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+ blocks on a page\n *\n * @type {Function & {called?: boolean}}\n */\n // TODO: remove v12, deprecated\n const initHighlighting = () => {\n if (initHighlighting.called) return;\n initHighlighting.called = true;\n\n deprecated(\"10.6.0\", \"initHighlighting() is deprecated. Use highlightAll() instead.\");\n\n const blocks = document.querySelectorAll('pre code');\n blocks.forEach(highlightElement);\n };\n\n // Higlights all when DOMContentLoaded fires\n // TODO: remove v12, deprecated\n function initHighlightingOnLoad() {\n deprecated(\"10.6.0\", \"initHighlightingOnLoad() is deprecated. Use highlightAll() instead.\");\n wantsHighlight = true;\n }\n\n let wantsHighlight = false;\n\n /**\n * auto-highlights all pre>code elements on the page\n */\n function highlightAll() {\n // if we are called too early in the loading process\n if (document.readyState === \"loading\") {\n wantsHighlight = true;\n return;\n }\n\n const blocks = document.querySelectorAll('pre code');\n blocks.forEach(highlightElement);\n }\n\n function boot() {\n // if a highlight was requested before DOM was loaded, do now\n if (wantsHighlight) highlightAll();\n }\n\n // make sure we are in the browser environment\n if (typeof window !== 'undefined' && window.addEventListener) {\n window.addEventListener('DOMContentLoaded', boot, false);\n }\n\n /**\n * Register a language grammar module\n *\n * @param {string} languageName\n * @param {LanguageFn} languageDefinition\n */\n function registerLanguage(languageName, languageDefinition) {\n let lang = null;\n try {\n lang = languageDefinition(hljs);\n } catch (error$1) {\n error(\"Language definition for '{}' could not be registered.\".replace(\"{}\", languageName));\n // hard or soft error\n if (!SAFE_MODE) { throw error$1; } else { error(error$1); }\n // languages that have serious errors are replaced with essentially a\n // \"plaintext\" stand-in so that the code blocks will still get normal\n // css classes applied to them - and one bad language won't break the\n // entire highlighter\n lang = PLAINTEXT_LANGUAGE;\n }\n // give it a temporary name if it doesn't have one in the meta-data\n if (!lang.name) lang.name = languageName;\n languages[languageName] = lang;\n lang.rawDefinition = languageDefinition.bind(null, hljs);\n\n if (lang.aliases) {\n registerAliases(lang.aliases, { languageName });\n }\n }\n\n /**\n * Remove a language grammar module\n *\n * @param {string} languageName\n */\n function unregisterLanguage(languageName) {\n delete languages[languageName];\n for (const alias of Object.keys(aliases)) {\n if (aliases[alias] === languageName) {\n delete aliases[alias];\n }\n }\n }\n\n /**\n * @returns {string[]} List of language internal names\n */\n function listLanguages() {\n return Object.keys(languages);\n }\n\n /**\n intended usage: When one language truly requires another\n\n Unlike `getLanguage`, this will throw when the requested language\n is not available.\n\n @param {string} name - name of the language to fetch/require\n @returns {Language | never}\n */\n function requireLanguage(name) {\n deprecated(\"10.4.0\", \"requireLanguage will be removed entirely in v11.\");\n deprecated(\"10.4.0\", \"Please see https://github.com/highlightjs/highlight.js/pull/2844\");\n\n const lang = getLanguage(name);\n if (lang) { return lang; }\n\n const err = new Error('The \\'{}\\' language is required, but not loaded.'