Hash :
8ca3d65b
Author :
Date :
2019-03-06T13:53:33
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Prism.languages.markdown = Prism.languages.extend('markup', {});
Prism.languages.insertBefore('markdown', 'prolog', {
'blockquote': {
// > ...
pattern: /^>(?:[\t ]*>)*/m,
alias: 'punctuation'
},
'code': [
{
// Prefixed by 4 spaces or 1 tab
pattern: /^(?: {4}|\t).+/m,
alias: 'keyword'
},
{
// `code`
// ``code``
pattern: /``.+?``|`[^`\n]+`/,
alias: 'keyword'
},
{
// ```optional language
// code block
// ```
pattern: /^```[\s\S]*?^```$/m,
greedy: true,
inside: {
'code-block': {
pattern: /^(```.*(?:\r?\n|\r))[\s\S]+?(?=(?:\r?\n|\r)^```$)/m,
lookbehind: true
},
'code-language': {
pattern: /^(```).+/,
lookbehind: true
},
'punctuation': /```/
}
}
],
'title': [
{
// title 1
// =======
// title 2
// -------
pattern: /\S.*(?:\r?\n|\r)(?:==+|--+)/,
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 only one line break
pattern: /(^|[^\\])(\*\*|__)(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,
lookbehind: true,
greedy: true,
inside: {
'punctuation': /^\*\*|^__|\*\*$|__$/
}
},
'italic': {
// *em*
// _em_
// Allow only one line break
pattern: /(^|[^\\])([*_])(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,
lookbehind: true,
greedy: true,
inside: {
'punctuation': /^[*_]|[*_]$/
}
},
'strike': {
// ~~strike through~~
// ~strike~
// Allow only one line break
pattern: /(^|[^\\])(~~?)(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,
lookbehind: true,
greedy: true,
inside: {
'punctuation': /^~~?|~~?$/
}
},
'url': {
// [example](http://example.com "Optional title")
// [example] [id]
pattern: /!?\[[^\]]+\](?:\([^\s)]+(?:[\t ]+"(?:\\.|[^"\\])*")?\)| ?\[[^\]\n]*\])/,
inside: {
'variable': {
pattern: /(!?\[)[^\]]+(?=\]$)/,
lookbehind: true
},
'string': {
pattern: /"(?:\\.|[^"\\])*"(?=\)$)/
}
}
}
});
['bold', 'italic', 'strike'].forEach(function (token) {
['url', 'bold', 'italic', 'strike'].forEach(function (inside) {
if (token !== inside) {
Prism.languages.markdown[token].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;
}
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
var alias = 'language-' + codeLang.content.trim().split(/\s+/)[0].toLowerCase();
// 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) {
return;
}
// 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;