\n height 0ms,\n opacity 250ms;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Keyframes\n// ----------------------------------------------------------------------------\n\n// Show repository facts\n@keyframes facts {\n 0% {\n height: 0;\n }\n\n 100% {\n height: px2rem(13px);\n }\n}\n\n// Show repository fact\n@keyframes fact {\n 0% {\n transform: translateY(100%);\n opacity: 0;\n }\n\n 50% {\n opacity: 0;\n }\n\n 100% {\n transform: translateY(0%);\n opacity: 1;\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-source-forks-icon: svg-load(\"octicons/repo-forked-16.svg\");\n --md-source-repositories-icon: svg-load(\"octicons/repo-16.svg\");\n --md-source-stars-icon: svg-load(\"octicons/star-16.svg\");\n --md-source-version-icon: svg-load(\"octicons/tag-16.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Repository information\n.md-source {\n display: block;\n font-size: px2rem(13px);\n line-height: 1.2;\n white-space: nowrap;\n outline-color: var(--md-accent-fg-color);\n // Hack: promote to own layer to reduce jitter\n backface-visibility: hidden;\n transition: opacity 250ms;\n\n // Repository information on hover\n &:hover {\n opacity: 0.7;\n }\n\n // Repository icon\n &__icon {\n display: inline-block;\n width: px2rem(40px);\n height: px2rem(48px);\n vertical-align: middle;\n\n // Align with margin only (as opposed to normal button alignment)\n svg {\n margin-top: px2rem(12px);\n margin-left: px2rem(12px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(12px);\n margin-left: initial;\n }\n }\n\n // Adjust spacing if icon is present\n + .md-source__repository {\n margin-left: px2rem(-40px);\n padding-left: px2rem(40px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(-40px);\n margin-left: initial;\n padding-right: px2rem(40px);\n padding-left: initial;\n }\n }\n }\n\n // Repository name\n &__repository {\n display: inline-block;\n max-width: calc(100% - #{px2rem(24px)});\n margin-left: px2rem(12px);\n overflow: hidden;\n text-overflow: ellipsis;\n vertical-align: middle;\n }\n\n // Repository facts\n &__facts {\n margin: px2rem(2px) 0 0;\n padding: 0;\n overflow: hidden;\n font-size: px2rem(11px);\n list-style-type: none;\n opacity: 0.75;\n\n // Show after the data was loaded\n [data-md-state=\"done\"] & {\n animation: facts 250ms ease-in;\n }\n }\n\n // Repository fact\n &__fact {\n display: inline-block;\n\n // Show after the data was loaded\n [data-md-state=\"done\"] & {\n animation: fact 400ms ease-out;\n }\n\n // Repository fact icon\n &::before {\n display: inline-block;\n width: px2rem(12px);\n height: px2rem(12px);\n margin-right: px2rem(2px);\n vertical-align: text-top;\n background-color: currentColor;\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: initial;\n margin-left: px2rem(2px);\n }\n }\n\n // Adjust spacing for repository fact icon\n &:nth-child(1n+2)::before {\n margin-left: px2rem(8px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(8px);\n margin-left: px2rem(2px);\n }\n }\n\n // Repository fact: version\n &--version::before {\n mask-image: var(--md-source-version-icon);\n }\n\n // Repository fact: stars\n &--stars::before {\n mask-image: var(--md-source-stars-icon);\n }\n\n // Repository fact: forks\n &--forks::before {\n mask-image: var(--md-source-forks-icon);\n }\n\n // Repository fact: repositories\n &--repositories::before {\n mask-image: var(--md-source-repositories-icon);\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Navigation tabs\n.md-tabs {\n width: 100%;\n overflow: auto;\n color: var(--md-primary-bg-color);\n background-color: var(--md-primary-fg-color);\n\n // [print]: Hide tabs\n @media print {\n display: none;\n }\n\n // [tablet -]: Hide tabs\n @include break-to-device(tablet) {\n display: none;\n }\n\n // Tabs in hidden state, i.e. when scrolling down\n &[data-md-state=\"hidden\"] {\n pointer-events: none;\n }\n\n // Navigation tabs list\n &__list {\n margin: 0;\n margin-left: px2rem(4px);\n padding: 0;\n white-space: nowrap;\n list-style: none;\n contain: content;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(4px);\n margin-left: initial;\n }\n }\n\n // Navigation tabs item\n &__item {\n display: inline-block;\n height: px2rem(48px);\n padding-right: px2rem(12px);\n padding-left: px2rem(12px);\n }\n\n // Navigation tabs link - could be defined as block elements and aligned via\n // line height, but this would imply more repaints when scrolling\n &__link {\n display: block;\n margin-top: px2rem(16px);\n font-size: px2rem(14px);\n outline-color: var(--md-accent-fg-color);\n outline-offset: px2rem(4px);\n // Hack: save a repaint when tabs are appearing on scrolling up\n backface-visibility: hidden;\n opacity: 0.7;\n transition:\n transform 400ms cubic-bezier(0.1, 0.7, 0.1, 1),\n opacity 250ms;\n\n // Active link and link on focus/hover\n &--active,\n &:focus,\n &:hover {\n color: inherit;\n opacity: 1;\n }\n\n // Delay transitions by a small amount\n @for $i from 2 through 16 {\n .md-tabs__item:nth-child(#{$i}) & {\n transition-delay: 20ms * ($i - 1);\n }\n }\n\n // Hide tabs upon scrolling - disable transition to minimizes repaints\n // while scrolling down, while scrolling up seems to be okay\n .md-tabs[data-md-state=\"hidden\"] & {\n transform: translateY(50%);\n opacity: 0;\n transition:\n transform 0ms 100ms,\n opacity 100ms;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Back-to-top button\n.md-top {\n position: fixed;\n top: px2rem(48px + 16px);\n z-index: 2;\n margin-left: 50%;\n padding: px2rem(8px) px2rem(16px);\n color: var(--md-default-fg-color--light);\n font-size: px2rem(14px);\n background-color: var(--md-default-bg-color);\n border-radius: px2rem(32px);\n outline: none;\n box-shadow:\n 0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n 0 0 px2rem(1px) hsla(0, 0%, 0%, 0.25);\n transform: translate(-50%, 0);\n transition:\n color 125ms,\n background-color 125ms,\n transform 125ms cubic-bezier(0.4, 0, 0.2, 1),\n opacity 125ms;\n\n // [print]: Hide back-to-top button\n @media print {\n display: none;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: 50%;\n margin-left: initial;\n transform: translate(50%, 0);\n }\n\n // Back-to-top button in hidden state\n &[data-md-state=\"hidden\"] {\n transform: translate(-50%, px2rem(4px));\n opacity: 0;\n transition-duration: 0ms;\n pointer-events: none;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n transform: translate(50%, px2rem(4px));\n }\n }\n\n // Back-to-top button on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-bg-color);\n background-color: var(--md-accent-fg-color);\n }\n\n // Inline icon\n svg {\n display: inline-block;\n vertical-align: -0.5em;\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Keyframes\n// ----------------------------------------------------------------------------\n\n// See https://github.com/squidfunk/mkdocs-material/issues/2429\n@keyframes hoverfix {\n 0% {\n pointer-events: none;\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-version-icon: svg-load(\"fontawesome/solid/caret-down.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Version selection\n.md-version {\n flex-shrink: 0;\n height: px2rem(48px);\n font-size: px2rem(16px);\n\n // Current selection\n &__current {\n position: relative;\n // Hack: in general, we would use `vertical-align` to align the version at\n // the bottom with the title, but since the list uses absolute positioning,\n // this won't work consistently. Furthermore, we would need to use inline\n // positioning to align the links, which looks jagged.\n top: px2rem(1px);\n margin-right: px2rem(8px);\n margin-left: px2rem(28px);\n color: inherit;\n outline: none;\n cursor: pointer;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(28px);\n margin-left: px2rem(8px);\n }\n\n // Version selection icon\n &::after {\n display: inline-block;\n width: px2rem(8px);\n height: px2rem(12px);\n margin-left: px2rem(8px);\n background-color: currentColor;\n mask-image: var(--md-version-icon);\n mask-repeat: no-repeat;\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(8px);\n margin-left: initial;\n }\n }\n }\n\n // Version selection list\n &__list {\n position: absolute;\n top: px2rem(3px);\n z-index: 1;\n max-height: 0;\n margin: px2rem(4px) px2rem(16px);\n padding: 0;\n overflow: auto;\n color: var(--md-default-fg-color);\n list-style-type: none;\n background-color: var(--md-default-bg-color);\n border-radius: px2rem(2px);\n box-shadow:\n 0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),\n 0 0 px2rem(1px) hsla(0, 0%, 0%, 0.25);\n opacity: 0;\n transition:\n max-height 0ms 500ms,\n opacity 250ms 250ms;\n scroll-snap-type: y mandatory;\n\n // Version selection list on parent focus/hover\n .md-version:focus-within &,\n .md-version:hover & {\n max-height: px2rem(200px);\n opacity: 1;\n transition:\n max-height 0ms,\n opacity 250ms;\n }\n\n // Fix hover on touch devices\n @media (pointer: coarse) {\n\n // Switch off on hover\n .md-version:hover & {\n animation: hoverfix 250ms forwards;\n }\n\n // Enable on focus\n .md-version:focus-within & {\n animation: none;\n }\n }\n }\n\n // Version selection item\n &__item {\n line-height: px2rem(36px);\n }\n\n // Version selection link\n &__link {\n display: block;\n width: 100%;\n padding-right: px2rem(24px);\n padding-left: px2rem(12px);\n white-space: nowrap;\n outline: none;\n cursor: pointer;\n transition:\n color 250ms,\n background-color 250ms;\n scroll-snap-align: start;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(12px);\n padding-left: px2rem(24px);\n }\n\n // Link on focus/hover\n &:focus,\n &:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Link on focus\n &:focus {\n background-color: var(--md-default-fg-color--lightest);\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n@use \"sass:color\";\n@use \"sass:list\";\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n/// Admonition flavours\n$admonitions: (\n note: pencil $clr-blue-a200,\n abstract summary tldr: clipboard-text $clr-light-blue-a400,\n info todo: information $clr-cyan-a700,\n tip hint important: fire $clr-teal-a700,\n success check done: check-bold $clr-green-a700,\n question help faq: help-circle $clr-light-green-a700,\n warning caution attention: alert $clr-orange-a400,\n failure fail missing: close-thick $clr-red-a200,\n danger error: lightning-bolt $clr-red-a400,\n bug: bug $clr-pink-a400,\n example: format-list-numbered $clr-deep-purple-a200,\n quote cite: format-quote-close $clr-grey\n) !default;\n\n// ----------------------------------------------------------------------------\n// Rules: layout\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n @each $names, $props in $admonitions {\n --md-admonition-icon--#{nth($names, 1)}:\n svg-load(\"material/#{nth($props, 1)}.svg\");\n }\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Admonition\n .admonition {\n margin: px2em(20px, 12.8px) 0;\n padding: 0 px2rem(12px);\n overflow: hidden;\n color: var(--md-admonition-fg-color);\n font-size: px2rem(12.8px);\n page-break-inside: avoid;\n background-color: var(--md-admonition-bg-color);\n border-left: px2rem(4px) solid $clr-blue-a200;\n border-radius: px2rem(2px);\n box-shadow:\n 0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.05),\n 0 px2rem(0.5px) px2rem(1px) hsla(0, 0%, 0%, 0.05);\n\n // [print]: Omit shadow as it may lead to rendering errors\n @media print {\n box-shadow: none;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n border-right: px2rem(4px) solid $clr-blue-a200;\n border-left: none;\n }\n\n // Adjust vertical spacing for nested admonitions\n .admonition {\n margin-top: 1em;\n margin-bottom: 1em;\n }\n\n // Adjust spacing for contained table wrappers\n .md-typeset__scrollwrap {\n margin: 1em px2rem(-12px);\n }\n\n // Adjust spacing for contained tables\n .md-typeset__table {\n padding: 0 px2rem(12px);\n }\n\n // Adjust spacing for single-child tabbed block container\n > .tabbed-set:only-child {\n margin-top: 0;\n }\n\n // Adjust spacing on last child\n html & > :last-child {\n margin-bottom: px2rem(12px);\n }\n }\n\n // Admonition title\n .admonition-title {\n position: relative;\n margin: 0 px2rem(-12px) 0 px2rem(-16px);\n padding: px2rem(8px) px2rem(12px) px2rem(8px) px2rem(40px);\n font-weight: 700;\n background-color: color.adjust($clr-blue-a200, $alpha: -0.9);\n border-left: px2rem(4px) solid $clr-blue-a200;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin: 0 px2rem(-16px) 0 px2rem(-12px);\n padding: px2rem(8px) px2rem(40px) px2rem(8px) px2rem(12px);\n border-right: px2rem(4px) solid $clr-blue-a200;\n border-left: none;\n }\n\n // Adjust spacing for title-only admonitions\n html &:last-child {\n margin-bottom: 0;\n }\n\n // Admonition icon\n &::before {\n position: absolute;\n left: px2rem(12px);\n width: px2rem(20px);\n height: px2rem(20px);\n background-color: $clr-blue-a200;\n mask-image: var(--md-admonition-icon--note);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2rem(12px);\n left: initial;\n }\n }\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: flavours\n// ----------------------------------------------------------------------------\n\n@each $names, $props in $admonitions {\n $name: list.nth($names, 1);\n $tint: list.nth($props, 2);\n\n // Admonition flavour\n .md-typeset .admonition.#{$name} {\n border-color: $tint;\n }\n\n // Admonition flavour title\n .md-typeset .#{$name} > .admonition-title {\n background-color: color.adjust($tint, $alpha: -0.9);\n border-color: $tint;\n\n // Admonition icon\n &::before {\n background-color: $tint;\n mask-image: var(--md-admonition-icon--#{$name});\n mask-repeat: no-repeat;\n mask-size: contain;\n }\n }\n\n // Define synonyms for flavours\n @if length($names) > 1 {\n @for $n from 2 through length($names) {\n .#{nth($names, $n)} {\n @extend .#{$name};\n }\n }\n }\n}\n","// ==========================================================================\n//\n// Name: UI Color Palette\n// Description: The color palette of material design.\n// Version: 2.3.1\n//\n// Author: Denis Malinochkin\n// Git: https://github.com/mrmlnc/material-color\n//\n// twitter: @mrmlnc\n//\n// ==========================================================================\n\n\n//\n// List of base colors\n//\n\n// $clr-red\n// $clr-pink\n// $clr-purple\n// $clr-deep-purple\n// $clr-indigo\n// $clr-blue\n// $clr-light-blue\n// $clr-cyan\n// $clr-teal\n// $clr-green\n// $clr-light-green\n// $clr-lime\n// $clr-yellow\n// $clr-amber\n// $clr-orange\n// $clr-deep-orange\n// $clr-brown\n// $clr-grey\n// $clr-blue-grey\n// $clr-black\n// $clr-white\n\n\n//\n// Red\n//\n\n$clr-red-list: (\n \"base\": #f44336,\n \"50\": #ffebee,\n \"100\": #ffcdd2,\n \"200\": #ef9a9a,\n \"300\": #e57373,\n \"400\": #ef5350,\n \"500\": #f44336,\n \"600\": #e53935,\n \"700\": #d32f2f,\n \"800\": #c62828,\n \"900\": #b71c1c,\n \"a100\": #ff8a80,\n \"a200\": #ff5252,\n \"a400\": #ff1744,\n \"a700\": #d50000\n);\n\n$clr-red: map-get($clr-red-list, \"base\");\n\n$clr-red-50: map-get($clr-red-list, \"50\");\n$clr-red-100: map-get($clr-red-list, \"100\");\n$clr-red-200: map-get($clr-red-list, \"200\");\n$clr-red-300: map-get($clr-red-list, \"300\");\n$clr-red-400: map-get($clr-red-list, \"400\");\n$clr-red-500: map-get($clr-red-list, \"500\");\n$clr-red-600: map-get($clr-red-list, \"600\");\n$clr-red-700: map-get($clr-red-list, \"700\");\n$clr-red-800: map-get($clr-red-list, \"800\");\n$clr-red-900: map-get($clr-red-list, \"900\");\n$clr-red-a100: map-get($clr-red-list, \"a100\");\n$clr-red-a200: map-get($clr-red-list, \"a200\");\n$clr-red-a400: map-get($clr-red-list, \"a400\");\n$clr-red-a700: map-get($clr-red-list, \"a700\");\n\n\n//\n// Pink\n//\n\n$clr-pink-list: (\n \"base\": #e91e63,\n \"50\": #fce4ec,\n \"100\": #f8bbd0,\n \"200\": #f48fb1,\n \"300\": #f06292,\n \"400\": #ec407a,\n \"500\": #e91e63,\n \"600\": #d81b60,\n \"700\": #c2185b,\n \"800\": #ad1457,\n \"900\": #880e4f,\n \"a100\": #ff80ab,\n \"a200\": #ff4081,\n \"a400\": #f50057,\n \"a700\": #c51162\n);\n\n$clr-pink: map-get($clr-pink-list, \"base\");\n\n$clr-pink-50: map-get($clr-pink-list, \"50\");\n$clr-pink-100: map-get($clr-pink-list, \"100\");\n$clr-pink-200: map-get($clr-pink-list, \"200\");\n$clr-pink-300: map-get($clr-pink-list, \"300\");\n$clr-pink-400: map-get($clr-pink-list, \"400\");\n$clr-pink-500: map-get($clr-pink-list, \"500\");\n$clr-pink-600: map-get($clr-pink-list, \"600\");\n$clr-pink-700: map-get($clr-pink-list, \"700\");\n$clr-pink-800: map-get($clr-pink-list, \"800\");\n$clr-pink-900: map-get($clr-pink-list, \"900\");\n$clr-pink-a100: map-get($clr-pink-list, \"a100\");\n$clr-pink-a200: map-get($clr-pink-list, \"a200\");\n$clr-pink-a400: map-get($clr-pink-list, \"a400\");\n$clr-pink-a700: map-get($clr-pink-list, \"a700\");\n\n\n//\n// Purple\n//\n\n$clr-purple-list: (\n \"base\": #9c27b0,\n \"50\": #f3e5f5,\n \"100\": #e1bee7,\n \"200\": #ce93d8,\n \"300\": #ba68c8,\n \"400\": #ab47bc,\n \"500\": #9c27b0,\n \"600\": #8e24aa,\n \"700\": #7b1fa2,\n \"800\": #6a1b9a,\n \"900\": #4a148c,\n \"a100\": #ea80fc,\n \"a200\": #e040fb,\n \"a400\": #d500f9,\n \"a700\": #aa00ff\n);\n\n$clr-purple: map-get($clr-purple-list, \"base\");\n\n$clr-purple-50: map-get($clr-purple-list, \"50\");\n$clr-purple-100: map-get($clr-purple-list, \"100\");\n$clr-purple-200: map-get($clr-purple-list, \"200\");\n$clr-purple-300: map-get($clr-purple-list, \"300\");\n$clr-purple-400: map-get($clr-purple-list, \"400\");\n$clr-purple-500: map-get($clr-purple-list, \"500\");\n$clr-purple-600: map-get($clr-purple-list, \"600\");\n$clr-purple-700: map-get($clr-purple-list, \"700\");\n$clr-purple-800: map-get($clr-purple-list, \"800\");\n$clr-purple-900: map-get($clr-purple-list, \"900\");\n$clr-purple-a100: map-get($clr-purple-list, \"a100\");\n$clr-purple-a200: map-get($clr-purple-list, \"a200\");\n$clr-purple-a400: map-get($clr-purple-list, \"a400\");\n$clr-purple-a700: map-get($clr-purple-list, \"a700\");\n\n\n//\n// Deep purple\n//\n\n$clr-deep-purple-list: (\n \"base\": #673ab7,\n \"50\": #ede7f6,\n \"100\": #d1c4e9,\n \"200\": #b39ddb,\n \"300\": #9575cd,\n \"400\": #7e57c2,\n \"500\": #673ab7,\n \"600\": #5e35b1,\n \"700\": #512da8,\n \"800\": #4527a0,\n \"900\": #311b92,\n \"a100\": #b388ff,\n \"a200\": #7c4dff,\n \"a400\": #651fff,\n \"a700\": #6200ea\n);\n\n$clr-deep-purple: map-get($clr-deep-purple-list, \"base\");\n\n$clr-deep-purple-50: map-get($clr-deep-purple-list, \"50\");\n$clr-deep-purple-100: map-get($clr-deep-purple-list, \"100\");\n$clr-deep-purple-200: map-get($clr-deep-purple-list, \"200\");\n$clr-deep-purple-300: map-get($clr-deep-purple-list, \"300\");\n$clr-deep-purple-400: map-get($clr-deep-purple-list, \"400\");\n$clr-deep-purple-500: map-get($clr-deep-purple-list, \"500\");\n$clr-deep-purple-600: map-get($clr-deep-purple-list, \"600\");\n$clr-deep-purple-700: map-get($clr-deep-purple-list, \"700\");\n$clr-deep-purple-800: map-get($clr-deep-purple-list, \"800\");\n$clr-deep-purple-900: map-get($clr-deep-purple-list, \"900\");\n$clr-deep-purple-a100: map-get($clr-deep-purple-list, \"a100\");\n$clr-deep-purple-a200: map-get($clr-deep-purple-list, \"a200\");\n$clr-deep-purple-a400: map-get($clr-deep-purple-list, \"a400\");\n$clr-deep-purple-a700: map-get($clr-deep-purple-list, \"a700\");\n\n\n//\n// Indigo\n//\n\n$clr-indigo-list: (\n \"base\": #3f51b5,\n \"50\": #e8eaf6,\n \"100\": #c5cae9,\n \"200\": #9fa8da,\n \"300\": #7986cb,\n \"400\": #5c6bc0,\n \"500\": #3f51b5,\n \"600\": #3949ab,\n \"700\": #303f9f,\n \"800\": #283593,\n \"900\": #1a237e,\n \"a100\": #8c9eff,\n \"a200\": #536dfe,\n \"a400\": #3d5afe,\n \"a700\": #304ffe\n);\n\n$clr-indigo: map-get($clr-indigo-list, \"base\");\n\n$clr-indigo-50: map-get($clr-indigo-list, \"50\");\n$clr-indigo-100: map-get($clr-indigo-list, \"100\");\n$clr-indigo-200: map-get($clr-indigo-list, \"200\");\n$clr-indigo-300: map-get($clr-indigo-list, \"300\");\n$clr-indigo-400: map-get($clr-indigo-list, \"400\");\n$clr-indigo-500: map-get($clr-indigo-list, \"500\");\n$clr-indigo-600: map-get($clr-indigo-list, \"600\");\n$clr-indigo-700: map-get($clr-indigo-list, \"700\");\n$clr-indigo-800: map-get($clr-indigo-list, \"800\");\n$clr-indigo-900: map-get($clr-indigo-list, \"900\");\n$clr-indigo-a100: map-get($clr-indigo-list, \"a100\");\n$clr-indigo-a200: map-get($clr-indigo-list, \"a200\");\n$clr-indigo-a400: map-get($clr-indigo-list, \"a400\");\n$clr-indigo-a700: map-get($clr-indigo-list, \"a700\");\n\n\n//\n// Blue\n//\n\n$clr-blue-list: (\n \"base\": #2196f3,\n \"50\": #e3f2fd,\n \"100\": #bbdefb,\n \"200\": #90caf9,\n \"300\": #64b5f6,\n \"400\": #42a5f5,\n \"500\": #2196f3,\n \"600\": #1e88e5,\n \"700\": #1976d2,\n \"800\": #1565c0,\n \"900\": #0d47a1,\n \"a100\": #82b1ff,\n \"a200\": #448aff,\n \"a400\": #2979ff,\n \"a700\": #2962ff\n);\n\n$clr-blue: map-get($clr-blue-list, \"base\");\n\n$clr-blue-50: map-get($clr-blue-list, \"50\");\n$clr-blue-100: map-get($clr-blue-list, \"100\");\n$clr-blue-200: map-get($clr-blue-list, \"200\");\n$clr-blue-300: map-get($clr-blue-list, \"300\");\n$clr-blue-400: map-get($clr-blue-list, \"400\");\n$clr-blue-500: map-get($clr-blue-list, \"500\");\n$clr-blue-600: map-get($clr-blue-list, \"600\");\n$clr-blue-700: map-get($clr-blue-list, \"700\");\n$clr-blue-800: map-get($clr-blue-list, \"800\");\n$clr-blue-900: map-get($clr-blue-list, \"900\");\n$clr-blue-a100: map-get($clr-blue-list, \"a100\");\n$clr-blue-a200: map-get($clr-blue-list, \"a200\");\n$clr-blue-a400: map-get($clr-blue-list, \"a400\");\n$clr-blue-a700: map-get($clr-blue-list, \"a700\");\n\n\n//\n// Light Blue\n//\n\n$clr-light-blue-list: (\n \"base\": #03a9f4,\n \"50\": #e1f5fe,\n \"100\": #b3e5fc,\n \"200\": #81d4fa,\n \"300\": #4fc3f7,\n \"400\": #29b6f6,\n \"500\": #03a9f4,\n \"600\": #039be5,\n \"700\": #0288d1,\n \"800\": #0277bd,\n \"900\": #01579b,\n \"a100\": #80d8ff,\n \"a200\": #40c4ff,\n \"a400\": #00b0ff,\n \"a700\": #0091ea\n);\n\n$clr-light-blue: map-get($clr-light-blue-list, \"base\");\n\n$clr-light-blue-50: map-get($clr-light-blue-list, \"50\");\n$clr-light-blue-100: map-get($clr-light-blue-list, \"100\");\n$clr-light-blue-200: map-get($clr-light-blue-list, \"200\");\n$clr-light-blue-300: map-get($clr-light-blue-list, \"300\");\n$clr-light-blue-400: map-get($clr-light-blue-list, \"400\");\n$clr-light-blue-500: map-get($clr-light-blue-list, \"500\");\n$clr-light-blue-600: map-get($clr-light-blue-list, \"600\");\n$clr-light-blue-700: map-get($clr-light-blue-list, \"700\");\n$clr-light-blue-800: map-get($clr-light-blue-list, \"800\");\n$clr-light-blue-900: map-get($clr-light-blue-list, \"900\");\n$clr-light-blue-a100: map-get($clr-light-blue-list, \"a100\");\n$clr-light-blue-a200: map-get($clr-light-blue-list, \"a200\");\n$clr-light-blue-a400: map-get($clr-light-blue-list, \"a400\");\n$clr-light-blue-a700: map-get($clr-light-blue-list, \"a700\");\n\n\n//\n// Cyan\n//\n\n$clr-cyan-list: (\n \"base\": #00bcd4,\n \"50\": #e0f7fa,\n \"100\": #b2ebf2,\n \"200\": #80deea,\n \"300\": #4dd0e1,\n \"400\": #26c6da,\n \"500\": #00bcd4,\n \"600\": #00acc1,\n \"700\": #0097a7,\n \"800\": #00838f,\n \"900\": #006064,\n \"a100\": #84ffff,\n \"a200\": #18ffff,\n \"a400\": #00e5ff,\n \"a700\": #00b8d4\n);\n\n$clr-cyan: map-get($clr-cyan-list, \"base\");\n\n$clr-cyan-50: map-get($clr-cyan-list, \"50\");\n$clr-cyan-100: map-get($clr-cyan-list, \"100\");\n$clr-cyan-200: map-get($clr-cyan-list, \"200\");\n$clr-cyan-300: map-get($clr-cyan-list, \"300\");\n$clr-cyan-400: map-get($clr-cyan-list, \"400\");\n$clr-cyan-500: map-get($clr-cyan-list, \"500\");\n$clr-cyan-600: map-get($clr-cyan-list, \"600\");\n$clr-cyan-700: map-get($clr-cyan-list, \"700\");\n$clr-cyan-800: map-get($clr-cyan-list, \"800\");\n$clr-cyan-900: map-get($clr-cyan-list, \"900\");\n$clr-cyan-a100: map-get($clr-cyan-list, \"a100\");\n$clr-cyan-a200: map-get($clr-cyan-list, \"a200\");\n$clr-cyan-a400: map-get($clr-cyan-list, \"a400\");\n$clr-cyan-a700: map-get($clr-cyan-list, \"a700\");\n\n\n//\n// Teal\n//\n\n$clr-teal-list: (\n \"base\": #009688,\n \"50\": #e0f2f1,\n \"100\": #b2dfdb,\n \"200\": #80cbc4,\n \"300\": #4db6ac,\n \"400\": #26a69a,\n \"500\": #009688,\n \"600\": #00897b,\n \"700\": #00796b,\n \"800\": #00695c,\n \"900\": #004d40,\n \"a100\": #a7ffeb,\n \"a200\": #64ffda,\n \"a400\": #1de9b6,\n \"a700\": #00bfa5\n);\n\n$clr-teal: map-get($clr-teal-list, \"base\");\n\n$clr-teal-50: map-get($clr-teal-list, \"50\");\n$clr-teal-100: map-get($clr-teal-list, \"100\");\n$clr-teal-200: map-get($clr-teal-list, \"200\");\n$clr-teal-300: map-get($clr-teal-list, \"300\");\n$clr-teal-400: map-get($clr-teal-list, \"400\");\n$clr-teal-500: map-get($clr-teal-list, \"500\");\n$clr-teal-600: map-get($clr-teal-list, \"600\");\n$clr-teal-700: map-get($clr-teal-list, \"700\");\n$clr-teal-800: map-get($clr-teal-list, \"800\");\n$clr-teal-900: map-get($clr-teal-list, \"900\");\n$clr-teal-a100: map-get($clr-teal-list, \"a100\");\n$clr-teal-a200: map-get($clr-teal-list, \"a200\");\n$clr-teal-a400: map-get($clr-teal-list, \"a400\");\n$clr-teal-a700: map-get($clr-teal-list, \"a700\");\n\n\n//\n// Green\n//\n\n$clr-green-list: (\n \"base\": #4caf50,\n \"50\": #e8f5e9,\n \"100\": #c8e6c9,\n \"200\": #a5d6a7,\n \"300\": #81c784,\n \"400\": #66bb6a,\n \"500\": #4caf50,\n \"600\": #43a047,\n \"700\": #388e3c,\n \"800\": #2e7d32,\n \"900\": #1b5e20,\n \"a100\": #b9f6ca,\n \"a200\": #69f0ae,\n \"a400\": #00e676,\n \"a700\": #00c853\n);\n\n$clr-green: map-get($clr-green-list, \"base\");\n\n$clr-green-50: map-get($clr-green-list, \"50\");\n$clr-green-100: map-get($clr-green-list, \"100\");\n$clr-green-200: map-get($clr-green-list, \"200\");\n$clr-green-300: map-get($clr-green-list, \"300\");\n$clr-green-400: map-get($clr-green-list, \"400\");\n$clr-green-500: map-get($clr-green-list, \"500\");\n$clr-green-600: map-get($clr-green-list, \"600\");\n$clr-green-700: map-get($clr-green-list, \"700\");\n$clr-green-800: map-get($clr-green-list, \"800\");\n$clr-green-900: map-get($clr-green-list, \"900\");\n$clr-green-a100: map-get($clr-green-list, \"a100\");\n$clr-green-a200: map-get($clr-green-list, \"a200\");\n$clr-green-a400: map-get($clr-green-list, \"a400\");\n$clr-green-a700: map-get($clr-green-list, \"a700\");\n\n\n//\n// Light green\n//\n\n$clr-light-green-list: (\n \"base\": #8bc34a,\n \"50\": #f1f8e9,\n \"100\": #dcedc8,\n \"200\": #c5e1a5,\n \"300\": #aed581,\n \"400\": #9ccc65,\n \"500\": #8bc34a,\n \"600\": #7cb342,\n \"700\": #689f38,\n \"800\": #558b2f,\n \"900\": #33691e,\n \"a100\": #ccff90,\n \"a200\": #b2ff59,\n \"a400\": #76ff03,\n \"a700\": #64dd17\n);\n\n$clr-light-green: map-get($clr-light-green-list, \"base\");\n\n$clr-light-green-50: map-get($clr-light-green-list, \"50\");\n$clr-light-green-100: map-get($clr-light-green-list, \"100\");\n$clr-light-green-200: map-get($clr-light-green-list, \"200\");\n$clr-light-green-300: map-get($clr-light-green-list, \"300\");\n$clr-light-green-400: map-get($clr-light-green-list, \"400\");\n$clr-light-green-500: map-get($clr-light-green-list, \"500\");\n$clr-light-green-600: map-get($clr-light-green-list, \"600\");\n$clr-light-green-700: map-get($clr-light-green-list, \"700\");\n$clr-light-green-800: map-get($clr-light-green-list, \"800\");\n$clr-light-green-900: map-get($clr-light-green-list, \"900\");\n$clr-light-green-a100: map-get($clr-light-green-list, \"a100\");\n$clr-light-green-a200: map-get($clr-light-green-list, \"a200\");\n$clr-light-green-a400: map-get($clr-light-green-list, \"a400\");\n$clr-light-green-a700: map-get($clr-light-green-list, \"a700\");\n\n\n//\n// Lime\n//\n\n$clr-lime-list: (\n \"base\": #cddc39,\n \"50\": #f9fbe7,\n \"100\": #f0f4c3,\n \"200\": #e6ee9c,\n \"300\": #dce775,\n \"400\": #d4e157,\n \"500\": #cddc39,\n \"600\": #c0ca33,\n \"700\": #afb42b,\n \"800\": #9e9d24,\n \"900\": #827717,\n \"a100\": #f4ff81,\n \"a200\": #eeff41,\n \"a400\": #c6ff00,\n \"a700\": #aeea00\n);\n\n$clr-lime: map-get($clr-lime-list, \"base\");\n\n$clr-lime-50: map-get($clr-lime-list, \"50\");\n$clr-lime-100: map-get($clr-lime-list, \"100\");\n$clr-lime-200: map-get($clr-lime-list, \"200\");\n$clr-lime-300: map-get($clr-lime-list, \"300\");\n$clr-lime-400: map-get($clr-lime-list, \"400\");\n$clr-lime-500: map-get($clr-lime-list, \"500\");\n$clr-lime-600: map-get($clr-lime-list, \"600\");\n$clr-lime-700: map-get($clr-lime-list, \"700\");\n$clr-lime-800: map-get($clr-lime-list, \"800\");\n$clr-lime-900: map-get($clr-lime-list, \"900\");\n$clr-lime-a100: map-get($clr-lime-list, \"a100\");\n$clr-lime-a200: map-get($clr-lime-list, \"a200\");\n$clr-lime-a400: map-get($clr-lime-list, \"a400\");\n$clr-lime-a700: map-get($clr-lime-list, \"a700\");\n\n\n//\n// Yellow\n//\n\n$clr-yellow-list: (\n \"base\": #ffeb3b,\n \"50\": #fffde7,\n \"100\": #fff9c4,\n \"200\": #fff59d,\n \"300\": #fff176,\n \"400\": #ffee58,\n \"500\": #ffeb3b,\n \"600\": #fdd835,\n \"700\": #fbc02d,\n \"800\": #f9a825,\n \"900\": #f57f17,\n \"a100\": #ffff8d,\n \"a200\": #ffff00,\n \"a400\": #ffea00,\n \"a700\": #ffd600\n);\n\n$clr-yellow: map-get($clr-yellow-list, \"base\");\n\n$clr-yellow-50: map-get($clr-yellow-list, \"50\");\n$clr-yellow-100: map-get($clr-yellow-list, \"100\");\n$clr-yellow-200: map-get($clr-yellow-list, \"200\");\n$clr-yellow-300: map-get($clr-yellow-list, \"300\");\n$clr-yellow-400: map-get($clr-yellow-list, \"400\");\n$clr-yellow-500: map-get($clr-yellow-list, \"500\");\n$clr-yellow-600: map-get($clr-yellow-list, \"600\");\n$clr-yellow-700: map-get($clr-yellow-list, \"700\");\n$clr-yellow-800: map-get($clr-yellow-list, \"800\");\n$clr-yellow-900: map-get($clr-yellow-list, \"900\");\n$clr-yellow-a100: map-get($clr-yellow-list, \"a100\");\n$clr-yellow-a200: map-get($clr-yellow-list, \"a200\");\n$clr-yellow-a400: map-get($clr-yellow-list, \"a400\");\n$clr-yellow-a700: map-get($clr-yellow-list, \"a700\");\n\n\n//\n// amber\n//\n\n$clr-amber-list: (\n \"base\": #ffc107,\n \"50\": #fff8e1,\n \"100\": #ffecb3,\n \"200\": #ffe082,\n \"300\": #ffd54f,\n \"400\": #ffca28,\n \"500\": #ffc107,\n \"600\": #ffb300,\n \"700\": #ffa000,\n \"800\": #ff8f00,\n \"900\": #ff6f00,\n \"a100\": #ffe57f,\n \"a200\": #ffd740,\n \"a400\": #ffc400,\n \"a700\": #ffab00\n);\n\n$clr-amber: map-get($clr-amber-list, \"base\");\n\n$clr-amber-50: map-get($clr-amber-list, \"50\");\n$clr-amber-100: map-get($clr-amber-list, \"100\");\n$clr-amber-200: map-get($clr-amber-list, \"200\");\n$clr-amber-300: map-get($clr-amber-list, \"300\");\n$clr-amber-400: map-get($clr-amber-list, \"400\");\n$clr-amber-500: map-get($clr-amber-list, \"500\");\n$clr-amber-600: map-get($clr-amber-list, \"600\");\n$clr-amber-700: map-get($clr-amber-list, \"700\");\n$clr-amber-800: map-get($clr-amber-list, \"800\");\n$clr-amber-900: map-get($clr-amber-list, \"900\");\n$clr-amber-a100: map-get($clr-amber-list, \"a100\");\n$clr-amber-a200: map-get($clr-amber-list, \"a200\");\n$clr-amber-a400: map-get($clr-amber-list, \"a400\");\n$clr-amber-a700: map-get($clr-amber-list, \"a700\");\n\n\n//\n// Orange\n//\n\n$clr-orange-list: (\n \"base\": #ff9800,\n \"50\": #fff3e0,\n \"100\": #ffe0b2,\n \"200\": #ffcc80,\n \"300\": #ffb74d,\n \"400\": #ffa726,\n \"500\": #ff9800,\n \"600\": #fb8c00,\n \"700\": #f57c00,\n \"800\": #ef6c00,\n \"900\": #e65100,\n \"a100\": #ffd180,\n \"a200\": #ffab40,\n \"a400\": #ff9100,\n \"a700\": #ff6d00\n);\n\n$clr-orange: map-get($clr-orange-list, \"base\");\n\n$clr-orange-50: map-get($clr-orange-list, \"50\");\n$clr-orange-100: map-get($clr-orange-list, \"100\");\n$clr-orange-200: map-get($clr-orange-list, \"200\");\n$clr-orange-300: map-get($clr-orange-list, \"300\");\n$clr-orange-400: map-get($clr-orange-list, \"400\");\n$clr-orange-500: map-get($clr-orange-list, \"500\");\n$clr-orange-600: map-get($clr-orange-list, \"600\");\n$clr-orange-700: map-get($clr-orange-list, \"700\");\n$clr-orange-800: map-get($clr-orange-list, \"800\");\n$clr-orange-900: map-get($clr-orange-list, \"900\");\n$clr-orange-a100: map-get($clr-orange-list, \"a100\");\n$clr-orange-a200: map-get($clr-orange-list, \"a200\");\n$clr-orange-a400: map-get($clr-orange-list, \"a400\");\n$clr-orange-a700: map-get($clr-orange-list, \"a700\");\n\n\n//\n// Deep orange\n//\n\n$clr-deep-orange-list: (\n \"base\": #ff5722,\n \"50\": #fbe9e7,\n \"100\": #ffccbc,\n \"200\": #ffab91,\n \"300\": #ff8a65,\n \"400\": #ff7043,\n \"500\": #ff5722,\n \"600\": #f4511e,\n \"700\": #e64a19,\n \"800\": #d84315,\n \"900\": #bf360c,\n \"a100\": #ff9e80,\n \"a200\": #ff6e40,\n \"a400\": #ff3d00,\n \"a700\": #dd2c00\n);\n\n$clr-deep-orange: map-get($clr-deep-orange-list, \"base\");\n\n$clr-deep-orange-50: map-get($clr-deep-orange-list, \"50\");\n$clr-deep-orange-100: map-get($clr-deep-orange-list, \"100\");\n$clr-deep-orange-200: map-get($clr-deep-orange-list, \"200\");\n$clr-deep-orange-300: map-get($clr-deep-orange-list, \"300\");\n$clr-deep-orange-400: map-get($clr-deep-orange-list, \"400\");\n$clr-deep-orange-500: map-get($clr-deep-orange-list, \"500\");\n$clr-deep-orange-600: map-get($clr-deep-orange-list, \"600\");\n$clr-deep-orange-700: map-get($clr-deep-orange-list, \"700\");\n$clr-deep-orange-800: map-get($clr-deep-orange-list, \"800\");\n$clr-deep-orange-900: map-get($clr-deep-orange-list, \"900\");\n$clr-deep-orange-a100: map-get($clr-deep-orange-list, \"a100\");\n$clr-deep-orange-a200: map-get($clr-deep-orange-list, \"a200\");\n$clr-deep-orange-a400: map-get($clr-deep-orange-list, \"a400\");\n$clr-deep-orange-a700: map-get($clr-deep-orange-list, \"a700\");\n\n\n//\n// Brown\n//\n\n$clr-brown-list: (\n \"base\": #795548,\n \"50\": #efebe9,\n \"100\": #d7ccc8,\n \"200\": #bcaaa4,\n \"300\": #a1887f,\n \"400\": #8d6e63,\n \"500\": #795548,\n \"600\": #6d4c41,\n \"700\": #5d4037,\n \"800\": #4e342e,\n \"900\": #3e2723,\n);\n\n$clr-brown: map-get($clr-brown-list, \"base\");\n\n$clr-brown-50: map-get($clr-brown-list, \"50\");\n$clr-brown-100: map-get($clr-brown-list, \"100\");\n$clr-brown-200: map-get($clr-brown-list, \"200\");\n$clr-brown-300: map-get($clr-brown-list, \"300\");\n$clr-brown-400: map-get($clr-brown-list, \"400\");\n$clr-brown-500: map-get($clr-brown-list, \"500\");\n$clr-brown-600: map-get($clr-brown-list, \"600\");\n$clr-brown-700: map-get($clr-brown-list, \"700\");\n$clr-brown-800: map-get($clr-brown-list, \"800\");\n$clr-brown-900: map-get($clr-brown-list, \"900\");\n\n\n//\n// Grey\n//\n\n$clr-grey-list: (\n \"base\": #9e9e9e,\n \"50\": #fafafa,\n \"100\": #f5f5f5,\n \"200\": #eeeeee,\n \"300\": #e0e0e0,\n \"400\": #bdbdbd,\n \"500\": #9e9e9e,\n \"600\": #757575,\n \"700\": #616161,\n \"800\": #424242,\n \"900\": #212121,\n);\n\n$clr-grey: map-get($clr-grey-list, \"base\");\n\n$clr-grey-50: map-get($clr-grey-list, \"50\");\n$clr-grey-100: map-get($clr-grey-list, \"100\");\n$clr-grey-200: map-get($clr-grey-list, \"200\");\n$clr-grey-300: map-get($clr-grey-list, \"300\");\n$clr-grey-400: map-get($clr-grey-list, \"400\");\n$clr-grey-500: map-get($clr-grey-list, \"500\");\n$clr-grey-600: map-get($clr-grey-list, \"600\");\n$clr-grey-700: map-get($clr-grey-list, \"700\");\n$clr-grey-800: map-get($clr-grey-list, \"800\");\n$clr-grey-900: map-get($clr-grey-list, \"900\");\n\n\n//\n// Blue grey\n//\n\n$clr-blue-grey-list: (\n \"base\": #607d8b,\n \"50\": #eceff1,\n \"100\": #cfd8dc,\n \"200\": #b0bec5,\n \"300\": #90a4ae,\n \"400\": #78909c,\n \"500\": #607d8b,\n \"600\": #546e7a,\n \"700\": #455a64,\n \"800\": #37474f,\n \"900\": #263238,\n);\n\n$clr-blue-grey: map-get($clr-blue-grey-list, \"base\");\n\n$clr-blue-grey-50: map-get($clr-blue-grey-list, \"50\");\n$clr-blue-grey-100: map-get($clr-blue-grey-list, \"100\");\n$clr-blue-grey-200: map-get($clr-blue-grey-list, \"200\");\n$clr-blue-grey-300: map-get($clr-blue-grey-list, \"300\");\n$clr-blue-grey-400: map-get($clr-blue-grey-list, \"400\");\n$clr-blue-grey-500: map-get($clr-blue-grey-list, \"500\");\n$clr-blue-grey-600: map-get($clr-blue-grey-list, \"600\");\n$clr-blue-grey-700: map-get($clr-blue-grey-list, \"700\");\n$clr-blue-grey-800: map-get($clr-blue-grey-list, \"800\");\n$clr-blue-grey-900: map-get($clr-blue-grey-list, \"900\");\n\n\n//\n// Black\n//\n\n$clr-black-list: (\n \"base\": #000\n);\n\n$clr-black: map-get($clr-black-list, \"base\");\n\n\n//\n// White\n//\n\n$clr-white-list: (\n \"base\": #fff\n);\n\n$clr-white: map-get($clr-white-list, \"base\");\n\n\n//\n// List for all Colors for looping\n//\n\n$clr-list-all: (\n \"red\": $clr-red-list,\n \"pink\": $clr-pink-list,\n \"purple\": $clr-purple-list,\n \"deep-purple\": $clr-deep-purple-list,\n \"indigo\": $clr-indigo-list,\n \"blue\": $clr-blue-list,\n \"light-blue\": $clr-light-blue-list,\n \"cyan\": $clr-cyan-list,\n \"teal\": $clr-teal-list,\n \"green\": $clr-green-list,\n \"light-green\": $clr-light-green-list,\n \"lime\": $clr-lime-list,\n \"yellow\": $clr-yellow-list,\n \"amber\": $clr-amber-list,\n \"orange\": $clr-orange-list,\n \"deep-orange\": $clr-deep-orange-list,\n \"brown\": $clr-brown-list,\n \"grey\": $clr-grey-list,\n \"blue-grey\": $clr-blue-grey-list,\n \"black\": $clr-black-list,\n \"white\": $clr-white-list\n);\n\n\n//\n// Typography\n//\n\n$clr-ui-display-4: $clr-grey-600;\n$clr-ui-display-3: $clr-grey-600;\n$clr-ui-display-2: $clr-grey-600;\n$clr-ui-display-1: $clr-grey-600;\n$clr-ui-headline: $clr-grey-900;\n$clr-ui-title: $clr-grey-900;\n$clr-ui-subhead-1: $clr-grey-900;\n$clr-ui-body-2: $clr-grey-900;\n$clr-ui-body-1: $clr-grey-900;\n$clr-ui-caption: $clr-grey-600;\n$clr-ui-menu: $clr-grey-900;\n$clr-ui-button: $clr-grey-900;\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-footnotes-icon: svg-load(\"material/keyboard-return.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Footnote container\n .footnote {\n color: var(--md-default-fg-color--light);\n font-size: px2rem(12.8px);\n\n // Footnote list - omit left indentation\n > ol {\n margin-left: 0;\n\n // Footnote item - footnote items can contain lists, so we need to scope\n // the spacing adjustments to the top-level footnote item.\n > li {\n transition: color 125ms;\n\n // Darken color on target\n &:target {\n color: var(--md-default-fg-color);\n }\n\n // Show backreferences on footnote hover\n &:hover .footnote-backref,\n &:target .footnote-backref {\n transform: translateX(0);\n opacity: 1;\n }\n\n // Adjust spacing on first child\n > :first-child {\n margin-top: 0;\n }\n }\n }\n }\n\n // Footnote reference\n .footnote-ref {\n font-weight: 700;\n font-size: px2em(12px, 16px);\n\n // Hack: increase specificity to override default\n html & {\n outline-offset: px2rem(2px);\n }\n }\n\n // Footnote backreference\n .footnote-backref {\n display: inline-block;\n color: var(--md-typeset-a-color);\n // Hack: omit Unicode arrow for replacement with icon\n font-size: 0;\n vertical-align: text-bottom;\n transform: translateX(px2rem(5px));\n opacity: 0;\n transition:\n color 250ms,\n transform 250ms 250ms,\n opacity 125ms 250ms;\n\n // [print]: Show footnote backreferences\n @media print {\n color: var(--md-typeset-a-color);\n transform: translateX(0);\n opacity: 1;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n transform: translateX(px2rem(-5px));\n }\n\n // Adjust color on hover\n &:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Footnote backreference icon\n &::before {\n display: inline-block;\n width: px2rem(16px);\n height: px2rem(16px);\n background-color: currentColor;\n mask-image: var(--md-footnotes-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n\n // Flip icon vertically\n svg {\n transform: scaleX(-1);\n }\n }\n }\n }\n\n // Footnote reference wrapper\n [id^=\"fnref:\"]:target {\n scroll-margin-top: initial;\n margin-top: -1 * px2rem(48px + 24px - 4px);\n padding-top: px2rem(48px + 24px - 4px);\n\n // Show outline for all devices\n > .footnote-ref {\n outline: auto;\n }\n }\n\n // Footnote wrapper\n [id^=\"fn:\"]:target {\n scroll-margin-top: initial;\n margin-top: -1 * px2rem(48px + 24px - 3px);\n padding-top: px2rem(48px + 24px - 3px);\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Headerlink\n .headerlink {\n display: inline-block;\n margin-left: px2rem(10px);\n color: var(--md-default-fg-color--lighter);\n opacity: 0;\n transition:\n color 250ms,\n opacity 125ms;\n\n // [print]: Hide headerlinks\n @media print {\n display: none;\n }\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n margin-right: px2rem(10px);\n margin-left: initial;\n }\n }\n\n // Show headerlinks on parent hover\n :hover > .headerlink,\n :target > .headerlink,\n .headerlink:focus {\n opacity: 1;\n transition:\n color 250ms,\n opacity 125ms;\n }\n\n // Adjust color on parent target or focus/hover\n :target > .headerlink,\n .headerlink:focus,\n .headerlink:hover {\n color: var(--md-accent-fg-color);\n }\n\n // Adjust scroll offset for all elements with `id` attributes - general scroll\n // margin offset for anything that can be targeted. Browser support is pretty\n // decent by now, but Edge <79 and Safari (iOS and macOS) still don't support\n // it properly, so we settle with a cross-browser anchor correction solution.\n :target {\n scroll-margin-top: px2rem(48px + 24px);\n\n // [screen +]: Sticky navigation tabs\n @include break-from-device(screen) {\n\n // Adjust scroll offset for sticky navigation tabs\n .md-header--lifted ~ .md-container & {\n scroll-margin-top: px2rem(96px + 24px);\n }\n }\n }\n\n // Adjust scroll offset for headlines of level 1-3\n h1:target,\n h2:target,\n h3:target {\n scroll-margin-top: initial;\n\n // Anchor correction hack\n &::before {\n display: block;\n margin-top: -1 * px2rem(48px + 24px - 4px);\n padding-top: px2rem(48px + 24px - 4px);\n content: \"\";\n }\n\n // [screen +]: Sticky navigation tabs\n @include break-from-device(screen) {\n\n // Adjust scroll offset for sticky navigation tabs\n .md-header--lifted ~ .md-container & {\n scroll-margin-top: initial;\n\n // Anchor correction hack\n &::before {\n margin-top: -1 * px2rem(96px + 24px - 4px);\n padding-top: px2rem(96px + 24px - 4px);\n }\n }\n }\n }\n\n // Adjust scroll offset for headlines of level 4\n h4:target {\n scroll-margin-top: initial;\n\n // Anchor correction hack\n &::before {\n display: block;\n margin-top: -1 * px2rem(48px + 24px - 3px);\n padding-top: px2rem(48px + 24px - 3px);\n content: \"\";\n }\n\n // [screen +]: Sticky navigation tabs\n @include break-from-device(screen) {\n\n // Adjust scroll offset for sticky navigation tabs\n .md-header--lifted ~ .md-container & {\n scroll-margin-top: initial;\n\n // Anchor correction hack\n &::before {\n margin-top: -1 * px2rem(96px + 24px - 3px);\n padding-top: px2rem(96px + 24px - 3px);\n }\n }\n }\n }\n\n // Adjust scroll offset for headlines of level 5-6\n h5:target,\n h6:target {\n scroll-margin-top: initial;\n\n // Anchor correction hack\n &::before {\n display: block;\n margin-top: -1 * px2rem(48px + 24px);\n padding-top: px2rem(48px + 24px);\n content: \"\";\n }\n\n // [screen +]: Sticky navigation tabs\n @include break-from-device(screen) {\n\n // Adjust scroll offset for sticky navigation tabs\n .md-header--lifted ~ .md-container & {\n scroll-margin-top: initial;\n\n // Anchor correction hack\n &::before {\n margin-top: -1 * px2rem(96px + 24px);\n padding-top: px2rem(96px + 24px);\n }\n }\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Arithmatex container\n div.arithmatex {\n overflow: auto;\n\n // [mobile -]: Align with body copy\n @include break-to-device(mobile) {\n margin: 0 px2rem(-16px);\n }\n\n // Arithmatex content\n > * {\n width: min-content;\n // stylelint-disable-next-line declaration-no-important\n margin: 1em auto !important;\n padding: 0 px2rem(16px);\n touch-action: auto;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Deletion, addition or comment\n del.critic,\n ins.critic,\n .critic.comment {\n box-decoration-break: clone;\n }\n\n // Deletion\n del.critic {\n background-color: var(--md-typeset-del-color);\n }\n\n // Addition\n ins.critic {\n background-color: var(--md-typeset-ins-color);\n }\n\n // Comment\n .critic.comment {\n color: var(--md-code-hl-comment-color);\n\n // Comment opening mark\n &::before {\n content: \"/* \";\n }\n\n // Comment closing mark\n &::after {\n content: \" */\";\n }\n }\n\n // Critic block\n .critic.block {\n display: block;\n margin: 1em 0;\n padding-right: px2rem(16px);\n padding-left: px2rem(16px);\n overflow: auto;\n box-shadow: none;\n\n // Adjust spacing on first child\n > :first-child {\n margin-top: 0.5em;\n }\n\n // Adjust spacing on last child\n > :last-child {\n margin-bottom: 0.5em;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-details-icon: svg-load(\"material/chevron-right.