File: /home/parhudrw/www/wp-content/themes/around/assets/vendor/prismjs/components/prism-markdown.js
(function (Prism) {
// Allow only one line break
var inner = /(?:\\.|[^\\\n\r]|(?:\n|\r\n?)(?!\n|\r\n?))/.source;
/**
* This function is intended for the creation of the bold or italic pattern.
*
* This also adds a lookbehind group to the given pattern to ensure that the pattern is not backslash-escaped.
*
* _Note:_ Keep in mind that this adds a capturing group.
*
* @param {string} pattern
* @param {boolean} starAlternative Whether to also add an alternative where all `_`s are replaced with `*`s.
* @returns {RegExp}
*/
function createInline(pattern, starAlternative) {
pattern = pattern.replace(/<inner>/g, function () { return inner; });
if (starAlternative) {
pattern = pattern + '|' + pattern.replace(/_/g, '\\*');
}
return RegExp(/((?:^|[^\\])(?:\\{2})*)/.source + '(?:' + pattern + ')');
}
var tableCell = /(?:\\.|``.+?``|`[^`\r\n]+`|[^\\|\r\n`])+/.source;
var tableRow = /\|?__(?:\|__)+\|?(?:(?:\n|\r\n?)|$)/.source.replace(/__/g, function () { return tableCell; });
var tableLine = /\|?[ \t]*:?-{3,}:?[ \t]*(?:\|[ \t]*:?-{3,}:?[ \t]*)+\|?(?:\n|\r\n?)/.source;
Prism.languages.markdown = Prism.languages.extend('markup', {});
Prism.languages.insertBefore('markdown', 'prolog', {
'blockquote': {
// > ...
pattern: /^>(?:[\t ]*>)*/m,
alias: 'punctuation'
},
'table': {
pattern: RegExp('^' + tableRow + tableLine + '(?:' + tableRow + ')*', 'm'),
inside: {
'table-data-rows': {
pattern: RegExp('^(' + tableRow + tableLine + ')(?:' + tableRow + ')*$'),
lookbehind: true,
inside: {
'table-data': {
pattern: RegExp(tableCell),
inside: Prism.languages.markdown
},
'punctuation': /\|/
}
},
'table-line': {
pattern: RegExp('^(' + tableRow + ')' + tableLine + '$'),
lookbehind: true,
inside: {
'punctuation': /\||:?-{3,}:?/
}
},
'table-header-row': {
pattern: RegExp('^' + tableRow + '$'),
inside: {
'table-header': {
pattern: RegExp(tableCell),
alias: 'important',
inside: Prism.languages.markdown
},
'punctuation': /\|/
}
}
}
},
'code': [
{
// Prefixed by 4 spaces or 1 tab and preceded by an empty line
pattern: /((?:^|\n)[ \t]*\n|(?:^|\r\n?)[ \t]*\r\n?)(?: {4}|\t).+(?:(?:\n|\r\n?)(?: {4}|\t).+)*/,
lookbehind: true,
alias: 'keyword'
},
{
// `code`
// ``code``
pattern: /``.+?``|`[^`\r\n]+`/,
alias: 'keyword'
},
{
// ```optional language
// code block
// ```
pattern: /^```[\s\S]*?^```$/m,
greedy: true,
inside: {
'code-block': {
pattern: /^(```.*(?:\n|\r\n?))[\s\S]+?(?=(?:\n|\r\n?)^```$)/m,
lookbehind: true
},
'code-language': {
pattern: /^(```).+/,
lookbehind: true
},
'punctuation': /```/
}
}
],
'title': [
{
// title 1
// =======
// title 2
// -------
pattern: /\S.*(?:\n|\r\n?)(?:==+|--+)(?=[ \t]*$)/m,
alias: 'important',
inside: {
punctuation: /==+$|--+$/
}
},
{
// # title 1
// ###### title 6
pattern: /(^\s*)#+.+/m,
lookbehind: true,
alias: 'important',
inside: {
punctuation: /^#+|#+$/
}
}
],
'hr': {
// ***
// ---
// * * *
// -----------
pattern: /(^\s*)([*-])(?:[\t ]*\2){2,}(?=\s*$)/m,
lookbehind: true,
alias: 'punctuation'
},
'list': {
// * item
// + item
// - item
// 1. item
pattern: /(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,
lookbehind: true,
alias: 'punctuation'
},
'url-reference': {
// [id]: http://example.com "Optional title"
// [id]: http://example.com 'Optional title'
// [id]: http://example.com (Optional title)
// [id]: <http://example.com> "Optional title"
pattern: /!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,
inside: {
'variable': {
pattern: /^(!?\[)[^\]]+/,
lookbehind: true
},
'string': /(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,
'punctuation': /^[\[\]!:]|[<>]/
},
alias: 'url'
},
'bold': {
// **strong**
// __strong__
// allow one nested instance of italic text using the same delimiter
pattern: createInline(/__(?:(?!_)<inner>|_(?:(?!_)<inner>)+_)+__/.source, true),
lookbehind: true,
greedy: true,
inside: {
'content': {
pattern: /(^..)[\s\S]+(?=..$)/,
