text: /*
  Language: TypeScript
  Author: Panu Horsmalahti <panu.horsmalahti@iki.fi>
  Description: TypeScript is a strict superset of JavaScript
  Category: scripting
  */
  
  function(hljs) {
    var KEYWORDS = {
      keyword:
        'in if for while finally var new function do return void else break catch ' +
        'instanceof with throw case default try this switch continue typeof delete ' +
        'let yield const class public private protected get set super ' +
        'static implements enum export import declare type namespace abstract',
      literal:
        'true false null undefined NaN Infinity',
      built_in:
        'eval isFinite isNaN parseFloat parseInt decodeURI decodeURIComponent ' +
        'encodeURI encodeURIComponent escape unescape Object Function Boolean Error ' +
        'EvalError InternalError RangeError ReferenceError StopIteration SyntaxError ' +
        'TypeError URIError Number Math Date String RegExp Array Float32Array ' +
        'Float64Array Int16Array Int32Array Int8Array Uint16Array Uint32Array ' +
        'Uint8Array Uint8ClampedArray ArrayBuffer DataView JSON Intl arguments require ' +
        'module console window document any number boolean string void'
    };
  
    return {
      aliases: ['ts'],
      keywords: KEYWORDS,
      contains: [
        {
          className: 'meta',
          begin: /^\s*['"]use strict['"]/
        },
        hljs.APOS_STRING_MODE,
        hljs.QUOTE_STRING_MODE,
        { // template string
          className: 'string',
          begin: '`', end: '`',
          contains: [
            hljs.BACKSLASH_ESCAPE,
            {
              className: 'subst',
              begin: '\\$\\{', end: '\\}'
            }
          ]
        },
        hljs.C_LINE_COMMENT_MODE,
        hljs.C_BLOCK_COMMENT_MODE,
        {
          className: 'number',
          variants: [
            { begin: '\\b(0[bB][01]+)' },
            { begin: '\\b(0[oO][0-7]+)' },
            { begin: hljs.C_NUMBER_RE }
          ],
          relevance: 0
        },
        { // "value" container
          begin: '(' + hljs.RE_STARTERS_RE + '|\\b(case|return|throw)\\b)\\s*',
          keywords: 'return throw case',
          contains: [
            hljs.C_LINE_COMMENT_MODE,
            hljs.C_BLOCK_COMMENT_MODE,
            hljs.REGEXP_MODE
          ],
          relevance: 0
        },
        {
          className: 'function',
          begin: 'function', end: /[\{;]/, excludeEnd: true,
          keywords: KEYWORDS,
          contains: [
            'self',
            hljs.inherit(hljs.TITLE_MODE, {begin: /[A-Za-z$_][0-9A-Za-z$_]*/}),
            {
              className: 'params',
              begin: /\(/, end: /\)/,
              excludeBegin: true,
              excludeEnd: true,
              keywords: KEYWORDS,
              contains: [
                hljs.C_LINE_COMMENT_MODE,
                hljs.C_BLOCK_COMMENT_MODE
              ],
              illegal: /["'\(]/
            }
          ],
          illegal: /%/,
          relevance: 0 // () => {} is more typical in TypeScript
        },
        {
          beginKeywords: 'constructor', end: /\{/, excludeEnd: true,
          contains: [
            'self',
            {
              className: 'params',
              begin: /\(/, end: /\)/,
              excludeBegin: true,
              excludeEnd: true,
              keywords: KEYWORDS,
              contains: [
                hljs.C_LINE_COMMENT_MODE,
                hljs.C_BLOCK_COMMENT_MODE
              ],
              illegal: /["'\(]/
            }
          ]
        },
        { // prevent references like module.id from being higlighted as module definitions
          begin: /module\./,
          keywords: {built_in: 'module'},
          relevance: 0
        },
        {
          beginKeywords: 'module', end: /\{/, excludeEnd: true
        },
        {
          beginKeywords: 'interface', end: /\{/, excludeEnd: true,
          keywords: 'interface extends'
        },
        {
          begin: /\$[(.]/ // relevance booster for a pattern common to JS libs: `$(something)` and `$.something`
        },
        {
          begin: '\\.' + hljs.IDENT_RE, relevance: 0 // hack: prevents detection of keywords after dots
        },
        {
          className: 'meta', begin: '@[A-Za-z]+'
        }
      ]
    };
  }
  