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Details\n details {\n @extend .admonition;\n\n display: flow-root;\n padding-top: 0;\n overflow: visible;\n\n // Details title icon - rotate icon on transition to open state\n &[open] > summary::after {\n transform: rotate(90deg);\n }\n\n // Adjust spacing for details in closed state\n &:not([open]) {\n padding-bottom: 0;\n box-shadow: none;\n\n // Hack: we cannot set `overflow: hidden` on the `details` element (which\n // is why we set it to `overflow: visible`, as the outline would not be\n // visible when focusing. Therefore, we must set the border radius on the\n // summary explicitly.\n > summary {\n border-radius: px2rem(2px);\n }\n }\n\n // Hack: omit margin collapse\n &::after {\n display: table;\n content: \"\";\n }\n }\n\n // Details title\n summary {\n @extend .admonition-title;\n\n display: block;\n min-height: px2rem(20px);\n padding: px2rem(8px) px2rem(36px) px2rem(8px) px2rem(40px);\n border-top-left-radius: px2rem(2px);\n border-top-right-radius: px2rem(2px);\n cursor: pointer;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding: px2rem(8px) px2rem(44px) px2rem(8px) px2rem(36px);\n }\n\n // Show outline for keyboard devices\n &.focus-visible {\n outline-color: var(--md-accent-fg-color);\n outline-offset: px2rem(4px);\n }\n\n // Hide outline for pointer devices\n &:not(.focus-visible) {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n }\n\n // Details marker\n &::after {\n position: absolute;\n top: px2rem(8px);\n right: px2rem(8px);\n width: px2rem(20px);\n height: px2rem(20px);\n background-color: currentColor;\n mask-image: var(--md-details-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n transform: rotate(0deg);\n transition: transform 250ms;\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: initial;\n left: px2rem(8px);\n transform: rotate(180deg);\n }\n }\n\n // Hide native details marker\n &::marker,\n &::-webkit-details-marker {\n display: none;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Emoji and icon container\n .emojione,\n .twemoji,\n .gemoji {\n display: inline-flex;\n height: px2em(18px);\n vertical-align: text-top;\n\n // Icon - inlined via mkdocs-material-extensions\n svg {\n width: px2em(18px);\n max-height: 100%;\n fill: currentColor;\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: syntax highlighting\n// ----------------------------------------------------------------------------\n\n// Code block\n.highlight {\n .o, // Operator\n .ow { // Operator, word\n color: var(--md-code-hl-operator-color);\n }\n\n .p { // Punctuation\n color: var(--md-code-hl-punctuation-color);\n }\n\n .cpf, // Comment, preprocessor file\n .l, // Literal\n .s, // Literal, string\n .sb, // Literal, string backticks\n .sc, // Literal, string char\n .s2, // Literal, string double\n .si, // Literal, string interpol\n .s1, // Literal, string single\n .ss { // Literal, string symbol\n color: var(--md-code-hl-string-color);\n }\n\n .cp, // Comment, pre-processor\n .se, // Literal, string escape\n .sh, // Literal, string heredoc\n .sr, // Literal, string regex\n .sx { // Literal, string other\n color: var(--md-code-hl-special-color);\n }\n\n .m, // Number\n .mb, // Number, binary\n .mf, // Number, float\n .mh, // Number, hex\n .mi, // Number, integer\n .il, // Number, integer long\n .mo { // Number, octal\n color: var(--md-code-hl-number-color);\n }\n\n .k, // Keyword,\n .kd, // Keyword, declaration\n .kn, // Keyword, namespace\n .kp, // Keyword, pseudo\n .kr, // Keyword, reserved\n .kt { // Keyword, type\n color: var(--md-code-hl-keyword-color);\n }\n\n .kc, // Keyword, constant\n .n { // Name\n color: var(--md-code-hl-name-color);\n }\n\n .no, // Name, constant\n .nb, // Name, builtin\n .bp { // Name, builtin pseudo\n color: var(--md-code-hl-constant-color);\n }\n\n .nc, // Name, class\n .ne, // Name, exception\n .nf, // Name, function\n .nn { // Name, namespace\n color: var(--md-code-hl-function-color);\n }\n\n .nd, // Name, decorator\n .ni, // Name, entity\n .nl, // Name, label\n .nt { // Name, tag\n color: var(--md-code-hl-keyword-color);\n }\n\n .c, // Comment\n .cm, // Comment, multiline\n .c1, // Comment, single\n .ch, // Comment, shebang\n .cs, // Comment, special\n .sd { // Literal, string doc\n color: var(--md-code-hl-comment-color);\n }\n\n .na, // Name, attribute\n .nv, // Variable,\n .vc, // Variable, class\n .vg, // Variable, global\n .vi { // Variable, instance\n color: var(--md-code-hl-variable-color);\n }\n\n .ge, // Generic, emph\n .gr, // Generic, error\n .gh, // Generic, heading\n .go, // Generic, output\n .gp, // Generic, prompt\n .gs, // Generic, strong\n .gu, // Generic, subheading\n .gt { // Generic, traceback\n color: var(--md-code-hl-generic-color);\n }\n\n .gd, // Diff, delete\n .gi { // Diff, insert\n margin: 0 px2em(-2px);\n padding: 0 px2em(2px);\n border-radius: px2rem(2px);\n }\n\n .gd { // Diff, delete\n background-color: var(--md-typeset-del-color);\n }\n\n .gi { // Diff, insert\n background-color: var(--md-typeset-ins-color);\n }\n\n // Highlighted line\n .hll {\n display: block;\n margin: 0 px2em(-16px, 13.6px);\n padding: 0 px2em(16px, 13.6px);\n background-color: var(--md-code-hl-color);\n }\n\n // Code block title\n span.filename {\n position: relative;\n display: block;\n margin-top: 1em;\n padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n font-weight: 700;\n font-size: px2em(13.6px);\n background-color: var(--md-code-bg-color);\n border-bottom: px2rem(1px) solid var(--md-default-fg-color--lightest);\n border-top-left-radius: px2rem(2px);\n border-top-right-radius: px2rem(2px);\n\n // Adjust spacing for code block\n + pre {\n margin-top: 0;\n }\n }\n\n // Code block line numbers (inline)\n [data-linenos]::before {\n position: sticky;\n left: px2em(-16px, 13.6px);\n float: left;\n margin-right: px2em(16px, 13.6px);\n margin-left: px2em(-16px, 13.6px);\n padding-left: px2em(16px, 13.6px);\n color: var(--md-default-fg-color--light);\n background-color: var(--md-code-bg-color);\n box-shadow: px2rem(-1px) 0 var(--md-default-fg-color--lightest) inset;\n content: attr(data-linenos);\n user-select: none;\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: layout\n// ----------------------------------------------------------------------------\n\n// Code block with line numbers\n.highlighttable {\n display: flow-root;\n overflow: hidden;\n\n // Set table elements to block layout, because otherwise the whole flexbox\n // hacking won't work correctly\n tbody,\n td {\n display: block;\n padding: 0;\n }\n\n // We need to use flexbox layout, because otherwise it's not possible to\n // make the code container scroll while keeping the line numbers static\n tr {\n display: flex;\n }\n\n // The pre tags are nested inside a table, so we need to omit the margin\n // because it collapses below all the overflows\n pre {\n margin: 0;\n }\n\n // Code block title container\n th.filename {\n flex-grow: 1;\n padding: 0;\n text-align: left;\n }\n\n // Code block line numbers - disable user selection, so code can be easily\n // copied without accidentally also copying the line numbers\n .linenos {\n padding: px2em(10.5px, 13.6px) px2em(16px, 13.6px);\n padding-right: 0;\n font-size: px2em(13.6px);\n background-color: var(--md-code-bg-color);\n user-select: none;\n }\n\n // Code block line numbers container\n .linenodiv {\n padding-right: px2em(8px, 13.6px);\n box-shadow: px2rem(-1px) 0 var(--md-default-fg-color--lightest) inset;\n\n // Adjust colors and alignment\n pre {\n color: var(--md-default-fg-color--light);\n text-align: right;\n }\n }\n\n // Code block container - stretch to remaining space\n .code {\n flex: 1;\n overflow: hidden;\n }\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Code block with line numbers\n .highlighttable {\n margin: 1em 0;\n direction: ltr;\n border-radius: px2rem(2px);\n\n // Omit rounded borders on contained code block\n code {\n border-radius: 0;\n }\n }\n\n // [mobile -]: Align with body copy\n @include break-to-device(mobile) {\n\n // Top-level code block\n > .highlight {\n margin: 1em px2rem(-16px);\n\n // Highlighted line\n .hll {\n margin: 0 px2rem(-16px);\n padding: 0 px2rem(16px);\n }\n\n // Omit rounded borders\n code {\n border-radius: 0;\n }\n }\n\n // Top-level code block with line numbers\n > .highlighttable {\n margin: 1em px2rem(-16px);\n border-radius: 0;\n\n // Highlighted line\n .hll {\n margin: 0 px2rem(-16px);\n padding: 0 px2rem(16px);\n }\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules: legacy implementation (deprecated, removed in v8)\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Tabbed content\n .tabbed-content {\n display: none;\n order: 99;\n width: 100%;\n box-shadow: 0 px2rem(-1px) var(--md-default-fg-color--lightest);\n\n // [print]: Show all tabs (even hidden ones) when printing\n @media print {\n display: block;\n order: initial;\n }\n\n // Code block is the only child of a tab - remove margin and mirror\n // previous (now deprecated) SuperFences code block grouping behavior\n > pre:only-child,\n > .highlight:only-child pre,\n > .highlighttable:only-child {\n margin: 0;\n\n // Omit rounded borders\n > code {\n border-top-left-radius: 0;\n border-top-right-radius: 0;\n }\n }\n\n // Adjust spacing for nested tab\n > .tabbed-set {\n margin: 0;\n }\n }\n\n // Tabbed container\n .tabbed-set {\n position: relative;\n display: flex;\n flex-wrap: wrap;\n margin: 1em 0;\n border-radius: px2rem(2px);\n\n // Tab radio button - the Tabbed extension will generate radio buttons with\n // labels, so tabs can be triggered without the necessity for JavaScript.\n // This is pretty cool, as it has great accessibility out-of-the box, so\n // we just hide the radio button and toggle the label color for indication.\n > input {\n position: absolute;\n width: 0;\n height: 0;\n opacity: 0;\n\n // Tab label for checked radio button\n &:checked + label {\n color: var(--md-accent-fg-color);\n border-color: var(--md-accent-fg-color);\n\n // Show tabbed block content\n + .tabbed-content {\n display: block;\n }\n }\n\n // Tab label on focus\n &:focus + label {\n outline-style: auto;\n outline-color: var(--md-accent-fg-color);\n }\n\n // Hide outline for pointer devices\n &:not(.focus-visible) + label {\n outline: none;\n -webkit-tap-highlight-color: transparent;\n }\n }\n\n // Tab label\n > label {\n z-index: 1;\n width: auto;\n padding: px2em(12px, 12.8px) 1.25em px2em(10px, 12.8px);\n color: var(--md-default-fg-color--light);\n font-weight: 700;\n font-size: px2rem(12.8px);\n border-bottom: px2rem(2px) solid transparent;\n cursor: pointer;\n transition: color 250ms;\n\n // Tab label on hover\n &:hover {\n color: var(--md-accent-fg-color);\n }\n }\n }\n}\n\n// ----------------------------------------------------------------------------\n// Placeholders: improve colocation for better compression\n// ----------------------------------------------------------------------------\n\n// Tab label placeholder\n%tabbed-label {\n\n // [screen]: Show active state\n @media screen {\n color: var(--md-accent-fg-color);\n border-color: var(--md-accent-fg-color);\n }\n}\n\n// Tab label on keyboard focus placeholder\n%tabbed-label-focus-visible {\n background-color: var(--md-accent-fg-color--transparent);\n}\n\n// Tab content placeholder\n%tabbed-content {\n display: block;\n}\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset { // stylelint-disable-line\n\n // Tabbed labels\n .tabbed-labels {\n display: flex;\n max-width: 100%;\n overflow: auto;\n box-shadow: 0 px2rem(-1px) var(--md-default-fg-color--lightest) inset;\n scroll-snap-type: x proximity;\n -ms-overflow-style: none; // IE, Edge\n scrollbar-width: none; // Firefox\n\n // [print]: Move one layer up for ordering\n @media print {\n display: contents;\n }\n\n // Webkit scrollbar\n &::-webkit-scrollbar {\n display: none; // Chrome, Safari\n }\n\n // Tab label\n > label {\n z-index: 1;\n flex-shrink: 0;\n width: auto;\n padding: px2em(10px, 12.8px) 1.25em px2em(8px, 12.8px);\n color: var(--md-default-fg-color--light);\n font-weight: 700;\n font-size: px2rem(12.8px);\n white-space: nowrap;\n border-bottom: px2rem(2px) solid transparent;\n scroll-snap-align: start;\n border-top-left-radius: px2rem(2px);\n border-top-right-radius: px2rem(2px);\n cursor: pointer;\n transition:\n background-color 250ms,\n color 250ms;\n\n // [print]: Intersperse labels with containers\n @media print {\n\n // Ensure correct order of labels\n @for $i from 1 through 20 {\n &:nth-child(#{$i}) {\n order: $i;\n }\n }\n }\n\n // Tab label on hover\n &:hover {\n color: var(--md-accent-fg-color);\n }\n }\n }\n\n // [mobile -]: Align with body copy\n @include break-to-device(mobile) {\n\n // Top-level tabbed labels\n > .tabbed-alternate .tabbed-labels {\n max-width: 100vw;\n margin: 0 px2rem(-16px);\n padding-left: px2rem(16px);\n scroll-padding-left: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: px2rem(16px);\n padding-left: initial;\n scroll-padding-right: px2rem(16px);\n scroll-padding-left: initial;\n }\n\n // Hack: some browsers ignore the right padding on flex containers,\n // see https://bit.ly/3lsPS3S\n &::after {\n padding-right: px2rem(16px);\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n padding-right: initial;\n padding-left: px2rem(16px);\n }\n }\n }\n }\n\n // Tabbed container\n .tabbed-alternate {\n flex-direction: column;\n\n // Tabbed content\n .tabbed-content {\n display: initial;\n order: initial;\n width: 100%;\n box-shadow: initial;\n\n // [print]: Move one layer up for ordering\n @media print {\n display: contents;\n }\n }\n\n // Tabbed block\n .tabbed-block {\n display: none;\n\n // [print]: Intersperse labels with containers\n @media print {\n display: block;\n\n // Ensure correct order of containers\n @for $i from 1 through 20 {\n &:nth-child(#{$i}) {\n order: $i;\n }\n }\n }\n\n // Code block is the only child of a tab - remove margin and mirror\n // previous (now deprecated) SuperFences code block grouping behavior\n > pre:only-child,\n > .highlight:only-child pre,\n > .highlighttable:only-child {\n margin: 0;\n\n // Omit rounded borders\n > code {\n border-top-left-radius: 0;\n border-top-right-radius: 0;\n }\n }\n\n // Adjust spacing for nested tabbed container\n > .tabbed-set {\n margin: 0;\n }\n }\n\n // Tab label states\n @for $i from 20 through 1 {\n input:nth-child(#{$i}) {\n\n // Tab is active\n &:checked {\n\n // Tab label\n ~ .tabbed-labels > :nth-child(#{$i}) {\n @extend %tabbed-label;\n }\n\n // Tab content\n ~ .tabbed-content > :nth-child(#{$i}) {\n @extend %tabbed-content;\n }\n }\n\n // Tab label on keyboard focus\n &.focus-visible ~ .tabbed-labels > :nth-child(#{$i}) {\n @extend %tabbed-label-focus-visible;\n }\n }\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Icon definitions\n:root {\n --md-tasklist-icon:\n svg-load(\"octicons/check-circle-fill-24.svg\");\n --md-tasklist-icon--checked:\n svg-load(\"octicons/check-circle-fill-24.svg\");\n}\n\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // Tasklist item\n .task-list-item {\n position: relative;\n list-style-type: none;\n\n // Make checkbox items align with normal list items, but position\n // everything in ems for correct layout at smaller font sizes\n [type=\"checkbox\"] {\n position: absolute;\n top: 0.45em;\n left: -2em;\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: -2em;\n left: initial;\n }\n }\n }\n\n // Hide native checkbox, when custom classes are enabled\n .task-list-control [type=\"checkbox\"] {\n z-index: -1;\n opacity: 0;\n }\n\n // Tasklist indicator in unchecked state\n .task-list-indicator::before {\n position: absolute;\n top: 0.15em;\n left: px2em(-24px);\n width: px2em(20px);\n height: px2em(20px);\n background-color: var(--md-default-fg-color--lightest);\n mask-image: var(--md-tasklist-icon);\n mask-repeat: no-repeat;\n mask-size: contain;\n content: \"\";\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n right: px2em(-24px);\n left: initial;\n }\n }\n\n // Tasklist indicator in checked state\n [type=\"checkbox\"]:checked + .task-list-indicator::before {\n background-color: $clr-green-a400;\n mask-image: var(--md-tasklist-icon--checked);\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Scoped in typesetted content to match specificity of regular content\n.md-typeset {\n\n // [tablet +]: Allow for rendering content as sidebars\n @include break-from-device(tablet) {\n\n // Modifier to float block elements\n .inline {\n float: left;\n width: px2rem(234px);\n margin-top: 0;\n margin-right: px2rem(16px);\n margin-bottom: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: right;\n margin-right: 0;\n margin-left: px2rem(16px);\n }\n\n // Modifier to move to end (ltr: right, rtl: left)\n &.end {\n float: right;\n margin-right: 0;\n margin-left: px2rem(16px);\n\n // Adjust for right-to-left languages\n [dir=\"rtl\"] & {\n float: left;\n margin-right: px2rem(16px);\n margin-left: 0;\n }\n }\n }\n }\n}\n"]} \ No newline at end of file diff --git a/v7.0.1/assets/stylesheets/palette.3f5d1f46.min.css b/v7.0.1/assets/stylesheets/palette.3f5d1f46.min.css new file mode 100644 index 0000000..8fdf1b2 --- /dev/null +++ b/v7.0.1/assets/stylesheets/palette.3f5d1f46.min.css @@ -0,0 +1,2 @@ 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Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n@each $name, $color in (\n \"red\": $clr-red-a400,\n \"pink\": $clr-pink-a400,\n \"purple\": $clr-purple-a200,\n \"deep-purple\": $clr-deep-purple-a200,\n \"indigo\": $clr-indigo-a200,\n \"blue\": $clr-blue-a200,\n \"light-blue\": $clr-light-blue-a700,\n \"cyan\": $clr-cyan-a700,\n \"teal\": $clr-teal-a700,\n \"green\": $clr-green-a700,\n \"light-green\": $clr-light-green-a700,\n \"lime\": $clr-lime-a700,\n \"yellow\": $clr-yellow-a700,\n \"amber\": $clr-amber-a700,\n \"orange\": $clr-orange-a400,\n \"deep-orange\": $clr-deep-orange-a200\n) {\n\n // Color palette\n [data-md-color-accent=\"#{$name}\"] {\n --md-accent-fg-color: hsla(#{hex2hsl($color)}, 1);\n --md-accent-fg-color--transparent: hsla(#{hex2hsl($color)}, 0.1);\n\n // Inverted text for lighter shades\n @if index(\"lime\" \"yellow\" \"amber\" \"orange\", $name) {\n --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n } @else {\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n }\n }\n}\n","[data-md-color-accent=red] {\n --md-accent-fg-color: hsla(348, 100%, 55%, 1);\n --md-accent-fg-color--transparent: hsla(348, 100%, 55%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=pink] {\n --md-accent-fg-color: hsla(339, 100%, 48%, 1);\n --md-accent-fg-color--transparent: hsla(339, 100%, 48%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=purple] {\n --md-accent-fg-color: hsla(291, 96%, 62%, 1);\n --md-accent-fg-color--transparent: hsla(291, 96%, 62%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=deep-purple] {\n --md-accent-fg-color: hsla(256, 100%, 65%, 1);\n --md-accent-fg-color--transparent: hsla(256, 100%, 65%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=indigo] {\n --md-accent-fg-color: hsla(231, 99%, 66%, 1);\n --md-accent-fg-color--transparent: hsla(231, 99%, 66%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=blue] {\n --md-accent-fg-color: hsla(218, 100%, 63%, 1);\n --md-accent-fg-color--transparent: hsla(218, 100%, 63%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=light-blue] {\n --md-accent-fg-color: hsla(203, 100%, 46%, 1);\n --md-accent-fg-color--transparent: hsla(203, 100%, 46%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=cyan] {\n --md-accent-fg-color: hsla(188, 100%, 42%, 1);\n --md-accent-fg-color--transparent: hsla(188, 100%, 42%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=teal] {\n --md-accent-fg-color: hsla(172, 100%, 37%, 1);\n --md-accent-fg-color--transparent: hsla(172, 100%, 37%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=green] {\n --md-accent-fg-color: hsla(145, 100%, 39%, 1);\n --md-accent-fg-color--transparent: hsla(145, 100%, 39%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=light-green] {\n --md-accent-fg-color: hsla(97, 81%, 48%, 1);\n --md-accent-fg-color--transparent: hsla(97, 81%, 48%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-accent=lime] {\n --md-accent-fg-color: hsla(75, 100%, 46%, 1);\n --md-accent-fg-color--transparent: hsla(75, 100%, 46%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=yellow] {\n --md-accent-fg-color: hsla(50, 100%, 50%, 1);\n --md-accent-fg-color--transparent: hsla(50, 100%, 50%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=amber] {\n --md-accent-fg-color: hsla(40, 100%, 50%, 1);\n --md-accent-fg-color--transparent: hsla(40, 100%, 50%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=orange] {\n --md-accent-fg-color: hsla(34, 100%, 50%, 1);\n --md-accent-fg-color--transparent: hsla(34, 100%, 50%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-accent-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-accent=deep-orange] {\n --md-accent-fg-color: hsla(14, 100%, 63%, 1);\n --md-accent-fg-color--transparent: hsla(14, 100%, 63%, 0.1);\n --md-accent-bg-color: hsla(0, 0%, 100%, 1);\n --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=red] {\n --md-primary-fg-color: hsl(1, 83%, 63%);\n --md-primary-fg-color--light: hsl(0, 69%, 67%);\n --md-primary-fg-color--dark: hsl(1, 77%, 55%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=pink] {\n --md-primary-fg-color: hsl(340, 82%, 52%);\n --md-primary-fg-color--light: hsl(340, 82%, 59%);\n --md-primary-fg-color--dark: hsl(336, 78%, 43%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=purple] {\n --md-primary-fg-color: hsl(291, 47%, 51%);\n --md-primary-fg-color--light: hsl(291, 47%, 60%);\n --md-primary-fg-color--dark: hsl(287, 65%, 40%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=deep-purple] {\n --md-primary-fg-color: hsl(262, 47%, 55%);\n --md-primary-fg-color--light: hsl(262, 47%, 63%);\n --md-primary-fg-color--dark: hsl(262, 52%, 47%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=indigo] {\n --md-primary-fg-color: hsl(231, 48%, 48%);\n --md-primary-fg-color--light: hsl(231, 44%, 56%);\n --md-primary-fg-color--dark: hsl(232, 54%, 41%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=blue] {\n --md-primary-fg-color: hsl(207, 90%, 54%);\n --md-primary-fg-color--light: hsl(207, 90%, 61%);\n --md-primary-fg-color--dark: hsl(210, 79%, 46%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=light-blue] {\n --md-primary-fg-color: hsl(199, 98%, 48%);\n --md-primary-fg-color--light: hsl(199, 92%, 56%);\n --md-primary-fg-color--dark: hsl(201, 98%, 41%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=cyan] {\n --md-primary-fg-color: hsl(187, 100%, 42%);\n --md-primary-fg-color--light: hsl(187, 71%, 50%);\n --md-primary-fg-color--dark: hsl(186, 100%, 33%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=teal] {\n --md-primary-fg-color: hsl(174, 100%, 29%);\n --md-primary-fg-color--light: hsl(174, 63%, 40%);\n --md-primary-fg-color--dark: hsl(173, 100%, 24%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=green] {\n --md-primary-fg-color: hsl(122, 39%, 49%);\n --md-primary-fg-color--light: hsl(123, 38%, 57%);\n --md-primary-fg-color--dark: hsl(123, 43%, 39%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=light-green] {\n --md-primary-fg-color: hsl(88, 50%, 53%);\n --md-primary-fg-color--light: hsl(88, 50%, 60%);\n --md-primary-fg-color--dark: hsl(92, 48%, 42%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=lime] {\n --md-primary-fg-color: hsl(66, 70%, 54%);\n --md-primary-fg-color--light: hsl(66, 70%, 61%);\n --md-primary-fg-color--dark: hsl(62, 61%, 44%);\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=yellow] {\n --md-primary-fg-color: hsl(54, 100%, 62%);\n --md-primary-fg-color--light: hsl(54, 100%, 67%);\n --md-primary-fg-color--dark: hsl(43, 96%, 58%);\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=amber] {\n --md-primary-fg-color: hsl(45, 100%, 51%);\n --md-primary-fg-color--light: hsl(45, 100%, 58%);\n --md-primary-fg-color--dark: hsl(38, 100%, 50%);\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=orange] {\n --md-primary-fg-color: hsl(36, 100%, 57%);\n --md-primary-fg-color--light: hsl(36, 100%, 57%);\n --md-primary-fg-color--dark: hsl(33, 100%, 49%);\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n}\n\n[data-md-color-primary=deep-orange] {\n --md-primary-fg-color: hsl(14, 100%, 63%);\n --md-primary-fg-color--light: hsl(14, 100%, 70%);\n --md-primary-fg-color--dark: hsl(14, 91%, 54%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=brown] {\n --md-primary-fg-color: hsl(16, 25%, 38%);\n --md-primary-fg-color--light: hsl(16, 18%, 47%);\n --md-primary-fg-color--dark: hsl(14, 26%, 29%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=grey] {\n --md-primary-fg-color: hsl(0, 0%, 46%);\n --md-primary-fg-color--light: hsl(0, 0%, 62%);\n --md-primary-fg-color--dark: hsl(0, 0%, 38%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=blue-grey] {\n --md-primary-fg-color: hsl(199, 18%, 40%);\n --md-primary-fg-color--light: hsl(200, 18%, 46%);\n --md-primary-fg-color--dark: hsl(199, 18%, 33%);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n}\n\n[data-md-color-primary=white] {\n --md-primary-fg-color: hsla(0, 0%, 100%, 1);\n --md-primary-fg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-primary-fg-color--dark: hsla(0, 0%, 0%, 0.07);\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n --md-typeset-a-color: hsla(231, 48%, 48%, 1);\n}\n@media screen and (min-width: 60em) {\n [data-md-color-primary=white] .md-search__form {\n background-color: rgba(0, 0, 0, 0.07);\n }\n [data-md-color-primary=white] .md-search__form:hover {\n background-color: rgba(0, 0, 0, 0.32);\n }\n [data-md-color-primary=white] .md-search__input + .md-search__icon {\n color: rgba(0, 0, 0, 0.87);\n }\n}\n@media screen and (min-width: 76.25em) {\n [data-md-color-primary=white] .md-tabs {\n border-bottom: 0.05rem solid rgba(0, 0, 0, 0.07);\n }\n}\n\n[data-md-color-primary=black] {\n --md-primary-fg-color: hsla(0, 0%, 0%, 1);\n --md-primary-fg-color--light: hsla(0, 0%, 0%, 0.54);\n --md-primary-fg-color--dark: hsla(0, 0%, 0%, 1);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-typeset-a-color: hsla(231, 48%, 48%, 1);\n}\n[data-md-color-primary=black] .md-header {\n background-color: black;\n}\n@media screen and (max-width: 59.9375em) {\n [data-md-color-primary=black] .md-nav__source {\n background-color: rgba(0, 0, 0, 0.87);\n }\n}\n@media screen and (min-width: 60em) {\n [data-md-color-primary=black] .md-search__form {\n background-color: rgba(255, 255, 255, 0.12);\n }\n [data-md-color-primary=black] .md-search__form:hover {\n background-color: rgba(255, 255, 255, 0.3);\n }\n}\n@media screen and (max-width: 76.1875em) {\n html [data-md-color-primary=black] .md-nav--primary .md-nav__title[for=__drawer] {\n background-color: black;\n }\n}\n@media screen and (min-width: 76.25em) {\n [data-md-color-primary=black] .md-tabs {\n background-color: black;\n }\n}\n\n@media screen {\n [data-md-color-scheme=slate] {\n --md-hue: 232;\n --md-default-fg-color: hsla(var(--md-hue), 75%, 95%, 1);\n --md-default-fg-color--light: hsla(var(--md-hue), 75%, 90%, 0.62);\n --md-default-fg-color--lighter: hsla(var(--md-hue), 75%, 90%, 0.32);\n --md-default-fg-color--lightest: hsla(var(--md-hue), 75%, 90%, 0.12);\n --md-default-bg-color: hsla(var(--md-hue), 15%, 21%, 1);\n --md-default-bg-color--light: hsla(var(--md-hue), 15%, 21%, 0.54);\n --md-default-bg-color--lighter: hsla(var(--md-hue), 15%, 21%, 0.26);\n --md-default-bg-color--lightest: hsla(var(--md-hue), 15%, 21%, 0.07);\n --md-code-fg-color: hsla(var(--md-hue), 18%, 86%, 1);\n --md-code-bg-color: hsla(var(--md-hue), 15%, 15%, 1);\n --md-code-hl-color: hsla(218, 100%, 63%, 0.15);\n --md-code-hl-number-color: hsla(6, 74%, 63%, 1);\n --md-code-hl-special-color: hsla(340, 83%, 66%, 1);\n --md-code-hl-function-color: hsla(291, 57%, 65%, 1);\n --md-code-hl-constant-color: hsla(250, 62%, 70%, 1);\n --md-code-hl-keyword-color: hsla(219, 66%, 64%, 1);\n --md-code-hl-string-color: hsla(150, 58%, 44%, 1);\n --md-code-hl-name-color: var(--md-code-fg-color);\n --md-code-hl-operator-color: var(--md-default-fg-color--light);\n --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n --md-code-hl-comment-color: var(--md-default-fg-color--light);\n --md-code-hl-generic-color: var(--md-default-fg-color--light);\n --md-code-hl-variable-color: var(--md-default-fg-color--light);\n --md-typeset-color: var(--md-default-fg-color);\n --md-typeset-a-color: var(--md-primary-fg-color);\n --md-typeset-mark-color: hsla(218, 100%, 63%, 0.3);\n --md-typeset-kbd-color: hsla(var(--md-hue), 15%, 94%, 0.12);\n --md-typeset-kbd-accent-color: hsla(var(--md-hue), 15%, 94%, 0.2);\n --md-typeset-kbd-border-color: hsla(var(--md-hue), 15%, 14%, 1);\n --md-typeset-table-color: hsla(var(--md-hue), 75%, 95%, 0.12);\n --md-admonition-bg-color: hsla(var(--md-hue), 0%, 100%, 0.025);\n --md-footer-bg-color: hsla(var(--md-hue), 15%, 12%, 0.87);\n --md-footer-bg-color--dark: hsla(var(--md-hue), 15%, 10%, 1);\n }\n [data-md-color-scheme=slate][data-md-color-primary=black], [data-md-color-scheme=slate][data-md-color-primary=white] {\n --md-typeset-a-color: hsla(231, 44%, 56%, 1);\n }\n}\n\n/*# sourceMappingURL=palette.css.map */","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n@use \"sass:list\";\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n@each $name, $colors in (\n \"red\": $clr-red-400 $clr-red-300 $clr-red-600,\n \"pink\": $clr-pink-500 $clr-pink-400 $clr-pink-700,\n \"purple\": $clr-purple-400 $clr-purple-300 $clr-purple-600,\n \"deep-purple\": $clr-deep-purple-400 $clr-deep-purple-300 $clr-deep-purple-500,\n \"indigo\": $clr-indigo-500 $clr-indigo-400 $clr-indigo-700,\n \"blue\": $clr-blue-500 $clr-blue-400 $clr-blue-700,\n \"light-blue\": $clr-light-blue-500 $clr-light-blue-400 $clr-light-blue-700,\n \"cyan\": $clr-cyan-500 $clr-cyan-400 $clr-cyan-700,\n \"teal\": $clr-teal-500 $clr-teal-400 $clr-teal-700,\n \"green\": $clr-green-500 $clr-green-400 $clr-green-700,\n \"light-green\": $clr-light-green-500 $clr-light-green-400 $clr-light-green-700,\n \"lime\": $clr-lime-500 $clr-lime-400 $clr-lime-700,\n \"yellow\": $clr-yellow-500 $clr-yellow-400 $clr-yellow-700,\n \"amber\": $clr-amber-500 $clr-amber-400 $clr-amber-700,\n \"orange\": $clr-orange-400 $clr-orange-400 $clr-orange-600,\n \"deep-orange\": $clr-deep-orange-400 $clr-deep-orange-300 $clr-deep-orange-600,\n \"brown\": $clr-brown-500 $clr-brown-400 $clr-brown-700,\n \"grey\": $clr-grey-600 $clr-grey-500 $clr-grey-700,\n \"blue-grey\": $clr-blue-grey-600 $clr-blue-grey-500 $clr-blue-grey-700\n) {\n\n // Color palette\n [data-md-color-primary=\"#{$name}\"] {\n --md-primary-fg-color: hsl(#{hex2hsl(list.nth($colors, 1))});\n --md-primary-fg-color--light: hsl(#{hex2hsl(list.nth($colors, 2))});\n --md-primary-fg-color--dark: hsl(#{hex2hsl(list.nth($colors, 3))});\n\n // Inverted text for lighter shades\n @if index(\"lime\" \"yellow\" \"amber\" \"orange\", $name) {\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n } @else {\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n }\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: white\n// ----------------------------------------------------------------------------\n\n// Color palette\n[data-md-color-primary=\"white\"] {\n --md-primary-fg-color: hsla(0, 0%, 100%, 1);\n --md-primary-fg-color--light: hsla(0, 0%, 100%, 0.7);\n --md-primary-fg-color--dark: hsla(0, 0%, 0%, 0.07);\n --md-primary-bg-color: hsla(0, 0%, 0%, 0.87);\n --md-primary-bg-color--light: hsla(0, 0%, 0%, 0.54);\n\n // Typeset color shades\n --md-typeset-a-color: hsla(#{hex2hsl($clr-indigo-500)}, 1);\n\n // [tablet portrait +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n\n // Search form\n .md-search__form {\n background-color: hsla(0, 0%, 0%, 0.07);\n\n // Search form on hover\n &:hover {\n background-color: hsla(0, 0%, 0%, 0.32);\n }\n }\n\n // Search icon\n .md-search__input + .md-search__icon {\n color: hsla(0, 0%, 0%, 0.87);\n }\n }\n\n // [screen +]: Add bottom border for tabs\n @include break-from-device(screen) {\n\n // Navigation tabs\n .md-tabs {\n border-bottom: px2rem(1px) solid hsla(0, 0%, 0%, 0.07);\n }\n }\n}\n\n// ----------------------------------------------------------------------------\n// Rules: black\n// ----------------------------------------------------------------------------\n\n// Color palette\n[data-md-color-primary=\"black\"] {\n --md-primary-fg-color: hsla(0, 0%, 0%, 1);\n --md-primary-fg-color--light: hsla(0, 0%, 0%, 0.54);\n --md-primary-fg-color--dark: hsla(0, 0%, 0%, 1);\n --md-primary-bg-color: hsla(0, 0%, 100%, 1);\n --md-primary-bg-color--light: hsla(0, 0%, 100%, 0.7);\n\n // Text color shades\n --md-typeset-a-color: hsla(#{hex2hsl($clr-indigo-500)}, 1);\n\n // Header\n .md-header {\n background-color: hsla(0, 0%, 0%, 1);\n }\n\n // [tablet portrait -]: Layered navigation\n @include break-to-device(tablet portrait) {\n\n // Repository information container\n .md-nav__source {\n background-color: hsla(0, 0%, 0%, 0.87);\n }\n }\n\n // [tablet landscape +]: Header-embedded search\n @include break-from-device(tablet landscape) {\n\n // Search form\n .md-search__form {\n background-color: hsla(0, 0%, 100%, 0.12);\n\n // Search form on hover\n &:hover {\n background-color: hsla(0, 0%, 100%, 0.3);\n }\n }\n }\n\n // [tablet -]: Layered navigation\n @include break-to-device(tablet) {\n\n // Site title in main navigation\n html & .md-nav--primary .md-nav__title[for=\"__drawer\"] {\n background-color: hsla(0, 0%, 0%, 1);\n }\n }\n\n // [screen +]: Set background color for tabs\n @include break-from-device(screen) {\n\n // Navigation tabs\n .md-tabs {\n background-color: hsla(0, 0%, 0%, 1);\n }\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n@use \"sass:list\";\n@use \"sass:map\";\n@use \"sass:math\";\n\n// ----------------------------------------------------------------------------\n// Variables\n// ----------------------------------------------------------------------------\n\n///\n/// Device-specific breakpoints\n///\n/// @example\n/// $break-devices: (\n/// mobile: (\n/// portrait: 220px 479px,\n/// landscape: 480px 719px\n/// ),\n/// tablet: (\n/// portrait: 720px 959px,\n/// landscape: 960px 1219px\n/// ),\n/// screen: (\n/// small: 1220px 1599px,\n/// medium: 1600px 1999px,\n/// large: 2000px\n/// )\n/// );\n///\n$break-devices: () !default;\n\n// ----------------------------------------------------------------------------\n// Helpers\n// ----------------------------------------------------------------------------\n\n///\n/// Choose minimum and maximum device widths\n///\n@function break-select-min-max($devices) {\n $min: 1000000;\n $max: 0;\n @each $key, $value in $devices {\n @while type-of($value) == map {\n $value: break-select-min-max($value);\n }\n @if type-of($value) == list {\n @each $number in $value {\n @if type-of($number) == number {\n $min: math.min($number, $min);\n @if $max {\n $max: math.max($number, $max);\n }\n } @else {\n @error \"Invalid number: #{$number}\";\n }\n }\n } @else if type-of($value) == number {\n $min: math.min($value, $min);\n $max: null;\n } @else {\n @error \"Invalid value: #{$value}\";\n }\n }\n @return $min, $max;\n}\n\n///\n/// Select minimum and maximum widths for a device breakpoint\n///\n@function break-select-device($device) {\n $current: $break-devices;\n @for $n from 1 through length($device) {\n @if type-of($current) == map {\n $current: map.get($current, list.nth($device, $n));\n } @else {\n @error \"Invalid device map: #{$devices}\";\n }\n }\n @if type-of($current) == list or type-of($current) == number {\n $current: (default: $current);\n }\n @return break-select-min-max($current);\n}\n\n// ----------------------------------------------------------------------------\n// Mixins\n// ----------------------------------------------------------------------------\n\n///\n/// A minimum-maximum media query breakpoint\n///\n@mixin break-at($breakpoint) {\n @if type-of($breakpoint) == number {\n @media screen and (min-width: $breakpoint) {\n @content;\n }\n } @else if type-of($breakpoint) == list {\n $min: list.nth($breakpoint, 1);\n $max: list.nth($breakpoint, 2);\n @if type-of($min) == number and type-of($max) == number {\n @media screen and (min-width: $min) and (max-width: $max) {\n @content;\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n}\n\n///\n/// An orientation media query breakpoint\n///\n@mixin break-at-orientation($breakpoint) {\n @if type-of($breakpoint) == string {\n @media screen and (orientation: $breakpoint) {\n @content;\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n}\n\n///\n/// A maximum-aspect-ratio media query breakpoint\n///\n@mixin break-at-ratio($breakpoint) {\n @if type-of($breakpoint) == number {\n @media screen and (max-aspect-ratio: $breakpoint) {\n @content;\n }\n } @else {\n @error \"Invalid breakpoint: #{$breakpoint}\";\n }\n}\n\n///\n/// A minimum-maximum media query device breakpoint\n///\n@mixin break-at-device($device) {\n @if type-of($device) == string {\n $device: $device,;\n }\n @if type-of($device) == list {\n $breakpoint: break-select-device($device);\n @if list.nth($breakpoint, 2) {\n $min: list.nth($breakpoint, 1);\n $max: list.nth($breakpoint, 2);\n\n @media screen and (min-width: $min) and (max-width: $max) {\n @content;\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n}\n\n///\n/// A minimum media query device breakpoint\n///\n@mixin break-from-device($device) {\n @if type-of($device) == string {\n $device: $device,;\n }\n @if type-of($device) == list {\n $breakpoint: break-select-device($device);\n $min: list.nth($breakpoint, 1);\n\n @media screen and (min-width: $min) {\n @content;\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n}\n\n///\n/// A maximum media query device breakpoint\n///\n@mixin break-to-device($device) {\n @if type-of($device) == string {\n $device: $device,;\n }\n @if type-of($device) == list {\n $breakpoint: break-select-device($device);\n $max: list.nth($breakpoint, 2);\n\n @media screen and (max-width: $max) {\n @content;\n }\n } @else {\n @error \"Invalid device: #{$device}\";\n }\n}\n","////\n/// Copyright (c) 2016-2021 Martin Donath \n///\n/// Permission is hereby granted, free of charge, to any person obtaining a\n/// copy of this software and associated documentation files (the \"Software\"),\n/// to deal in the Software without restriction, including without limitation\n/// the rights to use, copy, modify, merge, publish, distribute, sublicense,\n/// and/or sell copies of the Software, and to permit persons to whom the\n/// Software is furnished to do so, subject to the following conditions:\n///\n/// The above copyright notice and this permission notice shall be included in\n/// all copies or substantial portions of the Software.\n///\n/// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n/// DEALINGS\n////\n\n// ----------------------------------------------------------------------------\n// Rules\n// ----------------------------------------------------------------------------\n\n// Only use dark mode on screens\n@media screen {\n\n // Slate theme, i.e. dark mode\n [data-md-color-scheme=\"slate\"] {\n\n // Slate's hue in the range [0,360] - change this variable to alter the tone\n // of the theme, e.g. to make it more redish or greenish. This is a slate-\n // specific variable, but the same approach may be adapted to custom themes.\n --md-hue: 232;\n\n // Default color shades\n --md-default-fg-color: hsla(var(--md-hue), 75%, 95%, 1);\n --md-default-fg-color--light: hsla(var(--md-hue), 75%, 90%, 0.62);\n --md-default-fg-color--lighter: hsla(var(--md-hue), 75%, 90%, 0.32);\n --md-default-fg-color--lightest: hsla(var(--md-hue), 75%, 90%, 0.12);\n --md-default-bg-color: hsla(var(--md-hue), 15%, 21%, 1);\n --md-default-bg-color--light: hsla(var(--md-hue), 15%, 21%, 0.54);\n --md-default-bg-color--lighter: hsla(var(--md-hue), 15%, 21%, 0.26);\n --md-default-bg-color--lightest: hsla(var(--md-hue), 15%, 21%, 0.07);\n\n // Code color shades\n --md-code-fg-color: hsla(var(--md-hue), 18%, 86%, 1);\n --md-code-bg-color: hsla(var(--md-hue), 15%, 15%, 1);\n\n // Code highlighting color shades\n --md-code-hl-color: hsla(#{hex2hsl($clr-blue-a200)}, 0.15);\n --md-code-hl-number-color: hsla(6, 74%, 63%, 1);\n --md-code-hl-special-color: hsla(340, 83%, 66%, 1);\n --md-code-hl-function-color: hsla(291, 57%, 65%, 1);\n --md-code-hl-constant-color: hsla(250, 62%, 70%, 1);\n --md-code-hl-keyword-color: hsla(219, 66%, 64%, 1);\n --md-code-hl-string-color: hsla(150, 58%, 44%, 1);\n --md-code-hl-name-color: var(--md-code-fg-color);\n --md-code-hl-operator-color: var(--md-default-fg-color--light);\n --md-code-hl-punctuation-color: var(--md-default-fg-color--light);\n --md-code-hl-comment-color: var(--md-default-fg-color--light);\n --md-code-hl-generic-color: var(--md-default-fg-color--light);\n --md-code-hl-variable-color: var(--md-default-fg-color--light);\n\n // Typeset color shades\n --md-typeset-color: var(--md-default-fg-color);\n\n // Typeset `a` color shades\n --md-typeset-a-color: var(--md-primary-fg-color);\n\n // Typeset `mark` color shades\n --md-typeset-mark-color: hsla(#{hex2hsl($clr-blue-a200)}, 0.3);\n\n // Typeset `kbd` color shades\n --md-typeset-kbd-color: hsla(var(--md-hue), 15%, 94%, 0.12);\n --md-typeset-kbd-accent-color: hsla(var(--md-hue), 15%, 94%, 0.2);\n --md-typeset-kbd-border-color: hsla(var(--md-hue), 15%, 14%, 1);\n\n // Typeset `table` color shades\n --md-typeset-table-color: hsla(var(--md-hue), 75%, 95%, 0.12);\n\n // Admonition color shades\n --md-admonition-bg-color: hsla(var(--md-hue), 0%, 100%, 0.025);\n\n // Footer color shades\n --md-footer-bg-color: hsla(var(--md-hue), 15%, 12%, 0.87);\n --md-footer-bg-color--dark: hsla(var(--md-hue), 15%, 10%, 1);\n\n // Black and white primary colors\n &[data-md-color-primary=\"black\"],\n &[data-md-color-primary=\"white\"] {\n\n // Typeset color shades\n --md-typeset-a-color: hsla(#{hex2hsl($clr-indigo-400)}, 1);\n }\n }\n}\n"]} \ No newline at end of file diff --git a/v7.0.1/favicon.png b/v7.0.1/favicon.png new file mode 100644 index 0000000..e81502d Binary files /dev/null and b/v7.0.1/favicon.png differ diff --git a/v7.0.1/index.html b/v7.0.1/index.html new file mode 100644 index 0000000..97161d0 --- /dev/null +++ b/v7.0.1/index.html @@ -0,0 +1,443 @@ + + + + + + + + + + + + + + + + + æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Introduction