lookbehind: true,
inside: {} // see below
},
'punctuation': /\*\*|__/
}
},
'italic': {
// *em*
// _em_
// allow one nested instance of bold text using the same delimiter
pattern: createInline(/_(?:(?!_)<inner>|__(?:(?!_)<inner>)+__)+_/.source, true),
lookbehind: true,
greedy: true,
inside: {
'content': {
pattern: /(^.)[\s\S]+(?=.$)/,
lookbehind: true,
inside: {} // see below
},
'punctuation': /[*_]/
}
},
'strike': {
// ~~strike through~~
// ~strike~
pattern: createInline(/(~~?)(?:(?!~)<inner>)+?\2/.source, false),
lookbehind: true,
greedy: true,
inside: {
'content': {
pattern: /(^~~?)[\s\S]+(?=\1$)/,
lookbehind: true,
inside: {} // see below
},
'punctuation': /~~?/
}
},
'url': {
// [example](http://example.com "Optional title")
// [example][id]
// [example] [id]
pattern: createInline(/!?\[(?:(?!\])<inner>)+\](?:\([^\s)]+(?:[\t ]+"(?:\\.|[^"\\])*")?\)| ?\[(?:(?!\])<inner>)+\])/.source, false),
lookbehind: true,
greedy: true,
inside: {
'variable': {
pattern: /(\[)[^\]]+(?=\]$)/,
lookbehind: true
},
'content': {
pattern: /(^!?\[)[^\]]+(?=\])/,
lookbehind: true,
inside: {} // see below
},
'string': {
pattern: /"(?:\\.|[^"\\])*"(?=\)$)/
}
}
}
});
['url', 'bold', 'italic', 'strike'].forEach(function (token) {
['url', 'bold', 'italic', 'strike'].forEach(function (inside) {
if (token !== inside) {
Prism.languages.markdown[token].inside.content.inside[inside] = Prism.languages.markdown[inside];
}
});
});
Prism.hooks.add('after-tokenize', function (env) {
if (env.language !== 'markdown' && env.language !== 'md') {
return;
}
function walkTokens(tokens) {
if (!tokens || typeof tokens === 'string') {
return;
}
for (var i = 0, l = tokens.length; i < l; i++) {
var token = tokens[i];
if (token.type !== 'code') {
walkTokens(token.content);
continue;
}
/*
* Add the correct `language-xxxx` class to this code block. Keep in mind that the `code-language` token
* is optional. But the grammar is defined so that there is only one case we have to handle:
*
* token.content = [
* <span class="punctuation">```</span>,
* <span class="code-language">xxxx</span>,
* '\n', // exactly one new lines (\r or \n or \r\n)
* <span class="code-block">...</span>,
* '\n', // exactly one new lines again
* <span class="punctuation">```</span>
* ];
*/
var codeLang = token.content[1];
var codeBlock = token.content[3];
if (codeLang && codeBlock &&
codeLang.type === 'code-language' && codeBlock.type === 'code-block' &&
typeof codeLang.content === 'string') {
// this might be a language that Prism does not support
// do some replacements to support C++, C#, and F#
var lang = codeLang.content.replace(/\b#/g, 'sharp').replace(/\b\+\+/g, 'pp')
// only use the first word
lang = (/[a-z][\w-]*/i.exec(lang) || [''])[0].toLowerCase();
var alias = 'language-' + lang;
// add alias
if (!codeBlock.alias) {
codeBlock.alias = [alias];
} else if (typeof codeBlock.alias === 'string') {
codeBlock.alias = [codeBlock.alias, alias];
} else {
codeBlock.alias.push(alias);
}
}
}
}
walkTokens(env.tokens);
});
Prism.hooks.add('wrap', function (env) {
if (env.type !== 'code-block') {
return;
}
var codeLang = '';
for (var i = 0, l = env.classes.length; i < l; i++) {
var cls = env.classes[i];
var match = /language-(.+)/.exec(cls);
if (match) {
codeLang = match[1];
break;
}
}
var grammar = Prism.languages[codeLang];
if (!grammar) {
if (codeLang && codeLang !== 'none' && Prism.plugins.autoloader) {
var id = 'md-' + new Date().valueOf() + '-' + Math.floor(Math.random() * 1e16);
env.attributes['id'] = id;
Prism.plugins.autoloader.loadLanguages(codeLang, function () {
var ele = document.getElementById(id);
if (ele) {
ele.innerHTML = Prism.highlight(ele.textContent, Prism.languages[codeLang], codeLang);
}
});
}
} else {
// reverse Prism.util.encode
var code = env.content.replace(/</g, '<').replace(/&/g, '&');
env.content = Prism.highlight(code, grammar, codeLang);
}
});
Prism.languages.md = Prism.languages.markdown;
}(Prism));