iTop/js/highlight/languages/twig.js

/*! `twig` grammar compiled for Highlight.js 11.9.0 */
  (function(){
    var hljsGrammar = (function () {
  'use strict';

  /*
  Language: Twig
  Requires: xml.js
  Author: Luke Holder <lukemh@gmail.com>
  Description: Twig is a templating language for PHP
  Website: https://twig.symfony.com
  Category: template
  */

  function twig(hljs) {
    const regex = hljs.regex;
    const FUNCTION_NAMES = [
      "absolute_url",
      "asset|0",
      "asset_version",
      "attribute",
      "block",
      "constant",
      "controller|0",
      "country_timezones",
      "csrf_token",
      "cycle",
      "date",
      "dump",
      "expression",
      "form|0",
      "form_end",
      "form_errors",
      "form_help",
      "form_label",
      "form_rest",
      "form_row",
      "form_start",
      "form_widget",
      "html_classes",
      "include",
      "is_granted",
      "logout_path",
      "logout_url",
      "max",
      "min",
      "parent",
      "path|0",
      "random",
      "range",
      "relative_path",
      "render",
      "render_esi",
      "source",
      "template_from_string",
      "url|0"
    ];

    const FILTERS = [
      "abs",
      "abbr_class",
      "abbr_method",
      "batch",
      "capitalize",
      "column",
      "convert_encoding",
      "country_name",
      "currency_name",
      "currency_symbol",
      "data_uri",
      "date",
      "date_modify",
      "default",
      "escape",
      "file_excerpt",
      "file_link",
      "file_relative",
      "filter",
      "first",
      "format",
      "format_args",
      "format_args_as_text",
      "format_currency",
      "format_date",
      "format_datetime",
      "format_file",
      "format_file_from_text",
      "format_number",
      "format_time",
      "html_to_markdown",
      "humanize",
      "inky_to_html",
      "inline_css",
      "join",
      "json_encode",
      "keys",
      "language_name",
      "last",
      "length",
      "locale_name",
      "lower",
      "map",
      "markdown",
      "markdown_to_html",
      "merge",
      "nl2br",
      "number_format",
      "raw",
      "reduce",
      "replace",
      "reverse",
      "round",
      "slice",
      "slug",
      "sort",
      "spaceless",
      "split",
      "striptags",
      "timezone_name",
      "title",
      "trans",
      "transchoice",
      "trim",
      "u|0",
      "upper",
      "url_encode",
      "yaml_dump",
      "yaml_encode"
    ];

    let TAG_NAMES = [
      "apply",
      "autoescape",
      "block",
      "cache",
      "deprecated",
      "do",
      "embed",
      "extends",
      "filter",
      "flush",
      "for",
      "form_theme",
      "from",
      "if",
      "import",
      "include",
      "macro",
      "sandbox",
      "set",
      "stopwatch",
      "trans",
      "trans_default_domain",
      "transchoice",
      "use",
      "verbatim",
      "with"
    ];

    TAG_NAMES = TAG_NAMES.concat(TAG_NAMES.map(t => `end${t}`));

    const STRING = {
      scope: 'string',
      variants: [
        {
          begin: /'/,
          end: /'/
        },
        {
          begin: /"/,
          end: /"/
        },
      ]
    };

    const NUMBER = {
      scope: "number",
      match: /\d+/
    };

    const PARAMS = {
      begin: /\(/,
      end: /\)/,
      excludeBegin: true,
      excludeEnd: true,
      contains: [
        STRING,
        NUMBER
      ]
    };


    const FUNCTIONS = {
      beginKeywords: FUNCTION_NAMES.join(" "),
      keywords: { name: FUNCTION_NAMES },
      relevance: 0,
      contains: [ PARAMS ]
    };

    const FILTER = {
      match: /\|(?=[A-Za-z_]+:?)/,
      beginScope: "punctuation",
      relevance: 0,
      contains: [
        {
          match: /[A-Za-z_]+:?/,
          keywords: FILTERS
        },
      ]
    };

    const tagNamed = (tagnames, { relevance }) => {
      return {
        beginScope: {
          1: 'template-tag',
          3: 'name'
        },
        relevance: relevance || 2,
        endScope: 'template-tag',
        begin: [
          /\{%/,
          /\s*/,
          regex.either(...tagnames)
        ],
        end: /%\}/,
        keywords: "in",
        contains: [
          FILTER,
          FUNCTIONS,
          STRING,
          NUMBER
        ]
      };
    };

    const CUSTOM_TAG_RE = /[a-z_]+/;
    const TAG = tagNamed(TAG_NAMES, { relevance: 2 });
    const CUSTOM_TAG = tagNamed([ CUSTOM_TAG_RE ], { relevance: 1 });

    return {
      name: 'Twig',
      aliases: [ 'craftcms' ],
      case_insensitive: true,
      subLanguage: 'xml',
      contains: [
        hljs.COMMENT(/\{#/, /#\}/),
        TAG,
        CUSTOM_TAG,
        {
          className: 'template-variable',
          begin: /\{\{/,
          end: /\}\}/,
          contains: [
            'self',
            FILTER,
            FUNCTIONS,
            STRING,
            NUMBER
          ]
        }
      ]
    };
  }

  return twig;

})();

    hljs.registerLanguage('twig', hljsGrammar);
  })();