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    Sophia is a functional language designed for smart contract development. It is strongly typed and has +restricted mutable state.

    +

    Sophia is customized for smart contracts, which can be published +to a blockchain. Thus some features of conventional +languages, such as floating point arithmetic, are not present in Sophia, and +some æternity blockchain specific primitives, constructions and types have been added.

    +
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    Note

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    • For rapid prototyping of smart contracts check out AEstudio!
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    • For playing around and diving deeper into the language itself check out the REPL!
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    + + + + + + + + \ No newline at end of file diff --git a/v7.0.1/search/search_index.json b/v7.0.1/search/search_index.json new file mode 100644 index 0000000..39bceb6 --- /dev/null +++ b/v7.0.1/search/search_index.json @@ -0,0 +1 @@ +{"config":{"indexing":"full","lang":["en"],"min_search_length":3,"prebuild_index":false,"separator":"[\\s\\-]+"},"docs":[{"location":"","text":"Introduction Sophia is a functional language designed for smart contract development. It is strongly typed and has restricted mutable state. Sophia is customized for smart contracts, which can be published to a blockchain. Thus some features of conventional languages, such as floating point arithmetic, are not present in Sophia, and some \u00e6ternity blockchain specific primitives, constructions and types have been added. Note For rapid prototyping of smart contracts check out AEstudio ! For playing around and diving deeper into the language itself check out the REPL !","title":"Introduction"},{"location":"#introduction","text":"Sophia is a functional language designed for smart contract development. It is strongly typed and has restricted mutable state. Sophia is customized for smart contracts, which can be published to a blockchain. Thus some features of conventional languages, such as floating point arithmetic, are not present in Sophia, and some \u00e6ternity blockchain specific primitives, constructions and types have been added. Note For rapid prototyping of smart contracts check out AEstudio ! For playing around and diving deeper into the language itself check out the REPL !","title":"Introduction"},{"location":"CHANGELOG/","text":"Changelog All notable changes to this project will be documented in this file. The format is based on Keep a Changelog , and this project adheres to Semantic Versioning . Unreleased Added Changed Removed Fixed 7.0.1 Added Add CONTRIBUTING.md file. Changed Update Sophia syntax docs to include missing information about existing syntax. Fixed 404 Contract polymorphism crashes on non-obvious child contract typing. 7.0.0 Added Added support for EXIT opcode via exit : (string) => 'a function (behaves same as ABORT , but consumes all gas). Compiler warnings for the following: shadowing, negative spends, division by zero, unused functions, unused includes, unused stateful annotations, unused variables, unused parameters, unused user-defined type, dead return value. The pipe operator |> [1, 2, 3] |> List.first |> Option.is_some // Option.is_some(List.first([1, 2, 3])) Allow binary operators to be used as lambdas function sum(l : list(int)) : int = foldl((+), 0, l) function logical_and(x, y) = (&&)(x, y) Contract interfaces polymorphism Changed Error messages have been restructured (less newlines) to provide more unified errors. Also pp_oneline/1 has been added. Ban empty record definitions (e.g. record r = {} would give an error). Removed Support for AEVM has been entirely wiped 6.1.0 - 2021-10-20 Added Bitwise stdlib Set stdlib Option.force_msg Loading namespaces into the current scope (e.g. using Pair ) Assign patterns to variables (e.g. let x::(t = y::_) = [1, 2, 3, 4] where t == [2, 3, 4] ) Add builtin types ( AENS.name, AENS.pointee, Chain.ttl, Chain.base_tx, Chain.ga_meta_tx, Chain.paying_for_tx ) to the calldata and result decoder Patterns guards switch(x) a::[] | a > 10 => 1 _ => 2 function f(a::[]) | a > 10 = 1 f(_) = 2 Changed Fixed the ACI renderer, it shouldn't drop the stateful modifier 6.0.2 2021-07-05 Changed List.from_to_step now forbids non-positive step (this change does not alter the behavior of the previously deployed contracts) Fixed leaking state between contracts 6.0.1 2021-06-24 Changed Fixed a bug in calldata encoding for contracts containing multiple contracts Fixed a missing include in the Frac standard library 6.0.0 2021-05-26 Added Child contracts Chain.clone Chain.create Chain.bytecode_hash Minor support for variadic functions void type that represents an empty type Call.fee builtin Changed Contract interfaces must be now invocated by contract interface keywords main keyword to indicate the main contract in case there are child contracts around List.sum and List.product no longer use List.foldl Removed 5.0.0 2021-04-30 Added A new and improved String standard library has been added. Use it by include \"String.aes\" . It includes functions for turning strings into lists of characters for detailed manipulation. For example: include \"String.aes\" contract C = entrypoint filter_all_a(s: string) : string = String.from_list(List.filter((c : char) => c != 'a', String.to_list(s))) will return a list with all a 's removed. There are also convenience functions split , concat , to_upper , to_lower , etc. All String functions in FATEv2 operate on unicode code points. - Operations for pairing-based cryptography has been added the operations are in the standard library BLS12_381 . With these operations it is possible to do Zero Knowledge-proofs, etc. The operations are for the BLS12-381 curve (as the name suggests). - Calls to functions in other contracts (i.e. remote calls ) can now be protected . If a contract call fails for any reason (for instance, the remote contract crashes or runs out of gas, or the entrypoint doesn't exist or has the wrong type) the parent call also fails. To make it possible to recover from failures, contract calls takes a named argument protected : bool (default false ). If protected = true the result of the contract call is wrapped in an option , and Some(value) indicates a succesful execution and None indicates that the contract call failed. Note: any gas consumed until the failure is still charged, but all side effects in the remote contract are rolled back on failure. - A new chain operation AENS.update is supported. - New chain exploring operations AENS.lookup and Oracle.expiry to look up an AENS record and the expiry of an Oracle respectively, are added. - Transaction introspection ( Auth.tx ) has been added. When a Generalized account is authorized, the authorization function needs access to the transaction (and the transaction hash) for the wrapped transaction. The transaction and the transaction hash is available Auth.tx , it is only available during authentication if invoked by a normal contract call it returns None . Example: switch(Auth.tx) None => abort(\"Not in Auth context\") Some(tx0) => switch(tx0.tx) Chain.SpendTx(_, amount, _) => amount > 400 Chain.ContractCallTx(_, _) => true _ => false - A debug mode is a added to the compiler. Right now its only use is to turn off hermetization. Changed The function Chain.block_hash(height) is now (in FATEv2) defined for the current height - this used to be an error. Standard library: Sort is optimized to do mergesort and a contains function is added. Improved type errors and explicit errors for some syntax errors (empty code blocks, etc.). Compiler optimization: The ACI is generated alongside bytecode. This means that multiple compiler passes can be avoided. Compiler optimization: Improved parsing (less stack used when transpiled). A bug where constraints were handled out of order fixed. Fixed calldata decoding for singleton records. Improved the documentation w.r.t. signatures, especially stressing the fact that the network ID is a part of what is signed. Removed 4.3.0 Added Added documentation (moved from protocol ) Frac.aes \u2013 library for rational numbers Added some more meaningful error messages Exported several parsing functionalities With option keep_included it is possible to see which files were included during the parse There is a function run_parser that be used to evaluate any parsing rule Exported parsers: body , type and decl Changed Performance improvements in the standard library Fixed ACI encoder to handle - unary operator Fixed including by absolute path Fixed variant type printing in the ACI error messages Fixed pretty printing of combined function clauses Removed let definitions are no longer supported in the toplevel of the contract type declarations are no longer supported 4.2.0 - 2020-01-15 Added Allow separate entrypoint/function type signature and definition, and pattern matching in left-hand sides: function length : list('a) => int length([]) = 0 length(x :: xs) = 1 + length(xs) Allow pattern matching in list comprehension generators (filtering out match failures): function somes(xs : list(option('a))) : list('a) = [ x | Some(x) <- xs ] Allow pattern matching in let-bindings (aborting on match failures): function test(m : map(int, int)) = let Some(x) = Map.lookup(m, 0) x Changed FATE code generator improvements. Bug fix: Handle qualified constructors in patterns. Bug fix: Allow switching also on negative numbers. Removed 4.1.0 - 2019-11-26 Added Support encoding and decoding bit fields in call arguments and results. Changed Various improvements to FATE code generator. Removed 4.0.0 - 2019-10-11 Added Address.to_contract - casts an address to a (any) contract type. Pragma to check compiler version, e.g. @compiler >= 4.0 . Handle numeric escapes, i.e. \"\\x19Ethereum Signed Message:\\n\" , and similar strings. Bytes.concat and Bytes.split are added to be able to (de-)construct byte arrays. [a..b] language construct, returning the list of numbers between a and b (inclusive). Returns the empty list if a > b . Standard libraries Checks that init is not called from other functions. FATE backend - the compiler is able to produce VM code for both AEVM and FATE . Many of the APIs now take {backend, aevm | fate} to decide wich backend to produce artifacts for. New builtin functions Crypto.ecrecover_secp256k1: (hash, bytes(65)) => option(bytes(20)) and Crypto.ecverify_secp256k1 : (hash, bytes(20), bytes(65)) => bool for recovering and verifying an Ethereum address for a message hash and a signature. Sophia supports list comprehensions known from languages like Python, Haskell or Erlang. Example syntax: [x + y | x <- [1,2,3,4,5], let k = x*x, if (k > 5), y <- [k, k+1, k+2]] // yields [12,13,14,20,21,22,30,31,32] A new contract, and endpoint, modifier payable is introduced. Contracts, and enpoints, that shall be able to receive funds should be marked as payable. Address.is_payable(a) can be used to check if an (contract) address is payable or not. Changed Nice type error if contract function is called as from a namespace. Fail on function definitions in contracts other than the main contract. Bug fix in variable optimization - don't discard writes to the store/state. Bug fixes in error reporting. Bug fix in variable liveness analysis for FATE. Error messages are changed into a uniform format, and more helpful messages have been added. Crypto. and String. for byte arrays now only hash the actual byte array - not the internal ABI format. More strict checks for polymorphic oracles and higher order oracles and entrypoints. AENS.claim is updated with a NameFee field - to be able to do name auctions within contracts. Fixed a bug in Bytes.to_str for AEVM. New syntax for tuple types. Now 0-tuple type is encoded as unit instead of () and regular tuples are encoded by interspersing inner types with * , for instance int * string . Parens are not necessary. Note it only affects the types, values remain as their were before, so (1, \"a\") : int * string The AENS.transfer and AENS.revoke functions have been updated to take a name string instead of a name hash . Fixed a bug where the AEVM backend complained about a missing init function when trying to generate calldata from an ACI-generated interface. Compiler now returns the ABI-version in the compiler result map. Renamed Crypto.ecverify and Crypto.ecverify_secp256k1 into Crypto.verify_sig and Crypto.verify_sig_secp256k1 respectively. Removed 3.2.0 - 2019-06-28 Added New builtin function require : (bool, string) => () . Defined as function require(b, err) = if(!b) abort(err) New builtin functions Bytes.to_str : bytes(_) => string Bytes.to_int : bytes(_) => int for converting a byte array to a hex string and interpreting it as a big-endian encoded integer respectively. Changed Public contract functions must now be declared as entrypoints : contract Example = // Exported entrypoint exported_fun(x) = local_fun(x) // Not exported function local_fun(x) = x Functions in namespaces still use function (and private function for private functions). The return type of Chain.block_hash(height) has changed, it used to be int , where 0 denoted an incorrect height. New return type is option(hash) , where None represents an incorrect height. Event name hashes now use BLAKE2b instead of Keccak256. Fixed bugs when defining record types in namespaces. Fixed a bug in include path handling when passing options to the compiler. Removed 3.1.0 - 2019-06-03 Added Changed Keyword indexed is now optional for word typed ( bool , int , address , ...) event arguments. State variable pretty printing now produce 'a, 'b, ... instead of '1, '2, ... . ACI is restructured and improved: state and event types (if present) now appear at the top level. Namespaces and remote interfaces are no longer ignored. All type definitions are included in the interface rendering. API functions are renamed, new functions are contract_interface and render_aci_json . Fixed a bug in create_calldata / to_sophia_value - it can now handle negative literals. Removed 3.0.0 - 2019-05-21 Added stateful annotations are now properly enforced. Functions must be marked stateful in order to update the state or spend tokens. Primitives Contract.creator , Address.is_contract , Address.is_oracle , Oracle.check and Oracle.check_query has been added to Sophia. A byte array type bytes(N) has been added to generalize hash (== bytes(32)) and signature (== bytes(64)) and allow for byte arrays of arbitrary fixed length. Crypto.ecverify_secp256k1 has been added. Changed Address literals (+ Oracle, Oracle query and remote contracts) have been changed from # to address as ak_ , oracle ok_ , oracle query oq_ and remote contract ct_ . The compilation and typechecking of letfun (e.g. let m(f, xs) = map(f, xs) ) was not working properly and has been fixed. Removed let rec has been removed from the language, it has never worked. The standalone CLI compiler is served in the repo aeternity/aesophia_cli and has been completely removed from aesophia . 2.1.0 - 2019-04-11 Added Stubs (not yet wired up) for compilation to FATE Add functions specific for Calldata decoding Support for Auth.tx_hash , not available in AEVM until Fortuna release Changed Improvements to the ACI generator 2.0.0 - 2019-03-11 Added Add Crypto.ecverify to the compiler. Add Crypto.sha3 , Crypto.blake2 , Crypto.sha256 , String.blake2 and String.sha256 to the compiler. Add the bits type for working with bit fields in Sophia. Add Namespaces to Sophia in order to simplify using library contracts, etc. Add a missig type check on the init function - detects programmer errors earlier. Add the ACI (Aeternity Contract Interface) generator. Changed Use native bit shift operations in builtin functions, reducing gas cost. Improve type checking of record fields - generates more understandable error messages. Improved, more coherent, error messages. Simplify calldata creation - instead of passing a compiled contract, simply pass a (stubbed) contract string.","title":"Changelog"},{"location":"CHANGELOG/#changelog","text":"All notable changes to this project will be documented in this file. The format is based on Keep a Changelog , and this project adheres to Semantic Versioning .","title":"Changelog"},{"location":"CHANGELOG/#unreleased","text":"","title":"Unreleased"},{"location":"CHANGELOG/#added","text":"","title":"Added"},{"location":"CHANGELOG/#changed","text":"","title":"Changed"},{"location":"CHANGELOG/#removed","text":"","title":"Removed"},{"location":"CHANGELOG/#fixed","text":"","title":"Fixed"},{"location":"CHANGELOG/#701","text":"","title":"7.0.1"},{"location":"CHANGELOG/#added_1","text":"Add CONTRIBUTING.md file.","title":"Added"},{"location":"CHANGELOG/#changed_1","text":"Update Sophia syntax docs to include missing information about existing syntax.","title":"Changed"},{"location":"CHANGELOG/#fixed_1","text":"404 Contract polymorphism crashes on non-obvious child contract typing.","title":"Fixed"},{"location":"CHANGELOG/#700","text":"","title":"7.0.0"},{"location":"CHANGELOG/#added_2","text":"Added support for EXIT opcode via exit : (string) => 'a function (behaves same as ABORT , but consumes all gas). Compiler warnings for the following: shadowing, negative spends, division by zero, unused functions, unused includes, unused stateful annotations, unused variables, unused parameters, unused user-defined type, dead return value. The pipe operator |> [1, 2, 3] |> List.first |> Option.is_some // Option.is_some(List.first([1, 2, 3])) Allow binary operators to be used as lambdas function sum(l : list(int)) : int = foldl((+), 0, l) function logical_and(x, y) = (&&)(x, y) Contract interfaces polymorphism","title":"Added"},{"location":"CHANGELOG/#changed_2","text":"Error messages have been restructured (less newlines) to provide more unified errors. Also pp_oneline/1 has been added. Ban empty record definitions (e.g. record r = {} would give an error).","title":"Changed"},{"location":"CHANGELOG/#removed_1","text":"Support for AEVM has been entirely wiped","title":"Removed"},{"location":"CHANGELOG/#610-2021-10-20","text":"","title":"6.1.0 - 2021-10-20"},{"location":"CHANGELOG/#added_3","text":"Bitwise stdlib Set stdlib Option.force_msg Loading namespaces into the current scope (e.g. using Pair ) Assign patterns to variables (e.g. let x::(t = y::_) = [1, 2, 3, 4] where t == [2, 3, 4] ) Add builtin types ( AENS.name, AENS.pointee, Chain.ttl, Chain.base_tx, Chain.ga_meta_tx, Chain.paying_for_tx ) to the calldata and result decoder Patterns guards switch(x) a::[] | a > 10 => 1 _ => 2 function f(a::[]) | a > 10 = 1 f(_) = 2","title":"Added"},{"location":"CHANGELOG/#changed_3","text":"Fixed the ACI renderer, it shouldn't drop the stateful modifier","title":"Changed"},{"location":"CHANGELOG/#602-2021-07-05","text":"","title":"6.0.2 2021-07-05"},{"location":"CHANGELOG/#changed_4","text":"List.from_to_step now forbids non-positive step (this change does not alter the behavior of the previously deployed contracts) Fixed leaking state between contracts","title":"Changed"},{"location":"CHANGELOG/#601-2021-06-24","text":"","title":"6.0.1 2021-06-24"},{"location":"CHANGELOG/#changed_5","text":"Fixed a bug in calldata encoding for contracts containing multiple contracts Fixed a missing include in the Frac standard library","title":"Changed"},{"location":"CHANGELOG/#600-2021-05-26","text":"","title":"6.0.0 2021-05-26"},{"location":"CHANGELOG/#added_4","text":"Child contracts Chain.clone Chain.create Chain.bytecode_hash Minor support for variadic functions void type that represents an empty type Call.fee builtin","title":"Added"},{"location":"CHANGELOG/#changed_6","text":"Contract interfaces must be now invocated by contract interface keywords main keyword to indicate the main contract in case there are child contracts around List.sum and List.product no longer use List.foldl","title":"Changed"},{"location":"CHANGELOG/#removed_2","text":"","title":"Removed"},{"location":"CHANGELOG/#500-2021-04-30","text":"","title":"5.0.0 2021-04-30"},{"location":"CHANGELOG/#added_5","text":"A new and improved String standard library has been added. Use it by include \"String.aes\" . It includes functions for turning strings into lists of characters for detailed manipulation. For example: include \"String.aes\" contract C = entrypoint filter_all_a(s: string) : string = String.from_list(List.filter((c : char) => c != 'a', String.to_list(s))) will return a list with all a 's removed. There are also convenience functions split , concat , to_upper , to_lower , etc. All String functions in FATEv2 operate on unicode code points. - Operations for pairing-based cryptography has been added the operations are in the standard library BLS12_381 . With these operations it is possible to do Zero Knowledge-proofs, etc. The operations are for the BLS12-381 curve (as the name suggests). - Calls to functions in other contracts (i.e. remote calls ) can now be protected . If a contract call fails for any reason (for instance, the remote contract crashes or runs out of gas, or the entrypoint doesn't exist or has the wrong type) the parent call also fails. To make it possible to recover from failures, contract calls takes a named argument protected : bool (default false ). If protected = true the result of the contract call is wrapped in an option , and Some(value) indicates a succesful execution and None indicates that the contract call failed. Note: any gas consumed until the failure is still charged, but all side effects in the remote contract are rolled back on failure. - A new chain operation AENS.update is supported. - New chain exploring operations AENS.lookup and Oracle.expiry to look up an AENS record and the expiry of an Oracle respectively, are added. - Transaction introspection ( Auth.tx ) has been added. When a Generalized account is authorized, the authorization function needs access to the transaction (and the transaction hash) for the wrapped transaction. The transaction and the transaction hash is available Auth.tx , it is only available during authentication if invoked by a normal contract call it returns None . Example: switch(Auth.tx) None => abort(\"Not in Auth context\") Some(tx0) => switch(tx0.tx) Chain.SpendTx(_, amount, _) => amount > 400 Chain.ContractCallTx(_, _) => true _ => false - A debug mode is a added to the compiler. Right now its only use is to turn off hermetization.","title":"Added"},{"location":"CHANGELOG/#changed_7","text":"The function Chain.block_hash(height) is now (in FATEv2) defined for the current height - this used to be an error. Standard library: Sort is optimized to do mergesort and a contains function is added. Improved type errors and explicit errors for some syntax errors (empty code blocks, etc.). Compiler optimization: The ACI is generated alongside bytecode. This means that multiple compiler passes can be avoided. Compiler optimization: Improved parsing (less stack used when transpiled). A bug where constraints were handled out of order fixed. Fixed calldata decoding for singleton records. Improved the documentation w.r.t. signatures, especially stressing the fact that the network ID is a part of what is signed.","title":"Changed"},{"location":"CHANGELOG/#removed_3","text":"","title":"Removed"},{"location":"CHANGELOG/#430","text":"","title":"4.3.0"},{"location":"CHANGELOG/#added_6","text":"Added documentation (moved from protocol ) Frac.aes \u2013 library for rational numbers Added some more meaningful error messages Exported several parsing functionalities With option keep_included it is possible to see which files were included during the parse There is a function run_parser that be used to evaluate any parsing rule Exported parsers: body , type and decl","title":"Added"},{"location":"CHANGELOG/#changed_8","text":"Performance improvements in the standard library Fixed ACI encoder to handle - unary operator Fixed including by absolute path Fixed variant type printing in the ACI error messages Fixed pretty printing of combined function clauses","title":"Changed"},{"location":"CHANGELOG/#removed_4","text":"let definitions are no longer supported in the toplevel of the contract type declarations are no longer supported","title":"Removed"},{"location":"CHANGELOG/#420-2020-01-15","text":"","title":"4.2.0 - 2020-01-15"},{"location":"CHANGELOG/#added_7","text":"Allow separate entrypoint/function type signature and definition, and pattern matching in left-hand sides: function length : list('a) => int length([]) = 0 length(x :: xs) = 1 + length(xs) Allow pattern matching in list comprehension generators (filtering out match failures): function somes(xs : list(option('a))) : list('a) = [ x | Some(x) <- xs ] Allow pattern matching in let-bindings (aborting on match failures): function test(m : map(int, int)) = let Some(x) = Map.lookup(m, 0) x","title":"Added"},{"location":"CHANGELOG/#changed_9","text":"FATE code generator improvements. Bug fix: Handle qualified constructors in patterns. Bug fix: Allow switching also on negative numbers.","title":"Changed"},{"location":"CHANGELOG/#removed_5","text":"","title":"Removed"},{"location":"CHANGELOG/#410-2019-11-26","text":"","title":"4.1.0 - 2019-11-26"},{"location":"CHANGELOG/#added_8","text":"Support encoding and decoding bit fields in call arguments and results.","title":"Added"},{"location":"CHANGELOG/#changed_10","text":"Various improvements to FATE code generator.","title":"Changed"},{"location":"CHANGELOG/#removed_6","text":"","title":"Removed"},{"location":"CHANGELOG/#400-2019-10-11","text":"","title":"4.0.0 - 2019-10-11"},{"location":"CHANGELOG/#added_9","text":"Address.to_contract - casts an address to a (any) contract type. Pragma to check compiler version, e.g. @compiler >= 4.0 . Handle numeric escapes, i.e. \"\\x19Ethereum Signed Message:\\n\" , and similar strings. Bytes.concat and Bytes.split are added to be able to (de-)construct byte arrays. [a..b] language construct, returning the list of numbers between a and b (inclusive). Returns the empty list if a > b . Standard libraries Checks that init is not called from other functions. FATE backend - the compiler is able to produce VM code for both AEVM and FATE . Many of the APIs now take {backend, aevm | fate} to decide wich backend to produce artifacts for. New builtin functions Crypto.ecrecover_secp256k1: (hash, bytes(65)) => option(bytes(20)) and Crypto.ecverify_secp256k1 : (hash, bytes(20), bytes(65)) => bool for recovering and verifying an Ethereum address for a message hash and a signature. Sophia supports list comprehensions known from languages like Python, Haskell or Erlang. Example syntax: [x + y | x <- [1,2,3,4,5], let k = x*x, if (k > 5), y <- [k, k+1, k+2]] // yields [12,13,14,20,21,22,30,31,32] A new contract, and endpoint, modifier payable is introduced. Contracts, and enpoints, that shall be able to receive funds should be marked as payable. Address.is_payable(a) can be used to check if an (contract) address is payable or not.","title":"Added"},{"location":"CHANGELOG/#changed_11","text":"Nice type error if contract function is called as from a namespace. Fail on function definitions in contracts other than the main contract. Bug fix in variable optimization - don't discard writes to the store/state. Bug fixes in error reporting. Bug fix in variable liveness analysis for FATE. Error messages are changed into a uniform format, and more helpful messages have been added. Crypto. and String. for byte arrays now only hash the actual byte array - not the internal ABI format. More strict checks for polymorphic oracles and higher order oracles and entrypoints. AENS.claim is updated with a NameFee field - to be able to do name auctions within contracts. Fixed a bug in Bytes.to_str for AEVM. New syntax for tuple types. Now 0-tuple type is encoded as unit instead of () and regular tuples are encoded by interspersing inner types with * , for instance int * string . Parens are not necessary. Note it only affects the types, values remain as their were before, so (1, \"a\") : int * string The AENS.transfer and AENS.revoke functions have been updated to take a name string instead of a name hash . Fixed a bug where the AEVM backend complained about a missing init function when trying to generate calldata from an ACI-generated interface. Compiler now returns the ABI-version in the compiler result map. Renamed Crypto.ecverify and Crypto.ecverify_secp256k1 into Crypto.verify_sig and Crypto.verify_sig_secp256k1 respectively.","title":"Changed"},{"location":"CHANGELOG/#removed_7","text":"","title":"Removed"},{"location":"CHANGELOG/#320-2019-06-28","text":"","title":"3.2.0 - 2019-06-28"},{"location":"CHANGELOG/#added_10","text":"New builtin function require : (bool, string) => () . Defined as function require(b, err) = if(!b) abort(err) New builtin functions Bytes.to_str : bytes(_) => string Bytes.to_int : bytes(_) => int for converting a byte array to a hex string and interpreting it as a big-endian encoded integer respectively.","title":"Added"},{"location":"CHANGELOG/#changed_12","text":"Public contract functions must now be declared as entrypoints : contract Example = // Exported entrypoint exported_fun(x) = local_fun(x) // Not exported function local_fun(x) = x Functions in namespaces still use function (and private function for private functions). The return type of Chain.block_hash(height) has changed, it used to be int , where 0 denoted an incorrect height. New return type is option(hash) , where None represents an incorrect height. Event name hashes now use BLAKE2b instead of Keccak256. Fixed bugs when defining record types in namespaces. Fixed a bug in include path handling when passing options to the compiler.","title":"Changed"},{"location":"CHANGELOG/#removed_8","text":"","title":"Removed"},{"location":"CHANGELOG/#310-2019-06-03","text":"","title":"3.1.0 - 2019-06-03"},{"location":"CHANGELOG/#added_11","text":"","title":"Added"},{"location":"CHANGELOG/#changed_13","text":"Keyword indexed is now optional for word typed ( bool , int , address , ...) event arguments. State variable pretty printing now produce 'a, 'b, ... instead of '1, '2, ... . ACI is restructured and improved: state and event types (if present) now appear at the top level. Namespaces and remote interfaces are no longer ignored. All type definitions are included in the interface rendering. API functions are renamed, new functions are contract_interface and render_aci_json . Fixed a bug in create_calldata / to_sophia_value - it can now handle negative literals.","title":"Changed"},{"location":"CHANGELOG/#removed_9","text":"","title":"Removed"},{"location":"CHANGELOG/#300-2019-05-21","text":"","title":"3.0.0 - 2019-05-21"},{"location":"CHANGELOG/#added_12","text":"stateful annotations are now properly enforced. Functions must be marked stateful in order to update the state or spend tokens. Primitives Contract.creator , Address.is_contract , Address.is_oracle , Oracle.check and Oracle.check_query has been added to Sophia. A byte array type bytes(N) has been added to generalize hash (== bytes(32)) and signature (== bytes(64)) and allow for byte arrays of arbitrary fixed length. Crypto.ecverify_secp256k1 has been added.","title":"Added"},{"location":"CHANGELOG/#changed_14","text":"Address literals (+ Oracle, Oracle query and remote contracts) have been changed from # to address as ak_ , oracle ok_ , oracle query oq_ and remote contract ct_ . The compilation and typechecking of letfun (e.g. let m(f, xs) = map(f, xs) ) was not working properly and has been fixed.","title":"Changed"},{"location":"CHANGELOG/#removed_10","text":"let rec has been removed from the language, it has never worked. The standalone CLI compiler is served in the repo aeternity/aesophia_cli and has been completely removed from aesophia .","title":"Removed"},{"location":"CHANGELOG/#210-2019-04-11","text":"","title":"2.1.0 - 2019-04-11"},{"location":"CHANGELOG/#added_13","text":"Stubs (not yet wired up) for compilation to FATE Add functions specific for Calldata decoding Support for Auth.tx_hash , not available in AEVM until Fortuna release","title":"Added"},{"location":"CHANGELOG/#changed_15","text":"Improvements to the ACI generator","title":"Changed"},{"location":"CHANGELOG/#200-2019-03-11","text":"","title":"2.0.0 - 2019-03-11"},{"location":"CHANGELOG/#added_14","text":"Add Crypto.ecverify to the compiler. Add Crypto.sha3 , Crypto.blake2 , Crypto.sha256 , String.blake2 and String.sha256 to the compiler. Add the bits type for working with bit fields in Sophia. Add Namespaces to Sophia in order to simplify using library contracts, etc. Add a missig type check on the init function - detects programmer errors earlier. Add the ACI (Aeternity Contract Interface) generator.","title":"Added"},{"location":"CHANGELOG/#changed_16","text":"Use native bit shift operations in builtin functions, reducing gas cost. Improve type checking of record fields - generates more understandable error messages. Improved, more coherent, error messages. Simplify calldata creation - instead of passing a compiled contract, simply pass a (stubbed) contract string.","title":"Changed"},{"location":"aeso_aci/","text":"aeso_aci Module aeso_aci The ACI interface encoder and decoder. Description This module provides an interface to generate and convert between Sophia contracts and a suitable JSON encoding of contract interface. As yet the interface is very basic. Encoding this contract: contract Answers = record state = { a : answers } type answers() = map(string, int) stateful function init() = { a = {} } private function the_answer() = 42 function new_answer(q : string, a : int) : answers() = { [q] = a } generates the following JSON structure representing the contract interface: { \"contract\" : { \"functions\" : [ { \"arguments\" : [], \"name\" : \"init\" , \"returns\" : \"Answers.state\" , \"stateful\" : true }, { \"arguments\" : [ { \"name\" : \"q\" , \"type\" : \"string\" }, { \"name\" : \"a\" , \"type\" : \"int\" } ], \"name\" : \"new_answer\" , \"returns\" : { \"map\" : [ \"string\" , \"int\" ] }, \"stateful\" : false } ], \"name\" : \"Answers\" , \"state\" : { \"record\" : [ { \"name\" : \"a\" , \"type\" : \"Answers.answers\" } ] }, \"type_defs\" : [ { \"name\" : \"answers\" , \"typedef\" : { \"map\" : [ \"string\" , \"int\" ] }, \"vars\" : [] } ] } } When that encoding is decoded the following include definition is generated: contract Answers = record state = {a : Answers.answers} type answers = map(string, int) function init : () => Answers.state function new_answer : (string, int) => map(string, int) Types - type aci_type () :: json | string . - type json () :: jsx : json_term (). - type json_text () :: binary (). Exports contract_interface(aci_type(), string()) -> {ok, json() | string()} | {error, term()} Generate the JSON encoding of the interface to a contract. The type definitions and non-private functions are included in the JSON string. render_aci_json(json() | json_text()) -> string(). Take a JSON encoding of a contract interface and generate a contract interface that can be included in another contract. Example run This is an example of using the ACI generator from an Erlang shell. The file called aci_test.aes contains the contract in the description from which we want to generate files aci_test.json which is the JSON encoding of the contract interface and aci_test.include which is the contract definition to be included inside another contract. 1 > { ok , Contract } = file : read_file ( \"aci_test.aes\" ). { ok , << \"contract Answers = \\n record state = { a : answers } \\n type answers() = map(string, int) \\n\\n stateful function\" ... >> } 2 > { ok , JsonACI } = aeso_aci : contract_interface ( json , Contract ). { ok ,[#{ contract => #{ functions => [#{ arguments => [], name => << \"init\" >> , returns => << \"Answers.state\" >> , stateful => true }, #{ arguments => [#{ name => << \"q\" >> , type => << \"string\" >> }, #{ name => << \"a\" >> , type => << \"int\" >> }], name => << \"new_answer\" >> , returns => #{ << \"map\" >> => [ << \"string\" >> , << \"int\" >> ]}, stateful => false }], name => << \"Answers\" >> , state => #{ record => [#{ name => << \"a\" >> , type => << \"Answers.answers\" >> }]}, type_defs => [#{ name => << \"answers\" >> , typedef => #{ << \"map\" >> => [ << \"string\" >> , << \"int\" >> ]}, vars => []}]}}]} 3 > file : write_file ( \"aci_test.aci\" , jsx : encode ( JsonACI )). ok 4 > { ok , InterfaceStub } = aeso_aci : render_aci_json ( JsonACI ). { ok , << \"contract Answers = \\n record state = {a : Answers.answers} \\n type answers = map(string, int) \\n function init \" ... >> } 5 > file : write_file ( \"aci_test.include\" , InterfaceStub ). ok 6 > jsx : prettify ( jsx : encode ( JsonACI )). << \"[ \\n { \\n \\\" contract \\\" : { \\n \\\" functions \\\" : [ \\n { \\n \\\" arguments \\\" : [], \\n \\\" name \\\" : \\\" init \\\" , \\n \" ... >> The final call to jsx:prettify(jsx:encode(JsonACI)) returns the encoding in a more easily readable form. This is what is shown in the description above.","title":"aeso_aci"},{"location":"aeso_aci/#aeso_aci","text":"","title":"aeso_aci"},{"location":"aeso_aci/#module","text":"","title":"Module"},{"location":"aeso_aci/#aeso_aci_1","text":"The ACI interface encoder and decoder.","title":"aeso_aci"},{"location":"aeso_aci/#description","text":"This module provides an interface to generate and convert between Sophia contracts and a suitable JSON encoding of contract interface. As yet the interface is very basic. Encoding this contract: contract Answers = record state = { a : answers } type answers() = map(string, int) stateful function init() = { a = {} } private function the_answer() = 42 function new_answer(q : string, a : int) : answers() = { [q] = a } generates the following JSON structure representing the contract interface: { \"contract\" : { \"functions\" : [ { \"arguments\" : [], \"name\" : \"init\" , \"returns\" : \"Answers.state\" , \"stateful\" : true }, { \"arguments\" : [ { \"name\" : \"q\" , \"type\" : \"string\" }, { \"name\" : \"a\" , \"type\" : \"int\" } ], \"name\" : \"new_answer\" , \"returns\" : { \"map\" : [ \"string\" , \"int\" ] }, \"stateful\" : false } ], \"name\" : \"Answers\" , \"state\" : { \"record\" : [ { \"name\" : \"a\" , \"type\" : \"Answers.answers\" } ] }, \"type_defs\" : [ { \"name\" : \"answers\" , \"typedef\" : { \"map\" : [ \"string\" , \"int\" ] }, \"vars\" : [] } ] } } When that encoding is decoded the following include definition is generated: contract Answers = record state = {a : Answers.answers} type answers = map(string, int) function init : () => Answers.state function new_answer : (string, int) => map(string, int)","title":"Description"},{"location":"aeso_aci/#types","text":"- type aci_type () :: json | string . - type json () :: jsx : json_term (). - type json_text () :: binary ().","title":"Types"},{"location":"aeso_aci/#exports","text":"","title":"Exports"},{"location":"aeso_aci/#example-run","text":"This is an example of using the ACI generator from an Erlang shell. The file called aci_test.aes contains the contract in the description from which we want to generate files aci_test.json which is the JSON encoding of the contract interface and aci_test.include which is the contract definition to be included inside another contract. 1 > { ok , Contract } = file : read_file ( \"aci_test.aes\" ). { ok , << \"contract Answers = \\n record state = { a : answers } \\n type answers() = map(string, int) \\n\\n stateful function\" ... >> } 2 > { ok , JsonACI } = aeso_aci : contract_interface ( json , Contract ). { ok ,[#{ contract => #{ functions => [#{ arguments => [], name => << \"init\" >> , returns => << \"Answers.state\" >> , stateful => true }, #{ arguments => [#{ name => << \"q\" >> , type => << \"string\" >> }, #{ name => << \"a\" >> , type => << \"int\" >> }], name => << \"new_answer\" >> , returns => #{ << \"map\" >> => [ << \"string\" >> , << \"int\" >> ]}, stateful => false }], name => << \"Answers\" >> , state => #{ record => [#{ name => << \"a\" >> , type => << \"Answers.answers\" >> }]}, type_defs => [#{ name => << \"answers\" >> , typedef => #{ << \"map\" >> => [ << \"string\" >> , << \"int\" >> ]}, vars => []}]}}]} 3 > file : write_file ( \"aci_test.aci\" , jsx : encode ( JsonACI )). ok 4 > { ok , InterfaceStub } = aeso_aci : render_aci_json ( JsonACI ). { ok , << \"contract Answers = \\n record state = {a : Answers.answers} \\n type answers = map(string, int) \\n function init \" ... >> } 5 > file : write_file ( \"aci_test.include\" , InterfaceStub ). ok 6 > jsx : prettify ( jsx : encode ( JsonACI )). << \"[ \\n { \\n \\\" contract \\\" : { \\n \\\" functions \\\" : [ \\n { \\n \\\" arguments \\\" : [], \\n \\\" name \\\" : \\\" init \\\" , \\n \" ... >> The final call to jsx:prettify(jsx:encode(JsonACI)) returns the encoding in a more easily readable form. This is what is shown in the description above.","title":"Example run"},{"location":"aeso_compiler/","text":"aeso_compiler Module aeso_compiler The Sophia compiler Description This module provides the interface to the standard Sophia compiler. It returns the compiled module in a map which can then be loaded. Types contract_string () = string () | binary () contract_map () = #{ bytecode => binary (), compiler_version => binary (), contract_souce => string (), type_info => type_info ()} type_info () errorstring () = binary () Exports file(File) file(File, Options) -> CompRet from_string(ContractString, Options) -> CompRet Types ContractString = contract_string () Options = [ Option ] CompRet = { ok , ContractMap } | { error , ErrorString } ContractMap = contract_map () ErrorString = errorstring () Compile a contract defined in a file or in a string. The pp_ options all print to standard output the following: pp_sophia_code - print the input Sophia code. pp_ast - print the AST of the code pp_types - print information about the types pp_typed_ast - print the AST with type information at each node pp_assembler - print the generated assembler code check_call(ContractString, Options) -> CheckRet Types ContractString = string() | binary() CheckRet = {ok,string(),{Types,Type | any()},Terms} | {error,Term} Types = [Type] Type = term() Check a call in contract through the __call function. version() -> {ok, Version} | {error, term()} Types Version = binary () Get the current version of the Sophia compiler.","title":"aeso_compiler"},{"location":"aeso_compiler/#aeso_compiler","text":"","title":"aeso_compiler"},{"location":"aeso_compiler/#module","text":"","title":"Module"},{"location":"aeso_compiler/#aeso_compiler_1","text":"The Sophia compiler","title":"aeso_compiler"},{"location":"aeso_compiler/#description","text":"This module provides the interface to the standard Sophia compiler. It returns the compiled module in a map which can then be loaded.","title":"Description"},{"location":"aeso_compiler/#types","text":"contract_string () = string () | binary () contract_map () = #{ bytecode => binary (), compiler_version => binary (), contract_souce => string (), type_info => type_info ()} type_info () errorstring () = binary ()","title":"Types"},{"location":"aeso_compiler/#exports","text":"","title":"Exports"},{"location":"sophia/","text":"This file has been moved here","title":"Sophia"},{"location":"sophia_examples/","text":"Contract examples Crowdfunding /* * A simple crowd-funding example */ contract FundMe = record spend_args = { recipient : address , amount : int } record state = { contributions : map ( address , int ), total : int , beneficiary : address , deadline : int , goal : int } stateful function spend ( args : spend_args ) = Chain . spend ( args . recipient , args . amount ) entrypoint init ( beneficiary , deadline , goal ) : state = { contributions = {}, beneficiary = beneficiary , deadline = deadline , total = 0 , goal = goal } function is_contributor ( addr ) = Map . member ( addr , state . contributions ) stateful entrypoint contribute () = if ( Chain . block_height >= state . deadline ) spend ({ recipient = Call . caller , amount = Call . value }) // Refund money false else let amount = switch ( Map . lookup ( Call . caller , state . contributions )) None => Call . value Some ( n ) => n + Call . value put ( state { contributions [ Call . caller ] = amount , total @ tot = tot + Call . value }) true stateful entrypoint withdraw () = if ( Chain . block_height < state . deadline ) abort ( \"Cannot withdraw before deadline\" ) if ( Call . caller == state . beneficiary ) withdraw_beneficiary () elif ( is_contributor ( Call . caller )) withdraw_contributor () else abort ( \"Not a contributor or beneficiary\" ) stateful function withdraw_beneficiary () = require ( state . total >= state . goal , \"Project was not funded\" ) spend ({ recipient = state . beneficiary , amount = Contract . balance }) stateful function withdraw_contributor () = if ( state . total >= state . goal ) abort ( \"Project was funded\" ) let to = Call . caller spend ({ recipient = to , amount = state . contributions [ to ]}) put ( state { contributions @ c = Map . delete ( to , c ) }) Repositories This is a list with repositories that include smart contracts written in Sophia: aepp-sophia-examples A repository that contains lots of different examples. The functionality of these examples is - to some extent - also covered by tests written in JavaScript.","title":"Contract examples"},{"location":"sophia_examples/#contract-examples","text":"","title":"Contract examples"},{"location":"sophia_examples/#crowdfunding","text":"/* * A simple crowd-funding example */ contract FundMe = record spend_args = { recipient : address , amount : int } record state = { contributions : map ( address , int ), total : int , beneficiary : address , deadline : int , goal : int } stateful function spend ( args : spend_args ) = Chain . spend ( args . recipient , args . amount ) entrypoint init ( beneficiary , deadline , goal ) : state = { contributions = {}, beneficiary = beneficiary , deadline = deadline , total = 0 , goal = goal } function is_contributor ( addr ) = Map . member ( addr , state . contributions ) stateful entrypoint contribute () = if ( Chain . block_height >= state . deadline ) spend ({ recipient = Call . caller , amount = Call . value }) // Refund money false else let amount = switch ( Map . lookup ( Call . caller , state . contributions )) None => Call . value Some ( n ) => n + Call . value put ( state { contributions [ Call . caller ] = amount , total @ tot = tot + Call . value }) true stateful entrypoint withdraw () = if ( Chain . block_height < state . deadline ) abort ( \"Cannot withdraw before deadline\" ) if ( Call . caller == state . beneficiary ) withdraw_beneficiary () elif ( is_contributor ( Call . caller )) withdraw_contributor () else abort ( \"Not a contributor or beneficiary\" ) stateful function withdraw_beneficiary () = require ( state . total >= state . goal , \"Project was not funded\" ) spend ({ recipient = state . beneficiary , amount = Contract . balance }) stateful function withdraw_contributor () = if ( state . total >= state . goal ) abort ( \"Project was funded\" ) let to = Call . caller spend ({ recipient = to , amount = state . contributions [ to ]}) put ( state { contributions @ c = Map . delete ( to , c ) })","title":"Crowdfunding"},{"location":"sophia_examples/#repositories","text":"This is a list with repositories that include smart contracts written in Sophia: aepp-sophia-examples A repository that contains lots of different examples. The functionality of these examples is - to some extent - also covered by tests written in JavaScript.","title":"Repositories"},{"location":"sophia_features/","text":"Features Contracts The main unit of code in Sophia is the contract . A contract implementation, or simply a contract, is the code for a smart contract and consists of a list of types, entrypoints and local functions. Only the entrypoints can be called from outside the contract. A contract instance is an entity living on the block chain (or in a state channel). Each instance has an address that can be used to call its entrypoints, either from another contract or in a call transaction. A contract may define a type state encapsulating its local state. When creating a new contract the init entrypoint is executed and the state is initialized to its return value. The language offers some primitive functions to interact with the blockchain and contracts. Please refer to the Chain , Contract and the Call namespaces in the documentation. Calling other contracts To call a function in another contract you need the address to an instance of the contract. The type of the address must be a contract type, which consists of a number of type definitions and entrypoint declarations. For instance, // A contract type contract interface VotingType = entrypoint vote : string => unit Now given contract address of type VotingType you can call the vote entrypoint of that contract: contract VoteTwice = entrypoint voteTwice ( v : VotingType , alt : string ) = v . vote ( alt ) v . vote ( alt ) Contract calls take two optional named arguments gas : int and value : int that lets you set a gas limit and provide tokens to a contract call. If omitted the defaults are no gas limit and no tokens. Suppose there is a fee for voting: entrypoint voteTwice ( v : VotingType , fee : int , alt : string ) = v . vote ( value = fee , alt ) v . vote ( value = fee , alt ) Named arguments can be given in any order. Note that reentrant calls are not permitted. In other words, when calling another contract it cannot call you back (directly or indirectly). To construct a value of a contract type you can give a contract address literal (for instance ct_2gPXZnZdKU716QBUFKaT4VdBZituK93KLvHJB3n4EnbrHHw4Ay ), or convert an account address to a contract address using Address.to_contract . Note that if the contract does not exist, or it doesn't have the entrypoint, or the type of the entrypoint does not match the stated contract type, the call fails. To recover the underlying address of a contract instance there is a field address : address . For instance, to send tokens to the voting contract (given that it is payable) without calling it you can write entrypoint pay ( v : VotingType , amount : int ) = Chain . spend ( v . address , amount ) Protected contract calls If a contract call fails for any reason (for instance, the remote contract crashes or runs out of gas, or the entrypoint doesn't exist or has the wrong type) the parent call also fails. To make it possible to recover from failures, contract calls takes a named argument protected : bool (default false ). The protected argument must be a literal boolean, and when set to true changes the type of the contract call, wrapping the result in an option type. If the call fails the result is None , otherwise it's Some(r) where r is the return value of the call. contract interface VotingType = entrypoint : vote : string => unit contract Voter = entrypoint tryVote ( v : VotingType , alt : string ) = switch ( v . vote ( alt , protected = true ) : option ( unit )) None => \"Voting failed\" Some ( _ ) => \"Voting successful\" Any gas that was consumed by the contract call before the failure stays consumed, which means that in order to protect against the remote contract running out of gas it is necessary to set a gas limit using the gas argument. However, note that errors that would normally consume all the gas in the transaction still only uses up the gas spent running the contract. Any side effects (state change, token transfers, etc.) made by a failing protected call is rolled back, just like they would be in the unprotected case. Contract factories and child contracts Since the version 6.0.0 Sophia supports deploying contracts by other contracts. This can be done in two ways: Contract cloning via Chain.clone Direct deploy via Chain.create These functions take variable number of arguments that must match the created contract's init function. Beside that they take some additional named arguments \u2013 please refer to their documentation for the details. While Chain.clone requires only a contract interface and a living instance of a given contract on the chain, Chain.create needs a full definition of a to-create contract defined by the standard contract syntax, for example contract IntHolder = type state = int entrypoint init ( x ) = x entrypoint get () = state main contract IntHolderFactory = stateful entrypoint new ( x : int ) : IntHolder = let ih = Chain . create ( x ) : IntHolder ih In case of a presence of child contracts ( IntHolder in this case), the main contract must be pointed out with the main keyword as shown in the example. Contract interfaces and polymorphism Contracts can implement one or multiple interfaces, the contract has to define every entrypoint from the implemented interface and the entrypoints in both the contract and implemented interface should have compatible types. contract interface Animal = entrypoint sound : () => string contract Cat : Animal = entrypoint sound() = \"Cat sound\" Contract interfaces can extend other interfaces. An extended interface has to declare all entrypoints from every parent interface. All the declarations in the extended interface must have types compatible with the declarations from the parent interface. contract interface II = entrypoint f : () => unit contract interface I : II = entrypoint f : () => unit entrypoint g : () => unit contract C : I = entrypoint f() = () entrypoint g() = () It is only possible to implement (or extend) an interface that has been already defined earlier in the file (or in an included file). Therefore recursive interface implementation is not allowed in Sophia. // The following code would show an error contract interface X : Z = entrypoint x : () => int contract interface Y : X = entrypoint x : () => int entrypoint y : () => int contract interface Z : Y = entrypoint x : () => int entrypoint y : () => int entrypoint z : () => int contract C : Z = entrypoint x() = 1 entrypoint y() = 1 entrypoint z() = 1 Subtyping and variance Subtyping in Sophia follows common rules that take type variance into account. As described by Wikipedia , Variance refers to how subtyping between more complex types relates to subtyping between their components. This concept plays an important role in complex types such as tuples, datatype s and functions. Depending on the context, it can apply to positions in the structure of a type, or type parameters of generic types. There are four kinds of variances: covariant contravariant invariant bivariant A type is said to be on a \"covariant\" position when it describes output or a result of some computation. Analogously, position is \"contravariant\" when it is an input, or a parameter. Intuitively, when a part of the type is produced by values of it, it is covariant. When it is consumed, it is contravariant. When a type appears to be simultaneously input and output, it is described as invariant. If a type is neither of those (that is, it's unused) it's bivariant. Furthermore, whenever a complex type appears on a contravariant position, all its covariant components become contravariant and vice versa. Variance influences how subtyping is applied. Types on covariant positions are subtyped normally, while contravariant the opposite way. Invariant types have to be exactly the same in order for subtyping to work. Bivariant types are always compatible. A good example of where it matters can be pictured by subtyping of function types. Let us assume there is a contract interface Animal and two contracts that implement it: Dog and Cat . contract interface Animal = entrypoint age : () => int contract Dog : Animal = entrypoint age () = // ... entrypoint woof () = \"woof\" contract Cat : Animal = entrypoint age () = // ... entrypoint meow () = \"meow\" The assumption of this exercise is that cats do not bark (because Cat does not define the woof entrypoint). If subtyping rules were applied naively, that is if we let Dog => Dog be a subtype of Animal => Animal , the following code would break: let f : ( Dog ) => string = d => d . woof () let g : ( Animal ) => string = f let c : Cat = Chain . create () g ( c ) // Cat barking! That is because arguments of functions are contravariant, as opposed to return the type which is covariant. Because of that, the assignment of f to g is invalid - while Dog is a subtype of Animal , Dog => string is not a subtype of Animal => string . However, Animal => string is a subtype of Dog => string . More than that, (Dog => Animal) => Dog is a subtype of (Animal => Dog) => Animal . This has consequences on how user-defined generic types work. A type variable gains its variance from its role in the type definition as shown in the example: datatype co ( 'a ) = Co ( 'a ) // co is covariant on 'a datatype ct ( 'a ) = Ct ( 'a => unit ) // ct is contravariant on 'a datatype in ( 'a ) = In ( 'a => 'a ) // in is invariant on 'a datatype bi ( 'a ) = Bi // bi is bivariant on 'a The following facts apply here: co('a) is a subtype of co('b) when 'a is a subtype of 'b` ct('a) is a subtype of ct('b) when 'b is a subtype of 'a` in('a) is a subtype of in('b) when 'a is equal to 'b` bi('a) is a subtype of `bi('b) always That altogether induce the following rules of subtyping in Sophia: A function type (Args1) => Ret1 is a subtype of (Args2) => Ret2 when Ret1 is a subtype of Ret2 and each argument type from Args2 is a subtype of its counterpart in Args1 . A list type list(A) is a subtype of list(B) if A is a subtype of B . An option type option(A) is a subtype of option(B) if A is a subtype of B . A map type map(A1, A2) is a subtype of map(B1, B2) if A1 is a subtype of B1 , and A2 is a subtype of B2 . An oracle type oracle(A1, A2) is a subtype of oracle(B1, B2) if B1 is a subtype of A1 , and A2 is a subtype of B2 . An oracle_query type oracle_query(A1, A2) is a subtype of oracle_query(B1, B2) if A1 is a subtype of B1 , and A2 is a subtype of B2 . A user-defined datatype t(Args1) is a subtype of t(Args2) When a user-defined type t('a) is covariant in 'a , then t(A) is a subtype of t(B) when A is a subtype of B . When a user-defined type t('a) is contravariant in 'a , then t(A) is a subtype of t(B) when B is a subtype of A . When a user-defined type t('a) is binvariant in 'a , then t(A) is a subtype of t(B) when either A is a subtype of B or when B is a subtype of A . When a user-defined type t('a) is invariant in 'a , then t(A) can never be a subtype of t(B) . Mutable state Sophia does not have arbitrary mutable state, but only a limited form of state associated with each contract instance. Each contract defines a type state encapsulating its mutable state. The type state defaults to the unit . The initial state of a contract is computed by the contract's init function. The init function is pure and returns the initial state as its return value. If the type state is unit , the init function defaults to returning the value () . At contract creation time, the init function is executed and its result is stored as the contract state. The value of the state is accessible from inside the contract through an implicitly bound variable state . State updates are performed by calling a function put : state => unit . Aside from the put function (and similar functions for transactions and events), the language is purely functional. Functions modifying the state need to be annotated with the stateful keyword (see below). To make it convenient to update parts of a deeply nested state Sophia provides special syntax for map/record updates. Stateful functions Top-level functions and entrypoints must be annotated with the stateful keyword to be allowed to affect the state of the running contract. For instance, stateful entrypoint set_state ( s : state ) = put ( s ) Without the stateful annotation the compiler does not allow the call to put . A stateful annotation is required to Use a stateful primitive function. These are put Chain.spend Oracle.register Oracle.query Oracle.respond Oracle.extend AENS.preclaim AENS.claim AENS.transfer AENS.revoke AENS.update Call a stateful function in the current contract Call another contract with a non-zero value argument. A stateful annotation is not required to Read the contract state. Issue an event using the event function. Call another contract with value = 0 , even if the called function is stateful. Payable Payable contracts A concrete contract is by default not payable. Any attempt at spending to such a contract (either a Chain.spend or a normal spend transaction) will fail. If a contract shall be able to receive funds in this way it has to be declared payable : // A payable contract payable contract ExampleContract = stateful entrypoint do_stuff () = ... If in doubt, it is possible to check if an address is payable using Address.is_payable(addr) . Payable entrypoints A contract entrypoint is by default not payable. Any call to such a function (either a Remote call or a contract call transaction) that has a non-zero value will fail. Contract entrypoints that should be called with a non-zero value should be declared payable . payable stateful entrypoint buy ( to : address ) = if ( Call . value > 42 ) transfer_item ( to ) else abort ( \"Value too low\" ) Namespaces Code can be split into libraries using the namespace construct. Namespaces can appear at the top-level and can contain type and function definitions, but not entrypoints. Outside the namespace you can refer to the (non-private) names by qualifying them with the namespace ( Namespace.name ). For example, namespace Library = type number = int function inc ( x : number ) : number = x + 1 contract MyContract = entrypoint plus2 ( x ) : Library . number = Library . inc ( Library . inc ( x )) Functions in namespaces have access to the same environment (including the Chain , Call , and Contract , builtin namespaces) as function in a contract, with the exception of state , put and Chain.event since these are dependent on the specific state and event types of the contract. To avoid mentioning the namespace every time it is used, Sophia allows including the namespace in the current scope with the using keyword: include \"Pair.aes\" using Pair contract C = type state = int entrypoint init() = let p = (1, 2) fst(p) // this is the same as Pair.fst(p) It is also possible to make an alias for the namespace with the as keyword: include \"Pair.aes\" contract C = using Pair as P type state = int entrypoint init() = let p = (1, 2) P.fst(p) // this is the same as Pair.fst(p) Having the same alias for multiple namespaces is possible and it allows referening functions that are defined in different namespaces and have different names with the same alias: namespace Xa = function f() = 1 namespace Xb = function g() = 2 contract Cntr = using Xa as A using Xb as A type state = int entrypoint init() = A.f() + A.g() Note that using functions with the same name would result in an ambiguous name error: namespace Xa = function f() = 1 namespace Xb = function f() = 2 contract Cntr = using Xa as A using Xb as A type state = int // the next line has an error because f is defined in both Xa and Xb entrypoint init() = A.f() Importing specific parts of a namespace or hiding these parts can also be done like this: using Pair for [fst, snd] // this will only import fst and snd using Triple hiding [fst, snd] // this will import everything except for fst and snd Note that it is possible to use a namespace in the top level of the file, in the contract level, namespace level, or in the function level. Splitting code over multiple files Code from another file can be included in a contract using an include statement. These must appear at the top-level (outside the main contract). The included file can contain one or more namespaces and abstract contracts. For example, if the file library.aes contains namespace Library = function inc ( x ) = x + 1 you can use it from another file using an include : include \"library.aes\" contract MyContract = entrypoint plus2 ( x ) = Library . inc ( Library . inc ( x )) This behaves as if the contents of library.aes was textually inserted into the file, except that error messages will refer to the original source locations. The language will try to include each file at most one time automatically, so even cyclic includes should be working without any special tinkering. Standard library Sophia offers standard library which exposes some primitive operations and some higher level utilities. The builtin namespaces like Chain , Contract , Map are included by default and are supported internally by the compiler. Others like List , Frac , Option need to be manually included using the include directive. For example include \"List.aes\" include \"Pair.aes\" -- Map is already there ! namespace C = entrypoint keys ( m : map ( 'a , 'b )) : list ( 'a ) = List . map ( Pair . fst , ( Map . to_list ( m ))) Types Sophia has the following types: Type Description Example int A 2-complement integer -1 address \u00e6ternity address, 32 bytes Call.origin bool A Boolean true bits A bit field Bits.none bytes(n) A byte array with n bytes #fedcba9876543210 string An array of bytes \"Foo\" list A homogeneous immutable singly linked list. [1, 2, 3] ('a, 'b) => 'c A function. Parentheses can be skipped if there is only one argument (x : int, y : int) => x + y tuple An ordered heterogeneous array (42, \"Foo\", true) record An immutable key value store with fixed key names and typed values record balance = { owner: address, value: int } map An immutable key value store with dynamic mapping of keys of one type to values of one type type accounts = map(string, address) option('a) An optional value either None or Some('a) Some(42) state A user defined type holding the contract state record state = { owner: address, magic_key: bytes(4) } event An append only list of blockchain events (or log entries) datatype event = EventX(indexed int, string) hash A 32-byte hash - equivalent to bytes(32) signature A signature - equivalent to bytes(64) Chain.ttl Time-to-live (fixed height or relative to current block) FixedTTL(1050) RelativeTTL(50) oracle('a, 'b) And oracle answering questions of type 'a with answers of type 'b Oracle.register(acct, qfee, ttl) oracle_query('a, 'b) A specific oracle query Oracle.query(o, q, qfee, qttl, rttl) contract A user defined, typed, contract address function call_remote(r : RemoteContract) = r.fun() Literals Type Constant/Literal example(s) int -1 , 2425 , 4598275923475723498573485768 address ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt bool true , false bits Bits.none , Bits.all bytes(8) #fedcba9876543210 string \"This is a string\" list [1, 2, 3] , [(true, 24), (false, 19), (false, -42)] tuple (42, \"Foo\", true) record { owner = Call.origin, value = 100000000 } map {[\"foo\"] = 19, [\"bar\"] = 42} , {} option(int) Some(42) , None state state{ owner = Call.origin, magic_key = #a298105f } event EventX(0, \"Hello\") hash #000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f signature #000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f Chain.ttl FixedTTL(1050) , RelativeTTL(50) oracle('a, 'b) ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 oracle_query('a, 'b) oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY contract ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ Arithmetic Sophia integers ( int ) are represented by arbitrary-sized signed words and support the following arithmetic operations: - addition ( x + y ) - subtraction ( x - y ) - multiplication ( x * y ) - division ( x / y ), truncated towards zero - remainder ( x mod y ), satisfying y * (x / y) + x mod y == x for non-zero y - exponentiation ( x ^ y ) All operations are safe with respect to overflow and underflow. The division and modulo operations throw an arithmetic error if the right-hand operand is zero. Bit fields Sophia integers do not support bit arithmetic. Instead there is a separate type bits . See the standard library documentation . A bit field can be of arbitrary size (but it is still represented by the corresponding integer, so setting very high bits can be expensive). Type aliases Type aliases can be introduced with the type keyword and can be parameterized. For instance type number = int type string_map ( 'a ) = map ( string , 'a ) A type alias and its definition can be used interchangeably. Sophia does not support higher-kinded types, meaning that following type alias is invalid: type wrap('f, 'a) = 'f('a) Algebraic data types Sophia supports algebraic data types (variant types) and pattern matching. Data types are declared by giving a list of constructors with their respective arguments. For instance, datatype one_or_both ( 'a , 'b ) = Left ( 'a ) | Right ( 'b ) | Both ( 'a , 'b ) Elements of data types can be pattern matched against, using the switch construct: function get_left ( x : one_or_both ( 'a , 'b )) : option ( 'a ) = switch ( x ) Left ( x ) => Some ( x ) Right ( _ ) => None Both ( x , _ ) => Some ( x ) or directly in the left-hand side: function get_left : one_or_both ( 'a , 'b ) => option ( 'a ) get_left ( Left ( x )) = Some ( x ) get_left ( Right ( _ )) = None get_left ( Both ( x , _ )) = Some ( x ) NOTE: Data types cannot currently be recursive. Sophia also supports the assignment of patterns to variables: function f ( x ) = switch ( x ) h1 :: ( t = h2 :: _ ) => ( h1 + h2 ) :: t // same as `h1::h2::k => (h1 + h2)::h2::k` _ => x function g ( p : int * option ( int )) : int = let ( a , ( o = Some ( b ))) = p // o is equal to Pair.snd(p) b Guards are boolean expressions that can be used on patterns in both switch statements and functions definitions. If a guard expression evaluates to true , then the corresponding body will be used. Otherwise, the next pattern will be checked: function get_left_if_positive ( x : one_or_both ( int , 'b )) : option ( int ) = switch ( x ) Left ( x ) | x > 0 => Some ( x ) Both ( x , _ ) | x > 0 => Some ( x ) _ => None function get_left_if_positive : one_or_both ( int , 'b ) => option ( int ) get_left_if_positive ( Left ( x )) | x > 0 = Some ( x ) get_left_if_positive ( Both ( x , _ )) | x > 0 = Some ( x ) get_left_if_positive ( _ ) = None Guards cannot be stateful even when used inside a stateful function. Lists A Sophia list is a dynamically sized, homogenous, immutable, singly linked list. A list is constructed with the syntax [1, 2, 3] . The elements of a list can be any of datatype but they must have the same type. The type of lists with elements of type 'e is written list('e) . For example we can have the following lists: [ 1 , 33 , 2 , 666 ] : list ( int ) [( 1 , \"aaa\" ), ( 10 , \"jjj\" ), ( 666 , \"the beast\" )] : list ( int * string ) [{[ 1 ] = \"aaa\" , [ 10 ] = \"jjj\" }, {[ 5 ] = \"eee\" , [ 666 ] = \"the beast\" }] : list ( map ( int , string )) New elements can be prepended to the front of a list with the :: operator. So 42 :: [1, 2, 3] returns the list [42, 1, 2, 3] . The concatenation operator ++ appends its second argument to its first and returns the resulting list. So concatenating two lists [1, 22, 33] ++ [10, 18, 55] returns the list [1, 22, 33, 10, 18, 55] . Sophia supports list comprehensions known from languages like Python, Haskell or Erlang. Example syntax: [ x + y | x <- [ 1 , 2 , 3 , 4 , 5 ], let k = x * x , if ( k > 5 ), y <- [ k , k + 1 , k + 2 ]] // yields [12,13,14,20,21,22,30,31,32] Lists can be constructed using the range syntax using special .. operator: [ 1 .. 4 ] == [ 1 , 2 , 3 , 4 ] The ranges are always ascending and have step equal to 1. Please refer to the standard library for the predefined functionalities. Maps and records A Sophia record type is given by a fixed set of fields with associated, possibly different, types. For instance record account = { name : string , balance : int , history : list ( transaction ) } Maps, on the other hand, can contain an arbitrary number of key-value bindings, but of a fixed type. The type of maps with keys of type 'k and values of type 'v is written map('k, 'v) . The key type can be any type that does not contain a map or a function type. Please refer to the standard library for the predefined functionalities. Constructing maps and records A value of record type is constructed by giving a value for each of the fields. For the example above, function new_account ( name ) = { name = name , balance = 0 , history = []} Maps are constructed similarly, with keys enclosed in square brackets function example_map () : map ( string , int ) = {[ \"key1\" ] = 1 , [ \"key2\" ] = 2 } The empty map is written {} . Accessing values Record fields access is written r.f and map lookup m[k] . For instance, function get_balance ( a : address , accounts : map ( address , account )) = accounts [ a ]. balance Looking up a non-existing key in a map results in contract execution failing. A default value to return for non-existing keys can be provided using the syntax m[k = default] . See also Map.member and Map.lookup below. Updating a value Record field updates are written r{f = v} . This creates a new record value which is the same as r , but with the value of the field f replaced by v . Similarly, m{[k] = v} constructs a map with the same values as m except that k maps to v . It makes no difference if m has a mapping for k or not. It is possible to give a name to the old value of a field or mapping in an update: instead of acc{ balance = acc.balance + 100 } it is possible to write acc{ balance @ b = b + 100 } , binding b to acc.balance . When giving a name to a map value ( m{ [k] @ x = v } ), the corresponding key must be present in the map or execution fails, but a default value can be provided: m{ [k = default] @ x = v } . In this case x is bound to default if k is not in the map. Updates can be nested: function clear_history ( a : address , accounts : map ( address , account )) : map ( address , account ) = accounts { [ a ]. history = [] } This is equivalent to accounts{ [a] @ acc = acc{ history = [] } } and thus requires a to be present in the accounts map. To have clear_history create an account if a is not in the map you can write (given a function empty_account ): accounts { [ a = empty_account ()]. history = [] } Map implementation Internally in the VM maps are implemented as hash maps and support fast lookup and update. Large maps can be stored in the contract state and the size of the map does not contribute to the gas costs of a contract call reading or updating it. Strings There is a builtin type string , which can be seen as an array of bytes. Strings can be compared for equality ( == , != ), used as keys in maps and records, and used in builtin functions String.length , String.concat and the hash functions described below. Please refer to the String library documentation . Chars There is a builtin type char (the underlying representation being an integer), mainly used to manipulate strings via String.to_list / String.from_list . Characters can also be introduced as character literals (`'x', '+', ...). Please refer to the Char library documentation . Byte arrays Byte arrays are fixed size arrays of 8-bit integers. They are described in hexadecimal system, for example the literal #cafe creates a two-element array of bytes ca (202) and fe (254) and thus is a value of type bytes(2) . Please refer to the Bytes library documentation . Cryptographic builtins Libraries Crypto and String provide functions to hash objects, verify signatures etc. The hash is a type alias for bytes(32) . Authorization interface When a Generalized account is authorized, the authorization function needs access to the transaction and the transaction hash for the wrapped transaction. (A GAMetaTx wrapping a transaction.) The transaction and the transaction hash is available in the primitive Auth.tx and Auth.tx_hash respectively, they are only available during authentication if invoked by a normal contract call they return None . Oracle interface You can attach an oracle to the current contract and you can interact with oracles through the Oracle interface. For a full description of how Oracle works see Oracles . For a functionality documentation refer to the standard library . Example Example for an oracle answering questions of type string with answers of type int : contract Oracles = stateful entrypoint registerOracle ( acct : address , sign : signature , // Signed network id + oracle address + contract address qfee : int , ttl : Chain . ttl ) : oracle ( string , int ) = Oracle . register ( acct , signature = sign , qfee , ttl ) entrypoint queryFee ( o : oracle ( string , int )) : int = Oracle . query_fee ( o ) payable stateful entrypoint createQuery ( o : oracle_query ( string , int ), q : string , qfee : int , qttl : Chain . ttl , rttl : int ) : oracle_query ( string , int ) = require ( qfee =< Call . value , \"insufficient value for qfee\" ) Oracle . query ( o , q , qfee , qttl , RelativeTTL ( rttl )) stateful entrypoint extendOracle ( o : oracle ( string , int ), ttl : Chain . ttl ) : unit = Oracle . extend ( o , ttl ) stateful entrypoint signExtendOracle ( o : oracle ( string , int ), sign : signature , // Signed network id + oracle address + contract address ttl : Chain . ttl ) : unit = Oracle . extend ( o , signature = sign , ttl ) stateful entrypoint respond ( o : oracle ( string , int ), q : oracle_query ( string , int ), sign : signature , // Signed network id + oracle query id + contract address r : int ) = Oracle . respond ( o , q , signature = sign , r ) entrypoint getQuestion ( o : oracle ( string , int ), q : oracle_query ( string , int )) : string = Oracle . get_question ( o , q ) entrypoint hasAnswer ( o : oracle ( string , int ), q : oracle_query ( string , int )) = switch ( Oracle . get_answer ( o , q )) None => false Some ( _ ) => true entrypoint getAnswer ( o : oracle ( string , int ), q : oracle_query ( string , int )) : option ( int ) = Oracle . get_answer ( o , q ) Sanity checks When an Oracle literal is passed to a contract, no deep checks are performed. For extra safety Oracle.check and Oracle.check_query functions are provided. AENS interface Contracts can interact with the \u00e6ternity naming system . For this purpose the AENS library was exposed. Example In this example we assume that the name name already exists, and is owned by an account with address addr . In order to allow a contract ct to handle name the account holder needs to create a signature sig of addr | name.hash | ct.address . Armed with this information we can for example write a function that extends the name if it expires within 1000 blocks: stateful entrypoint extend_if_necessary ( addr : address , name : string , sig : signature ) = switch ( AENS . lookup ( name )) None => () Some ( AENS . Name ( _ , FixedTTL ( expiry ), _ )) => if ( Chain . block_height + 1000 > expiry ) AENS . update ( addr , name , Some ( RelativeTTL ( 50000 )), None , None , signature = sig ) And we can write functions that adds and removes keys from the pointers of the name: stateful entrypoint add_key ( addr : address , name : string , key : string , pt : AENS . pointee , sig : signature ) = switch ( AENS . lookup ( name )) None => () Some ( AENS . Name ( _ , _ , ptrs )) => AENS . update ( addr , name , None , None , Some ( ptrs {[ key ] = pt }), signature = sig ) stateful entrypoint delete_key ( addr : address , name : string , key : string , sig : signature ) = switch ( AENS . lookup ( name )) None => () Some ( AENS . Name ( _ , _ , ptrs )) => let ptrs = Map . delete ( key , ptrs ) AENS . update ( addr , name , None , None , Some ( ptrs ), signature = sig ) Note: From the Iris hardfork more strict rules apply for AENS pointers, when a Sophia contract lookup or update (bad) legacy pointers, the bad keys are automatically removed so they will not appear in the pointers map. Events Sophia contracts log structured messages to an event log in the resulting blockchain transaction. The event log is quite similar to Events in Solidity . Events are further discussed in the protocol . To use events a contract must declare a datatype event , and events are then logged using the Chain.event function: datatype event = Event1 ( int , int , string ) | Event2 ( string , address ) Chain . event ( e : event ) : unit The event can have 0-3 indexed fields, and an optional payload field. A field is indexed if it fits in a 32-byte word, i.e. - bool - int - bits - address - oracle(_, _) - oracle_query(_, _) - contract types - bytes(n) for n \u2264 32, in particular hash The payload field must be either a string or a byte array of more than 32 bytes. The fields can appear in any order. NOTE: Indexing is not part of the core \u00e6ternity node. Events are emitted by using the Chain.event function. The following function will emit one Event of each kind in the example. entrypoint emit_events () : () = Chain . event ( Event1 ( 42 , 34 , \"foo\" )) Chain . event ( Event2 ( \"This is not indexed\" , Contract . address )) Argument order It is only possible to have one (1) string parameter in the event, but it can be placed in any position (and its value will end up in the data field), i.e. AnotherEvent ( string , indexed address ) ... Chain . event ( AnotherEvent ( \"This is not indexed\" , Contract . address )) would yield exactly the same result in the example above! Compiler pragmas To enforce that a contract is only compiled with specific versions of the Sophia compiler, you can give one or more @compiler pragmas at the top-level (typically at the beginning) of a file. For instance, to enforce that a contract is compiled with version 4.3 of the compiler you write @ compiler >= 4 . 3 @ compiler < 4 . 4 Valid operators in compiler pragmas are < , =< , == , >= , and > . Version numbers are given as a sequence of non-negative integers separated by dots. Trailing zeros are ignored, so 4.0.0 == 4 . If a constraint is violated an error is reported and compilation fails. Exceptions Contracts can fail with an (uncatchable) exception using the built-in function abort ( reason : string ) : 'a Calling abort causes the top-level call transaction to return an error result containing the reason string. Only the gas used up to and including the abort call is charged. This is different from termination due to a crash which consumes all available gas. For convenience the following function is also built-in: function require ( b : bool , err : string ) = if ( ! b ) abort ( err ) Aside from that, there is an almost equivalent function exit exit ( reason : string ) : 'a Just like abort , it breaks the execution with the given reason. The difference however is in the gas consumption \u2014 while abort returns unused gas, a call to exit burns it all. Delegation signature Some chain operations ( Oracle. and AENS. ) have an optional delegation signature. This is typically used when a user/accounts would like to allow a contract to act on it's behalf. The exact data to be signed varies for the different operations, but in all cases you should prepend the signature data with the network_id ( ae_mainnet for the \u00e6ternity mainnet, etc.).","title":"Features"},{"location":"sophia_features/#features","text":"","title":"Features"},{"location":"sophia_features/#contracts","text":"The main unit of code in Sophia is the contract . A contract implementation, or simply a contract, is the code for a smart contract and consists of a list of types, entrypoints and local functions. Only the entrypoints can be called from outside the contract. A contract instance is an entity living on the block chain (or in a state channel). Each instance has an address that can be used to call its entrypoints, either from another contract or in a call transaction. A contract may define a type state encapsulating its local state. When creating a new contract the init entrypoint is executed and the state is initialized to its return value. The language offers some primitive functions to interact with the blockchain and contracts. Please refer to the Chain , Contract and the Call namespaces in the documentation.","title":"Contracts"},{"location":"sophia_features/#calling-other-contracts","text":"To call a function in another contract you need the address to an instance of the contract. The type of the address must be a contract type, which consists of a number of type definitions and entrypoint declarations. For instance, // A contract type contract interface VotingType = entrypoint vote : string => unit Now given contract address of type VotingType you can call the vote entrypoint of that contract: contract VoteTwice = entrypoint voteTwice ( v : VotingType , alt : string ) = v . vote ( alt ) v . vote ( alt ) Contract calls take two optional named arguments gas : int and value : int that lets you set a gas limit and provide tokens to a contract call. If omitted the defaults are no gas limit and no tokens. Suppose there is a fee for voting: entrypoint voteTwice ( v : VotingType , fee : int , alt : string ) = v . vote ( value = fee , alt ) v . vote ( value = fee , alt ) Named arguments can be given in any order. Note that reentrant calls are not permitted. In other words, when calling another contract it cannot call you back (directly or indirectly). To construct a value of a contract type you can give a contract address literal (for instance ct_2gPXZnZdKU716QBUFKaT4VdBZituK93KLvHJB3n4EnbrHHw4Ay ), or convert an account address to a contract address using Address.to_contract . Note that if the contract does not exist, or it doesn't have the entrypoint, or the type of the entrypoint does not match the stated contract type, the call fails. To recover the underlying address of a contract instance there is a field address : address . For instance, to send tokens to the voting contract (given that it is payable) without calling it you can write entrypoint pay ( v : VotingType , amount : int ) = Chain . spend ( v . address , amount )","title":"Calling other contracts"},{"location":"sophia_features/#protected-contract-calls","text":"If a contract call fails for any reason (for instance, the remote contract crashes or runs out of gas, or the entrypoint doesn't exist or has the wrong type) the parent call also fails. To make it possible to recover from failures, contract calls takes a named argument protected : bool (default false ). The protected argument must be a literal boolean, and when set to true changes the type of the contract call, wrapping the result in an option type. If the call fails the result is None , otherwise it's Some(r) where r is the return value of the call. contract interface VotingType = entrypoint : vote : string => unit contract Voter = entrypoint tryVote ( v : VotingType , alt : string ) = switch ( v . vote ( alt , protected = true ) : option ( unit )) None => \"Voting failed\" Some ( _ ) => \"Voting successful\" Any gas that was consumed by the contract call before the failure stays consumed, which means that in order to protect against the remote contract running out of gas it is necessary to set a gas limit using the gas argument. However, note that errors that would normally consume all the gas in the transaction still only uses up the gas spent running the contract. Any side effects (state change, token transfers, etc.) made by a failing protected call is rolled back, just like they would be in the unprotected case.","title":"Protected contract calls"},{"location":"sophia_features/#contract-factories-and-child-contracts","text":"Since the version 6.0.0 Sophia supports deploying contracts by other contracts. This can be done in two ways: Contract cloning via Chain.clone Direct deploy via Chain.create These functions take variable number of arguments that must match the created contract's init function. Beside that they take some additional named arguments \u2013 please refer to their documentation for the details. While Chain.clone requires only a contract interface and a living instance of a given contract on the chain, Chain.create needs a full definition of a to-create contract defined by the standard contract syntax, for example contract IntHolder = type state = int entrypoint init ( x ) = x entrypoint get () = state main contract IntHolderFactory = stateful entrypoint new ( x : int ) : IntHolder = let ih = Chain . create ( x ) : IntHolder ih In case of a presence of child contracts ( IntHolder in this case), the main contract must be pointed out with the main keyword as shown in the example.","title":"Contract factories and child contracts"},{"location":"sophia_features/#contract-interfaces-and-polymorphism","text":"Contracts can implement one or multiple interfaces, the contract has to define every entrypoint from the implemented interface and the entrypoints in both the contract and implemented interface should have compatible types. contract interface Animal = entrypoint sound : () => string contract Cat : Animal = entrypoint sound() = \"Cat sound\" Contract interfaces can extend other interfaces. An extended interface has to declare all entrypoints from every parent interface. All the declarations in the extended interface must have types compatible with the declarations from the parent interface. contract interface II = entrypoint f : () => unit contract interface I : II = entrypoint f : () => unit entrypoint g : () => unit contract C : I = entrypoint f() = () entrypoint g() = () It is only possible to implement (or extend) an interface that has been already defined earlier in the file (or in an included file). Therefore recursive interface implementation is not allowed in Sophia. // The following code would show an error contract interface X : Z = entrypoint x : () => int contract interface Y : X = entrypoint x : () => int entrypoint y : () => int contract interface Z : Y = entrypoint x : () => int entrypoint y : () => int entrypoint z : () => int contract C : Z = entrypoint x() = 1 entrypoint y() = 1 entrypoint z() = 1","title":"Contract interfaces and polymorphism"},{"location":"sophia_features/#mutable-state","text":"Sophia does not have arbitrary mutable state, but only a limited form of state associated with each contract instance. Each contract defines a type state encapsulating its mutable state. The type state defaults to the unit . The initial state of a contract is computed by the contract's init function. The init function is pure and returns the initial state as its return value. If the type state is unit , the init function defaults to returning the value () . At contract creation time, the init function is executed and its result is stored as the contract state. The value of the state is accessible from inside the contract through an implicitly bound variable state . State updates are performed by calling a function put : state => unit . Aside from the put function (and similar functions for transactions and events), the language is purely functional. Functions modifying the state need to be annotated with the stateful keyword (see below). To make it convenient to update parts of a deeply nested state Sophia provides special syntax for map/record updates.","title":"Mutable state"},{"location":"sophia_features/#stateful-functions","text":"Top-level functions and entrypoints must be annotated with the stateful keyword to be allowed to affect the state of the running contract. For instance, stateful entrypoint set_state ( s : state ) = put ( s ) Without the stateful annotation the compiler does not allow the call to put . A stateful annotation is required to Use a stateful primitive function. These are put Chain.spend Oracle.register Oracle.query Oracle.respond Oracle.extend AENS.preclaim AENS.claim AENS.transfer AENS.revoke AENS.update Call a stateful function in the current contract Call another contract with a non-zero value argument. A stateful annotation is not required to Read the contract state. Issue an event using the event function. Call another contract with value = 0 , even if the called function is stateful.","title":"Stateful functions"},{"location":"sophia_features/#payable","text":"","title":"Payable"},{"location":"sophia_features/#payable-contracts","text":"A concrete contract is by default not payable. Any attempt at spending to such a contract (either a Chain.spend or a normal spend transaction) will fail. If a contract shall be able to receive funds in this way it has to be declared payable : // A payable contract payable contract ExampleContract = stateful entrypoint do_stuff () = ... If in doubt, it is possible to check if an address is payable using Address.is_payable(addr) .","title":"Payable contracts"},{"location":"sophia_features/#payable-entrypoints","text":"A contract entrypoint is by default not payable. Any call to such a function (either a Remote call or a contract call transaction) that has a non-zero value will fail. Contract entrypoints that should be called with a non-zero value should be declared payable . payable stateful entrypoint buy ( to : address ) = if ( Call . value > 42 ) transfer_item ( to ) else abort ( \"Value too low\" )","title":"Payable entrypoints"},{"location":"sophia_features/#namespaces","text":"Code can be split into libraries using the namespace construct. Namespaces can appear at the top-level and can contain type and function definitions, but not entrypoints. Outside the namespace you can refer to the (non-private) names by qualifying them with the namespace ( Namespace.name ). For example, namespace Library = type number = int function inc ( x : number ) : number = x + 1 contract MyContract = entrypoint plus2 ( x ) : Library . number = Library . inc ( Library . inc ( x )) Functions in namespaces have access to the same environment (including the Chain , Call , and Contract , builtin namespaces) as function in a contract, with the exception of state , put and Chain.event since these are dependent on the specific state and event types of the contract. To avoid mentioning the namespace every time it is used, Sophia allows including the namespace in the current scope with the using keyword: include \"Pair.aes\" using Pair contract C = type state = int entrypoint init() = let p = (1, 2) fst(p) // this is the same as Pair.fst(p) It is also possible to make an alias for the namespace with the as keyword: include \"Pair.aes\" contract C = using Pair as P type state = int entrypoint init() = let p = (1, 2) P.fst(p) // this is the same as Pair.fst(p) Having the same alias for multiple namespaces is possible and it allows referening functions that are defined in different namespaces and have different names with the same alias: namespace Xa = function f() = 1 namespace Xb = function g() = 2 contract Cntr = using Xa as A using Xb as A type state = int entrypoint init() = A.f() + A.g() Note that using functions with the same name would result in an ambiguous name error: namespace Xa = function f() = 1 namespace Xb = function f() = 2 contract Cntr = using Xa as A using Xb as A type state = int // the next line has an error because f is defined in both Xa and Xb entrypoint init() = A.f() Importing specific parts of a namespace or hiding these parts can also be done like this: using Pair for [fst, snd] // this will only import fst and snd using Triple hiding [fst, snd] // this will import everything except for fst and snd Note that it is possible to use a namespace in the top level of the file, in the contract level, namespace level, or in the function level.","title":"Namespaces"},{"location":"sophia_features/#splitting-code-over-multiple-files","text":"Code from another file can be included in a contract using an include statement. These must appear at the top-level (outside the main contract). The included file can contain one or more namespaces and abstract contracts. For example, if the file library.aes contains namespace Library = function inc ( x ) = x + 1 you can use it from another file using an include : include \"library.aes\" contract MyContract = entrypoint plus2 ( x ) = Library . inc ( Library . inc ( x )) This behaves as if the contents of library.aes was textually inserted into the file, except that error messages will refer to the original source locations. The language will try to include each file at most one time automatically, so even cyclic includes should be working without any special tinkering.","title":"Splitting code over multiple files"},{"location":"sophia_features/#standard-library","text":"Sophia offers standard library which exposes some primitive operations and some higher level utilities. The builtin namespaces like Chain , Contract , Map are included by default and are supported internally by the compiler. Others like List , Frac , Option need to be manually included using the include directive. For example include \"List.aes\" include \"Pair.aes\" -- Map is already there ! namespace C = entrypoint keys ( m : map ( 'a , 'b )) : list ( 'a ) = List . map ( Pair . fst , ( Map . to_list ( m )))","title":"Standard library"},{"location":"sophia_features/#types","text":"Sophia has the following types: Type Description Example int A 2-complement integer -1 address \u00e6ternity address, 32 bytes Call.origin bool A Boolean true bits A bit field Bits.none bytes(n) A byte array with n bytes #fedcba9876543210 string An array of bytes \"Foo\" list A homogeneous immutable singly linked list. [1, 2, 3] ('a, 'b) => 'c A function. Parentheses can be skipped if there is only one argument (x : int, y : int) => x + y tuple An ordered heterogeneous array (42, \"Foo\", true) record An immutable key value store with fixed key names and typed values record balance = { owner: address, value: int } map An immutable key value store with dynamic mapping of keys of one type to values of one type type accounts = map(string, address) option('a) An optional value either None or Some('a) Some(42) state A user defined type holding the contract state record state = { owner: address, magic_key: bytes(4) } event An append only list of blockchain events (or log entries) datatype event = EventX(indexed int, string) hash A 32-byte hash - equivalent to bytes(32) signature A signature - equivalent to bytes(64) Chain.ttl Time-to-live (fixed height or relative to current block) FixedTTL(1050) RelativeTTL(50) oracle('a, 'b) And oracle answering questions of type 'a with answers of type 'b Oracle.register(acct, qfee, ttl) oracle_query('a, 'b) A specific oracle query Oracle.query(o, q, qfee, qttl, rttl) contract A user defined, typed, contract address function call_remote(r : RemoteContract) = r.fun()","title":"Types"},{"location":"sophia_features/#literals","text":"Type Constant/Literal example(s) int -1 , 2425 , 4598275923475723498573485768 address ak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt bool true , false bits Bits.none , Bits.all bytes(8) #fedcba9876543210 string \"This is a string\" list [1, 2, 3] , [(true, 24), (false, 19), (false, -42)] tuple (42, \"Foo\", true) record { owner = Call.origin, value = 100000000 } map {[\"foo\"] = 19, [\"bar\"] = 42} , {} option(int) Some(42) , None state state{ owner = Call.origin, magic_key = #a298105f } event EventX(0, \"Hello\") hash #000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f signature #000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f Chain.ttl FixedTTL(1050) , RelativeTTL(50) oracle('a, 'b) ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5 oracle_query('a, 'b) oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY contract ct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ","title":"Literals"},{"location":"sophia_features/#arithmetic","text":"Sophia integers ( int ) are represented by arbitrary-sized signed words and support the following arithmetic operations: - addition ( x + y ) - subtraction ( x - y ) - multiplication ( x * y ) - division ( x / y ), truncated towards zero - remainder ( x mod y ), satisfying y * (x / y) + x mod y == x for non-zero y - exponentiation ( x ^ y ) All operations are safe with respect to overflow and underflow. The division and modulo operations throw an arithmetic error if the right-hand operand is zero.","title":"Arithmetic"},{"location":"sophia_features/#bit-fields","text":"Sophia integers do not support bit arithmetic. Instead there is a separate type bits . See the standard library documentation . A bit field can be of arbitrary size (but it is still represented by the corresponding integer, so setting very high bits can be expensive).","title":"Bit fields"},{"location":"sophia_features/#type-aliases","text":"Type aliases can be introduced with the type keyword and can be parameterized. For instance type number = int type string_map ( 'a ) = map ( string , 'a ) A type alias and its definition can be used interchangeably. Sophia does not support higher-kinded types, meaning that following type alias is invalid: type wrap('f, 'a) = 'f('a)","title":"Type aliases"},{"location":"sophia_features/#algebraic-data-types","text":"Sophia supports algebraic data types (variant types) and pattern matching. Data types are declared by giving a list of constructors with their respective arguments. For instance, datatype one_or_both ( 'a , 'b ) = Left ( 'a ) | Right ( 'b ) | Both ( 'a , 'b ) Elements of data types can be pattern matched against, using the switch construct: function get_left ( x : one_or_both ( 'a , 'b )) : option ( 'a ) = switch ( x ) Left ( x ) => Some ( x ) Right ( _ ) => None Both ( x , _ ) => Some ( x ) or directly in the left-hand side: function get_left : one_or_both ( 'a , 'b ) => option ( 'a ) get_left ( Left ( x )) = Some ( x ) get_left ( Right ( _ )) = None get_left ( Both ( x , _ )) = Some ( x ) NOTE: Data types cannot currently be recursive. Sophia also supports the assignment of patterns to variables: function f ( x ) = switch ( x ) h1 :: ( t = h2 :: _ ) => ( h1 + h2 ) :: t // same as `h1::h2::k => (h1 + h2)::h2::k` _ => x function g ( p : int * option ( int )) : int = let ( a , ( o = Some ( b ))) = p // o is equal to Pair.snd(p) b Guards are boolean expressions that can be used on patterns in both switch statements and functions definitions. If a guard expression evaluates to true , then the corresponding body will be used. Otherwise, the next pattern will be checked: function get_left_if_positive ( x : one_or_both ( int , 'b )) : option ( int ) = switch ( x ) Left ( x ) | x > 0 => Some ( x ) Both ( x , _ ) | x > 0 => Some ( x ) _ => None function get_left_if_positive : one_or_both ( int , 'b ) => option ( int ) get_left_if_positive ( Left ( x )) | x > 0 = Some ( x ) get_left_if_positive ( Both ( x , _ )) | x > 0 = Some ( x ) get_left_if_positive ( _ ) = None Guards cannot be stateful even when used inside a stateful function.","title":"Algebraic data types"},{"location":"sophia_features/#lists","text":"A Sophia list is a dynamically sized, homogenous, immutable, singly linked list. A list is constructed with the syntax [1, 2, 3] . The elements of a list can be any of datatype but they must have the same type. The type of lists with elements of type 'e is written list('e) . For example we can have the following lists: [ 1 , 33 , 2 , 666 ] : list ( int ) [( 1 , \"aaa\" ), ( 10 , \"jjj\" ), ( 666 , \"the beast\" )] : list ( int * string ) [{[ 1 ] = \"aaa\" , [ 10 ] = \"jjj\" }, {[ 5 ] = \"eee\" , [ 666 ] = \"the beast\" }] : list ( map ( int , string )) New elements can be prepended to the front of a list with the :: operator. So 42 :: [1, 2, 3] returns the list [42, 1, 2, 3] . The concatenation operator ++ appends its second argument to its first and returns the resulting list. So concatenating two lists [1, 22, 33] ++ [10, 18, 55] returns the list [1, 22, 33, 10, 18, 55] . Sophia supports list comprehensions known from languages like Python, Haskell or Erlang. Example syntax: [ x + y | x <- [ 1 , 2 , 3 , 4 , 5 ], let k = x * x , if ( k > 5 ), y <- [ k , k + 1 , k + 2 ]] // yields [12,13,14,20,21,22,30,31,32] Lists can be constructed using the range syntax using special .. operator: [ 1 .. 4 ] == [ 1 , 2 , 3 , 4 ] The ranges are always ascending and have step equal to 1. Please refer to the standard library for the predefined functionalities.","title":"Lists"},{"location":"sophia_features/#maps-and-records","text":"A Sophia record type is given by a fixed set of fields with associated, possibly different, types. For instance record account = { name : string , balance : int , history : list ( transaction ) } Maps, on the other hand, can contain an arbitrary number of key-value bindings, but of a fixed type. The type of maps with keys of type 'k and values of type 'v is written map('k, 'v) . The key type can be any type that does not contain a map or a function type. Please refer to the standard library for the predefined functionalities.","title":"Maps and records"},{"location":"sophia_features/#constructing-maps-and-records","text":"A value of record type is constructed by giving a value for each of the fields. For the example above, function new_account ( name ) = { name = name , balance = 0 , history = []} Maps are constructed similarly, with keys enclosed in square brackets function example_map () : map ( string , int ) = {[ \"key1\" ] = 1 , [ \"key2\" ] = 2 } The empty map is written {} .","title":"Constructing maps and records"},{"location":"sophia_features/#accessing-values","text":"Record fields access is written r.f and map lookup m[k] . For instance, function get_balance ( a : address , accounts : map ( address , account )) = accounts [ a ]. balance Looking up a non-existing key in a map results in contract execution failing. A default value to return for non-existing keys can be provided using the syntax m[k = default] . See also Map.member and Map.lookup below.","title":"Accessing values"},{"location":"sophia_features/#updating-a-value","text":"Record field updates are written r{f = v} . This creates a new record value which is the same as r , but with the value of the field f replaced by v . Similarly, m{[k] = v} constructs a map with the same values as m except that k maps to v . It makes no difference if m has a mapping for k or not. It is possible to give a name to the old value of a field or mapping in an update: instead of acc{ balance = acc.balance + 100 } it is possible to write acc{ balance @ b = b + 100 } , binding b to acc.balance . When giving a name to a map value ( m{ [k] @ x = v } ), the corresponding key must be present in the map or execution fails, but a default value can be provided: m{ [k = default] @ x = v } . In this case x is bound to default if k is not in the map. Updates can be nested: function clear_history ( a : address , accounts : map ( address , account )) : map ( address , account ) = accounts { [ a ]. history = [] } This is equivalent to accounts{ [a] @ acc = acc{ history = [] } } and thus requires a to be present in the accounts map. To have clear_history create an account if a is not in the map you can write (given a function empty_account ): accounts { [ a = empty_account ()]. history = [] }","title":"Updating a value"},{"location":"sophia_features/#map-implementation","text":"Internally in the VM maps are implemented as hash maps and support fast lookup and update. Large maps can be stored in the contract state and the size of the map does not contribute to the gas costs of a contract call reading or updating it.","title":"Map implementation"},{"location":"sophia_features/#strings","text":"There is a builtin type string , which can be seen as an array of bytes. Strings can be compared for equality ( == , != ), used as keys in maps and records, and used in builtin functions String.length , String.concat and the hash functions described below. Please refer to the String library documentation .","title":"Strings"},{"location":"sophia_features/#chars","text":"There is a builtin type char (the underlying representation being an integer), mainly used to manipulate strings via String.to_list / String.from_list . Characters can also be introduced as character literals (`'x', '+', ...). Please refer to the Char library documentation .","title":"Chars"},{"location":"sophia_features/#byte-arrays","text":"Byte arrays are fixed size arrays of 8-bit integers. They are described in hexadecimal system, for example the literal #cafe creates a two-element array of bytes ca (202) and fe (254) and thus is a value of type bytes(2) . Please refer to the Bytes library documentation .","title":"Byte arrays"},{"location":"sophia_features/#cryptographic-builtins","text":"Libraries Crypto and String provide functions to hash objects, verify signatures etc. The hash is a type alias for bytes(32) .","title":"Cryptographic builtins"},{"location":"sophia_features/#authorization-interface","text":"When a Generalized account is authorized, the authorization function needs access to the transaction and the transaction hash for the wrapped transaction. (A GAMetaTx wrapping a transaction.) The transaction and the transaction hash is available in the primitive Auth.tx and Auth.tx_hash respectively, they are only available during authentication if invoked by a normal contract call they return None .","title":"Authorization interface"},{"location":"sophia_features/#oracle-interface","text":"You can attach an oracle to the current contract and you can interact with oracles through the Oracle interface. For a full description of how Oracle works see Oracles . For a functionality documentation refer to the standard library .","title":"Oracle interface"},{"location":"sophia_features/#example","text":"Example for an oracle answering questions of type string with answers of type int : contract Oracles = stateful entrypoint registerOracle ( acct : address , sign : signature , // Signed network id + oracle address + contract address qfee : int , ttl : Chain . ttl ) : oracle ( string , int ) = Oracle . register ( acct , signature = sign , qfee , ttl ) entrypoint queryFee ( o : oracle ( string , int )) : int = Oracle . query_fee ( o ) payable stateful entrypoint createQuery ( o : oracle_query ( string , int ), q : string , qfee : int , qttl : Chain . ttl , rttl : int ) : oracle_query ( string , int ) = require ( qfee =< Call . value , \"insufficient value for qfee\" ) Oracle . query ( o , q , qfee , qttl , RelativeTTL ( rttl )) stateful entrypoint extendOracle ( o : oracle ( string , int ), ttl : Chain . ttl ) : unit = Oracle . extend ( o , ttl ) stateful entrypoint signExtendOracle ( o : oracle ( string , int ), sign : signature , // Signed network id + oracle address + contract address ttl : Chain . ttl ) : unit = Oracle . extend ( o , signature = sign , ttl ) stateful entrypoint respond ( o : oracle ( string , int ), q : oracle_query ( string , int ), sign : signature , // Signed network id + oracle query id + contract address r : int ) = Oracle . respond ( o , q , signature = sign , r ) entrypoint getQuestion ( o : oracle ( string , int ), q : oracle_query ( string , int )) : string = Oracle . get_question ( o , q ) entrypoint hasAnswer ( o : oracle ( string , int ), q : oracle_query ( string , int )) = switch ( Oracle . get_answer ( o , q )) None => false Some ( _ ) => true entrypoint getAnswer ( o : oracle ( string , int ), q : oracle_query ( string , int )) : option ( int ) = Oracle . get_answer ( o , q )","title":"Example"},{"location":"sophia_features/#sanity-checks","text":"When an Oracle literal is passed to a contract, no deep checks are performed. For extra safety Oracle.check and Oracle.check_query functions are provided.","title":"Sanity checks"},{"location":"sophia_features/#aens-interface","text":"Contracts can interact with the \u00e6ternity naming system . For this purpose the AENS library was exposed.","title":"AENS interface"},{"location":"sophia_features/#example_1","text":"In this example we assume that the name name already exists, and is owned by an account with address addr . In order to allow a contract ct to handle name the account holder needs to create a signature sig of addr | name.hash | ct.address . Armed with this information we can for example write a function that extends the name if it expires within 1000 blocks: stateful entrypoint extend_if_necessary ( addr : address , name : string , sig : signature ) = switch ( AENS . lookup ( name )) None => () Some ( AENS . Name ( _ , FixedTTL ( expiry ), _ )) => if ( Chain . block_height + 1000 > expiry ) AENS . update ( addr , name , Some ( RelativeTTL ( 50000 )), None , None , signature = sig ) And we can write functions that adds and removes keys from the pointers of the name: stateful entrypoint add_key ( addr : address , name : string , key : string , pt : AENS . pointee , sig : signature ) = switch ( AENS . lookup ( name )) None => () Some ( AENS . Name ( _ , _ , ptrs )) => AENS . update ( addr , name , None , None , Some ( ptrs {[ key ] = pt }), signature = sig ) stateful entrypoint delete_key ( addr : address , name : string , key : string , sig : signature ) = switch ( AENS . lookup ( name )) None => () Some ( AENS . Name ( _ , _ , ptrs )) => let ptrs = Map . delete ( key , ptrs ) AENS . update ( addr , name , None , None , Some ( ptrs ), signature = sig ) Note: From the Iris hardfork more strict rules apply for AENS pointers, when a Sophia contract lookup or update (bad) legacy pointers, the bad keys are automatically removed so they will not appear in the pointers map.","title":"Example"},{"location":"sophia_features/#events","text":"Sophia contracts log structured messages to an event log in the resulting blockchain transaction. The event log is quite similar to Events in Solidity . Events are further discussed in the protocol . To use events a contract must declare a datatype event , and events are then logged using the Chain.event function: datatype event = Event1 ( int , int , string ) | Event2 ( string , address ) Chain . event ( e : event ) : unit The event can have 0-3 indexed fields, and an optional payload field. A field is indexed if it fits in a 32-byte word, i.e. - bool - int - bits - address - oracle(_, _) - oracle_query(_, _) - contract types - bytes(n) for n \u2264 32, in particular hash The payload field must be either a string or a byte array of more than 32 bytes. The fields can appear in any order. NOTE: Indexing is not part of the core \u00e6ternity node. Events are emitted by using the Chain.event function. The following function will emit one Event of each kind in the example. entrypoint emit_events () : () = Chain . event ( Event1 ( 42 , 34 , \"foo\" )) Chain . event ( Event2 ( \"This is not indexed\" , Contract . address ))","title":"Events"},{"location":"sophia_features/#argument-order","text":"It is only possible to have one (1) string parameter in the event, but it can be placed in any position (and its value will end up in the data field), i.e. AnotherEvent ( string , indexed address ) ... Chain . event ( AnotherEvent ( \"This is not indexed\" , Contract . address )) would yield exactly the same result in the example above!","title":"Argument order"},{"location":"sophia_features/#compiler-pragmas","text":"To enforce that a contract is only compiled with specific versions of the Sophia compiler, you can give one or more @compiler pragmas at the top-level (typically at the beginning) of a file. For instance, to enforce that a contract is compiled with version 4.3 of the compiler you write @ compiler >= 4 . 3 @ compiler < 4 . 