.replace('{}', name));\n throw err;\n }\n\n /**\n * @param {string} name - name of the language to retrieve\n * @returns {Language | undefined}\n */\n function getLanguage(name) {\n name = (name || '').toLowerCase();\n return languages[name] || languages[aliases[name]];\n }\n\n /**\n *\n * @param {string|string[]} aliasList - single alias or list of aliases\n * @param {{languageName: string}} opts\n */\n function registerAliases(aliasList, { languageName }) {\n if (typeof aliasList === 'string') {\n aliasList = [aliasList];\n }\n aliasList.forEach(alias => { aliases[alias.toLowerCase()] = languageName; });\n }\n\n /**\n * Determines if a given language has auto-detection enabled\n * @param {string} name - name of the language\n */\n function autoDetection(name) {\n const lang = getLanguage(name);\n return lang && !lang.disableAutodetect;\n }\n\n /**\n * Upgrades the old highlightBlock plugins to the new\n * highlightElement API\n * @param {HLJSPlugin} plugin\n */\n function upgradePluginAPI(plugin) {\n // TODO: remove with v12\n if (plugin[\"before:highlightBlock\"] && !plugin[\"before:highlightElement\"]) {\n plugin[\"before:highlightElement\"] = (data) => {\n plugin[\"before:highlightBlock\"](\n Object.assign({ block: data.el }, data)\n );\n };\n }\n if (plugin[\"after:highlightBlock\"] && !plugin[\"after:highlightElement\"]) {\n plugin[\"after:highlightElement\"] = (data) => {\n plugin[\"after:highlightBlock\"](\n Object.assign({ block: data.el }, data)\n );\n };\n }\n }\n\n /**\n * @param {HLJSPlugin} plugin\n */\n function addPlugin(plugin) {\n upgradePluginAPI(plugin);\n plugins.push(plugin);\n }\n\n /**\n *\n * @param {PluginEvent} event\n * @param {any} args\n */\n function fire(event, args) {\n const cb = event;\n plugins.forEach(function(plugin) {\n if (plugin[cb]) {\n plugin[cb](args);\n }\n });\n }\n\n /**\n Note: fixMarkup is deprecated and will be removed entirely in v11\n\n @param {string} arg\n @returns {string}\n */\n function deprecateFixMarkup(arg) {\n deprecated(\"10.2.0\", \"fixMarkup will be removed entirely in v11.0\");\n deprecated(\"10.2.0\", \"Please see https://github.com/highlightjs/highlight.js/issues/2534\");\n\n return fixMarkup(arg);\n }\n\n /**\n *\n * @param {HighlightedHTMLElement} el\n */\n function deprecateHighlightBlock(el) {\n deprecated(\"10.7.0\", \"highlightBlock will be removed entirely in v12.0\");\n deprecated(\"10.7.0\", \"Please use highlightElement now.\");\n\n return highlightElement(el);\n }\n\n /* Interface definition */\n Object.assign(hljs, {\n highlight,\n highlightAuto,\n highlightAll,\n fixMarkup: deprecateFixMarkup,\n highlightElement,\n // TODO: Remove with v12 API\n highlightBlock: deprecateHighlightBlock,\n configure,\n initHighlighting,\n initHighlightingOnLoad,\n registerLanguage,\n unregisterLanguage,\n listLanguages,\n getLanguage,\n registerAliases,\n requireLanguage,\n autoDetection,\n inherit: inherit$1,\n addPlugin,\n // plugins for frameworks\n vuePlugin: BuildVuePlugin(hljs).VuePlugin\n });\n\n hljs.debugMode = function() { SAFE_MODE = false; };\n hljs.safeMode = function() { SAFE_MODE = true; };\n hljs.versionString = version;\n\n for (const key in MODES) {\n // @ts-ignore\n if (typeof MODES[key] === \"object\") {\n // @ts-ignore\n deepFreezeEs6(MODES[key]);\n }\n }\n\n // merge all the modes/regexs