reprism/languages/livescript.js

Modular Syntax highlighting for the web

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = {
  language: 'livescript',
  init: function init(Prism) {
    Prism.languages.livescript = {
      comment: [{
        pattern: /(^|[^\\])\/\*[\s\S]*?\*\//,
        lookbehind: true
      }, {
        pattern: /(^|[^\\])#.*/,
        lookbehind: true
      }],
      'interpolated-string': {
        /* Look-behind and look-ahead prevents wrong behavior of the greedy pattern
        * forcing it to match """-quoted string when it would otherwise match "-quoted first. */
        pattern: /(^|[^"])("""|")(?:\\[\s\S]|(?!\2)[^\\])*\2(?!")/,
        lookbehind: true,
        greedy: true,
        inside: {
          variable: {
            pattern: /(^|[^\\])#[a-z_](?:-?[a-z]|[\d_])*/m,
            lookbehind: true
          },
          interpolation: {
            pattern: /(^|[^\\])#\{[^}]+\}/m,
            lookbehind: true,
            inside: {
              'interpolation-punctuation': {
                pattern: /^#\{|\}$/,
                alias: 'variable'
              }
              // See rest below
            }
          },
          string: /[\s\S]+/
        }
      },
      string: [{
        pattern: /('''|')(?:\\[\s\S]|(?!\1)[^\\])*\1/,
        greedy: true
      }, {
        pattern: /<\[[\s\S]*?\]>/,
        greedy: true
      }, /\\[^\s,;\])}]+/],
      regex: [{
        pattern: /\/\/(\[.+?]|\\.|(?!\/\/)[^\\])+\/\/[gimyu]{0,5}/,
        greedy: true,
        inside: {
          comment: {
            pattern: /(^|[^\\])#.*/,
            lookbehind: true
          }
        }
      }, {
        pattern: /\/(\[.+?]|\\.|[^/\\\r\n])+\/[gimyu]{0,5}/,
        greedy: true
      }],
      keyword: {
        pattern: /(^|(?!-).)\b(?:break|case|catch|class|const|continue|default|do|else|extends|fallthrough|finally|for(?: ever)?|function|if|implements|it|let|loop|new|null|otherwise|own|return|super|switch|that|then|this|throw|try|unless|until|var|void|when|while|yield)(?!-)\b/m,
        lookbehind: true
      },
      'keyword-operator': {
        pattern: /(^|[^-])\b(?:(?:delete|require|typeof)!|(?:and|by|delete|export|from|import(?: all)?|in|instanceof|is(?:nt| not)?|not|of|or|til|to|typeof|with|xor)(?!-)\b)/m,
        lookbehind: true,
        alias: 'operator'
      },
      boolean: {
        pattern: /(^|[^-])\b(?:false|no|off|on|true|yes)(?!-)\b/m,
        lookbehind: true
      },
      argument: {
        // Don't match .&. nor &&
        pattern: /(^|(?!\.&\.)[^&])&(?!&)\d*/m,
        lookbehind: true,
        alias: 'variable'
      },
      number: /\b(?:\d+~[\da-z]+|\d[\d_]*(?:\.\d[\d_]*)?(?:[a-z]\w*)?)/i,
      identifier: /[a-z_](?:-?[a-z]|[\d_])*/i,
      operator: [
      // Spaced .
      {
        pattern: /( )\.(?= )/,
        lookbehind: true
      },
      // Full list, in order:
      // .= .~ .. ...
      // .&. .^. .<<. .>>. .>>>.
      // := :: ::=
      // &&
      // || |>
      // < << <<< <<<<
      // <- <-- <-! <--!
      // <~ <~~ <~! <~~!
      // <| <= <?
      // > >> >= >?
      // - -- -> -->
      // + ++
      // @ @@
      // % %%
      // * **
      // ! != !~=
      // !~> !~~>
      // !-> !-->
      // ~ ~> ~~> ~=
      // = ==
      // ^ ^^
      // / ?
      /\.(?:[=~]|\.\.?)|\.(?:[&|^]|<<|>>>?)\.|:(?:=|:=?)|&&|\|[|>]|<(?:<<?<?|--?!?|~~?!?|[|=?])?|>[>=?]?|-(?:->?|>)?|\+\+?|@@?|%%?|\*\*?|!(?:~?=|--?>|~?~>)?|~(?:~?>|=)?|==?|\^\^?|[\/?]/],
      punctuation: /[(){}\[\]|.,:;`]/
    };

    Prism.languages.livescript['interpolated-string'].inside.interpolation.inside.rest = Prism.languages.livescript;
  }
};