4 Valid operators in compiler pragmas are < , =< , == , >= , and > . Version numbers are given as a sequence of non-negative integers separated by dots. Trailing zeros are ignored, so 4.0.0 == 4 . If a constraint is violated an error is reported and compilation fails.","title":"Compiler pragmas"},{"location":"sophia_features/#exceptions","text":"Contracts can fail with an (uncatchable) exception using the built-in function abort ( reason : string ) : 'a Calling abort causes the top-level call transaction to return an error result containing the reason string. Only the gas used up to and including the abort call is charged. This is different from termination due to a crash which consumes all available gas. For convenience the following function is also built-in: function require ( b : bool , err : string ) = if ( ! b ) abort ( err ) Aside from that, there is an almost equivalent function exit exit ( reason : string ) : 'a Just like abort , it breaks the execution with the given reason. The difference however is in the gas consumption \u2014 while abort returns unused gas, a call to exit burns it all.","title":"Exceptions"},{"location":"sophia_features/#delegation-signature","text":"Some chain operations ( Oracle. and AENS. ) have an optional delegation signature. This is typically used when a user/accounts would like to allow a contract to act on it's behalf. The exact data to be signed varies for the different operations, but in all cases you should prepend the signature data with the network_id ( ae_mainnet for the \u00e6ternity mainnet, etc.).","title":"Delegation signature"},{"location":"sophia_stdlib/","text":"Standard library Sophia language offers standard library that consists of several namespaces. Some of them are already in the scope and do not need any actions to be used, while the others require some files to be included. The out-of-the-box namespaces are: Address AENS Auth Bits Bytes Call Chain Char Contract Crypto Int Map Oracle The following ones need to be included as regular files with .aes suffix, for example include \"List.aes\" Bitwise BLS12_381 Func Frac List Option Pair Set String Triple Builtin namespaces They are available without any explicit includes. Address to_str Address.to_str(a : address) : string Base58 encoded string is_contract Address.is_contract(a : address) : bool Is the address a contract is_oracle Address.is_oracle(a : address) : bool Is the address a registered oracle is_payable Address.is_payable(a : address) : bool Can the address be spent to to_contract Address.to_contract(a : address) : C Cast address to contract type C (where C is a contract) AENS The following functionality is available for interacting with the \u00e6ternity naming system (AENS). If owner is equal to Contract.address the signature signature is ignored, and can be left out since it is a named argument. Otherwise we need a signature to prove that we are allowed to do AENS operations on behalf of owner . The signature is tied to a network id , i.e. the signature material should be prefixed by the network id. Types name datatype name = Name(address, Chain.ttl, map(string, AENS.pointee)) pointee datatype pointee = AccountPt(address) | OraclePt(address) | ContractPt(address) | ChannelPt(address) Functions resolve AENS.resolve(name : string, key : string) : option('a) Name resolution. Here name should be a registered name and key one of the attributes associated with this name (for instance \"account_pubkey\" ). The return type ( 'a ) must be resolved at compile time to an atomic type and the value is type checked against this type at run time. lookup AENS.lookup(name : string) : option(AENS.name) If name is an active name AENS.lookup returns a name object. The three arguments to Name are owner , expiry and a map of the pointees for the name. Note: the expiry of the name is always a fixed TTL. For example: let Some(Name(owner, FixedTTL(expiry), ptrs)) = AENS.lookup(\"example.chain\") preclaim AENS.preclaim(owner : address, commitment_hash : hash, ) : unit The signature should be over network id + owner address + Contract.address (concatenated as byte arrays). claim AENS.claim(owner : address, name : string, salt : int, name_fee : int, ) : unit The signature should be over network id + owner address + name_hash + Contract.address (concatenated as byte arrays) using the private key of the owner account for signing. transfer AENS.transfer(owner : address, new_owner : address, name : string, ) : unit Transfers name to the new owner. The signature should be over network id + owner address + name_hash + Contract.address (concatenated as byte arrays) using the private key of the owner account for signing. revoke AENS.revoke(owner : address, name : string, ) : unit Revokes the name to extend the ownership time. The signature should be over network id + owner address + name_hash + Contract.address (concatenated as byte arrays) using the private key of the owner account for signing. update AENS.update(owner : address, name : string, expiry : option(Chain.ttl), client_ttl : option(int), new_ptrs : map(string, AENS.pointee), ) : unit Updates the name. If the optional parameters are set to None that parameter will not be updated, for example if None is passed as expiry the expiry block of the name is not changed. Auth tx Auth.tx : option(Chain.tx) Where Chain.tx is (built-in) defined like: namespace Chain = record tx = { paying_for : option(Chain.paying_for_tx) , ga_metas : list(Chain.ga_meta_tx) , actor : address , fee : int , ttl : int , tx : Chain.base_tx } datatype ga_meta_tx = GAMetaTx(address, int) datatype paying_for_tx = PayingForTx(address, int) datatype base_tx = SpendTx(address, int, string) | OracleRegisterTx | OracleQueryTx | OracleResponseTx | OracleExtendTx | NamePreclaimTx | NameClaimTx(hash) | NameUpdateTx(string) | NameRevokeTx(hash) | NameTransferTx(address, string) | ChannelCreateTx(address) | ChannelDepositTx(address, int) | ChannelWithdrawTx(address, int) | | ChannelForceProgressTx(address) | ChannelCloseMutualTx(address) | ChannelCloseSoloTx(address) | ChannelSlashTx(address) | ChannelSettleTx(address) | ChannelSnapshotSoloTx(address) | ContractCreateTx(int) | ContractCallTx(address, int) | GAAttachTx tx_hash Auth.tx_hash : option(hash) Gets the transaction hash during authentication. Bits none Bits.none : bits A bit field with all bits cleared all Bits.all : bits A bit field with all bits set set Bits.set(b : bits, i : int) : bits Set bit i clear Bits.clear(b : bits, i : int) : bits Clear bit i test Bits.test(b : bits, i : int) : bool Check if bit i is set sum Bits.sum(b : bits) : int Count the number of set bits union Bits.union(a : bits, b : bits) : bits Bitwise disjunction intersection Bits.intersection(a : bits, b : bits) : bits Bitwise conjunction difference Bits.difference(a : bits, b : bits) : bits Each bit is true if and only if it was 1 in a and 0 in b Bytes to_int Bytes.to_int(b : bytes(n)) : int Interprets the byte array as a big endian integer to_str Bytes.to_str(b : bytes(n)) : string Returns the hexadecimal representation of the byte array concat Bytes.concat : (a : bytes(m), b : bytes(n)) => bytes(m + n) Concatenates two byte arrays split Bytes.split(a : bytes(m + n)) : bytes(m) * bytes(n) Splits a byte array at given index Call Values related to the call to the current contract origin Call.origin : address The address of the account that signed the call transaction that led to this call. caller Call.caller : address The address of the entity (possibly another contract) calling the contract. value Call.value : int The amount of coins transferred to the contract in the call. gas_price Call.gas_price : int The gas price of the current call. fee Call.fee : int The fee of the current call. gas_left Call.gas_left() : int The amount of gas left for the current call. Chain Values and functions related to the chain itself and other entities that live on it. Types tx record tx = { paying_for : option(Chain.paying_for_tx) , ga_metas : list(Chain.ga_meta_tx) , actor : address , fee : int , ttl : int , tx : Chain.base_tx } ga_meta_tx datatype ga_meta_tx = GAMetaTx(address, int) paying_for_tx datatype paying_for_tx = PayingForTx(address, int) base_tx datatype base_tx = SpendTx(address, int, string) | OracleRegisterTx | OracleQueryTx | OracleResponseTx | OracleExtendTx | NamePreclaimTx | NameClaimTx(hash) | NameUpdateTx(string) | NameRevokeTx(hash) | NameTransferTx(address, string) | ChannelCreateTx(address) | ChannelDepositTx(address, int) | ChannelWithdrawTx(address, int) | | ChannelForceProgressTx(address) | ChannelCloseMutualTx(address) | ChannelCloseSoloTx(address) | ChannelSlashTx(address) | ChannelSettleTx(address) | ChannelSnapshotSoloTx(address) | ContractCreateTx(int) | ContractCallTx(address, int) | GAAttachTx Functions balance Chain.balance(a : address) : int The balance of account a . block_hash Chain.block_hash(h : int) : option(bytes(32)) The hash of the block at height h . h has to be within 256 blocks from the current height of the chain or else the function will return None . NOTE: In FATE VM version 1 Chain.block_height was not considered an allowed height. From FATE VM version 2 (IRIS) it will return the block hash of the current generation. block_height Chain.block_height : int\" The height of the current block (i.e. the block in which the current call will be included). coinbase Chain.coinbase : address The address of the account that mined the current block. timestamp Chain.timestamp : int The timestamp of the current block. difficulty Chain.difficulty : int The difficulty of the current block. gas Chain.gas_limit : int The gas limit of the current block. bytecode_hash Chain.bytecode_hash : 'c => option(hash) Returns the hash of the contract's bytecode (or None if it is nonexistent or deployed before FATE2). The type 'c must be instantiated with a contract. The charged gas increases linearly to the size of the serialized bytecode of the deployed contract. create Chain.create(value : int, ...) => 'c Creates and deploys a new instance of a contract 'c . All of the unnamed arguments will be passed to the init function. The charged gas increases linearly with the size of the compiled child contract's bytecode. The source_hash on-chain entry of the newly created contract will be the SHA256 hash over concatenation of whole contract source code single null byte name of the child contract The resulting contract's public key can be predicted and in case it happens to have some funds before its creation, its balance will be increased by the value parameter. The value argument (default 0 ) is equivalent to the value in the contract creation transaction \u2013 it sets the initial value of the newly created contract charging the calling contract. Note that this won't be visible in Call.value in the init call of the new contract. It will be included in Contract.balance , however. The type 'c must be instantiated with a contract. Example usage: payable contract Auction = record state = {supply: int, name: string} entrypoint init(supply, name) = {supply: supply, name: name} stateful payable entrypoint buy(amount) = require(Call.value == amount, \"amount_value_mismatch\") ... stateful entrypoint sell(amount) = require(amount >= 0, \"negative_amount\") ... main contract Market = type state = list(Auction) entrypoint init() = [] stateful entrypoint new(name : string) = let new_auction = Chain.create(0, name) : Auction put(new_auction::state) The typechecker must be certain about the created contract's type, so it is worth writing it explicitly as shown in the example. clone Chain.clone : ( ref : 'c, gas : int, value : int, protected : bool, ... ) => if(protected) option('c) else 'c Clones the contract under the mandatory named argument ref . That means a new contract of the same bytecode and the same payable parameter shall be created. NOTE: the state won't be copied and the contract will be initialized with a regular call to the init function with the remaining unnamed arguments. The resulting contract's public key can be predicted and in case it happens to have some funds before its creation, its balance will be increased by the value parameter. This operation is significantly cheaper than Chain.create as it costs a fixed amount of gas. The gas argument (default Call.gas_left ) limits the gas supply for the init call of the cloned contract. The value argument (default 0 ) is equivalent to the value in the contract creation transaction \u2013 it sets the initial value of the newly created contract charging the calling contract. Note that this won't be visible in Call.value in the init call of the new contract. It will be included in Contract.balance , however. The protected argument (default false ) works identically as in remote calls. If set to true it will change the return type to option('c) and will catch all errors such as abort , out of gas and wrong arguments. Note that it can only take a boolean literal , so other expressions such as variables will be rejected by the compiler. The type 'c must be instantiated with a contract. Example usage: payable contract interface Auction = entrypoint init : (int, string) => void stateful payable entrypoint buy : (int) => () stateful entrypoint sell : (int) => () main contract Market = type state = list(Auction) entrypoint init() = [] stateful entrypoint new_of(template : Auction, name : string) = switch(Chain.clone(ref=template, protected=true, 0, name)) None => abort(\"Bad auction!\") Some(new_auction) => put(new_auction::state) When cloning by an interface, init entrypoint declaration is required. It is a good practice to set its return type to void in order to indicate that this function is not supposed to be called and is state agnostic. Trivia: internal implementation of the init function does not actually return state , but calls put instead. Moreover, FATE prevents even handcrafted calls to init . event Chain.event(e : event) : unit Emits the event. To use this function one needs to define the event type as a datatype in the contract. Char to_int Char.to_int(c : char) : int Returns the UTF-8 codepoint of a character #### from_int Char.from_int(i : int) : option(char) Opposite of to_int . Returns None if the integer doesn't correspond to a single (normalized) codepoint. Contract Values related to the current contract creator Contract.creator : address Address of the entity that signed the contract creation transaction address Contract.address : address Address of the contract account balance Contract.balance : int Amount of coins in the contract account Crypto sha3 Crypto.sha3(x : 'a) : hash Hash any object to SHA3 sha256 Crypto.sha256(x : 'a) : hash Hash any object to SHA256 blake2b Crypto.blake2b(x : 'a) : hash Hash any object to blake2b verify_sig Crypto.verify_sig(msg : hash, pubkey : address, sig : signature) : bool Checks if the signature of msg was made using private key corresponding to the pubkey ecverify_secp256k1 Crypto.ecverify_secp256k1(msg : hash, addr : bytes(20), sig : bytes(65)) : bool Verifies a signature for a msg against an Ethereum style address. Note that the signature should be 65 bytes and include the recovery identifier byte V . The expected organization of the signature is ( V || R || S ). ecrecover_secp256k1 Crypto.ecrecover_secp256k1(msg : hash, sig : bytes(65)) : option(bytes(20)) Recovers the Ethereum style address from a msg hash and respective ECDSA-signature. Note that the signature should be 65 bytes and include the recovery identifier byte V . The expected organization of the signature is ( V || R || S ). verify_sig_secp256k1 Crypto.verify_sig_secp256k1(msg : hash, pubkey : bytes(64), sig : bytes(64)) : bool Verifies a standard 64-byte ECDSA signature ( R || S ). Int to_str Int.to_str : int => string Casts integer to string using decimal representation Map lookup Map.lookup(k : 'k, m : map('k, 'v)) : option('v) Returns the value under a key in given map as Some or None if the key is not present lookup_default Map.lookup_default(k : 'k, m : map('k, 'v), v : 'v) : 'v Returns the value under a key in given map or the default value v if the key is not present member Map.member(k : 'k, m : map('k, 'v)) : bool Checks if the key is present in the map delete Map.delete(k : 'k, m : map('k, 'v)) : map('k, 'v) Removes the key from the map size Map.size(m : map('k, 'v)) : int Returns the number of elements in the map to_list Map.to_list(m : map('k, 'v)) : list('k * 'v) Returns a list containing pairs of keys and their respective elements. from_list Map.from_list(m : list('k * 'v)) : map('k, 'v) Turns a list of pairs of form (key, value) into a map Oracle register Oracle.register(, acct : address, qfee : int, ttl : Chain.ttl) : oracle('a, 'b) Registers new oracle answering questions of type 'a with answers of type 'b . The acct is the address of the oracle to register (can be the same as the contract). signature is a signature proving that the contract is allowed to register the account - the network id + account address + contract address (concatenated as byte arrays) is signed with the private key of the account, proving you have the private key of the oracle to be. If the address is the same as the contract sign is ignored and can be left out entirely. The qfee is the minimum query fee to be paid by a user when asking a question of the oracle. The ttl is the Time To Live for the oracle in key blocks, either relative to the current key block height ( RelativeTTL(delta) ) or a fixed key block height ( FixedTTL(height) ). The type 'a is the type of the question to ask. The type 'b is the type of the oracle answers. Examples: Oracle.register(addr0, 25, RelativeTTL(400)) Oracle.register(addr1, 25, RelativeTTL(500), signature = sign1) get_question Oracle.get_question(o : oracle('a, 'b), q : oracle_query('a, 'b)) : 'a Checks what was the question of query q on oracle o respond Oracle.respond(, o : oracle('a, 'b), q : oracle_query('a, 'b), 'b) : unit Responds to the question q on o . Unless the contract address is the same as the oracle address the signature (which is an optional, named argument) needs to be provided. Proving that we have the private key of the oracle by signing the network id + oracle query id + contract address extend Oracle.extend(, o : oracle('a, 'b), ttl : Chain.ttl) : unit Extends TTL of an oracle. * singature is a named argument and thus optional. Must be the same as for Oracle.register * o is the oracle being extended * ttl must be RelativeTTL . The time to live of o will be extended by this value. query_fee Oracle.query_fee(o : oracle('a, 'b)) : int Returns the query fee of the oracle query Oracle.query(o : oracle('a, 'b), q : 'a, qfee : int, qttl : Chain.ttl, rttl : Chain.ttl) : oracle_query('a, 'b) Asks the oracle a question. * The qfee is the query fee debited to the contract account ( Contract.address ). * The qttl controls the last height at which the oracle can submit a response and can be either fixed or relative. * The rttl must be relative and controls how long an answer is kept on the chain. The call fails if the oracle could expire before an answer. get_answer Oracle.get_answer(o : oracle('a, 'b), q : oracle_query('a, 'b)) : option('b) Checks what is the optional query answer expiry Oracle.expiry(o : oracle('a, 'b)) : int Ask the oracle when it expires. The result is the block height at which it will happen. check Oracle.check(o : oracle('a, 'b)) : bool Returns true iff the oracle o exists and has correct type check_query Oracle.check_query(o : oracle('a, 'b), q : oracle_query('a, 'b)) : bool It returns true iff the oracle query exist and has the expected type. Includable namespaces These need to be explicitly included (with .aes suffix) Bitwise Bitwise operations on arbitrary precision integers. bsr Bitwise.bsr(n : int, x : int) : int Logical bit shift x right n positions. bsl Bitwise.bsl(n : int, x : int) : int Logical bit shift x left n positions. bsli Bitwise.bsli(n : int, x : int, lim : int) : int Logical bit shift x left n positions, limit to lim bits. band Bitwise.band(x : int, y : int) : int Bitwise and of x and y . bor Bitwise.bor(x : int, y : int) : int Bitwise or of x and y . bxor Bitwise.bxor(x : int, y : int) : int Bitwise xor of x and y . bnot Bitwise.bnot(x : int) : int Bitwise not of x . Defined and implemented as bnot(x) = bxor(x, -1) . uband Bitwise.uband(x : int, y : int) : int Bitwise and of non-negative numbers x and y . ubor Bitwise.ubor(x : int, y : int) : int Bitwise or of non-negative x and y . ubxor Bitwise.ubxor(x : int, y : int) : int Bitwise xor of non-negative x and y . BLS12_381 Types fr Built-in (Montgomery) integer representation 32 bytes fp Built-in (Montgomery) integer representation 48 bytes fp2 record fp2 = { x1 : fp, x2 : fp }` g1 record g1 = { x : fp, y : fp, z : fp } g2 record g2 = { x : fp2, y : fp2, z : fp2 } gt record gt = { x1 : fp, x2 : fp, x3 : fp, x4 : fp, x5 : fp, x6 : fp, x7 : fp, x8 : fp, x9 : fp, x10 : fp, x11 : fp, x12 : fp } Functions pairing_check BLS12_381.pairing_check(xs : list(g1), ys : list(g2)) : bool Pairing check of a list of points, xs and ys should be of equal length. int_to_fr BLS12_381.int_to_fr(x : int) : fr Convert an integer to an fr - a 32 bytes internal (Montgomery) integer representation. int_to_fp BLS12_381.int_to_fp(x : int) : fp Convert an integer to an fp - a 48 bytes internal (Montgomery) integer representation. fr_to_int BLS12_381.fr_to_int(x : fr) : int Convert a fr value into an integer. fp_to_int BLS12_381.fp_to_int(x : fp) : int Convert a fp value into an integer. mk_g1 BLS12_381.mk_g1(x : int, y : int, z : int) : g1 Construct a g1 point from three integers. mk_g2 BLS12_381.mk_g2(x1 : int, x2 : int, y1 : int, y2 : int, z1 : int, z2 : int) : g2 Construct a g2 point from six integers. g1_neg BLS12_381.g1_neg(p : g1) : g1 Negate a g1 value. g1_norm BLS12_381.g1_norm(p : g1) : g1 Normalize a g1 value. g1_valid BLS12_381.g1_valid(p : g1) : bool Check that a g1 value is a group member. g1_is_zero BLS12_381.g1_is_zero(p : g1) : bool Check if a g1 value corresponds to the zero value of the group. g1_add BLS12_381.g1_add(p : g1, q : g1) : g1 Add two g1 values. g1_mul BLS12_381.g1_mul(k : fr, p : g1) : g1 Scalar multiplication for g1 . g2_neg BLS12_381.g2_neg(p : g2) : g2 Negate a g2 value. g2_norm BLS12_381.g2_norm(p : g2) : g2 Normalize a g2 value. g2_valid BLS12_381.g2_valid(p : g2) : bool Check that a g2 value is a group member. g2_is_zero BLS12_381.g2_is_zero(p : g2) : bool Check if a g2 value corresponds to the zero value of the group. g2_add BLS12_381.g2_add(p : g2, q : g2) : g2 Add two g2 values. g2_mul BLS12_381.g2_mul(k : fr, p : g2) : g2 Scalar multiplication for g2 . gt_inv BLS12_381.gt_inv(p : gt) : gt Invert a gt value. gt_add BLS12_381.gt_add(p : gt, q : gt) : gt Add two gt values. gt_mul BLS12_381.gt_mul(p : gt, q : gt) : gt Multiply two gt values. gt_pow BLS12_381.gt_pow(p : gt, k : fr) : gt Calculate exponentiation p ^ k . gt_is_one BLS12_381.gt_is_one(p : gt) : bool Compare a gt value to the unit value of the Gt group. pairing BLS12_381.pairing(p : g1, q : g2) : gt Compute the pairing of a g1 value and a g2 value. miller_loop BLS12_381.miller_loop(p : g1, q : g2) : gt Do the Miller loop stage of pairing for g1 and g2 . final_exp BLS12_381.final_exp(p : gt) : gt Perform the final exponentiation step of pairing for a gt value. Func Functional combinators. id Func.id(x : 'a) : 'a Identity function. Returns its argument. const Func.const(x : 'a) : 'b => 'a = (y) => x Constant function constructor. Given x returns a function that returns x regardless of its argument. flip Func.flip(f : ('a, 'b) => 'c) : ('b, 'a) => 'c Switches order of arguments of arity 2 function. comp Func.comp(f : 'b => 'c, g : 'a => 'b) : 'a => 'c Function composition. comp(f, g)(x) == f(g(x)) . pipe Func.pipe(f : 'a => 'b, g : 'b => 'c) : 'a => 'c Flipped function composition. pipe(f, g)(x) == g(f(x)) . rapply Func.rapply(x : 'a, f : 'a => 'b) : 'b Reverse application. rapply(x, f) == f(x) . recur Func.recur(f : ('arg => 'res, 'arg) => 'res) : 'arg => 'res The Z combinator. Allows performing local recursion and having anonymous recursive lambdas. To make function A => B recursive the user needs to transform it to take two arguments instead \u2013 one of type A => B which is going to work as a self-reference, and the other one of type A which is the original argument. Therefore, transformed function should have (A => B, A) => B signature. Example usage: let factorial = recur((fac, n) => if(n < 2) 1 else n * fac(n - 1)) If the function is going to take more than one argument it will need to be either tuplified or have curried out latter arguments. Example (factorial with custom step): // tuplified version let factorial_t(n, step) = let fac(rec, args) = let (n, step) = args if(n < 2) 1 else n * rec((n - step, step)) recur(fac)((n, step)) // curried version let factorial_c(n, step) = let fac(rec, n) = (step) => if(n < 2) 1 else n * rec(n - 1)(step) recur(fac)(n)(step) iter Func.iter(n : int, f : 'a => 'a) : 'a => 'a n th composition of f with itself, for instance iter(3, f) is equivalent to (x) => f(f(f(x))) . curry Func.curry2(f : ('a, 'b) => 'c) : 'a => ('b => 'c) Func.curry3(f : ('a, 'b, 'c) => 'd) : 'a => ('b => ('c => 'd)) Turns a function that takes n arguments into a curried function that takes one argument and returns a function that waits for the rest in the same manner. For instance curry2((a, b) => a + b)(1)(2) == 3 . uncurry Func.uncurry2(f : 'a => ('b => 'c)) : ('a, 'b) => 'c Func.uncurry3(f : 'a => ('b => ('c => 'd))) : ('a, 'b, 'c) => 'd Opposite to curry . tuplify Func.tuplify2(f : ('a, 'b) => 'c) : (('a * 'b)) => 'c Func.tuplify3(f : ('a, 'b, 'c) => 'd) : 'a * 'b * 'c => 'd Turns a function that takes n arguments into a function that takes an n-tuple. untuplify Func.untuplify2(f : 'a * 'b => 'c) : ('a, 'b) => 'c Func.untuplify3(f : 'a * 'b * 'c => 'd) : ('a, 'b, 'c) => 'd Opposite to tuplify . Frac This namespace provides operations on rational numbers. A rational number is represented as a fraction of two integers which are stored internally in the frac datatype. The datatype consists of three constructors Neg/2 , Zero/0 and Pos/2 which determine the sign of the number. Both values stored in Neg and Pos need to be strictly positive integers. However, when creating a frac you should never use the constructors explicitly. Instead of that, always use provided functions like make_frac or from_int . This helps keeping the internal representation well defined. The described below functions take care of the normalization of the fractions \u2013 they won't grow if it is unnecessary. Please note that the size of frac can be still very big while the value is actually very close to a natural number \u2013 the division of two extremely big prime numbers will be as big as both of them. To face this issue the optimize function is provided. It will approximate the value of the fraction to fit in the given error margin and to shrink its size as much as possible. Important note: frac must not be compared using standard < -like operators. The operator comparison is not possible to overload at this moment, nor the language provides checkers to prevent unintended usage of them. Therefore the typechecker will allow that and the results of such comparison will be unspecified. You should use lt , geq , eq etc instead. Types frac datatype frac = Pos(int, int) | Zero | Neg(int, int) Internal representation of fractional numbers. First integer encodes the numerator and the second the denominator \u2013 both must be always positive, as the sign is being handled by the choice of the constructor. Functions make_frac Frac.make_frac(n : int, d : int) : frac Creates a fraction out of numerator and denominator. Automatically normalizes, so make_frac(2, 4) and make_frac(1, 2) will yield same results. num Frac.num(f : frac) : int Returns the numerator of a fraction. den Frac.den(f : frac) : int Returns the denominator of a fraction. to_pair Frac.to_pair(f : frac) : int * int Turns a fraction into a pair of numerator and denominator. sign Frac.sign(f : frac) : int Returns the signum of a fraction, -1, 0, 1 if negative, zero, positive respectively. to_str Frac.to_str(f : frac) : string Conversion to string. Does not display division by 1 or denominator if equals zero. simplify Frac.simplify(f : frac) : frac Reduces fraction to normal form if for some reason it is not in it. eq Frac.eq(a : frac, b : frac) : bool Checks if a is equal to b . neq Frac.neq(a : frac, b : frac) : bool Checks if a is not equal to b . geq Frac.geq(a : frac, b : frac) : bool Checks if a is greater or equal to b . leq Frac.leq(a : frac, b : frac) : bool Checks if a is lesser or equal to b . gt Frac.gt(a : frac, b : frac) : bool Checks if a is greater than b . lt Frac.lt(a : frac, b : frac) : bool Checks if a is lesser than b . min Frac.min(a : frac, b : frac) : frac Chooses lesser of the two fractions. max Frac.max(a : frac, b : frac) : frac Chooses greater of the two fractions. abs Frac.abs(f : frac) : frac Absolute value. from_int Frac.from_int(n : int) : frac From integer conversion. Effectively make_frac(n, 1) . floor Frac.floor(f : frac) : int Rounds a fraction to the nearest lesser or equal integer. ceil Frac.ceil(f : frac) : int Rounds a fraction to the nearest greater or equal integer. round_to_zero Frac.round_to_zero(f : frac) : int Rounds a fraction towards zero. Effectively ceil if lesser than zero and floor if greater. round_from_zero Frac.round_from_zero(f : frac) : int Rounds a fraction from zero. Effectively ceil if greater than zero and floor if lesser. round Frac.round(f : frac) : int Rounds a fraction to a nearest integer. If two integers are in the same distance it will choose the even one. add Frac.add(a : frac, b : frac) : frac Sum of the fractions. neg Frac.neg(a : frac) : frac Negation of the fraction. sub Frac.sub(a : frac, b : frac) : frac Subtraction of two fractions. inv Frac.inv(a : frac) : frac Inverts a fraction. Throws error if a is zero. mul Frac.mul(a : frac, b : frac) : frac Multiplication of two fractions. div Frac.div(a : frac, b : frac) : frac Division of two fractions. int_exp Frac.int_exp(b : frac, e : int) : frac Takes b to the power of e . The exponent can be a negative value. optimize Frac.optimize(f : frac, loss : frac) : frac Shrink the internal size of a fraction as much as possible by approximating it to the point where the error would exceed the loss value. is_sane Frac.is_sane(f : frac) : bool For debugging. If it ever returns false in a code that doesn't call frac constructors or accept arbitrary frac s from the surface you should report it as a bug If you expect getting calls with malformed frac s in your contract, you should use this function to verify the input. List This module contains common operations on lists like constructing, querying, traversing etc. is_empty List.is_empty(l : list('a)) : bool Returns true iff the list is equal to [] . first List.first(l : list('a)) : option('a) Returns Some of the first element of a list or None if the list is empty. tail List.tail(l : list('a)) : option(list('a)) Returns Some of a list without its first element or None if the list is empty. last List.last(l : list('a)) : option('a) Returns Some of the last element of a list or None if the list is empty. contains List.contains(e : 'a, l : list('a)) : bool Checks if list l contains element e . Equivalent to List.find(x => x == e, l) != None . find List.find(p : 'a => bool, l : list('a)) : option('a) Finds first element of l fulfilling predicate p as Some or None if no such element exists. find_indices List.find_indices(p : 'a => bool, l : list('a)) : list(int) Returns list of all indices of elements from l that fulfill the predicate p . nth List.nth(n : int, l : list('a)) : option('a) Gets n th element of l as Some or None if l is shorter than n + 1 or n is negative. get List.get(n : int, l : list('a)) : 'a Gets n th element of l forcefully, throwing and error if l is shorter than n + 1 or n is negative. length List.length(l : list('a)) : int Returns length of a list. from_to List.from_to(a : int, b : int) : list(int) Creates an ascending sequence of all integer numbers between a and b (including a and b ). from_to_step List.from_to_step(a : int, b : int, step : int) : list(int) Creates an ascending sequence of integer numbers betweeen a and b jumping by given step . Includes a and takes b only if (b - a) mod step == 0 . step should be bigger than 0. replace_at List.replace_at(n : int, e : 'a, l : list('a)) : list('a) Replaces n th element of l with e . Throws an error if n is negative or would cause an overflow. insert_at List.insert_at(n : int, e : 'a, l : list('a)) : list('a) Inserts e into l to be on position n by shifting following elements further. For instance, insert_at(2, 9, [1,2,3,4]) will yield [1,2,9,3,4] . insert_by List.insert_by(cmp : (('a, 'a) => bool), x : 'a, l : list('a)) : list('a) Assuming that cmp represents < comparison, inserts x before the first element in the list l which is greater than it. For instance, insert_by((a, b) => a < b, 4, [1,2,3,5,6,7]) will yield [1,2,3,4,5,6,7] foldr List.foldr(cons : ('a, 'b) => 'b, nil : 'b, l : list('a)) : 'b Right fold of a list. Assuming l = [x, y, z] will return f(x, f(y, f(z, nil))) . Not tail recursive. foldl List.foldl(rcons : ('b, 'a) => 'b, acc : 'b, l : list('a)) : 'b Left fold of a list. Assuming l = [x, y, z] will return f(f(f(acc, x), y), z) . Tail recursive. foreach List.foreach(l : list('a), f : 'a => unit) : unit Evaluates f on each element of a list. reverse List.reverse(l : list('a)) : list('a) Returns a copy of l with reversed order of elements. map List.map(f : 'a => 'b, l : list('a)) : list('b) Maps function f over a list. For instance map((x) => x == 0, [1, 2, 0, 3, 0]) will yield [false, false, true, false, true] flat_map List.flat_map(f : 'a => list('b), l : list('a)) : list('b) Maps f over a list and then flattens it. For instance flat_map((x) => [x, x * 10], [1, 2, 3]) will yield [1, 10, 2, 20, 3, 30] filter List.filter(p : 'a => bool, l : list('a)) : list('a) Filters out elements of l that fulfill predicate p . For instance filter((x) => x > 0, [-1, 1, -2, 0, 1, 2, -3]) will yield [1, 1, 2] take List.take(n : int, l : list('a)) : list('a) Takes n first elements of l . Fails if n is negative. If n is greater than length of a list it will return whole list. drop List.drop(n : int, l : list('a)) : list('a) Removes n first elements of l . Fails if n is negative. If n is greater than length of a list it will return [] . take_while List.take_while(p : 'a => bool, l : list('a)) : list('a) Returns longest prefix of l in which all elements fulfill p . drop_while List.drop_while(p : 'a => bool, l : list('a)) : list('a) Removes longest prefix from l in which all elements fulfill p . partition List.partition(p : 'a => bool, l : list('a)) : (list('a) * list('a)) Separates elements of l that fulfill p and these that do not. Elements fulfilling predicate will be in the right list. For instance partition((x) => x > 0, [-1, 1, -2, 0, 1, 2, -3]) will yield ([1, 1, 2], [-1, -2, 0, -3]) flatten List.flatten(ll : list(list('a))) : list('a) Flattens a list of lists into a one list. all List.all(p : 'a => bool, l : list('a)) : bool Checks if all elements of a list fulfill predicate p . any List.any(p : 'a => bool, l : list('a)) : bool Checks if any element of a list fulfills predicate p . sum List.sum(l : list(int)) : int Sums elements of a list. Returns 0 if the list is empty. product List.product(l : list(int)) : int Multiplies elements of a list. Returns 1 if the list is empty. zip_with List.zip_with(f : ('a, 'b) => 'c, l1 : list('a), l2 : list('b)) : list('c) \"zips\" two lists with a function. n-th element of resulting list will be equal to f(x1, x2) where x1 and x2 are n-th elements of l1 and l2 respectively. Will cut off the tail of the longer list. For instance zip_with((a, b) => a + b, [1,2], [1,2,3]) will yield [2,4] zip List.zip(l1 : list('a), l2 : list('b)) : list('a * 'b) Special case of zip_with where the zipping function is (a, b) => (a, b) . unzip List.unzip(l : list('a * 'b)) : list('a) * list('b) Opposite to the zip operation. Takes a list of pairs and returns pair of lists with respective elements on same indices. merge List.merge(lesser_cmp : ('a, 'a) => bool, l1 : list('a), l2 : list('a)) : list('a) Merges two sorted lists into a single sorted list. O(length(l1) + length(l2)) sort List.sort(lesser_cmp : ('a, 'a) => bool, l : list('a)) : list('a) Sorts a list using given comparator. lesser_cmp(x, y) should return true iff x < y . If lesser_cmp is not transitive or there exists an element x such that lesser_cmp(x, x) or there exists a pair of elements x and y such that lesser_cmp(x, y) && lesser_cmp(y, x) then the result is undefined. O(length(l) * log_2(length(l))). intersperse List.intersperse(delim : 'a, l : list('a)) : list('a) Intersperses elements of l with delim . Does nothing on empty lists and singletons. For instance intersperse(0, [1, 2, 3, 4]) will yield [1, 0, 2, 0, 3, 0, 4] enumerate List.enumerate(l : list('a)) : list(int * 'a) Equivalent to zip with [0..length(l)] , but slightly faster. Option Common operations on option types and lists of option s. is_none Option.is_none(o : option('a)) : bool Returns true iff o == None is_some Option.is_some(o : option('a)) : bool Returns true iff o is not None . match Option.match(n : 'b, s : 'a => 'b, o : option('a)) : 'b Behaves like pattern matching on option using two case functions. default Option.default(def : 'a, o : option('a)) : 'a Escapes option wrapping by providing default value for None . force Option.force(o : option('a)) : 'a Forcefully escapes the option wrapping assuming it is Some . Aborts on None . force_msg Option.force_msg(o : option('a), err : string) : 'a Forcefully escapes the option wrapping assuming it is Some . Aborts with err error message on None . contains Option.contains(e : 'a, o : option('a)) : bool Returns true if and only if o contains element equal to e . Equivalent to Option.match(false, x => x == e, o) . on_elem Option.on_elem(o : option('a), f : 'a => unit) : unit Evaluates f on element under Some . Does nothing on None . map Option.map(f : 'a => 'b, o : option('a)) : option('b) Maps element under Some . Leaves None unchanged. map2 Option.map2(f : ('a, 'b) => 'c, o1 : option('a), o2 : option('b)) : option('c) Applies arity 2 function over two option s' elements. Returns Some iff both of o1 and o2 were Some , or None otherwise. For instance map2((a, b) => a + b, Some(1), Some(2)) will yield Some(3) and map2((a, b) => a + b, Some(1), None) will yield None . map3 Option.map3(f : ('a, 'b, 'c) => 'd, o1 : option('a), o2 : option('b), o3 : option('c)) : option('d) Same as map2 but with arity 3 function. app_over Option.app_over(f : option ('a => 'b), o : option('a)) : option('b) Applies function under option over argument under option . If either of them is None the result will be None as well. For instance app_over(Some((x) => x + 1), Some(1)) will yield Some(2) and app_over(Some((x) => x + 1), None) will yield None . flat_map Option.flat_map(f : 'a => option('b), o : option('a)) : option('b) Performs monadic bind on an option . Extracts element from o (if present) and forms new option from it. For instance flat_map((x) => Some(x + 1), Some(1)) will yield Some(2) and flat_map((x) => Some(x + 1), None) will yield None . to_list Option.to_list(o : option('a)) : list('a) Turns o into an empty (if None ) or singleton (if Some ) list. filter_options Option.filter_options(l : list(option('a))) : list('a) Removes None s from list and unpacks all remaining Some s. For instance filter_options([Some(1), None, Some(2)]) will yield [1, 2] . seq_options Option.seq_options(l : list (option('a))) : option (list('a)) Tries to unpack all elements of a list from Some s. Returns None if at least element of l is None . For instance seq_options([Some(1), Some(2)]) will yield Some([1, 2]) , but seq_options([Some(1), Some(2), None]) will yield None . choose Option.choose(o1 : option('a), o2 : option('a)) : option('a) Out of two option s choose the one that is Some , or None if both are None s. choose_first Option.choose_first(l : list(option('a))) : option('a) Same as choose , but chooses from a list insted of two arguments. Pair Common operations on 2-tuples. fst Pair.fst(t : ('a * 'b)) : 'a First element projection. snd Pair.snd(t : ('a * 'b)) : 'b Second element projection. map1 Pair.map1(f : 'a => 'c, t : ('a * 'b)) : ('c * 'b) Applies function over first element. map2 Pair.map2(f : 'b => 'c, t : ('a * 'b)) : ('a * 'c) Applies function over second element. bimap Pair.bimap(f : 'a => 'c, g : 'b => 'd, t : ('a * 'b)) : ('c * 'd) Applies functions over respective elements. swap Pair.swap(t : ('a * 'b)) : ('b * 'a) Swaps elements. Set Types record set('a) = { to_map : map('a, unit) } Functions new Set.new() : set('a) Returns an empty set member member(e : 'a, s : set('a)) : bool Checks if the element e is present in the set s insert insert(e : 'a, s : set('a)) : set('a) Inserts the element e in the set s delete Set.delete(e : 'a, s : set('a)) : set('a) Removes the element e from the set s size size(s : set('a)) : int Returns the number of elements in the set s to_list Set.to_list(s : set('a)) : list('a) Returns a list containing the elements of the set s from_list Set.from_list(l : list('a)) : set('a) Turns the list l into a set filter Set.filter(p : 'a => bool, s : set('a)) : set('a) Filters out elements of s that fulfill predicate p fold Set.fold(f : ('a, 'b) => 'b, acc : 'b, s : set('a)) : 'b Folds the function f over every element in the set s and returns the final value of the accumulator acc . subtract Set.subtract(s1 : set('a), s2 : set('a)) : set('a) Returns the elements of s1 that are not members of s2 intersection Set.intersection(s1 : set('a), s2 : set('a)) : set('a) Returns the intersection of the two sets s1 and s2 intersection_list Set.intersection_list(sets : list(set('a))) : set('a) Returns the intersection of all the sets in the given list union Set.union(s1 : set('a), s2 : set('a)) : set('a) Returns the union of the two sets s1 and s2 union_list Set.union_list(sets : list(set('a))) : set('a) Returns the union of all the sets in the given list String Operations on the string type. A string is a UTF-8 encoded byte array. length length(s : string) : int The length of a string. Note: not equivalent to byte size of the string, rather List.length(String.to_list(s)) concat concat(s1 : string, s2 : string) : string Concatenates s1 and s2 . concats concats(ss : list(string)) : string Concatenates a list of strings. to_list to_list(s : string) : list(char) Converts a string to a list of char - the code points are normalized, but composite characters are possibly converted to multiple char s. For example the string \"\ud83d\ude1ci\u0307\" is converted to [128540,105,775] - where the smiley is the first code point and the strangely dotted i becomes [105, 775] . from_list from_list(cs : list(char)) : string Converts a list of characters into a normalized UTF-8 string. to_lower to_lower(s : string) : string Converts a string to lowercase. to_upper to_upper(s : string) : string Converts a string to uppercase. at at(ix : int, s : string) : option(char) Returns the character/codepoint at (zero-based) index ix . Basically the equivalent to List.nth(ix, String.to_list(s)) . split split(ix : int, s:string) : string * string Splits a string at (zero-based) index ix . contains contains(str : string, pat : string) : option(int) Searches for pat in str , returning Some(ix) if pat is a substring of str starting at position ix , otherwise returns None . tokens tokens(str : string, pat : string) : list(string) Splits str into tokens, pat is the divider of tokens. to_int to_int(s : string) : option(int) Converts a decimal (\"123\", \"-253\") or a hexadecimal (\"0xa2f\", \"-0xBBB\") string into an integer. If the string doesn't contain a valid number None is returned. sha3 sha3(s : string) : hash Computes the SHA3/Keccak hash of the string. sha256 sha256(s : string) : hash Computes the SHA256 hash of the string. blake2b blake2b(s : string) : hash Computes the Blake2B hash of the string. Triple fst Triple.fst(t : ('a * 'b * 'c)) : 'a First element projection. snd Triple.snd(t : ('a * 'b * 'c)) : 'b Second element projection. thd Triple.thd(t : ('a * 'b * 'c)) : 'c Third element projection. map1 Triple.map1(f : 'a => 'm, t : ('a * 'b * 'c)) : ('m * 'b * 'c) Applies function over first element. map2 Triple.map2(f : 'b => 'm, t : ('a * 'b * 'c)) : ('a * 'm * 'c) Applies function over second element. map3 Triple.map3(f : 'c => 'm, t : ('a * 'b * 'c)) : ('a * 'b * 'm) Applies function over third element. trimap Triple.trimap(f : 'a => 'x, g : 'b => 'y, h : 'c => 'z, t : ('a * 'b * 'c)) : ('x * 'y * 'z) Applies functions over respective elements. swap Triple.swap(t : ('a * 'b * 'c)) : ('c * 'b * 'a) Swaps first and third element. rotr Triple.rotr(t : ('a * 'b * 'c)) : ('c * 'a * 'b) Cyclic rotation of the elements to the right. rotl Triple.rotl(t : ('a * 'b * 'c)) : ('b * 'c * 'a) Cyclic rotation of the elements to the left.","title":"Standard library"},{"location":"sophia_stdlib/#standard-library","text":"Sophia language offers standard library that consists of several namespaces. Some of them are already in the scope and do not need any actions to be used, while the others require some files to be included. The out-of-the-box namespaces are: Address AENS Auth Bits Bytes Call Chain Char Contract Crypto Int Map Oracle The following ones need to be included as regular files with .aes suffix, for example include \"List.aes\" Bitwise BLS12_381 Func Frac List Option Pair Set String Triple","title":"Standard library"},{"location":"sophia_stdlib/#builtin-namespaces","text":"They are available without any explicit includes.","title":"Builtin namespaces"},{"location":"sophia_stdlib/#address","text":"","title":"Address"},{"location":"sophia_stdlib/#aens","text":"The following functionality is available for interacting with the \u00e6ternity naming system (AENS). If owner is equal to Contract.address the signature signature is ignored, and can be left out since it is a named argument. Otherwise we need a signature to prove that we are allowed to do AENS operations on behalf of owner . The signature is tied to a network id , i.e. the signature material should be prefixed by the network id.","title":"AENS"},{"location":"sophia_stdlib/#auth","text":"","title":"Auth"},{"location":"sophia_stdlib/#bits","text":"","title":"Bits"},{"location":"sophia_stdlib/#bytes","text":"","title":"Bytes"},{"location":"sophia_stdlib/#call","text":"Values related to the call to the current contract","title":"Call"},{"location":"sophia_stdlib/#chain","text":"Values and functions related to the chain itself and other entities that live on it.","title":"Chain"},{"location":"sophia_stdlib/#char","text":"","title":"Char"},{"location":"sophia_stdlib/#contract","text":"Values related to the current contract","title":"Contract"},{"location":"sophia_stdlib/#crypto","text":"","title":"Crypto"},{"location":"sophia_stdlib/#int","text":"","title":"Int"},{"location":"sophia_stdlib/#map","text":"","title":"Map"},{"location":"sophia_stdlib/#oracle","text":"","title":"Oracle"},{"location":"sophia_stdlib/#includable-namespaces","text":"These need to be explicitly included (with .aes suffix)","title":"Includable namespaces"},{"location":"sophia_stdlib/#bitwise","text":"Bitwise operations on arbitrary precision integers.","title":"Bitwise"},{"location":"sophia_stdlib/#bls12_381","text":"","title":"BLS12\u000295\u0003381"},{"location":"sophia_stdlib/#func","text":"Functional combinators.","title":"Func"},{"location":"sophia_stdlib/#frac","text":"This namespace provides operations on rational numbers. A rational number is represented as a fraction of two integers which are stored internally in the frac datatype. The datatype consists of three constructors Neg/2 , Zero/0 and Pos/2 which determine the sign of the number. Both values stored in Neg and Pos need to be strictly positive integers. However, when creating a frac you should never use the constructors explicitly. Instead of that, always use provided functions like make_frac or from_int . This helps keeping the internal representation well defined. The described below functions take care of the normalization of the fractions \u2013 they won't grow if it is unnecessary. Please note that the size of frac can be still very big while the value is actually very close to a natural number \u2013 the division of two extremely big prime numbers will be as big as both of them. To face this issue the optimize function is provided. It will approximate the value of the fraction to fit in the given error margin and to shrink its size as much as possible. Important note: frac must not be compared using standard < -like operators. The operator comparison is not possible to overload at this moment, nor the language provides checkers to prevent unintended usage of them. Therefore the typechecker will allow that and the results of such comparison will be unspecified. You should use lt , geq , eq etc instead.","title":"Frac"},{"location":"sophia_stdlib/#list","text":"This module contains common operations on lists like constructing, querying, traversing etc.","title":"List"},{"location":"sophia_stdlib/#option","text":"Common operations on option types and lists of option s.","title":"Option"},{"location":"sophia_stdlib/#pair","text":"Common operations on 2-tuples.","title":"Pair"},{"location":"sophia_stdlib/#set_1","text":"","title":"Set"},{"location":"sophia_stdlib/#string","text":"Operations on the string type. A string is a UTF-8 encoded byte array.","title":"String"},{"location":"sophia_stdlib/#triple","text":"","title":"Triple"},{"location":"sophia_syntax/","text":"Syntax Lexical syntax Comments Single line comments start with // and block comments are enclosed in /* and */ and can be nested. Keywords contract include let switch type record datatype if elif else function stateful payable true false mod public entrypoint private indexed namespace interface main using as for hiding Tokens Id = [a-z_][A-Za-z0-9_']* identifiers start with a lower case letter. Con = [A-Z][A-Za-z0-9_']* constructors start with an upper case letter. QId = (Con\\.)+Id qualified identifiers (e.g. Map.member ) QCon = (Con\\.)+Con qualified constructor TVar = 'Id type variable (e.g 'a , 'b ) Int = [0-9]+(_[0-9]+)*|0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)* integer literal with optional _ separators Bytes = #[0-9A-Fa-f]+(_[0-9A-Fa-f]+)* byte array literal with optional _ separators String string literal enclosed in \" with escape character \\ Char character literal enclosed in ' with escape character \\ AccountAddress base58-encoded 32 byte account pubkey with ak_ prefix ContractAddress base58-encoded 32 byte contract address with ct_ prefix OracleAddress base58-encoded 32 byte oracle address with ok_ prefix OracleQueryId base58-encoded 32 byte oracle query id with oq_ prefix Valid string escape codes are Escape ASCII \\b 8 \\t 9 \\n 10 \\v 11 \\f 12 \\r 13 \\e 27 \\xHexDigits HexDigits See the identifier encoding scheme for the details on the base58 literals. Layout blocks Sophia uses Python-style layout rules to group declarations and statements. A layout block with more than one element must start on a separate line and be indented more than the currently enclosing layout block. Blocks with a single element can be written on the same line as the previous token. Each element of the block must share the same indentation and no part of an element may be indented less than the indentation of the block. For instance contract Layout = function foo () = 0 // no layout function bar () = // layout block starts on next line let x = foo () // indented more than 2 spaces x + 1 // the '+' is indented more than the 'x' Notation In describing the syntax below, we use the following conventions: Upper-case identifiers denote non-terminals (like Expr ) or terminals with some associated value (like Id ). Keywords and symbols are enclosed in single quotes: 'let' or '=' . Choices are separated by vertical bars: | . Optional elements are enclosed in [ square brackets ] . ( Parentheses ) are used for grouping. Zero or more repetitions are denoted by a postfix * , and one or more repetitions by a + . Block(X) denotes a layout block of X s. Sep(X, S) is short for [X (S X)*] , i.e. a possibly empty sequence of X s separated by S s. Sep1(X, S) is short for X (S X)* , i.e. same as Sep , but must not be empty. Declarations A Sophia file consists of a sequence of declarations in a layout block. File ::= Block ( TopDecl ) TopDecl ::= [ ' payable ' ] [ ' main ' ] ' contract ' Con [ Implement ] '=' Block ( Decl ) | ' contract ' ' interface ' Con [ Implement ] '=' Block ( Decl ) | ' namespace ' Con '=' Block ( Decl ) | '@ compiler ' PragmaOp Version | ' include ' String | Using Implement ::= ':' Sep1 ( Con , ',' ) Decl ::= ' type ' Id [ '(' TVar * ')' ] '=' TypeAlias | ' record ' Id [ '(' TVar * ')' ] '=' RecordType | ' datatype ' Id [ '(' TVar * ')' ] '=' DataType | ( EModifier * ' entrypoint ' | FModifier * ' function ' ) Block ( FunDecl ) | Using FunDecl ::= Id ':' Type // Type signature | Id Args [ ':' Type ] '=' Block ( Stmt ) // Definition | Id Args [ ':' Type ] Block ( GuardedDef ) // Guarded definitions GuardedDef ::= '|' Sep1 ( Expr , ',' ) '=' Block ( Stmt ) Using ::= ' using ' Con [ ' as ' Con ] [ UsingParts ] UsingParts ::= ' for ' ' [ ' Sep1 ( Id , ',' ) ']' | ' hiding ' ' [ ' Sep1 ( Id , ',' ) ']' PragmaOp ::= '<' | ' =< ' | ' == ' | ' >= ' | '>' Version ::= Sep1 ( Int , '.' ) EModifier ::= ' payable ' | ' stateful ' FModifier ::= ' stateful ' | ' private ' Args ::= '(' Sep ( Pattern , ',' ) ')' Contract declarations must appear at the top-level. For example, contract Test = type t = int entrypoint add ( x : t , y : t ) = x + y There are three forms of type declarations: type aliases (declared with the type keyword), record type definitions ( record ) and data type definitions ( datatype ): TypeAlias ::= Type RecordType ::= '{' Sep ( FieldType , ',' ) '}' DataType ::= Sep1 ( ConDecl , '|' ) FieldType ::= Id ':' Type ConDecl ::= Con [ '(' Sep1 ( Type , ',' ) ')' ] For example, record point ( 'a ) = { x : 'a , y : 'a } datatype shape ( 'a ) = Circle ( point ( 'a ), 'a ) | Rect ( point ( 'a ), point ( 'a )) type int_shape = shape ( int ) Types Type ::= Domain ' => ' Type // Function type | Type '(' Sep ( Type , ',' ) ')' // Type application | '(' Type ')' // Parens | ' unit ' | Sep ( Type , '*' ) // Tuples | Id | QId | TVar Domain ::= Type // Single argument | '(' Sep ( Type , ',' ) ')' // Multiple arguments The function type arrow associates to the right. Example, 'a => list ( 'a ) => ( int * list ( 'a )) Statements Function bodies are blocks of statements , where a statement is one of the following Stmt ::= ' switch ' ' ( ' Expr ')' Block ( Case ) | ' if ' ' ( ' Expr ')' Block ( Stmt ) | ' elif ' ' ( ' Expr ')' Block ( Stmt ) | ' else ' Block ( Stmt ) | ' let ' LetDef | Using | Expr LetDef ::= Id Args [ ':' Type ] '=' Block ( Stmt ) // Function definition | Pattern '=' Block ( Stmt ) // Value definition Case ::= Pattern ' => ' Block ( Stmt ) | Pattern Block ( GuardedCase ) GuardedCase ::= '|' Sep1 ( Expr , ',' ) ' => ' Block ( Stmt ) Pattern ::= Expr if statements can be followed by zero or more elif statements and an optional final else statement. For example, let x : int = 4 switch ( f ( x )) None => 0 Some ( y ) => if ( y > 10 ) \"too big\" elif ( y < 3 ) \"too small\" else \"just right\" Expressions Expr ::= '(' LamArgs ')' ' => ' Block ( Stmt ) // Anonymous function (x) => x + 1 | '(' BinOp ')' // Operator lambda (+) | ' if ' ' ( ' Expr ')' Expr ' else ' Expr // If expression if(x < y) y else x | Expr ':' Type // Type annotation 5 : int | Expr BinOp Expr // Binary operator x + y | UnOp Expr // Unary operator ! b | Expr '(' Sep ( Expr , ',' ) ')' // Application f(x, y) | Expr '.' Id // Projection state.x | Expr '[' Expr ']' // Map lookup map[key] | Expr '{' Sep ( FieldUpdate , ',' ) '}' // Record or map update r{ fld[key].x = y } | '[' Sep ( Expr , ',' ) ']' // List [1, 2, 3] | '[' Expr '|' Sep ( Generator , ',' ) ']' // List comprehension [k | x <- [1], if (f(x)), let k = x+1] | '[' Expr ' .. ' Expr ']' // List range [1..n] | '{' Sep ( FieldUpdate , ',' ) '}' // Record or map value {x = 0, y = 1}, {[key] = val} | '(' Expr ')' // Parens (1 + 2) * 3 | '(' Expr '=' Expr ')' // Assign pattern (y = x::_) | Id | Con | QId | QCon // Identifiers x, None, Map.member, AELib.Token | Int | Bytes | String | Char // Literals 123, 0xff, #00abc123, \"foo\", '%' | AccountAddress | ContractAddress // Chain identifiers | OracleAddress | OracleQueryId // Chain identifiers Generator ::= Pattern ' <- ' Expr // Generator | ' if ' ' ( ' Expr ')' // Guard | LetDef // Definition LamArgs ::= '(' Sep ( LamArg , ',' ) ')' LamArg ::= Id [ ':' Type ] FieldUpdate ::= Path '=' Expr Path ::= Id // Record field | '[' Expr ']' // Map key | Path '.' Id // Nested record field | Path '[' Expr ']' // Nested map key BinOp ::= ' || ' | ' && ' | '<' | '>' | ' =< ' | ' >= ' | ' == ' | ' != ' | ' :: ' | ' ++ ' | '+' | '-' | '*' | '/' | ' mod ' | '^' | ' |> ' UnOp ::= '-' | '!' Operators types Operators Type - + * / mod ^ arithmetic operators ! && || logical operators == != < > =< >= comparison operators :: ++ list operators |> functional operators Operator precedence In order of highest to lowest precedence. Operators Associativity ! right ^ left * / mod left - (unary) right + - left :: ++ right < > =< >= == != none && right || right |> left","title":"Syntax"},{"location":"sophia_syntax/#syntax","text":"","title":"Syntax"},{"location":"sophia_syntax/#lexical-syntax","text":"","title":"Lexical syntax"},{"location":"sophia_syntax/#comments","text":"Single line comments start with // and block comments are enclosed in /* and */ and can be nested.","title":"Comments"},{"location":"sophia_syntax/#keywords","text":"contract include let switch type record datatype if elif else function stateful payable true false mod public entrypoint private indexed namespace interface main using as for hiding","title":"Keywords"},{"location":"sophia_syntax/#tokens","text":"Id = [a-z_][A-Za-z0-9_']* identifiers start with a lower case letter. Con = [A-Z][A-Za-z0-9_']* constructors start with an upper case letter. QId = (Con\\.)+Id qualified identifiers (e.g. Map.member ) QCon = (Con\\.)+Con qualified constructor TVar = 'Id type variable (e.g 'a , 'b ) Int = [0-9]+(_[0-9]+)*|0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)* integer literal with optional _ separators Bytes = #[0-9A-Fa-f]+(_[0-9A-Fa-f]+)* byte array literal with optional _ separators String string literal enclosed in \" with escape character \\ Char character literal enclosed in ' with escape character \\ AccountAddress base58-encoded 32 byte account pubkey with ak_ prefix ContractAddress base58-encoded 32 byte contract address with ct_ prefix OracleAddress base58-encoded 32 byte oracle address with ok_ prefix OracleQueryId base58-encoded 32 byte oracle query id with oq_ prefix Valid string escape codes are Escape ASCII \\b 8 \\t 9 \\n 10 \\v 11 \\f 12 \\r 13 \\e 27 \\xHexDigits HexDigits See the identifier encoding scheme for the details on the base58 literals.","title":"Tokens"},{"location":"sophia_syntax/#layout-blocks","text":"Sophia uses Python-style layout rules to group declarations and statements. A layout block with more than one element must start on a separate line and be indented more than the currently enclosing layout block. Blocks with a single element can be written on the same line as the previous token. Each element of the block must share the same indentation and no part of an element may be indented less than the indentation of the block. For instance contract Layout = function foo () = 0 // no layout function bar () = // layout block starts on next line let x = foo () // indented more than 2 spaces x + 1 // the '+' is indented more than the 'x'","title":"Layout blocks"},{"location":"sophia_syntax/#notation","text":"In describing the syntax below, we use the following conventions: Upper-case identifiers denote non-terminals (like Expr ) or terminals with some associated value (like Id ). Keywords and symbols are enclosed in single quotes: 'let' or '=' . Choices are separated by vertical bars: | . Optional elements are enclosed in [ square brackets ] . ( Parentheses ) are used for grouping. Zero or more repetitions are denoted by a postfix * , and one or more repetitions by a + . Block(X) denotes a layout block of X s. Sep(X, S) is short for [X (S X)*] , i.e. a possibly empty sequence of X s separated by S s. Sep1(X, S) is short for X (S X)* , i.e. same as Sep , but must not be empty.","title":"Notation"},{"location":"sophia_syntax/#declarations","text":"A Sophia file consists of a sequence of declarations in a layout block. File ::= Block ( TopDecl ) TopDecl ::= [ ' payable ' ] [ ' main ' ] ' contract ' Con [ Implement ] '=' Block ( Decl ) | ' contract ' ' interface ' Con [ Implement ] '=' Block ( Decl ) | ' namespace ' Con '=' Block ( Decl ) | '@ compiler ' PragmaOp Version | ' include ' String | Using Implement ::= ':' Sep1 ( Con , ',' ) Decl ::= ' type ' Id [ '(' TVar * ')' ] '=' TypeAlias | ' record ' Id [ '(' TVar * ')' ] '=' RecordType | ' datatype ' Id [ '(' TVar * ')' ] '=' DataType | ( EModifier * ' entrypoint ' | FModifier * ' function ' ) Block ( FunDecl ) | Using FunDecl ::= Id ':' Type // Type signature | Id Args [ ':' Type ] '=' Block ( Stmt ) // Definition | Id Args [ ':' Type ] Block ( GuardedDef ) // Guarded definitions GuardedDef ::= '|' Sep1 ( Expr , ',' ) '=' Block ( Stmt ) Using ::= ' using ' Con [ ' as ' Con ] [ UsingParts ] UsingParts ::= ' for ' ' [ ' Sep1 ( Id , ',' ) ']' | ' hiding ' ' [ ' Sep1 ( Id , ',' ) ']' PragmaOp ::= '<' | ' =< ' | ' == ' | ' >= ' | '>' Version ::= Sep1 ( Int , '.' ) EModifier ::= ' payable ' | ' stateful ' FModifier ::= ' stateful ' | ' private ' Args ::= '(' Sep ( Pattern , ',' ) ')' Contract declarations must appear at the top-level. For example, contract Test = type t = int entrypoint add ( x : t , y : t ) = x + y There are three forms of type declarations: type aliases (declared with the type keyword), record type definitions ( record ) and data type definitions ( datatype ): TypeAlias ::= Type RecordType ::= '{' Sep ( FieldType , ',' ) '}' DataType ::= Sep1 ( ConDecl , '|' ) FieldType ::= Id ':' Type ConDecl ::= Con [ '(' Sep1 ( Type , ',' ) ')' ] For example, record point ( 'a ) = { x : 'a , y : 'a } datatype shape ( 'a ) = Circle ( point ( 'a ), 'a ) | Rect ( point ( 'a ), point ( 'a )) type int_shape = shape ( int )","title":"Declarations"},{"location":"sophia_syntax/#types","text":"Type ::= Domain ' => ' Type // Function type | Type '(' Sep ( Type , ',' ) ')' // Type application | '(' Type ')' // Parens | ' unit ' | Sep ( Type , '*' ) // Tuples | Id | QId | TVar Domain ::= Type // Single argument | '(' Sep ( Type , ',' ) ')' // Multiple arguments The function type arrow associates to the right. Example, 'a => list ( 'a ) => ( int * list ( 'a ))","title":"Types"},{"location":"sophia_syntax/#statements","text":"Function bodies are blocks of statements , where a statement is one of the following Stmt ::= ' switch ' ' ( ' Expr ')' Block ( Case ) | ' if ' ' ( ' Expr ')' Block ( Stmt ) | ' elif ' ' ( ' Expr ')' Block ( Stmt ) | ' else ' Block ( Stmt ) | ' let ' LetDef | Using | Expr LetDef ::= Id Args [ ':' Type ] '=' Block ( Stmt ) // Function definition | Pattern '=' Block ( Stmt ) // Value definition Case ::= Pattern ' => ' Block ( Stmt ) | Pattern Block ( GuardedCase ) GuardedCase ::= '|' Sep1 ( Expr , ',' ) ' => ' Block ( Stmt ) Pattern ::= Expr if statements can be followed by zero or more elif statements and an optional final else statement. For example, let x : int = 4 switch ( f ( x )) None => 0 Some ( y ) => if ( y > 10 ) \"too big\" elif ( y < 3 ) \"too small\" else \"just right\"","title":"Statements"},{"location":"sophia_syntax/#expressions","text":"Expr ::= '(' LamArgs ')' ' => ' Block ( Stmt ) // Anonymous function (x) => x + 1 | '(' BinOp ')' // Operator lambda (+) | ' if ' ' ( ' Expr ')' Expr ' else ' Expr // If expression if(x < y) y else x | Expr ':' Type // Type annotation 5 : int | Expr BinOp Expr // Binary operator x + y | UnOp Expr // Unary operator ! b | Expr '(' Sep ( Expr , ',' ) ')' // Application f(x, y) | Expr '.' Id // Projection state.x | Expr '[' Expr ']' // Map lookup map[key] | Expr '{' Sep ( FieldUpdate , ',' ) '}' // Record or map update r{ fld[key].x = y } | '[' Sep ( Expr , ',' ) ']' // List [1, 2, 3] | '[' Expr '|' Sep ( Generator , ',' ) ']' // List comprehension [k | x <- [1], if (f(x)), let k = x+1] | '[' Expr ' .. ' Expr ']' // List range [1..n] | '{' Sep ( FieldUpdate , ',' ) '}' // Record or map value {x = 0, y = 1}, {[key] = val} | '(' Expr ')' // Parens (1 + 2) * 3 | '(' Expr '=' Expr ')' // Assign pattern (y = x::_) | Id | Con | QId | QCon // Identifiers x, None, Map.member, AELib.Token | Int | Bytes | String | Char // Literals 123, 0xff, #00abc123, \"foo\", '%' | AccountAddress | ContractAddress // Chain identifiers | OracleAddress | OracleQueryId // Chain identifiers Generator ::= Pattern ' <- ' Expr // Generator | ' if ' ' ( ' Expr ')' // Guard | LetDef // Definition LamArgs ::= '(' Sep ( LamArg , ',' ) ')' LamArg ::= Id [ ':' Type ] FieldUpdate ::= Path '=' Expr Path ::= Id // Record field | '[' Expr ']' // Map key | Path '.' Id // Nested record field | Path '[' Expr ']' // Nested map key BinOp ::= ' || ' | ' && ' | '<' | '>' | ' =< ' | ' >= ' | ' == ' | ' != ' | ' :: ' | ' ++ ' | '+' | '-' | '*' | '/' | ' mod ' | '^' | ' |> ' UnOp ::= '-' | '!'","title":"Expressions"},{"location":"sophia_syntax/#operators-types","text":"Operators Type - + * / mod ^ arithmetic operators ! && || logical operators == != < > =< >= comparison operators :: ++ list operators |> functional operators","title":"Operators types"},{"location":"sophia_syntax/#operator-precedence","text":"In order of highest to lowest precedence. Operators Associativity ! right ^ left * / mod left - (unary) right + - left :: ++ right < > =< >= == != none && right || right |> left","title":"Operator precedence"}]} \ No newline at end of file diff --git a/v7.0.1/sitemap.xml b/v7.0.1/sitemap.xml new file mode 100644 index 0000000..3d7e7b1 --- /dev/null +++ b/v7.0.1/sitemap.xml @@ -0,0 +1,48 @@ + + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + + None + 2022-08-04 + daily + + \ No newline at end of file diff --git a/v7.0.1/sitemap.xml.gz b/v7.0.1/sitemap.xml.gz new file mode 100644 index 0000000..efb8963 Binary files /dev/null and b/v7.0.1/sitemap.xml.gz differ diff --git a/v7.0.1/sophia/index.html b/v7.0.1/sophia/index.html new file mode 100644 index 0000000..f19140f --- /dev/null +++ b/v7.0.1/sophia/index.html @@ -0,0 +1,378 @@ + + + + + + + + + + + + + + + + + Sophia - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Sophia

