(function (Prism) {
  var keywords =
    /\b(?:ACT|ACTIFSUB|CARRAY|CASE|CLEARGIF|COA|COA_INT|CONSTANTS|CONTENT|CUR|EDITPANEL|EFFECT|EXT|FILE|FLUIDTEMPLATE|FORM|FRAME|FRAMESET|GIFBUILDER|GMENU|GMENU_FOLDOUT|GMENU_LAYERS|GP|HMENU|HRULER|HTML|IENV|IFSUB|IMAGE|IMGMENU|IMGMENUITEM|IMGTEXT|IMG_RESOURCE|INCLUDE_TYPOSCRIPT|JSMENU|JSMENUITEM|LLL|LOAD_REGISTER|NO|PAGE|RECORDS|RESTORE_REGISTER|TEMPLATE|TEXT|TMENU|TMENUITEM|TMENU_LAYERS|USER|USER_INT|_GIFBUILDER|global|globalString|globalVar)\b/;

  Prism.languages.typoscript = {
    comment: [
      {
        // multiline comments /* */
        pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
        lookbehind: true,
      },
      {
        // double-slash comments - ignored when backslashes or colon is found in front
        // also ignored whenever directly after an equal-sign, because it would probably be an url without protocol
        pattern: /(^|[^\\:= \t]|(?:^|[^= \t])[ \t]+)\/\/.*/,
        lookbehind: true,
        greedy: true,
      },
      {
        // hash comments - ignored when leading quote is found for hex colors in strings
        pattern: /(^|[^"'])#.*/,
        lookbehind: true,
        greedy: true,
      },
    ],
    function: [
      {
        // old include style
        pattern:
          /<INCLUDE_TYPOSCRIPT:\s*source\s*=\s*(?:"[^"\r\n]*"|'[^'\r\n]*')\s*>/,
        inside: {
          string: {
            pattern: /"[^"\r\n]*"|'[^'\r\n]*'/,
            inside: {
              keyword: keywords,
            },
          },
          keyword: {
            pattern: /INCLUDE_TYPOSCRIPT/,
          },
        },
      },
      {
        // new include style
        pattern: /@import\s*(?:"[^"\r\n]*"|'[^'\r\n]*')/,
        inside: {
          string: /"[^"\r\n]*"|'[^'\r\n]*'/,
        },
      },
    ],
    string: {
      pattern: /^([^=]*=[< ]?)(?:(?!\]\n).)*/,
      lookbehind: true,
      inside: {
        function: /\{\$.*\}/, // constants include
        keyword: keywords,
        number: /^\d+$/,
        punctuation: /[,|:]/,
      },
    },
    keyword: keywords,
    number: {
      // special highlighting for indexes of arrays in tags
      pattern: /\b\d+\s*[.{=]/,
      inside: {
        operator: /[.{=]/,
      },
    },
    tag: {
      pattern: /\.?[-\w\\]+\.?/,
      inside: {
        punctuation: /\./,
      },
    },
    punctuation: /[{}[\];(),.:|]/,
    operator: /[<>]=?|[!=]=?=?|--?|\+\+?|&&?|\|\|?|[?*/~^%]/,
  };

  Prism.languages.tsconfig = Prism.languages.typoscript;
})(Prism);