into our main object\n Object.assign(hljs, MODES);\n\n // built-in plugins, likely to be moved out of core in the future\n hljs.addPlugin(brPlugin); // slated to be removed in v11\n hljs.addPlugin(mergeHTMLPlugin);\n hljs.addPlugin(tabReplacePlugin);\n return hljs;\n};\n\n// export an \"instance\" of the highlighter\nvar highlight = HLJS({});\n\nmodule.exports = highlight;\n","/**\n * @param {string} value\n * @returns {RegExp}\n * */\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction source(re) {\n if (!re) return null;\n if (typeof re === \"string\") return re;\n\n return re.source;\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction lookahead(re) {\n return concat('(?=', re, ')');\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction optional(re) {\n return concat('(', re, ')?');\n}\n\n/**\n * @param {...(RegExp | string) } args\n * @returns {string}\n */\nfunction concat(...args) {\n const joined = args.map((x) => source(x)).join(\"\");\n return joined;\n}\n\n/**\n * Any of the passed expresssions may match\n *\n * Creates a huge this | this | that | that match\n * @param {(RegExp | string)[] } args\n * @returns {string}\n */\nfunction either(...args) {\n const joined = '(' + args.map((x) => source(x)).join(\"|\") + \")\";\n return joined;\n}\n\n/*\nLanguage: HTML, XML\nWebsite: https://www.w3.org/XML/\nCategory: common\nAudit: 2020\n*/\n\n/** @type LanguageFn */\nfunction xml(hljs) {\n // Element names can contain letters, digits, hyphens, underscores, and periods\n const TAG_NAME_RE = concat(/[A-Z_]/, optional(/[A-Z0-9_.-]*:/), /[A-Z0-9_.-]*/);\n const XML_IDENT_RE = /[A-Za-z0-9._:-]+/;\n const XML_ENTITIES = {\n className: 'symbol',\n begin: /&[a-z]+;|&#[0-9]+;|&#x[a-f0-9]+;/\n };\n const XML_META_KEYWORDS = {\n begin: /\\s/,\n contains: [\n {\n className: 'meta-keyword',\n begin: /#?[a-z_][a-z1-9_-]+/,\n illegal: /\\n/\n }\n ]\n };\n const XML_META_PAR_KEYWORDS = hljs.inherit(XML_META_KEYWORDS, {\n begin: /\\(/,\n end: /\\)/\n });\n const APOS_META_STRING_MODE = hljs.inherit(hljs.APOS_STRING_MODE, {\n className: 'meta-string'\n });\n const QUOTE_META_STRING_MODE = hljs.inherit(hljs.QUOTE_STRING_MODE, {\n className: 'meta-string'\n });\n const TAG_INTERNALS = {\n endsWithParent: true,\n illegal: /`]+/\n }\n ]\n }\n ]\n }\n ]\n };\n return {\n name: 'HTML, XML',\n aliases: [\n 'html',\n 'xhtml',\n 'rss',\n 'atom',\n 'xjb',\n 'xsd',\n 'xsl',\n 'plist',\n 'wsf',\n 'svg'\n ],\n case_insensitive: true,\n contains: [\n {\n className: 'meta',\n begin: //,\n relevance: 10,\n contains: [\n XML_META_KEYWORDS,\n QUOTE_META_STRING_MODE,\n APOS_META_STRING_MODE,\n XML_META_PAR_KEYWORDS,\n {\n begin: /\\[/,\n end: /\\]/,\n contains: [\n {\n className: 'meta',\n begin: //,\n contains: [\n XML_META_KEYWORDS,\n XML_META_PAR_KEYWORDS,\n QUOTE_META_STRING_MODE,\n APOS_META_STRING_MODE\n ]\n }\n ]\n }\n ]\n },\n hljs.COMMENT(\n //,\n {\n relevance: 10\n }\n ),\n {\n begin: //,\n relevance: 10\n },\n XML_ENTITIES,\n {\n className: 'meta',\n begin: /<\\?xml/,\n end: /\\?>/,\n relevance: 10\n },\n {\n className: 'tag',\n /*\n The lookahead pattern (?=...) ensures that 'begin' only matches\n ')/,\n end: />/,\n keywords: {\n name: 'style'\n },\n contains: [ TAG_INTERNALS ],\n starts: {\n end: /<\\/style>/,\n returnEnd: true,\n subLanguage: [\n 'css',\n 'xml'\n ]\n }\n },\n {\n className: 'tag',\n // See the comment in the