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    This file has been moved here

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    Contract examples

    +

    Crowdfunding

    +
    /*
+ * A simple crowd-funding example
+ */
+contract FundMe =
+
+  record spend_args = { recipient : address,
+                        amount    : int }
+
+  record state = { contributions : map(address, int),
+                   total         : int,
+                   beneficiary   : address,
+                   deadline      : int,
+                   goal          : int }
+
+  stateful function spend(args : spend_args) =
+    Chain.spend(args.recipient, args.amount)
+
+  entrypoint init(beneficiary, deadline, goal) : state =
+    { contributions = {},
+      beneficiary   = beneficiary,
+      deadline      = deadline,
+      total         = 0,
+      goal          = goal }
+
+  function is_contributor(addr) =
+    Map.member(addr, state.contributions)
+
+  stateful entrypoint contribute() =
+    if(Chain.block_height >= state.deadline)
+      spend({ recipient = Call.caller, amount = Call.value }) // Refund money
+      false
+    else
+      let amount =
+        switch(Map.lookup(Call.caller, state.contributions))
+          None    => Call.value
+          Some(n) => n + Call.value
+      put(state{ contributions[Call.caller] = amount,
+                 total @ tot = tot + Call.value })
+      true
+
+  stateful entrypoint withdraw() =
+    if(Chain.block_height < state.deadline)
+      abort("Cannot withdraw before deadline")
+    if(Call.caller == state.beneficiary)
+      withdraw_beneficiary()
+    elif(is_contributor(Call.caller))
+      withdraw_contributor()
+    else
+      abort("Not a contributor or beneficiary")
+
+  stateful function withdraw_beneficiary() =
+    require(state.total >= state.goal, "Project was not funded")
+    spend({recipient = state.beneficiary,
+           amount    = Contract.balance })
+
+  stateful function withdraw_contributor() =
+    if(state.total >= state.goal)
+      abort("Project was funded")
+    let to = Call.caller
+    spend({recipient = to,
+           amount    = state.contributions[to]})
+    put(state{ contributions @ c = Map.delete(to, c) })
+
    +

    Repositories

    +

    This is a list with repositories that include smart contracts written in Sophia:

    +
      +
    • aepp-sophia-examples
        +
      • A repository that contains lots of different examples. The functionality of these examples is - to some extent - also covered by tests written in JavaScript.
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    + + + + + + + + \ No newline at end of file diff --git a/v7.0.1/sophia_features/index.html b/v7.0.1/sophia_features/index.html new file mode 100644 index 0000000..4281f51 --- /dev/null +++ b/v7.0.1/sophia_features/index.html @@ -0,0 +1,2093 @@ + + + + + + + + + + + + + + + + + Features - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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    Features

    +

    Contracts

    +

    The main unit of code in Sophia is the contract.

    +
      +
    • A contract implementation, or simply a contract, is the code for a + smart contract and consists of a list of types, entrypoints and local + functions. Only the entrypoints can be called from outside the contract.
      • +
    • A contract instance is an entity living on the block chain (or in a state + channel). Each instance has an address that can be used to call its + entrypoints, either from another contract or in a call transaction.
      • +
    • A contract may define a type state encapsulating its local + state. When creating a new contract the init entrypoint is executed and the + state is initialized to its return value.
      • +
    +

    The language offers some primitive functions to interact with the blockchain and contracts. +Please refer to the Chain, Contract +and the Call namespaces in the documentation.

    +

    Calling other contracts

    +

    To call a function in another contract you need the address to an instance of +the contract. The type of the address must be a contract type, which consists +of a number of type definitions and entrypoint declarations. For instance,

    +
    // A contract type
+contract interface VotingType =
+  entrypoint vote : string => unit
+
    +

    Now given contract address of type VotingType you can call the vote +entrypoint of that contract:

    +
    contract VoteTwice =
+  entrypoint voteTwice(v : VotingType, alt : string) =
+    v.vote(alt)
+    v.vote(alt)
+
    +

    Contract calls take two optional named arguments gas : int and value : int +that lets you set a gas limit and provide tokens to a contract call. If omitted +the defaults are no gas limit and no tokens. Suppose there is a fee for voting:

    +
      entrypoint voteTwice(v : VotingType, fee : int, alt : string) =
+    v.vote(value = fee, alt)
+    v.vote(value = fee, alt)
+
    +

    Named arguments can be given in any order.

    +

    Note that reentrant calls are not permitted. In other words, when calling +another contract it cannot call you back (directly or indirectly).

    +

    To construct a value of a contract type you can give a contract address literal +(for instance ct_2gPXZnZdKU716QBUFKaT4VdBZituK93KLvHJB3n4EnbrHHw4Ay), or +convert an account address to a contract address using Address.to_contract. +Note that if the contract does not exist, or it doesn't have the entrypoint, or +the type of the entrypoint does not match the stated contract type, the call +fails.

    +

    To recover the underlying address of a contract instance there is a field +address : address. For instance, to send tokens to the voting contract (given that it is payable) +without calling it you can write

    +
      entrypoint pay(v : VotingType, amount : int) =
+    Chain.spend(v.address, amount)
+
    +

    Protected contract calls

    +

    If a contract call fails for any reason (for instance, the remote contract +crashes or runs out of gas, or the entrypoint doesn't exist or has the wrong +type) the parent call also fails. To make it possible to recover from failures, +contract calls takes a named argument protected : bool (default false).

    +

    The protected argument must be a literal boolean, and when set to true +changes the type of the contract call, wrapping the result in an option type. +If the call fails the result is None, otherwise it's Some(r) where r is +the return value of the call.

    +
    contract interface VotingType =
+  entrypoint : vote : string => unit
+
+contract Voter =
+  entrypoint tryVote(v : VotingType, alt : string) =
+    switch(v.vote(alt, protected = true) : option(unit))
+      None    => "Voting failed"
+      Some(_) => "Voting successful"
+
    +

    Any gas that was consumed by the contract call before the failure stays +consumed, which means that in order to protect against the remote contract +running out of gas it is necessary to set a gas limit using the gas argument. +However, note that errors that would normally consume all the gas in the +transaction still only uses up the gas spent running the contract.

    +

    Any side effects (state change, token transfers, etc.) made by a failing +protected call is rolled back, just like they would be in the unprotected case.

    +

    Contract factories and child contracts

    +

    Since the version 6.0.0 Sophia supports deploying contracts by other +contracts. This can be done in two ways:

    + +

    These functions take variable number of arguments that must match the created +contract's init function. Beside that they take some additional named +arguments – please refer to their documentation for the details.

    +

    While Chain.clone requires only a contract interface and a living instance +of a given contract on the chain, Chain.create needs a full definition of a +to-create contract defined by the standard contract syntax, for example

    +
    contract IntHolder =
+  type state = int
+  entrypoint init(x) = x
+  entrypoint get() = state
+
+main contract IntHolderFactory =
+  stateful entrypoint new(x : int) : IntHolder =
+    let ih = Chain.create(x) : IntHolder
+    ih
+
    +

    In case of a presence of child contracts (IntHolder in this case), the main +contract must be pointed out with the main keyword as shown in the example.

    +

    Contract interfaces and polymorphism

    +

    Contracts can implement one or multiple interfaces, the contract has to define +every entrypoint from the implemented interface and the entrypoints in both +the contract and implemented interface should have compatible types.

    +
    contract interface Animal =
+  entrypoint sound : () => string
+
+ contract Cat : Animal =
+  entrypoint sound() = "Cat sound"
+
    +

    Contract interfaces can extend other interfaces. An extended interface has to +declare all entrypoints from every parent interface. All the declarations in the extended +interface must have types compatible with the declarations from the parent +interface.

    +
    contract interface II =
+  entrypoint f : () => unit
+
+contract interface I : II =
+  entrypoint f : () => unit
+  entrypoint g : () => unit
+
+contract C : I =
+  entrypoint f() = ()
+  entrypoint g() = ()
+
    +

    It is only possible to implement (or extend) an interface that has been already +defined earlier in the file (or in an included file). Therefore recursive +interface implementation is not allowed in Sophia.

    +
    // The following code would show an error
+
+contract interface X : Z =
+     entrypoint x : () => int
+
+ contract interface Y : X =
+     entrypoint x : () => int
+     entrypoint y : () => int
+
+ contract interface Z : Y =
+     entrypoint x : () => int
+     entrypoint y : () => int
+     entrypoint z : () => int
+
+ contract C : Z =
+     entrypoint x() = 1
+     entrypoint y() = 1
+     entrypoint z() = 1
+
    +

    Subtyping and variance

    +

    Subtyping in Sophia follows common rules that take type variance into account. As described by Wikipedia,

    +
    +

    Variance refers to how subtyping between more complex types relates to subtyping between their components.

    +
    +

    This concept plays an important role in complex types such as tuples, datatypes and functions. Depending on the context, it can apply to positions in the structure of a type, or type parameters of generic types. There are four kinds of variances:

    +
      +
    • covariant
      • +
    • contravariant
      • +
    • invariant
      • +
    • bivariant
      • +
    +

    A type is said to be on a "covariant" position when it describes output or a result of some computation. Analogously, position is "contravariant" when it is an input, or a parameter. Intuitively, when a part of the type is produced by values of it, it is covariant. When it is consumed, it is contravariant. When a type appears to be simultaneously input and output, it is described as invariant. If a type is neither of those (that is, it's unused) it's bivariant. Furthermore, whenever a complex type appears on a contravariant position, all its covariant components become contravariant and vice versa.

    +

    Variance influences how subtyping is applied. Types on covariant positions are subtyped normally, while contravariant the opposite way. Invariant types have to be exactly the same in order for subtyping to work. Bivariant types are always compatible.

    +

    A good example of where it matters can be pictured by subtyping of function types. Let us assume there is a contract interface Animal and two contracts that implement it: Dog and Cat.

    +
    contract interface Animal =
+  entrypoint age : () => int
+
+contract Dog : Animal =
+  entrypoint age() = // ...
+  entrypoint woof() = "woof"
+
+contract Cat : Animal =
+  entrypoint age() = // ...
+  entrypoint meow() = "meow"
+
    +

    The assumption of this exercise is that cats do not bark (because Cat does not define the woof entrypoint). If subtyping rules were applied naively, that is if we let Dog => Dog be a subtype of Animal => Animal, the following code would break:

    +
    let f : (Dog) => string  = d => d.woof()
+let g : (Animal) => string  = f
+let c : Cat = Chain.create()
+g(c)  // Cat barking!
+
    +

    That is because arguments of functions are contravariant, as opposed to return the type which is covariant. Because of that, the assignment of f to g is invalid - while Dog is a subtype of Animal, Dog => string is not a subtype of Animal => string. However, Animal => string is a subtype of Dog => string. More than that, (Dog => Animal) => Dog is a subtype of (Animal => Dog) => Animal.

    +

    This has consequences on how user-defined generic types work. A type variable gains its variance from its role in the type definition as shown in the example:

    +
    datatype co('a) = Co('a) // co is covariant on 'a
+datatype ct('a) = Ct('a => unit) // ct is contravariant on 'a
+datatype in('a) = In('a => 'a) // in is invariant on 'a
+datatype bi('a) = Bi // bi is bivariant on 'a
+
    +

    The following facts apply here:

    +
      +
    • co('a) is a subtype of co('b) when'ais a subtype of'b`
      • +
    • ct('a) is a subtype of ct('b) when'bis a subtype of'a`
      • +
    • in('a) is a subtype of in('b) when'ais equal to'b`
      • +
    • bi('a) is a subtype of `bi('b) always
      • +
    +

    That altogether induce the following rules of subtyping in Sophia:

    +
      +
    • +

      A function type (Args1) => Ret1 is a subtype of (Args2) => Ret2 when Ret1 +is a subtype of Ret2 and each argument type from Args2 is a subtype of its +counterpart in Args1.

      +
      • +
    • +

      A list type list(A) is a subtype of list(B) if A is a subtype of B.

      +
      • +
    • +

      An option type option(A) is a subtype of option(B) if A is a subtype of B.

      +
      • +
    • +

      A map type map(A1, A2) is a subtype of map(B1, B2) if A1 is a subtype +of B1, and A2 is a subtype of B2.

      +
      • +
    • +

      An oracle type oracle(A1, A2) is a subtype of oracle(B1, B2) if B1 is +a subtype of A1, and A2 is a subtype of B2.

      +
      • +
    • +

      An oracle_query type oracle_query(A1, A2) is a subtype of oracle_query(B1, B2) +if A1 is a subtype of B1, and A2 is a subtype of B2.

      +
      • +
    • +

      A user-defined datatype t(Args1) is a subtype of t(Args2)

      +
      • +
    • +

      When a user-defined type t('a) is covariant in 'a, then t(A) is a +subtype of t(B) when A is a subtype of B.

      +
      • +
    • +

      When a user-defined type t('a) is contravariant in 'a, then t(A) is a +subtype of t(B) when B is a subtype of A.

      +
      • +
    • +

      When a user-defined type t('a) is binvariant in 'a, then t(A) is a +subtype of t(B) when either A is a subtype of B or when B is a subtype +of A.

      +
      • +
    • +

      When a user-defined type t('a) is invariant in 'a, then t(A) can never be +a subtype of t(B).

      +
      • +
    +

    Mutable state

    +

    Sophia does not have arbitrary mutable state, but only a limited form of state +associated with each contract instance.

    +
      +
    • Each contract defines a type state encapsulating its mutable state. + The type state defaults to the unit.
      • +
    • The initial state of a contract is computed by the contract's init + function. The init function is pure and returns the initial state as its + return value. + If the type state is unit, the init function defaults to returning the value (). + At contract creation time, the init function is executed and + its result is stored as the contract state.
      • +
    • The value of the state is accessible from inside the contract + through an implicitly bound variable state.
      • +
    • State updates are performed by calling a function put : state => unit.
      • +
    • Aside from the put function (and similar functions for transactions + and events), the language is purely functional.
      • +
    • Functions modifying the state need to be annotated with the stateful keyword (see below).
      • +
    +

    To make it convenient to update parts of a deeply nested state Sophia +provides special syntax for map/record updates.

    +

    Stateful functions

    +

    Top-level functions and entrypoints must be annotated with the +stateful keyword to be allowed to affect the state of the running contract. +For instance,

    +
      stateful entrypoint set_state(s : state) =
+    put(s)
+
    +

    Without the stateful annotation the compiler does not allow the call to +put. A stateful annotation is required to

    +
      +
    • Use a stateful primitive function. These are
      • +
    • put
      • +
    • Chain.spend
      • +
    • Oracle.register
      • +
    • Oracle.query
      • +
    • Oracle.respond
      • +
    • Oracle.extend
      • +
    • AENS.preclaim
      • +
    • AENS.claim
      • +
    • AENS.transfer
      • +
    • AENS.revoke
      • +
    • AENS.update
      • +
    • Call a stateful function in the current contract
      • +
    • Call another contract with a non-zero value argument.
      • +
    +

    A stateful annotation is not required to

    +
      +
    • Read the contract state.
      • +
    • Issue an event using the event function.
      • +
    • Call another contract with value = 0, even if the called function is stateful.
      • +
    +

    Payable

    +

    Payable contracts

    +

    A concrete contract is by default not payable. Any attempt at spending to such +a contract (either a Chain.spend or a normal spend transaction) will fail. If a +contract shall be able to receive funds in this way it has to be declared payable:

    +
    // A payable contract
+payable contract ExampleContract =
+  stateful entrypoint do_stuff() = ...
+
    +

    If in doubt, it is possible to check if an address is payable using +Address.is_payable(addr).

    +

    Payable entrypoints

    +

    A contract entrypoint is by default not payable. Any call to such a function +(either a Remote call or a contract call transaction) +that has a non-zero value will fail. Contract entrypoints that should be called +with a non-zero value should be declared payable.

    +
    payable stateful entrypoint buy(to : address) =
+  if(Call.value > 42)
+    transfer_item(to)
+  else
+    abort("Value too low")
+
    +

    Namespaces

    +

    Code can be split into libraries using the namespace construct. Namespaces +can appear at the top-level and can contain type and function definitions, but +not entrypoints. Outside the namespace you can refer to the (non-private) names +by qualifying them with the namespace (Namespace.name). +For example,

    +
    namespace Library =
+  type number = int
+  function inc(x : number) : number = x + 1
+
+contract MyContract =
+  entrypoint plus2(x) : Library.number =
+    Library.inc(Library.inc(x))
+
    +

    Functions in namespaces have access to the same environment (including the +Chain, Call, and Contract, builtin namespaces) as function in a contract, +with the exception of state, put and Chain.event since these are +dependent on the specific state and event types of the contract.

    +

    To avoid mentioning the namespace every time it is used, Sophia allows +including the namespace in the current scope with the using keyword: +

    include "Pair.aes"
+using Pair
+contract C =
+  type state = int
+  entrypoint init() =
+    let p = (1, 2)
+    fst(p)  // this is the same as Pair.fst(p)
+

    +

    It is also possible to make an alias for the namespace with the as keyword: +

    include "Pair.aes"
+contract C =
+  using Pair as P
+  type state = int
+  entrypoint init() =
+    let p = (1, 2)
+    P.fst(p)  // this is the same as Pair.fst(p)
+

    +

    Having the same alias for multiple namespaces is possible and it allows +referening functions that are defined in different namespaces and have +different names with the same alias: +

    namespace Xa = function f() = 1
+namespace Xb = function g() = 2
+contract Cntr =
+  using Xa as A
+  using Xb as A
+  type state = int
+  entrypoint init() = A.f() + A.g()
+

    +

    Note that using functions with the same name would result in an ambiguous name +error: +

    namespace Xa = function f() = 1
+namespace Xb = function f() = 2
+contract Cntr =
+  using Xa as A
+  using Xb as A
+  type state = int
+
+  // the next line has an error because f is defined in both Xa and Xb
+  entrypoint init() = A.f()
+

    +

    Importing specific parts of a namespace or hiding these parts can also be +done like this: +

    using Pair for [fst, snd]       // this will only import fst and snd
+using Triple hiding [fst, snd]  // this will import everything except for fst and snd
+

    +

    Note that it is possible to use a namespace in the top level of the file, in the +contract level, namespace level, or in the function level.

    +

    Splitting code over multiple files

    +

    Code from another file can be included in a contract using an include +statement. These must appear at the top-level (outside the main contract). The +included file can contain one or more namespaces and abstract contracts. For +example, if the file library.aes contains

    +
    namespace Library =
+  function inc(x) = x + 1
+
    +

    you can use it from another file using an include:

    +
    include "library.aes"
+contract MyContract =
+  entrypoint plus2(x) = Library.inc(Library.inc(x))
+
    +

    This behaves as if the contents of library.aes was textually inserted into +the file, except that error messages will refer to the original source +locations. The language will try to include each file at most one time automatically, +so even cyclic includes should be working without any special tinkering.

    +

    Standard library

    +

    Sophia offers standard library which exposes some +primitive operations and some higher level utilities. The builtin +namespaces like Chain, Contract, Map +are included by default and are supported internally by the compiler. +Others like List, Frac, Option need to be manually included using the +include directive. For example +

    include "List.aes"
+include "Pair.aes"
+-- Map is already there!
+
+namespace C =
+  entrypoint keys(m : map('a, 'b)) : list('a) =
+    List.map(Pair.fst, (Map.to_list(m)))
+

    +

    Types

    +

    Sophia has the following types:

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    TypeDescriptionExample
    intA 2-complement integer-1
    addressæternity address, 32 bytesCall.origin
    boolA Booleantrue
    bitsA bit fieldBits.none
    bytes(n)A byte array with n bytes#fedcba9876543210
    stringAn array of bytes"Foo"
    listA homogeneous immutable singly linked list.[1, 2, 3]
    ('a, 'b) => 'cA function. Parentheses can be skipped if there is only one argument(x : int, y : int) => x + y
    tupleAn ordered heterogeneous array(42, "Foo", true)
    recordAn immutable key value store with fixed key names and typed valuesrecord balance = { owner: address, value: int }
    mapAn immutable key value store with dynamic mapping of keys of one type to values of one typetype accounts = map(string, address)
    option('a)An optional value either None or Some('a)Some(42)
    stateA user defined type holding the contract staterecord state = { owner: address, magic_key: bytes(4) }
    eventAn append only list of blockchain events (or log entries)datatype event = EventX(indexed int, string)
    hashA 32-byte hash - equivalent to bytes(32)
    signatureA signature - equivalent to bytes(64)
    Chain.ttlTime-to-live (fixed height or relative to current block)FixedTTL(1050) RelativeTTL(50)
    oracle('a, 'b)And oracle answering questions of type 'a with answers of type 'bOracle.register(acct, qfee, ttl)
    oracle_query('a, 'b)A specific oracle queryOracle.query(o, q, qfee, qttl, rttl)
    contractA user defined, typed, contract addressfunction call_remote(r : RemoteContract) = r.fun()
    +

    Literals

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    TypeConstant/Literal example(s)
    int-1, 2425, 4598275923475723498573485768
    addressak_2gx9MEFxKvY9vMG5YnqnXWv1hCsX7rgnfvBLJS4aQurustR1rt
    booltrue, false
    bitsBits.none, Bits.all
    bytes(8)#fedcba9876543210
    string"This is a string"
    list[1, 2, 3], [(true, 24), (false, 19), (false, -42)]
    tuple(42, "Foo", true)
    record{ owner = Call.origin, value = 100000000 }
    map{["foo"] = 19, ["bar"] = 42}, {}
    option(int)Some(42), None
    statestate{ owner = Call.origin, magic_key = #a298105f }
    eventEventX(0, "Hello")
    hash#000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f
    signature#000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f
    Chain.ttlFixedTTL(1050), RelativeTTL(50)
    oracle('a, 'b)ok_2YNyxd6TRJPNrTcEDCe9ra59SVUdp9FR9qWC5msKZWYD9bP9z5
    oracle_query('a, 'b)oq_2oRvyowJuJnEkxy58Ckkw77XfWJrmRgmGaLzhdqb67SKEL1gPY
    contractct_Ez6MyeTMm17YnTnDdHTSrzMEBKmy7Uz2sXu347bTDPgVH2ifJ
    +

    Arithmetic

    +

    Sophia integers (int) are represented by arbitrary-sized signed words and support the following +arithmetic operations: +- addition (x + y) +- subtraction (x - y) +- multiplication (x * y) +- division (x / y), truncated towards zero +- remainder (x mod y), satisfying y * (x / y) + x mod y == x for non-zero y +- exponentiation (x ^ y)

    +

    All operations are safe with respect to overflow and underflow. +The division and modulo operations throw an arithmetic error if the +right-hand operand is zero.

    +

    Bit fields

    +

    Sophia integers do not support bit arithmetic. Instead there is a separate +type bits. See the standard library documentation.

    +

    A bit field can be of arbitrary size (but it is still represented by the +corresponding integer, so setting very high bits can be expensive).

    +

    Type aliases

    +

    Type aliases can be introduced with the type keyword and can be +parameterized. For instance

    +
    type number = int
+type string_map('a) = map(string, 'a)
+
    +

    A type alias and its definition can be used interchangeably. Sophia does not support +higher-kinded types, meaning that following type alias is invalid: type wrap('f, 'a) = 'f('a)

    +

    Algebraic data types

    +

    Sophia supports algebraic data types (variant types) and pattern matching. Data +types are declared by giving a list of constructors with +their respective arguments. For instance,

    +
    datatype one_or_both('a, 'b) = Left('a) | Right('b) | Both('a, 'b)
+
    +

    Elements of data types can be pattern matched against, using the switch construct:

    +
    function get_left(x : one_or_both('a, 'b)) : option('a) =
+  switch(x)
+    Left(x)    => Some(x)
+    Right(_)   => None
+    Both(x, _) => Some(x)
+
    +

    or directly in the left-hand side: +

    function
+  get_left : one_or_both('a, 'b) => option('a)
+  get_left(Left(x))    = Some(x)
+  get_left(Right(_))   = None
+  get_left(Both(x, _)) = Some(x)
+

    +

    NOTE: Data types cannot currently be recursive.

    +

    Sophia also supports the assignment of patterns to variables: +

    function f(x) = switch(x)
+  h1::(t = h2::_) => (h1 + h2)::t  // same as `h1::h2::k => (h1 + h2)::h2::k`
+  _ => x
+
+function g(p : int * option(int)) : int =
+  let (a, (o = Some(b))) = p  // o is equal to Pair.snd(p)
+  b
+

    +

    Guards are boolean expressions that can be used on patterns in both switch +statements and functions definitions. If a guard expression evaluates to +true, then the corresponding body will be used. Otherwise, the next pattern +will be checked:

    +
    function get_left_if_positive(x : one_or_both(int, 'b)) : option(int) =
+  switch(x)
+    Left(x)    | x > 0 => Some(x)
+    Both(x, _) | x > 0 => Some(x)
+    _                  => None
+
    +
    function
+  get_left_if_positive : one_or_both(int, 'b) => option(int)
+  get_left_if_positive(Left(x))    | x > 0 = Some(x)
+  get_left_if_positive(Both(x, _)) | x > 0 = Some(x)
+  get_left_if_positive(_)                  = None
+
    +

    Guards cannot be stateful even when used inside a stateful function.

    +

    Lists

    +

    A Sophia list is a dynamically sized, homogenous, immutable, singly +linked list. A list is constructed with the syntax [1, 2, 3]. The +elements of a list can be any of datatype but they must have the same +type. The type of lists with elements of type 'e is written +list('e). For example we can have the following lists:

    +
    [1, 33, 2, 666]                                                   : list(int)
+[(1, "aaa"), (10, "jjj"), (666, "the beast")]                     : list(int * string)
+[{[1] = "aaa", [10] = "jjj"}, {[5] = "eee", [666] = "the beast"}] : list(map(int, string))
+
    +

    New elements can be prepended to the front of a list with the :: +operator. So 42 :: [1, 2, 3] returns the list [42, 1, 2, 3]. The +concatenation operator ++ appends its second argument to its first +and returns the resulting list. So concatenating two lists +[1, 22, 33] ++ [10, 18, 55] returns the list [1, 22, 33, 10, 18, 55].

    +

    Sophia supports list comprehensions known from languages like Python, Haskell or Erlang. +Example syntax: +

    [x + y | x <- [1,2,3,4,5], let k = x*x, if (k > 5), y <- [k, k+1, k+2]]
+// yields [12,13,14,20,21,22,30,31,32]
+

    +

    Lists can be constructed using the range syntax using special .. operator: +

    [1..4] == [1,2,3,4]
+
    +The ranges are always ascending and have step equal to 1.

    +

    Please refer to the standard library for the predefined functionalities.

    +

    Maps and records

    +

    A Sophia record type is given by a fixed set of fields with associated, +possibly different, types. For instance +

      record account = { name    : string,
+                     balance : int,
+                     history : list(transaction) }
+

    +

    Maps, on the other hand, can contain an arbitrary number of key-value bindings, +but of a fixed type. The type of maps with keys of type 'k and values of type +'v is written map('k, 'v). The key type can be any type that does not +contain a map or a function type.

    +

    Please refer to the standard library for the predefined functionalities.

    +

    Constructing maps and records

    +

    A value of record type is constructed by giving a value for each of the fields. +For the example above, +

      function new_account(name) =
+    {name = name, balance = 0, history = []}
+
    +Maps are constructed similarly, with keys enclosed in square brackets +
      function example_map() : map(string, int) =
+    {["key1"] = 1, ["key2"] = 2}
+
    +The empty map is written {}.

    +

    Accessing values

    +

    Record fields access is written r.f and map lookup m[k]. For instance, +

      function get_balance(a : address, accounts : map(address, account)) =
+    accounts[a].balance
+
    +Looking up a non-existing key in a map results in contract execution failing. A +default value to return for non-existing keys can be provided using the syntax +m[k = default]. See also Map.member and Map.lookup below.

    +

    Updating a value

    +

    Record field updates are written r{f = v}. This creates a new record value +which is the same as r, but with the value of the field f replaced by v. +Similarly, m{[k] = v} constructs a map with the same values as m except +that k maps to v. It makes no difference if m has a mapping for k or +not.

    +

    It is possible to give a name to the old value of a field or mapping in an +update: instead of acc{ balance = acc.balance + 100 } it is possible to write +acc{ balance @ b = b + 100 }, binding b to acc.balance. When giving a +name to a map value (m{ [k] @ x = v }), the corresponding key must be present +in the map or execution fails, but a default value can be provided: +m{ [k = default] @ x = v }. In this case x is bound to default if +k is not in the map.

    +

    Updates can be nested: +

    function clear_history(a : address, accounts : map(address, account)) : map(address, account) =
+  accounts{ [a].history = [] }
+
    +This is equivalent to accounts{ [a] @ acc = acc{ history = [] } } and thus +requires a to be present in the accounts map. To have clear_history create +an account if a is not in the map you can write (given a function empty_account): +
      accounts{ [a = empty_account()].history = [] }
+

    +

    Map implementation

    +

    Internally in the VM maps are implemented as hash maps and support fast lookup +and update. Large maps can be stored in the contract state and the size of the +map does not contribute to the gas costs of a contract call reading or updating +it.

    +

    Strings

    +

    There is a builtin type string, which can be seen as an array of bytes. +Strings can be compared for equality (==, !=), used as keys in maps and +records, and used in builtin functions String.length, String.concat and +the hash functions described below.

    +

    Please refer to the String library documentation.

    +

    Chars

    +

    There is a builtin type char (the underlying representation being an integer), +mainly used to manipulate strings via String.to_list/String.from_list.

    +

    Characters can also be introduced as character literals (`'x', '+', ...).

    +

    Please refer to the Char library documentation.

    +

    Byte arrays

    +

    Byte arrays are fixed size arrays of 8-bit integers. They are described in hexadecimal system, +for example the literal #cafe creates a two-element array of bytes ca (202) and fe (254) +and thus is a value of type bytes(2).

    +

    Please refer to the Bytes library documentation.

    +

    Cryptographic builtins

    +

    Libraries Crypto and String provide functions to +hash objects, verify signatures etc. The hash is a type alias for bytes(32).

    +

    Authorization interface

    +

    When a Generalized account is authorized, the authorization function needs +access to the transaction and the transaction hash for the wrapped transaction. (A GAMetaTx +wrapping a transaction.) The transaction and the transaction hash is available in the primitive +Auth.tx and Auth.tx_hash respectively, they are only available during authentication if invoked by a +normal contract call they return None.

    +

    Oracle interface

    +

    You can attach an oracle to the current contract and you can interact with oracles +through the Oracle interface.

    +

    For a full description of how Oracle works see +Oracles. +For a functionality documentation refer to the standard library.

    +

    Example

    +

    Example for an oracle answering questions of type string with answers of type int: +

    contract Oracles =
+
+  stateful entrypoint registerOracle(acct : address,
+                                     sign : signature,   // Signed network id + oracle address + contract address
+                                     qfee : int,
+                                     ttl  : Chain.ttl) : oracle(string, int) =
+     Oracle.register(acct, signature = sign, qfee, ttl)
+
+  entrypoint queryFee(o : oracle(string, int)) : int =
+    Oracle.query_fee(o)
+
+  payable stateful entrypoint createQuery(o    : oracle_query(string, int),
+                                          q    : string,
+                                          qfee : int,
+                                          qttl : Chain.ttl,
+                                          rttl : int) : oracle_query(string, int) =
+    require(qfee =< Call.value, "insufficient value for qfee")
+    Oracle.query(o, q, qfee, qttl, RelativeTTL(rttl))
+
+  stateful entrypoint extendOracle(o   : oracle(string, int),
+                                   ttl : Chain.ttl) : unit =
+    Oracle.extend(o, ttl)
+
+  stateful entrypoint signExtendOracle(o    : oracle(string, int),
+                                       sign : signature,   // Signed network id + oracle address + contract address
+                                       ttl  : Chain.ttl) : unit =
+    Oracle.extend(o, signature = sign, ttl)
+
+  stateful entrypoint respond(o    : oracle(string, int),
+                              q    : oracle_query(string, int),
+                              sign : signature,        // Signed network id + oracle query id + contract address
+                              r    : int) =
+    Oracle.respond(o, q, signature = sign, r)
+
+  entrypoint getQuestion(o : oracle(string, int),
+                         q : oracle_query(string, int)) : string =
+    Oracle.get_question(o, q)
+
+  entrypoint hasAnswer(o : oracle(string, int),
+                       q : oracle_query(string, int)) =
+    switch(Oracle.get_answer(o, q))
+      None    => false
+      Some(_) => true
+
+  entrypoint getAnswer(o : oracle(string, int),
+                       q : oracle_query(string, int)) : option(int) =
+    Oracle.get_answer(o, q)
+

    +

    Sanity checks

    +

    When an Oracle literal is passed to a contract, no deep checks are performed. +For extra safety Oracle.check and Oracle.check_query +functions are provided.

    +

    AENS interface

    +

    Contracts can interact with the +æternity naming system. +For this purpose the AENS library was exposed.

    +

    Example

    +

    In this example we assume that the name name already exists, and is owned by +an account with address addr. In order to allow a contract ct to handle +name the account holder needs to create a +signature sig of addr | name.hash | ct.address.

    +

    Armed with this information we can for example write a function that extends +the name if it expires within 1000 blocks: +

      stateful entrypoint extend_if_necessary(addr : address, name : string, sig : signature) =
+    switch(AENS.lookup(name))
+      None => ()
+      Some(AENS.Name(_, FixedTTL(expiry), _)) =>
+        if(Chain.block_height + 1000 > expiry)
+          AENS.update(addr, name, Some(RelativeTTL(50000)), None, None, signature = sig)
+

    +

    And we can write functions that adds and removes keys from the pointers of the +name: +

      stateful entrypoint add_key(addr : address, name : string, key : string,
+                              pt : AENS.pointee, sig : signature) =
+    switch(AENS.lookup(name))
+      None => ()
+      Some(AENS.Name(_, _, ptrs)) =>
+        AENS.update(addr, name, None, None, Some(ptrs{[key] = pt}), signature = sig)
+
+  stateful entrypoint delete_key(addr : address, name : string,
+                                 key : string, sig : signature) =
+    switch(AENS.lookup(name))
+      None => ()
+      Some(AENS.Name(_, _, ptrs)) =>
+        let ptrs = Map.delete(key, ptrs)
+        AENS.update(addr, name, None, None, Some(ptrs), signature = sig)
+

    +

    Note: From the Iris hardfork more strict rules apply for AENS pointers, when +a Sophia contract lookup or update (bad) legacy pointers, the bad keys are +automatically removed so they will not appear in the pointers map.

    +

    Events

    +

    Sophia contracts log structured messages to an event log in the resulting +blockchain transaction. The event log is quite similar to Events in +Solidity. +Events are further discussed in the protocol.

    +

    To use events a contract must declare a datatype event, and events are then +logged using the Chain.event function:

    +
      datatype event
+    = Event1(int, int, string)
+    | Event2(string, address)
+
+  Chain.event(e : event) : unit
+
    +

    The event can have 0-3 indexed fields, and an optional payload field. A +field is indexed if it fits in a 32-byte word, i.e. +- bool +- int +- bits +- address +- oracle(_, _) +- oracle_query(_, _) +- contract types +- bytes(n) for n ≤ 32, in particular hash

    +

    The payload field must be either a string or a byte array of more than 32 bytes. +The fields can appear in any order.

    +

    NOTE: Indexing is not part of the core æternity node.

    +

    Events are emitted by using the Chain.event function. The following function +will emit one Event of each kind in the example.

    +
      entrypoint emit_events() : () =
+    Chain.event(Event1(42, 34, "foo"))
+    Chain.event(Event2("This is not indexed", Contract.address))
+
    +

    Argument order

    +

    It is only possible to have one (1) string parameter in the event, but it can +be placed in any position (and its value will end up in the data field), i.e. +

    AnotherEvent(string, indexed address)
+
+...
+
+Chain.event(AnotherEvent("This is not indexed", Contract.address))
+
    +would yield exactly the same result in the example above!

    +

    Compiler pragmas

    +

    To enforce that a contract is only compiled with specific versions of the +Sophia compiler, you can give one or more @compiler pragmas at the +top-level (typically at the beginning) of a file. For instance, to enforce that +a contract is compiled with version 4.3 of the compiler you write

    +
    @compiler >= 4.3
+@compiler <  4.4
+
    +

    Valid operators in compiler pragmas are <, =<, ==, >=, and >. Version +numbers are given as a sequence of non-negative integers separated by dots. +Trailing zeros are ignored, so 4.0.0 == 4. If a constraint is violated an +error is reported and compilation fails.

    +

    Exceptions

    +

    Contracts can fail with an (uncatchable) exception using the built-in function

    +
    abort(reason : string) : 'a
+
    +

    Calling abort causes the top-level call transaction to return an error result +containing the reason string. Only the gas used up to and including the abort +call is charged. This is different from termination due to a crash which +consumes all available gas.

    +

    For convenience the following function is also built-in:

    +
    function require(b : bool, err : string) =
+    if(!b) abort(err)
+
    +

    Aside from that, there is an almost equivalent function exit

    +
    exit(reason : string) : 'a
+
    +

    Just like abort, it breaks the execution with the given reason. The difference +however is in the gas consumption — while abort returns unused gas, a call to +exit burns it all.

    +

    Delegation signature

    +

    Some chain operations (Oracle.<operation> and AENS.<operation>) have an +optional delegation signature. This is typically used when a user/accounts +would like to allow a contract to act on it's behalf. The exact data to be +signed varies for the different operations, but in all cases you should prepend +the signature data with the network_id (ae_mainnet for the æternity mainnet, etc.).

    + + + + + + + +
    +
    +
    + +
    + + + + +
    +
    +
    +
    + + + + + + + + \ No newline at end of file diff --git a/v7.0.1/sophia_stdlib/index.html b/v7.0.1/sophia_stdlib/index.html new file mode 100644 index 0000000..06a6c6d --- /dev/null +++ b/v7.0.1/sophia_stdlib/index.html @@ -0,0 +1,2266 @@ + + + + + + + + + + + + + + + + + Standard library - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    + +
    + + + +
    + + +
    + +
    + + + + + + +
    +
    + + + +
    +
    +
    + + + + +
    +
    +
    + + + +
    +
    +
    + + + + +
    +
    +
    + + +
    +
    + + + + + +

    Standard library

    +

    Sophia language offers standard library that consists of several namespaces. Some of them are already +in the scope and do not need any actions to be used, while the others require some files to be included.

    +

    The out-of-the-box namespaces are:

    + +

    The following ones need to be included as regular files with .aes suffix, for example +

    include "List.aes"
+

    + +

    Builtin namespaces

    +

    They are available without any explicit includes.

    +

    Address

    +

    to_str

    +
    Address.to_str(a : address) : string
+
    +

    Base58 encoded string

    +

    is_contract

    +
    Address.is_contract(a : address) : bool
+
    +

    Is the address a contract

    +

    is_oracle

    +
    Address.is_oracle(a : address) : bool
+
    +

    Is the address a registered oracle

    +

    is_payable

    +
    Address.is_payable(a : address) : bool
+
    +

    Can the address be spent to

    +

    to_contract

    +
    Address.to_contract(a : address) : C
+
    +

    Cast address to contract type C (where C is a contract)

    +

    AENS

    +

    The following functionality is available for interacting with the æternity +naming system (AENS). +If owner is equal to Contract.address the signature signature is +ignored, and can be left out since it is a named argument. Otherwise we need +a signature to prove that we are allowed to do AENS operations on behalf of +owner. The signature is tied to a network id, +i.e. the signature material should be prefixed by the network id.

    +

    Types

    +
    name
    +
    datatype name = Name(address, Chain.ttl, map(string, AENS.pointee))
+
    +
    pointee
    +
    datatype pointee = AccountPt(address) | OraclePt(address)
+                 | ContractPt(address) | ChannelPt(address)
+
    +

    Functions

    +
    resolve
    +
    AENS.resolve(name : string, key : string) : option('a)
+
    +

    Name resolution. Here name should be a registered name and key one of the attributes +associated with this name (for instance "account_pubkey"). The return type +('a) must be resolved at compile time to an atomic type and the value is +type checked against this type at run time.

    +
    lookup
    +
    AENS.lookup(name : string) : option(AENS.name)
+
    +

    If name is an active name AENS.lookup returns a name object. +The three arguments to Name are owner, expiry and a map of the +pointees for the name. Note: the expiry of the name is always a fixed TTL. +For example: +

    let Some(Name(owner, FixedTTL(expiry), ptrs)) = AENS.lookup("example.chain")
+

    +
    preclaim
    +
    AENS.preclaim(owner : address, commitment_hash : hash, <signature : signature>) : unit
+
    +

    The signature should be over +network id + owner address + Contract.address (concatenated as byte arrays).

    +
    claim
    +
    AENS.claim(owner : address, name : string, salt : int, name_fee : int, <signature : signature>) : unit
+
    +

    The signature should be over +network id + owner address + name_hash + Contract.address +(concatenated as byte arrays) +using the private key of the owner account for signing.

    +
    transfer
    +
    AENS.transfer(owner : address, new_owner : address, name : string, <signature : signature>) : unit
+
    +

    Transfers name to the new owner.

    +

    The signature should be over +network id + owner address + name_hash + Contract.address +(concatenated as byte arrays) +using the private key of the owner account for signing.

    +
    revoke
    +
    AENS.revoke(owner : address, name : string, <signature : signature>) : unit
+
    +

    Revokes the name to extend the ownership time.

    +

    The signature should be over +network id + owner address + name_hash + Contract.address +(concatenated as byte arrays) +using the private key of the owner account for signing.

    +
    update
    +
    AENS.update(owner : address, name : string, expiry : option(Chain.ttl), client_ttl : option(int),
+            new_ptrs : map(string, AENS.pointee), <signature : signature>) : unit
+
    +

    Updates the name. If the optional parameters are set to None that parameter +will not be updated, for example if None is passed as expiry the expiry +block of the name is not changed.

    +

    Auth

    +

    tx

    +
    Auth.tx : option(Chain.tx)
+
    +

    Where Chain.tx is (built-in) defined like: +

    namespace Chain =
+  record tx = { paying_for : option(Chain.paying_for_tx)
+              , ga_metas : list(Chain.ga_meta_tx)
+              , actor : address
+              , fee   : int
+              , ttl   : int
+              , tx    : Chain.base_tx }
+
+  datatype ga_meta_tx    = GAMetaTx(address, int)
+  datatype paying_for_tx = PayingForTx(address, int)
+  datatype base_tx = SpendTx(address, int, string)
+                   | OracleRegisterTx | OracleQueryTx | OracleResponseTx | OracleExtendTx
+                   | NamePreclaimTx | NameClaimTx(hash) | NameUpdateTx(string)
+                   | NameRevokeTx(hash) | NameTransferTx(address, string)
+                   | ChannelCreateTx(address) | ChannelDepositTx(address, int) | ChannelWithdrawTx(address, int) |
+                   | ChannelForceProgressTx(address) | ChannelCloseMutualTx(address) | ChannelCloseSoloTx(address)
+                   | ChannelSlashTx(address) | ChannelSettleTx(address) | ChannelSnapshotSoloTx(address)
+                   | ContractCreateTx(int) | ContractCallTx(address, int)
+                   | GAAttachTx
+

    +

    tx_hash

    +
    Auth.tx_hash : option(hash)
+
    +

    Gets the transaction hash during authentication.

    +

    Bits

    +

    none

    +
    Bits.none : bits
+
    +

    A bit field with all bits cleared

    +

    all

    +
    Bits.all : bits
+
    +

    A bit field with all bits set

    +

    set

    +
    Bits.set(b : bits, i : int) : bits
+
    +

    Set bit i

    +

    clear

    +
    Bits.clear(b : bits, i : int) : bits
+
    +

    Clear bit i

    +

    test

    +
    Bits.test(b : bits, i : int) : bool
+
    +

    Check if bit i is set

    +

    sum

    +
    Bits.sum(b : bits) : int
+
    +

    Count the number of set bits

    +

    union

    +
    Bits.union(a : bits, b : bits) : bits
+
    +

    Bitwise disjunction

    +

    intersection

    +
    Bits.intersection(a : bits, b : bits) : bits
+
    +

    Bitwise conjunction

    +

    difference

    +
    Bits.difference(a : bits, b : bits) : bits
+
    +

    Each bit is true if and only if it was 1 in a and 0 in b

    +

    Bytes

    +

    to_int

    +
    Bytes.to_int(b : bytes(n)) : int
+
    +

    Interprets the byte array as a big endian integer

    +

    to_str

    +
    Bytes.to_str(b : bytes(n)) : string
+
    +

    Returns the hexadecimal representation of the byte array

    +

    concat

    +
    Bytes.concat : (a : bytes(m), b : bytes(n)) => bytes(m + n)
+
    +

    Concatenates two byte arrays

    +

    split

    +
    Bytes.split(a : bytes(m + n)) : bytes(m) * bytes(n)
+
    +

    Splits a byte array at given index

    +

    Call

    +

    Values related to the call to the current contract

    +

    origin

    +
    Call.origin : address
+
    +

    The address of the account that signed the call transaction that led to this call.

    +

    caller

    +
    Call.caller : address
+
    +

    The address of the entity (possibly another contract) calling the contract.

    +

    value

    +
    Call.value : int
+
    +

    The amount of coins transferred to the contract in the call.

    +

    gas_price

    +
    Call.gas_price : int
+
    +

    The gas price of the current call.

    +

    fee

    +
    Call.fee : int
+
    +

    The fee of the current call.

    +

    gas_left

    +
    Call.gas_left() : int
+
    +

    The amount of gas left for the current call.

    +

    Chain

    +

    Values and functions related to the chain itself and other entities that live on it.

    +

    Types

    +
    tx
    +
    record tx = { paying_for : option(Chain.paying_for_tx)
+            , ga_metas : list(Chain.ga_meta_tx)
+            , actor : address
+            , fee   : int
+            , ttl   : int
+            , tx    : Chain.base_tx }
+
    +
    ga_meta_tx
    +
    datatype ga_meta_tx    = GAMetaTx(address, int)
+
    +
    paying_for_tx
    +
    datatype paying_for_tx = PayingForTx(address, int)
+
    +
    base_tx
    +
    datatype base_tx = SpendTx(address, int, string)
+                 | OracleRegisterTx | OracleQueryTx | OracleResponseTx | OracleExtendTx
+                 | NamePreclaimTx | NameClaimTx(hash) | NameUpdateTx(string)
+                 | NameRevokeTx(hash) | NameTransferTx(address, string)
+                 | ChannelCreateTx(address) | ChannelDepositTx(address, int) | ChannelWithdrawTx(address, int) |
+                 | ChannelForceProgressTx(address) | ChannelCloseMutualTx(address) | ChannelCloseSoloTx(address)
+                 | ChannelSlashTx(address) | ChannelSettleTx(address) | ChannelSnapshotSoloTx(address)
+                 | ContractCreateTx(int) | ContractCallTx(address, int)
+                 | GAAttachTx
+
    +

    Functions

    +
    balance
    +
    Chain.balance(a : address) : int
+
    +

    The balance of account a.

    +
    block_hash
    +
    Chain.block_hash(h : int) : option(bytes(32))
+
    +

    The hash of the block at height h. h has to be within 256 blocks from the +current height of the chain or else the function will return None.

    +

    NOTE: In FATE VM version 1 Chain.block_height was not considered an +allowed height. From FATE VM version 2 (IRIS) it will return the block hash of +the current generation.

    +
    block_height
    +
    Chain.block_height : int"
+
    +

    The height of the current block (i.e. the block in which the current call will be included).

    +
    coinbase
    +
    Chain.coinbase : address
+
    +

    The address of the account that mined the current block.

    +
    timestamp
    +
    Chain.timestamp : int
+
    +

    The timestamp of the current block.

    +
    difficulty
    +
    Chain.difficulty : int
+
    +

    The difficulty of the current block.

    +
    gas
    +
    Chain.gas_limit : int
+
    +

    The gas limit of the current block.

    +
    bytecode_hash
    +
    Chain.bytecode_hash : 'c => option(hash)
+
    +

    Returns the hash of the contract's bytecode (or None if it is +nonexistent or deployed before FATE2). The type 'c must be +instantiated with a contract. The charged gas increases linearly to +the size of the serialized bytecode of the deployed contract.

    +
    create
    +
    Chain.create(value : int, ...) => 'c
+
    +

    Creates and deploys a new instance of a contract 'c. All of the +unnamed arguments will be passed to the init function. The charged +gas increases linearly with the size of the compiled child contract's +bytecode. The source_hash on-chain entry of the newly created +contract will be the SHA256 hash over concatenation of

    +
      +
    • whole contract source code
      • +
    • single null byte
      • +
    • name of the child contract
      • +
    +

    The resulting contract's public key can be predicted and in case it happens to +have some funds before its creation, its balance will be increased by +the value parameter.

    +

    The value argument (default 0) is equivalent to the value in the contract +creation transaction – it sets the initial value of the newly created contract +charging the calling contract. Note that this won't be visible in Call.value +in the init call of the new contract. It will be included in +Contract.balance, however.

    +

    The type 'c must be instantiated with a contract.

    +

    Example usage: +

    payable contract Auction =
+  record state = {supply: int, name: string}
+  entrypoint init(supply, name) = {supply: supply, name: name}
+  stateful payable entrypoint buy(amount) =
+    require(Call.value == amount, "amount_value_mismatch")
+    ...
+  stateful entrypoint sell(amount) =
+    require(amount >= 0, "negative_amount")
+    ...
+
+main contract Market =
+  type state = list(Auction)
+  entrypoint init() = []
+  stateful entrypoint new(name : string) =
+    let new_auction = Chain.create(0, name) : Auction
+    put(new_auction::state)
+

    +

    The typechecker must be certain about the created contract's type, so it is +worth writing it explicitly as shown in the example.

    +
    clone
    +
    Chain.clone : ( ref : 'c, gas : int, value : int, protected : bool, ...
+              ) => if(protected) option('c) else 'c
+
    +

    Clones the contract under the mandatory named argument ref. That means a new +contract of the same bytecode and the same payable parameter shall be created. +NOTE: the state won't be copied and the contract will be initialized with +a regular call to the init function with the remaining unnamed arguments. The +resulting contract's public key can be predicted and in case it happens to have +some funds before its creation, its balance will be increased by the value +parameter. This operation is significantly cheaper than Chain.create as it +costs a fixed amount of gas.

    +

    The gas argument (default Call.gas_left) limits the gas supply for the +init call of the cloned contract.

    +

    The value argument (default 0) is equivalent to the value in the contract +creation transaction – it sets the initial value of the newly created contract +charging the calling contract. Note that this won't be visible in Call.value +in the init call of the new contract. It will be included in +Contract.balance, however.

    +

    The protected argument (default false) works identically as in remote calls. +If set to true it will change the return type to option('c) and will catch +all errors such as abort, out of gas and wrong arguments. Note that it can +only take a boolean literal, so other expressions such as variables will be +rejected by the compiler.

    +

    The type 'c must be instantiated with a contract.

    +

    Example usage:

    +
    payable contract interface Auction =
+  entrypoint init : (int, string) => void
+  stateful payable entrypoint buy : (int) => ()
+  stateful entrypoint sell : (int) => ()
+
+main contract Market =
+  type state = list(Auction)
+  entrypoint init() = []
+  stateful entrypoint new_of(template : Auction, name : string) =
+    switch(Chain.clone(ref=template, protected=true, 0, name))
+      None => abort("Bad auction!")
+      Some(new_auction) =>
+        put(new_auction::state)
+
    +

    When cloning by an interface, init entrypoint declaration is required. It is a +good practice to set its return type to void in order to indicate that this +function is not supposed to be called and is state agnostic. Trivia: internal +implementation of the init function does not actually return state, but +calls put instead. Moreover, FATE prevents even handcrafted calls to init.

    +
    event
    +

    Chain.event(e : event) : unit
+
    +Emits the event. To use this function one needs to define the event type as a datatype in the contract.

    +

    Char

    +

    to_int

    +

    Char.to_int(c : char) : int +

    Returns the UTF-8 codepoint of a character
+
+
+#### from_int
+
    +Char.from_int(i : int) : option(char)

    +

    Opposite of to_int. Returns None if the integer doesn't correspond to a single (normalized) codepoint.

    +

    Contract

    +

    Values related to the current contract

    +

    creator

    +
    Contract.creator : address
+
    +

    Address of the entity that signed the contract creation transaction

    +

    address

    +
    Contract.address : address
+
    +

    Address of the contract account

    +

    balance

    +
    Contract.balance : int
+
    +

    Amount of coins in the contract account

    +

    Crypto

    +

    sha3

    +
    Crypto.sha3(x : 'a) : hash
+
    +

    Hash any object to SHA3

    +

    sha256

    +
    Crypto.sha256(x : 'a) : hash
+
    +

    Hash any object to SHA256

    +

    blake2b

    +
    Crypto.blake2b(x : 'a) : hash
+
    +

    Hash any object to blake2b

    +

    verify_sig

    +
    Crypto.verify_sig(msg : hash, pubkey : address, sig : signature) : bool
+
    +

    Checks if the signature of msg was made using private key corresponding to +the pubkey

    +

    ecverify_secp256k1

    +
    Crypto.ecverify_secp256k1(msg : hash, addr : bytes(20), sig : bytes(65)) : bool
+
    +

    Verifies a signature for a msg against an Ethereum style address. Note that the +signature should be 65 bytes and include the recovery identifier byte V. The +expected organization of the signature is (V || R || S).

    +

    ecrecover_secp256k1

    +
    Crypto.ecrecover_secp256k1(msg : hash, sig : bytes(65)) : option(bytes(20))
+
    +

    Recovers the Ethereum style address from a msg hash and respective +ECDSA-signature. Note that the signature should be 65 bytes and include the +recovery identifier byte V. The expected organization of the signature is (V +|| R || S).

    +

    verify_sig_secp256k1

    +
    Crypto.verify_sig_secp256k1(msg : hash, pubkey : bytes(64), sig : bytes(64)) : bool
+
    +

    Verifies a standard 64-byte ECDSA signature (R || S).

    +

    Int

    +

    to_str

    +
    Int.to_str : int => string
+
    +

    Casts integer to string using decimal representation

    +

    Map

    +

    lookup

    +

    Map.lookup(k : 'k, m : map('k, 'v)) : option('v)

    +

    Returns the value under a key in given map as Some or None +if the key is not present

    +

    lookup_default

    +

    Map.lookup_default(k : 'k, m : map('k, 'v), v : 'v) : 'v

    +

    Returns the value under a key in given map or the +default value v if the key is not present

    +

    member

    +

    Map.member(k : 'k, m : map('k, 'v)) : bool

    +

    Checks if the key is present in the map

    +

    delete

    +

    Map.delete(k : 'k, m : map('k, 'v)) : map('k, 'v)

    +

    Removes the key from the map

    +

    size

    +

    Map.size(m : map('k, 'v)) : int

    +

    Returns the number of elements in the map

    +

    to_list

    +

    Map.to_list(m : map('k, 'v)) : list('k * 'v)

    +

    Returns a list containing pairs of keys and their respective elements.

    +

    from_list

    +

    Map.from_list(m : list('k * 'v)) : map('k, 'v)

    +

    Turns a list of pairs of form (key, value) into a map

    +

    Oracle

    +

    register

    +
    Oracle.register(<signature : bytes(64)>, acct : address, qfee : int, ttl : Chain.ttl) : oracle('a, 'b)
+
    +

    Registers new oracle answering questions of type 'a with answers of type 'b.

    +
      +
    • The acct is the address of the oracle to register (can be the same as the contract).
      • +
    • signature is a signature proving that the contract is allowed to register the account - + the network id + account address + contract address (concatenated as byte arrays) is + signed with the + private key of the account, proving you have the private key of the oracle to be. If the + address is the same as the contract sign is ignored and can be left out entirely.
      • +
    • The qfee is the minimum query fee to be paid by a user when asking a question of the oracle.
      • +
    • The ttl is the Time To Live for the oracle in key blocks, either relative to the current + key block height (RelativeTTL(delta)) or a fixed key block height (FixedTTL(height)).
      • +
    • The type 'a is the type of the question to ask.
      • +
    • The type 'b is the type of the oracle answers.
      • +
    +

    Examples: +

      Oracle.register(addr0, 25, RelativeTTL(400))
+  Oracle.register(addr1, 25, RelativeTTL(500), signature = sign1)
+

    +

    get_question

    +
    Oracle.get_question(o : oracle('a, 'b), q : oracle_query('a, 'b)) : 'a
+
    +

    Checks what was the question of query q on oracle o

    +

    respond

    +
    Oracle.respond(<signature : bytes(64)>, o : oracle('a, 'b), q : oracle_query('a, 'b), 'b) : unit
+
    +

    Responds to the question q on o. +Unless the contract address is the same as the oracle address the signature +(which is an optional, named argument) +needs to be provided. Proving that we have the private key of the oracle by +signing +the network id + oracle query id + contract address

    +

    extend

    +
    Oracle.extend(<signature : bytes(64)>, o : oracle('a, 'b), ttl : Chain.ttl) : unit
+
    +

    Extends TTL of an oracle. +* singature is a named argument and thus optional. Must be the same as for Oracle.register +* o is the oracle being extended +* ttl must be RelativeTTL. The time to live of o will be extended by this value.

    +

    query_fee

    +
    Oracle.query_fee(o : oracle('a, 'b)) : int
+
    +

    Returns the query fee of the oracle

    +

    query

    +
    Oracle.query(o : oracle('a, 'b), q : 'a, qfee : int, qttl : Chain.ttl, rttl : Chain.ttl) : oracle_query('a, 'b)
+
    +

    Asks the oracle a question. +* The qfee is the query fee debited to the contract account (Contract.address). +* The qttl controls the last height at which the oracle can submit a response + and can be either fixed or relative. +* The rttl must be relative and controls how long an answer is kept on the chain. +The call fails if the oracle could expire before an answer.

    +

    get_answer

    +
    Oracle.get_answer(o : oracle('a, 'b), q : oracle_query('a, 'b)) : option('b)
+
    +

    Checks what is the optional query answer

    +

    expiry

    +
    Oracle.expiry(o : oracle('a, 'b)) : int
+
    +

    Ask the oracle when it expires. The result is the block height at which it will happen.

    +

    check

    +
    Oracle.check(o : oracle('a, 'b)) : bool
+
    +

    Returns true iff the oracle o exists and has correct type

    +

    check_query

    +
    Oracle.check_query(o : oracle('a, 'b), q : oracle_query('a, 'b)) : bool
+
    +

    It returns true iff the oracle query exist and has the expected type.

    +

    Includable namespaces

    +

    These need to be explicitly included (with .aes suffix)

    +

    Bitwise

    +

    Bitwise operations on arbitrary precision integers.

    +

    bsr

    +
    Bitwise.bsr(n : int, x : int) : int
+
    +

    Logical bit shift x right n positions.

    +

    bsl

    +
    Bitwise.bsl(n : int, x : int) : int
+
    +

    Logical bit shift x left n positions.

    +

    bsli

    +
    Bitwise.bsli(n : int, x : int, lim : int) : int
+
    +

    Logical bit shift x left n positions, limit to lim bits.

    +

    band

    +
    Bitwise.band(x : int, y : int) : int
+
    +

    Bitwise and of x and y.

    +

    bor

    +
    Bitwise.bor(x : int, y : int) : int
+
    +

    Bitwise or of x and y.

    +

    bxor

    +
    Bitwise.bxor(x : int, y : int) : int
+
    +

    Bitwise xor of x and y.

    +

    bnot

    +
    Bitwise.bnot(x : int) : int
+
    +

    Bitwise not of x. Defined and implemented as bnot(x) = bxor(x, -1).

    +

    uband

    +
    Bitwise.uband(x : int, y : int) : int
+
    +

    Bitwise and of non-negative numbers x and y.

    +

    ubor

    +
    Bitwise.ubor(x : int, y : int) : int
+
    +

    Bitwise or of non-negative x and y.

    +

    ubxor

    +
    Bitwise.ubxor(x : int, y : int) : int
+
    +

    Bitwise xor of non-negative x and y.

    +

    BLS12_381

    +

    Types

    +
    fr
    +

    Built-in (Montgomery) integer representation 32 bytes

    +
    fp
    +

    Built-in (Montgomery) integer representation 48 bytes

    +
    fp2
    +
    record fp2 = { x1 : fp, x2 : fp }`
+
    +
    g1
    +
    record g1  = { x : fp, y : fp, z : fp }
+
    +
    g2
    +
    record g2  = { x : fp2, y : fp2, z : fp2 }
+
    +
    gt
    +
    record gt  = { x1 : fp, x2 : fp, x3 : fp, x4 : fp, x5 : fp, x6 : fp, x7 : fp, x8 : fp, x9 : fp, x10 : fp, x11 : fp, x12 : fp }
+
    +

    Functions

    +
    pairing_check
    +
    BLS12_381.pairing_check(xs : list(g1), ys : list(g2)) : bool
+
    +

    Pairing check of a list of points, xs and ys should be of equal length.

    +
    int_to_fr
    +
    BLS12_381.int_to_fr(x : int) : fr
+
    +

    Convert an integer to an fr - a 32 bytes internal (Montgomery) integer representation.

    +
    int_to_fp
    +
    BLS12_381.int_to_fp(x : int) : fp
+
    +

    Convert an integer to an fp - a 48 bytes internal (Montgomery) integer representation.

    +
    fr_to_int
    +
    BLS12_381.fr_to_int(x : fr)  : int
+
    +

    Convert a fr value into an integer.

    +
    fp_to_int
    +
    BLS12_381.fp_to_int(x : fp)  : int
+
    +

    Convert a fp value into an integer.

    +
    mk_g1
    +
    BLS12_381.mk_g1(x : int, y : int, z : int) : g1
+
    +

    Construct a g1 point from three integers.

    +
    mk_g2
    +
    BLS12_381.mk_g2(x1 : int, x2 : int, y1 : int, y2 : int, z1 : int, z2 : int) : g2
+
    +

    Construct a g2 point from six integers.

    +
    g1_neg
    +
    BLS12_381.g1_neg(p : g1) : g1
+
    +

    Negate a g1 value.

    +
    g1_norm
    +
    BLS12_381.g1_norm(p : g1) : g1
+
    +

    Normalize a g1 value.

    +
    g1_valid
    +
    BLS12_381.g1_valid(p : g1) : bool
+
    +

    Check that a g1 value is a group member.

    +
    g1_is_zero
    +
    BLS12_381.g1_is_zero(p : g1) : bool
+
    +

    Check if a g1 value corresponds to the zero value of the group.

    +
    g1_add
    +
    BLS12_381.g1_add(p : g1, q : g1) : g1
+
    +

    Add two g1 values.

    +
    g1_mul
    +
    BLS12_381.g1_mul(k : fr, p : g1) : g1
+
    +

    Scalar multiplication for g1.

    +
    g2_neg
    +
    BLS12_381.g2_neg(p : g2) : g2
+
    +

    Negate a g2 value.

    +
    g2_norm
    +
    BLS12_381.g2_norm(p : g2) : g2
+
    +

    Normalize a g2 value.

    +
    g2_valid
    +
    BLS12_381.g2_valid(p : g2) : bool
+
    +

    Check that a g2 value is a group member.

    +
    g2_is_zero
    +
    BLS12_381.g2_is_zero(p : g2) : bool
+
    +

    Check if a g2 value corresponds to the zero value of the group.

    +
    g2_add
    +
    BLS12_381.g2_add(p : g2, q : g2) : g2
+
    +

    Add two g2 values.

    +
    g2_mul
    +
    BLS12_381.g2_mul(k : fr, p : g2) : g2
+
    +

    Scalar multiplication for g2.

    +
    gt_inv
    +
    BLS12_381.gt_inv(p : gt) : gt
+
    +

    Invert a gt value.

    +
    gt_add
    +
    BLS12_381.gt_add(p : gt, q : gt) : gt
+
    +

    Add two gt values.

    +
    gt_mul
    +
    BLS12_381.gt_mul(p : gt, q : gt) : gt
+
    +

    Multiply two gt values.

    +
    gt_pow
    +
    BLS12_381.gt_pow(p : gt, k : fr) : gt
+
    +

    Calculate exponentiation p ^ k.

    +
    gt_is_one
    +
    BLS12_381.gt_is_one(p : gt) : bool
+
    +

    Compare a gt value to the unit value of the Gt group.

    +
    pairing
    +
    BLS12_381.pairing(p : g1, q : g2) : gt
+
    +

    Compute the pairing of a g1 value and a g2 value.

    +
    miller_loop
    +
    BLS12_381.miller_loop(p : g1, q : g2) : gt
+
    +

    Do the Miller loop stage of pairing for g1 and g2.

    +
    final_exp
    +
    BLS12_381.final_exp(p : gt) : gt
+
    +

    Perform the final exponentiation step of pairing for a gt value.

    +

    Func

    +

    Functional combinators.

    +

    id

    +
    Func.id(x : 'a) : 'a
+
    +

    Identity function. Returns its argument.

    +

    const

    +
    Func.const(x : 'a) : 'b => 'a = (y) => x
+
    +

    Constant function constructor. Given x returns a function that returns x regardless of its argument.

    +

    flip

    +
    Func.flip(f : ('a, 'b) => 'c) : ('b, 'a) => 'c
+
    +

    Switches order of arguments of arity 2 function.

    +

    comp

    +
    Func.comp(f : 'b => 'c, g : 'a => 'b) : 'a => 'c
+
    +

    Function composition. comp(f, g)(x) == f(g(x)).

    +

    pipe

    +
    Func.pipe(f : 'a => 'b, g : 'b => 'c) : 'a => 'c
+
    +

    Flipped function composition. pipe(f, g)(x) == g(f(x)).

    +

    rapply

    +
    Func.rapply(x : 'a, f : 'a => 'b) : 'b
+
    +

    Reverse application. rapply(x, f) == f(x).

    +

    recur

    +
    Func.recur(f : ('arg => 'res, 'arg) => 'res) : 'arg => 'res
+
    +

    The Z combinator. Allows performing local recursion and having anonymous recursive lambdas. To make function A => B recursive the user needs to transform it to take two arguments instead – one of type A => B which is going to work as a self-reference, and the other one of type A which is the original argument. Therefore, transformed function should have (A => B, A) => B signature.

    +

    Example usage: +

    let factorial = recur((fac, n) => if(n < 2) 1 else n * fac(n - 1))
+

    +

    If the function is going to take more than one argument it will need to be either tuplified or have curried out latter arguments.

    +

    Example (factorial with custom step):

    +
    // tuplified version
+let factorial_t(n, step) =
+  let fac(rec, args) =
+    let (n, step) = args
+    if(n < 2) 1 else n * rec((n - step, step))
+  recur(fac)((n, step))
+
+// curried version
+let factorial_c(n, step) =
+  let fac(rec, n) = (step) =>
+    if(n < 2) 1 else n * rec(n - 1)(step)
+  recur(fac)(n)(step)
+
    +

    iter

    +
    Func.iter(n : int, f : 'a => 'a) : 'a => 'a
+
    +

    nth composition of f with itself, for instance iter(3, f) is equivalent to (x) => f(f(f(x))).

    +

    curry

    +
    Func.curry2(f : ('a, 'b) => 'c) : 'a => ('b => 'c)
+Func.curry3(f : ('a, 'b, 'c) => 'd) : 'a => ('b => ('c => 'd))
+
    +

    Turns a function that takes n arguments into a curried function that takes +one argument and returns a function that waits for the rest in the same +manner. For instance curry2((a, b) => a + b)(1)(2) == 3.

    +

    uncurry

    +
    Func.uncurry2(f : 'a => ('b => 'c)) : ('a, 'b) => 'c
+Func.uncurry3(f : 'a => ('b => ('c => 'd))) : ('a, 'b, 'c) => 'd
+
    +

    Opposite to curry.

    +

    tuplify

    +
    Func.tuplify2(f : ('a, 'b) => 'c) : (('a * 'b)) => 'c
+Func.tuplify3(f : ('a, 'b, 'c) => 'd) : 'a * 'b * 'c => 'd
+
    +

    Turns a function that takes n arguments into a function that takes an n-tuple.

    +

    untuplify

    +
    Func.untuplify2(f : 'a * 'b => 'c) : ('a, 'b) => 'c
+Func.untuplify3(f : 'a * 'b * 'c => 'd) : ('a, 'b, 'c) => 'd
+
    +

    Opposite to tuplify.

    +

    Frac

    +

    This namespace provides operations on rational numbers. A rational number is represented +as a fraction of two integers which are stored internally in the frac datatype.

    +

    The datatype consists of three constructors Neg/2, Zero/0 and Pos/2 which determine the +sign of the number. Both values stored in Neg and Pos need to be strictly positive +integers. However, when creating a frac you should never use the constructors explicitly. +Instead of that, always use provided functions like make_frac or from_int. This helps +keeping the internal representation well defined.

    +

    The described below functions take care of the normalization of the fractions – +they won't grow if it is unnecessary. Please note that the size of frac can be still +very big while the value is actually very close to a natural number – the division of +two extremely big prime numbers will be as big as both of them. To face this issue +the optimize function is provided. It will approximate the value of the +fraction to fit in the given error margin and to shrink its size as much as possible.

    +

    Important note: frac must not be compared using standard <-like operators. +The operator comparison is not possible to overload at this moment, nor the +language provides checkers to prevent unintended usage of them. Therefore the typechecker +will allow that and the results of such comparison will be unspecified. +You should use lt, geq, eq etc instead.

    +

    Types

    +
    frac
    +
    datatype frac = Pos(int, int) | Zero | Neg(int, int)
+
    +

    Internal representation of fractional numbers. First integer encodes the numerator and the second the denominator – +both must be always positive, as the sign is being handled by the choice of the constructor.

    +

    Functions

    +
    make_frac
    +

    Frac.make_frac(n : int, d : int) : frac

    +

    Creates a fraction out of numerator and denominator. Automatically normalizes, so +make_frac(2, 4) and make_frac(1, 2) will yield same results.

    +
    num
    +

    Frac.num(f : frac) : int

    +

    Returns the numerator of a fraction.

    +
    den
    +

    Frac.den(f : frac) : int

    +

    Returns the denominator of a fraction.

    +
    to_pair
    +

    Frac.to_pair(f : frac) : int * int

    +

    Turns a fraction into a pair of numerator and denominator.

    +
    sign
    +

    Frac.sign(f : frac) : int

    +

    Returns the signum of a fraction, -1, 0, 1 if negative, zero, positive respectively.

    +
    to_str
    +

    Frac.to_str(f : frac) : string

    +

    Conversion to string. Does not display division by 1 or denominator if equals zero.

    +
    simplify
    +

    Frac.simplify(f : frac) : frac

    +

    Reduces fraction to normal form if for some reason it is not in it.

    +
    eq
    +

    Frac.eq(a : frac, b : frac) : bool

    +

    Checks if a is equal to b.

    +
    neq
    +

    Frac.neq(a : frac, b : frac) : bool

    +

    Checks if a is not equal to b.

    +
    geq
    +

    Frac.geq(a : frac, b : frac) : bool

    +

    Checks if a is greater or equal to b.

    +
    leq
    +

    Frac.leq(a : frac, b : frac) : bool

    +

    Checks if a is lesser or equal to b.

    +
    gt
    +

    Frac.gt(a : frac, b : frac) : bool

    +

    Checks if a is greater than b.

    +
    lt
    +

    Frac.lt(a : frac, b : frac) : bool

    +

    Checks if a is lesser than b.

    +
    min
    +

    Frac.min(a : frac, b : frac) : frac

    +

    Chooses lesser of the two fractions.

    +
    max
    +

    Frac.max(a : frac, b : frac) : frac

    +

    Chooses greater of the two fractions.

    +
    abs
    +

    Frac.abs(f : frac) : frac

    +

    Absolute value.

    +
    from_int
    +

    Frac.from_int(n : int) : frac

    +

    From integer conversion. Effectively make_frac(n, 1).

    +
    floor
    +

    Frac.floor(f : frac) : int

    +

    Rounds a fraction to the nearest lesser or equal integer.

    +
    ceil
    +

    Frac.ceil(f : frac) : int

    +

    Rounds a fraction to the nearest greater or equal integer.

    +
    round_to_zero
    +

    Frac.round_to_zero(f : frac) : int

    +

    Rounds a fraction towards zero. +Effectively ceil if lesser than zero and floor if greater.

    +
    round_from_zero
    +

    Frac.round_from_zero(f : frac) : int

    +

    Rounds a fraction from zero. +Effectively ceil if greater than zero and floor if lesser.

    +
    round
    +

    Frac.round(f : frac) : int

    +

    Rounds a fraction to a nearest integer. If two integers are in the same distance it +will choose the even one.

    +
    add
    +

    Frac.add(a : frac, b : frac) : frac

    +

    Sum of the fractions.

    +
    neg
    +

    Frac.neg(a : frac) : frac

    +

    Negation of the fraction.

    +
    sub
    +

    Frac.sub(a : frac, b : frac) : frac

    +

    Subtraction of two fractions.

    +
    inv
    +

    Frac.inv(a : frac) : frac

    +

    Inverts a fraction. Throws error if a is zero.

    +
    mul
    +

    Frac.mul(a : frac, b : frac) : frac

    +

    Multiplication of two fractions.

    +
    div
    +

    Frac.div(a : frac, b : frac) : frac

    +

    Division of two fractions.

    +
    int_exp
    +

    Frac.int_exp(b : frac, e : int) : frac

    +

    Takes b to the power of e. The exponent can be a negative value.

    +
    optimize
    +

    Frac.optimize(f : frac, loss : frac) : frac

    +

    Shrink the internal size of a fraction as much as possible by approximating it to the +point where the error would exceed the loss value.

    +
    is_sane
    +

    Frac.is_sane(f : frac) : bool

    +

    For debugging. If it ever returns false in a code that doesn't call frac constructors or +accept arbitrary fracs from the surface you should report it as a +bug

    +

    If you expect getting calls with malformed fracs in your contract, you should use +this function to verify the input.

    +

    List

    +

    This module contains common operations on lists like constructing, querying, traversing etc.

    +

    is_empty

    +
    List.is_empty(l : list('a)) : bool
+
    +

    Returns true iff the list is equal to [].

    +

    first

    +
    List.first(l : list('a)) : option('a)
+
    +

    Returns Some of the first element of a list or None if the list is empty.

    +

    tail

    +
    List.tail(l : list('a)) : option(list('a))
+
    +

    Returns Some of a list without its first element or None if the list is empty.

    +

    last

    +
    List.last(l : list('a)) : option('a)
+
    +

    Returns Some of the last element of a list or None if the list is empty.

    +

    contains

    +

    List.contains(e : 'a, l : list('a)) : bool
+
    +Checks if list l contains element e. Equivalent to List.find(x => x == e, l) != None.

    +

    find

    +
    List.find(p : 'a => bool, l : list('a)) : option('a)
+
    +

    Finds first element of l fulfilling predicate p as Some or None if no such element exists.

    +

    find_indices

    +
    List.find_indices(p : 'a => bool, l : list('a)) : list(int)
+
    +

    Returns list of all indices of elements from l that fulfill the predicate p.

    +

    nth

    +
    List.nth(n : int, l : list('a)) : option('a)
+
    +

    Gets nth element of l as Some or None if l is shorter than n + 1 or n is negative.

    +

    get

    +
    List.get(n : int, l : list('a)) : 'a
+
    +

    Gets nth element of l forcefully, throwing and error if l is shorter than n + 1 or n is negative.

    +

    length

    +
    List.length(l : list('a)) : int
+
    +

    Returns length of a list.

    +

    from_to

    +
    List.from_to(a : int, b : int) : list(int)
+
    +

    Creates an ascending sequence of all integer numbers between a and b (including a and b).

    +

    from_to_step

    +
    List.from_to_step(a : int, b : int, step : int) : list(int)
+
    +

    Creates an ascending sequence of integer numbers betweeen a and b jumping by given step. Includes a and takes b only if (b - a) mod step == 0. step should be bigger than 0.

    +

    replace_at

    +
    List.replace_at(n : int, e : 'a, l : list('a)) : list('a)
+
    +

    Replaces nth element of l with e. Throws an error if n is negative or would cause an overflow.

    +

    insert_at

    +
    List.insert_at(n : int, e : 'a, l : list('a)) : list('a)
+
    +

    Inserts e into l to be on position n by shifting following elements further. For instance, +

    insert_at(2, 9, [1,2,3,4])
+
    +will yield [1,2,9,3,4].

    +

    insert_by

    +
    List.insert_by(cmp : (('a, 'a) => bool), x : 'a, l : list('a)) : list('a)
+
    +

    Assuming that cmp represents < comparison, inserts x before the first element in the list l which is greater than it. For instance, +

    insert_by((a, b) => a < b, 4, [1,2,3,5,6,7])
+
    +will yield [1,2,3,4,5,6,7]

    +

    foldr

    +
    List.foldr(cons : ('a, 'b) => 'b, nil : 'b, l : list('a)) : 'b
+
    +

    Right fold of a list. Assuming l = [x, y, z] will return f(x, f(y, f(z, nil))). +Not tail recursive.

    +

    foldl

    +
    List.foldl(rcons : ('b, 'a) => 'b, acc : 'b, l : list('a)) : 'b
+
    +

    Left fold of a list. Assuming l = [x, y, z] will return f(f(f(acc, x), y), z). +Tail recursive.

    +

    foreach

    +
    List.foreach(l : list('a), f : 'a => unit) : unit
+
    +

    Evaluates f on each element of a list.

    +

    reverse

    +
    List.reverse(l : list('a)) : list('a)
+
    +

    Returns a copy of l with reversed order of elements.

    +

    map

    +
    List.map(f : 'a => 'b, l : list('a)) : list('b)
+
    +

    Maps function f over a list. For instance +

    map((x) => x == 0, [1, 2, 0, 3, 0])
+
    +will yield [false, false, true, false, true]

    +

    flat_map

    +
    List.flat_map(f : 'a => list('b), l : list('a)) : list('b)
+
    +

    Maps f over a list and then flattens it. For instance +

    flat_map((x) => [x, x * 10], [1, 2, 3])
+
    +will yield [1, 10, 2, 20, 3, 30]

    +

    filter

    +
    List.filter(p : 'a => bool, l : list('a)) : list('a)
+
    +

    Filters out elements of l that fulfill predicate p. For instance +

    filter((x) => x > 0, [-1, 1, -2, 0, 1, 2, -3])
+
    +will yield [1, 1, 2]

    +

    take

    +
    List.take(n : int, l : list('a)) : list('a)
+
    +

    Takes n first elements of l. Fails if n is negative. If n is greater than length of a list it will return whole list.

    +

    drop

    +
    List.drop(n : int, l : list('a)) : list('a)
+
    +

    Removes n first elements of l. Fails if n is negative. If n is greater than length of a list it will return [].

    +

    take_while

    +
    List.take_while(p : 'a => bool, l : list('a)) : list('a)
+
    +

    Returns longest prefix of l in which all elements fulfill p.

    +

    drop_while

    +
    List.drop_while(p : 'a => bool, l : list('a)) : list('a)
+
    +

    Removes longest prefix from l in which all elements fulfill p.

    +

    partition

    +
    List.partition(p : 'a => bool, l : list('a)) : (list('a) * list('a))
+
    +

    Separates elements of l that fulfill p and these that do not. Elements fulfilling predicate will be in the right list. For instance +

    partition((x) => x > 0, [-1, 1, -2, 0, 1, 2, -3])
+
    +will yield ([1, 1, 2], [-1, -2, 0, -3])

    +

    flatten

    +
    List.flatten(ll : list(list('a))) : list('a)
+
    +

    Flattens a list of lists into a one list.

    +

    all

    +
    List.all(p : 'a => bool, l : list('a)) : bool
+
    +

    Checks if all elements of a list fulfill predicate p.

    +

    any

    +
    List.any(p : 'a => bool, l : list('a)) : bool
+
    +

    Checks if any element of a list fulfills predicate p.

    +

    sum

    +
    List.sum(l : list(int)) : int
+
    +

    Sums elements of a list. Returns 0 if the list is empty.

    +

    product

    +
    List.product(l : list(int)) : int
+
    +

    Multiplies elements of a list. Returns 1 if the list is empty.

    +

    zip_with

    +
    List.zip_with(f : ('a, 'b) => 'c, l1 : list('a), l2 : list('b)) : list('c)
+
    +

    "zips" two lists with a function. n-th element of resulting list will be equal to f(x1, x2) where x1 and x2 are n-th elements of l1 and l2 respectively. Will cut off the tail of the longer list. For instance +

    zip_with((a, b) => a + b, [1,2], [1,2,3])
+
    +will yield [2,4]

    +

    zip

    +
    List.zip(l1 : list('a), l2 : list('b)) : list('a * 'b)
+
    +

    Special case of zip_with where the zipping function is (a, b) => (a, b).

    +

    unzip

    +
    List.unzip(l : list('a * 'b)) : list('a) * list('b)
+
    +

    Opposite to the zip operation. Takes a list of pairs and returns pair of lists with respective elements on same indices.

    +

    merge

    +
    List.merge(lesser_cmp : ('a, 'a) => bool, l1 : list('a), l2 : list('a)) : list('a)
+
    +

    Merges two sorted lists into a single sorted list. O(length(l1) + length(l2))

    +

    sort

    +
    List.sort(lesser_cmp : ('a, 'a) => bool, l : list('a)) : list('a)
+
    +

    Sorts a list using given comparator. lesser_cmp(x, y) should return true iff x < y. If lesser_cmp is not transitive or there exists an element x such that lesser_cmp(x, x) or there exists a pair of elements x and y such that lesser_cmp(x, y) && lesser_cmp(y, x) then the result is undefined. O(length(l) * log_2(length(l))).

    +

    intersperse

    +
    List.intersperse(delim : 'a, l : list('a)) : list('a)
+
    +

    Intersperses elements of l with delim. Does nothing on empty lists and singletons. For instance +

    intersperse(0, [1, 2, 3, 4])
+
    +will yield [1, 0, 2, 0, 3, 0, 4]

    +

    enumerate

    +
    List.enumerate(l : list('a)) : list(int * 'a)
+
    +

    Equivalent to zip with [0..length(l)], but slightly faster.

    +

    Option

    +

    Common operations on option types and lists of options.

    +

    is_none

    +
    Option.is_none(o : option('a)) : bool
+
    +

    Returns true iff o == None

    +

    is_some

    +
    Option.is_some(o : option('a)) : bool
+
    +

    Returns true iff o is not None.

    +

    match

    +
    Option.match(n : 'b, s : 'a => 'b, o : option('a)) : 'b
+
    +

    Behaves like pattern matching on option using two case functions.

    +

    default

    +
    Option.default(def : 'a, o : option('a)) : 'a
+
    +

    Escapes option wrapping by providing default value for None.

    +

    force

    +
    Option.force(o : option('a)) : 'a
+
    +

    Forcefully escapes the option wrapping assuming it is Some. +Aborts on None.

    +

    force_msg

    +
    Option.force_msg(o : option('a), err : string) : 'a
+
    +

    Forcefully escapes the option wrapping assuming it is Some. +Aborts with err error message on None.

    +

    contains

    +

    Option.contains(e : 'a, o : option('a)) : bool
+
    +Returns true if and only if o contains element equal to e. Equivalent to Option.match(false, x => x == e, o).

    +

    on_elem

    +
    Option.on_elem(o : option('a), f : 'a => unit) : unit
+
    +

    Evaluates f on element under Some. Does nothing on None.

    +

    map

    +
    Option.map(f : 'a => 'b, o : option('a)) : option('b)
+
    +

    Maps element under Some. Leaves None unchanged.

    +

    map2

    +
    Option.map2(f : ('a, 'b) => 'c, o1 : option('a), o2 : option('b)) : option('c)
+
    +

    Applies arity 2 function over two options' elements. Returns Some iff both of o1 and o2 were Some, or None otherwise. For instance +

    map2((a, b) => a + b, Some(1), Some(2))
+
    +will yield Some(3) and +
    map2((a, b) => a + b, Some(1), None)
+
    +will yield None.

    +

    map3

    +
    Option.map3(f : ('a, 'b, 'c) => 'd, o1 : option('a), o2 : option('b), o3 : option('c)) : option('d)
+
    +

    Same as map2 but with arity 3 function.

    +

    app_over

    +
    Option.app_over(f : option ('a => 'b), o : option('a)) : option('b)
+
    +

    Applies function under option over argument under option. If either of them is None the result will be None as well. For instance +

    app_over(Some((x) => x + 1), Some(1))
+
    +will yield Some(2) and +
    app_over(Some((x) => x + 1), None)
+
    +will yield None.

    +

    flat_map

    +
    Option.flat_map(f : 'a => option('b), o : option('a)) : option('b)
+
    +

    Performs monadic bind on an option. Extracts element from o (if present) and forms new option from it. For instance +

    flat_map((x) => Some(x + 1), Some(1))
+
    +will yield Some(2) and +
    flat_map((x) => Some(x + 1), None)
+
    +will yield None.

    +

    to_list

    +
    Option.to_list(o : option('a)) : list('a)
+
    +

    Turns o into an empty (if None) or singleton (if Some) list.

    +

    filter_options

    +
    Option.filter_options(l : list(option('a))) : list('a)
+
    +

    Removes Nones from list and unpacks all remaining Somes. For instance +

    filter_options([Some(1), None, Some(2)])
+
    +will yield [1, 2].

    +

    seq_options

    +
    Option.seq_options(l : list (option('a))) : option (list('a))
+
    +

    Tries to unpack all elements of a list from Somes. Returns None if at least element of l is None. For instance +

    seq_options([Some(1), Some(2)])
+
    +will yield Some([1, 2]), but +
    seq_options([Some(1), Some(2), None])
+
    +will yield None.

    +

    choose

    +
    Option.choose(o1 : option('a), o2 : option('a)) : option('a)
+
    +

    Out of two options choose the one that is Some, or None if both are Nones.

    +

    choose_first

    +
    Option.choose_first(l : list(option('a))) : option('a)
+
    +

    Same as choose, but chooses from a list insted of two arguments.

    +

    Pair

    +

    Common operations on 2-tuples.

    +

    fst

    +
    Pair.fst(t : ('a * 'b)) : 'a
+
    +

    First element projection.

    +

    snd

    +
    Pair.snd(t : ('a * 'b)) : 'b
+
    +

    Second element projection.

    +

    map1

    +
    Pair.map1(f : 'a => 'c, t : ('a * 'b)) : ('c * 'b)
+
    +

    Applies function over first element.

    +

    map2

    +
    Pair.map2(f : 'b => 'c, t : ('a * 'b)) : ('a * 'c)
+
    +

    Applies function over second element.

    +

    bimap

    +
    Pair.bimap(f : 'a => 'c, g : 'b => 'd, t : ('a * 'b)) : ('c * 'd)
+
    +

    Applies functions over respective elements.

    +

    swap

    +
    Pair.swap(t : ('a * 'b)) : ('b * 'a)
+
    +

    Swaps elements.

    +

    Set

    +

    Types

    +
    record set('a) = { to_map : map('a, unit) }
+
    +

    Functions

    +
    new
    +
    Set.new() : set('a)
+
    +

    Returns an empty set

    +
    member
    +
    member(e : 'a, s : set('a)) : bool
+
    +

    Checks if the element e is present in the set s

    +
    insert
    +
    insert(e : 'a, s : set('a)) : set('a)
+
    +

    Inserts the element e in the set s

    +
    delete
    +
    Set.delete(e : 'a, s : set('a)) : set('a)
+
    +

    Removes the element e from the set s

    +
    size
    +
    size(s : set('a)) : int
+
    +

    Returns the number of elements in the set s

    +
    to_list
    +
    Set.to_list(s : set('a)) : list('a)
+
    +

    Returns a list containing the elements of the set s

    +
    from_list
    +
    Set.from_list(l : list('a)) : set('a)
+
    +

    Turns the list l into a set

    +
    filter
    +
    Set.filter(p : 'a => bool, s : set('a)) : set('a)
+
    +

    Filters out elements of s that fulfill predicate p

    +
    fold
    +
    Set.fold(f : ('a, 'b) => 'b, acc : 'b, s : set('a)) : 'b
+
    +

    Folds the function f over every element in the set s and returns the final value of the accumulator acc.

    +
    subtract
    +
    Set.subtract(s1 : set('a), s2 : set('a)) : set('a)
+
    +

    Returns the elements of s1 that are not members of s2

    +
    intersection
    +
    Set.intersection(s1 : set('a), s2 : set('a)) : set('a)
+
    +

    Returns the intersection of the two sets s1 and s2

    +
    intersection_list
    +
    Set.intersection_list(sets : list(set('a))) : set('a)
+
    +

    Returns the intersection of all the sets in the given list

    +
    union
    +
    Set.union(s1 : set('a), s2 : set('a)) : set('a)
+
    +

    Returns the union of the two sets s1 and s2

    +
    union_list
    +
    Set.union_list(sets : list(set('a))) : set('a)
+
    +

    Returns the union of all the sets in the given list

    +

    String

    +

    Operations on the string type. A string is a UTF-8 encoded byte array.

    +

    length

    +

    length(s : string) : int

    +

    The length of a string.

    +

    Note: not equivalent to byte size of the string, rather List.length(String.to_list(s))

    +

    concat

    +
    concat(s1 : string, s2 : string) : string
+
    +

    Concatenates s1 and s2.

    +

    concats

    +
    concats(ss : list(string)) : string
+
    +

    Concatenates a list of strings.

    +

    to_list

    +
    to_list(s : string) : list(char)
+
    +

    Converts a string to a list of char - the code points are normalized, but +composite characters are possibly converted to multiple chars. For example the +string "😜i̇" is converted to [128540,105,775] - where the smiley is the first +code point and the strangely dotted i becomes [105, 775].

    +

    from_list

    +
    from_list(cs : list(char)) : string
+
    +

    Converts a list of characters into a normalized UTF-8 string.

    +

    to_lower

    +
    to_lower(s : string) : string
+
    +

    Converts a string to lowercase.

    +

    to_upper

    +
    to_upper(s : string) : string
+
    +

    Converts a string to uppercase.

    +

    at

    +
    at(ix : int, s : string) : option(char)
+
    +

    Returns the character/codepoint at (zero-based) index ix. Basically the equivalent to +List.nth(ix, String.to_list(s)).

    +

    split

    +
    split(ix : int, s:string) : string * string
+
    +

    Splits a string at (zero-based) index ix.

    +

    contains

    +
    contains(str : string, pat : string) : option(int)
+
    +

    Searches for pat in str, returning Some(ix) if pat is a substring of +str starting at position ix, otherwise returns None.

    +

    tokens

    +
    tokens(str : string, pat : string) : list(string)
+
    +

    Splits str into tokens, pat is the divider of tokens.

    +

    to_int

    +
    to_int(s : string) : option(int)
+
    +

    Converts a decimal ("123", "-253") or a hexadecimal ("0xa2f", "-0xBBB") string into +an integer. If the string doesn't contain a valid number None is returned.

    +

    sha3

    +
    sha3(s : string) : hash
+
    +

    Computes the SHA3/Keccak hash of the string.

    +

    sha256

    +
    sha256(s : string) : hash
+
    +

    Computes the SHA256 hash of the string.

    +

    blake2b

    +
    blake2b(s : string) : hash
+
    +

    Computes the Blake2B hash of the string.

    +

    Triple

    +

    fst

    +
    Triple.fst(t : ('a * 'b * 'c)) : 'a
+
    +

    First element projection.

    +

    snd

    +
    Triple.snd(t : ('a * 'b * 'c)) : 'b
+
    +

    Second element projection.

    +

    thd

    +
    Triple.thd(t : ('a * 'b * 'c)) : 'c
+
    +

    Third element projection.

    +

    map1

    +
    Triple.map1(f : 'a => 'm, t : ('a * 'b * 'c)) : ('m * 'b * 'c)
+
    +

    Applies function over first element.

    +

    map2

    +
    Triple.map2(f : 'b => 'm, t : ('a * 'b * 'c)) : ('a * 'm * 'c)
+
    +

    Applies function over second element.

    +

    map3

    +
    Triple.map3(f : 'c => 'm, t : ('a * 'b * 'c)) : ('a * 'b * 'm)
+
    +

    Applies function over third element.

    +

    trimap

    +
    Triple.trimap(f : 'a => 'x, g : 'b => 'y, h : 'c => 'z, t : ('a * 'b * 'c)) : ('x * 'y * 'z)
+
    +

    Applies functions over respective elements.

    +

    swap

    +
    Triple.swap(t : ('a * 'b * 'c)) : ('c * 'b * 'a)
+
    +

    Swaps first and third element.

    +

    rotr

    +
    Triple.rotr(t : ('a * 'b * 'c)) : ('c * 'a * 'b)
+
    +

    Cyclic rotation of the elements to the right.

    +

    rotl

    +
    Triple.rotl(t : ('a * 'b * 'c)) : ('b * 'c * 'a)
+
    +

    Cyclic rotation of the elements to the left.

    + + + + + + + +
    +
    +
    + +
    + + + + +
    +
    +
    +
    + + + + + + + + \ No newline at end of file diff --git a/v7.0.1/sophia_syntax/index.html b/v7.0.1/sophia_syntax/index.html new file mode 100644 index 0000000..c71f4cf --- /dev/null +++ b/v7.0.1/sophia_syntax/index.html @@ -0,0 +1,995 @@ + + + + + + + + + + + + + + + + + Syntax - æternity Sophia Language + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    + +
    + + + +
    + + +
    + +
    + + + + + + +
    +
    + + + +
    +
    +
    + + + + +
    +
    +
    + + + +
    +
    +
    + + + + +
    +
    +
    + + +
    +
    + + + +

    Syntax

    +

    Lexical syntax

    +

    Comments

    +

    Single line comments start with // and block comments are enclosed in /* +and */ and can be nested.

    +

    Keywords

    +
    contract include let switch type record datatype if elif else function
+stateful payable true false mod public entrypoint private indexed namespace
+interface main using as for hiding
+
    +

    Tokens

    +
      +
    • Id = [a-z_][A-Za-z0-9_']* identifiers start with a lower case letter.
      • +
    • Con = [A-Z][A-Za-z0-9_']* constructors start with an upper case letter.
      • +
    • QId = (Con\.)+Id qualified identifiers (e.g. Map.member)
      • +
    • QCon = (Con\.)+Con qualified constructor
      • +
    • TVar = 'Id type variable (e.g 'a, 'b)
      • +
    • Int = [0-9]+(_[0-9]+)*|0x[0-9A-Fa-f]+(_[0-9A-Fa-f]+)* integer literal with optional _ separators
      • +
    • Bytes = #[0-9A-Fa-f]+(_[0-9A-Fa-f]+)* byte array literal with optional _ separators
      • +
    • String string literal enclosed in " with escape character \
      • +
    • Char character literal enclosed in ' with escape character \
      • +
    • AccountAddress base58-encoded 32 byte account pubkey with ak_ prefix
      • +
    • ContractAddress base58-encoded 32 byte contract address with ct_ prefix
      • +
    • OracleAddress base58-encoded 32 byte oracle address with ok_ prefix
      • +
    • OracleQueryId base58-encoded 32 byte oracle query id with oq_ prefix
      • +
    +

    Valid string escape codes are

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    EscapeASCII
    \b8
    \t9
    \n10
    \v11
    \f12
    \r13
    \e27
    \xHexDigitsHexDigits
    +

    See the identifier encoding scheme for the +details on the base58 literals.

    +

    Layout blocks

    +

    Sophia uses Python-style layout rules to group declarations and statements. A +layout block with more than one element must start on a separate line and be +indented more than the currently enclosing layout block. Blocks with a single +element can be written on the same line as the previous token.

    +

    Each element of the block must share the same indentation and no part of an +element may be indented less than the indentation of the block. For instance

    +
    contract Layout =
+  function foo() = 0  // no layout
+  function bar() =    // layout block starts on next line
+    let x = foo()     // indented more than 2 spaces
+    x
+     + 1              // the '+' is indented more than the 'x'
+
    +

    Notation

    +

    In describing the syntax below, we use the following conventions:

    +
      +
    • Upper-case identifiers denote non-terminals (like Expr) or terminals with + some associated value (like Id).
      • +
    • Keywords and symbols are enclosed in single quotes: 'let' or '='.
      • +
    • Choices are separated by vertical bars: |.
      • +
    • Optional elements are enclosed in [ square brackets ].
      • +
    • ( Parentheses ) are used for grouping.
      • +
    • Zero or more repetitions are denoted by a postfix *, and one or more + repetitions by a +.
      • +
    • Block(X) denotes a layout block of Xs.
      • +
    • Sep(X, S) is short for [X (S X)*], i.e. a possibly empty sequence of Xs + separated by Ss.
      • +
    • Sep1(X, S) is short for X (S X)*, i.e. same as Sep, but must not be empty.
      • +
    +

    Declarations

    +

    A Sophia file consists of a sequence of declarations in a layout block.

    +
    File ::= Block(TopDecl)
+
+TopDecl ::= ['payable'] ['main'] 'contract' Con [Implement] '=' Block(Decl)
+          | 'contract' 'interface' Con [Implement] '=' Block(Decl)
+          | 'namespace' Con '=' Block(Decl)
+          | '@compiler' PragmaOp Version
+          | 'include' String
+          | Using
+
+Implement ::= ':' Sep1(Con, ',')
+
+Decl ::= 'type'     Id ['(' TVar* ')'] '=' TypeAlias
+       | 'record'   Id ['(' TVar* ')'] '=' RecordType
+       | 'datatype' Id ['(' TVar* ')'] '=' DataType
+       | (EModifier* 'entrypoint' | FModifier* 'function') Block(FunDecl)
+       | Using
+
+FunDecl ::= Id ':' Type                             // Type signature
+          | Id Args [':' Type] '=' Block(Stmt)      // Definition
+          | Id Args [':' Type] Block(GuardedDef)    // Guarded definitions
+
+GuardedDef ::= '|' Sep1(Expr, ',') '=' Block(Stmt)
+
+Using ::= 'using' Con ['as' Con] [UsingParts]
+UsingParts ::= 'for' '[' Sep1(Id, ',') ']'
+             | 'hiding' '[' Sep1(Id, ',') ']'
+
+PragmaOp ::= '<' | '=<' | '==' | '>=' | '>'
+Version  ::= Sep1(Int, '.')
+
+EModifier ::= 'payable' | 'stateful'
+FModifier ::= 'stateful' | 'private'
+
+Args ::= '(' Sep(Pattern, ',') ')'
+
    +

    Contract declarations must appear at the top-level.

    +

    For example, +

    contract Test =
+  type t = int
+  entrypoint add (x : t, y : t) = x + y
+

    +

    There are three forms of type declarations: type aliases (declared with the +type keyword), record type definitions (record) and data type definitions +(datatype):

    +
    TypeAlias  ::= Type
+RecordType ::= '{' Sep(FieldType, ',') '}'
+DataType   ::= Sep1(ConDecl, '|')
+
+FieldType  ::= Id ':' Type
+ConDecl    ::= Con ['(' Sep1(Type, ',') ')']
+
    +

    For example, +

    record   point('a) = {x : 'a, y : 'a}
+datatype shape('a) = Circle(point('a), 'a) | Rect(point('a), point('a))
+type     int_shape = shape(int)
+

    +

    Types

    +
    Type ::= Domain '=>' Type             // Function type
+       | Type '(' Sep(Type, ',') ')'  // Type application
+       | '(' Type ')'                 // Parens
+       | 'unit' | Sep(Type, '*')      // Tuples
+       | Id | QId | TVar
+
+Domain ::= Type                       // Single argument
+         | '(' Sep(Type, ',') ')'     // Multiple arguments
+
    +

    The function type arrow associates to the right.

    +

    Example, +

    'a => list('a) => (int * list('a))
+

    +

    Statements

    +

    Function bodies are blocks of statements, where a statement is one of the following

    +
    Stmt ::= 'switch' '(' Expr ')' Block(Case)
+       | 'if' '(' Expr ')' Block(Stmt)
+       | 'elif' '(' Expr ')' Block(Stmt)
+       | 'else' Block(Stmt)
+       | 'let' LetDef
+       | Using
+       | Expr
+
+LetDef ::= Id Args [':' Type] '=' Block(Stmt)   // Function definition
+         | Pattern '=' Block(Stmt)              // Value definition
+
+Case    ::= Pattern '=>' Block(Stmt)
+          | Pattern Block(GuardedCase)
+
+GuardedCase ::= '|' Sep1(Expr, ',') '=>' Block(Stmt)
+
+Pattern ::= Expr
+
    +

    if statements can be followed by zero or more elif statements and an optional final else statement. For example,

    +
    let x : int = 4
+switch(f(x))
+  None => 0
+  Some(y) =>
+    if(y > 10)
+      "too big"
+    elif(y < 3)
+      "too small"
+    else
+      "just right"
+
    +

    Expressions

    +
    Expr ::= '(' LamArgs ')' '=>' Block(Stmt)   // Anonymous function    (x) => x + 1
+       | '(' BinOp ')'                      // Operator lambda       (+)
+       | 'if' '(' Expr ')' Expr 'else' Expr // If expression         if(x < y) y else x
+       | Expr ':' Type                      // Type annotation       5 : int
+       | Expr BinOp Expr                    // Binary operator       x + y
+       | UnOp Expr                          // Unary operator        ! b
+       | Expr '(' Sep(Expr, ',') ')'        // Application           f(x, y)
+       | Expr '.' Id                        // Projection            state.x
+       | Expr '[' Expr ']'                  // Map lookup            map[key]
+       | Expr '{' Sep(FieldUpdate, ',') '}' // Record or map update  r{ fld[key].x = y }
+       | '[' Sep(Expr, ',') ']'             // List                  [1, 2, 3]
+       | '[' Expr '|' Sep(Generator, ',') ']'
+                                            // List comprehension    [k | x <- [1], if (f(x)), let k = x+1]
+       | '[' Expr '..' Expr ']'             // List range            [1..n]
+       | '{' Sep(FieldUpdate, ',') '}'      // Record or map value   {x = 0, y = 1}, {[key] = val}
+       | '(' Expr ')'                       // Parens                (1 + 2) * 3
+       | '(' Expr '=' Expr ')'              // Assign pattern        (y = x::_)
+       | Id | Con | QId | QCon              // Identifiers           x, None, Map.member, AELib.Token
+       | Int | Bytes | String | Char        // Literals              123, 0xff, #00abc123, "foo", '%'
+       | AccountAddress | ContractAddress   // Chain identifiers
+       | OracleAddress | OracleQueryId      // Chain identifiers
+
+Generator ::= Pattern '<-' Expr   // Generator
+            | 'if' '(' Expr ')'   // Guard
+            | LetDef              // Definition
+
+LamArgs ::= '(' Sep(LamArg, ',') ')'
+LamArg  ::= Id [':' Type]
+
+FieldUpdate ::= Path '=' Expr
+Path ::= Id                 // Record field
+       | '[' Expr ']'       // Map key
+       | Path '.' Id        // Nested record field
+       | Path '[' Expr ']'  // Nested map key
+
+BinOp ::= '||' | '&&' | '<' | '>' | '=<' | '>=' | '==' | '!='
+        | '::' | '++' | '+' | '-' | '*' | '/' | 'mod' | '^'
+        | '|>'
+UnOp  ::= '-' | '!'
+
    +

    Operators types

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    OperatorsType
    - + * / mod ^arithmetic operators
    ! && ||logical operators
    == != < > =< >=comparison operators
    :: ++list operators
    |>functional operators
    +

    Operator precedence

    +

    In order of highest to lowest precedence.

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    OperatorsAssociativity
    !right
    ^left
    * / modleft
    - (unary)right
    + -left
    :: ++right
    < > =< >= == !=none
    &&right
    ||right
    |>left
    + + + + + + + +
    +
    +
    + +
    + + + + +
    +
    +
    +
    + + + + + + + + \ No newline at end of file diff --git a/versions.json b/versions.json index 64c0492..56a0d8d 100644 --- a/versions.json +++ b/versions.json @@ -1 +1 @@ -[{"version": "v7.0.0", "title": "v7.0.0", "aliases": ["latest"]}, {"version": "v6.1.0", "title": "v6.1.0", "aliases": []}, {"version": "master", "title": "master", "aliases": []}] \ No newline at end of file +[{"version": "v7.0.1", "title": "v7.0.1", "aliases": ["latest"]}, {"version": "v7.0.0", "title": "v7.0.0", "aliases": []}, {"version": "v6.1.0", "title": "v6.1.0", "aliases": []}, {"version": "master", "title": "master", "aliases": []}] \ No newline at end of file