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67 lines
1.4 KiB
JavaScript
67 lines
1.4 KiB
JavaScript
(function(){
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if (!self.Prism) {
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return;
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}
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var url = /\b([a-z]{3,7}:\/\/|tel:)[\w\-+%~/.:#=?&]+/,
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email = /\b\S+@[\w.]+[a-z]{2}/,
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linkMd = /\[([^\]]+)]\(([^)]+)\)/,
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// Tokens that may contain URLs and emails
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candidates = ['comment', 'url', 'attr-value', 'string'];
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for (var language in Prism.languages) {
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var tokens = Prism.languages[language];
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Prism.languages.DFS(tokens, function (key, def, type) {
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if (candidates.indexOf(type) > -1 && Prism.util.type(def) !== 'Array') {
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if (!def.pattern) {
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def = this[key] = {
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pattern: def
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};
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}
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def.inside = def.inside || {};
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if (type == 'comment') {
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def.inside['md-link'] = linkMd;
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}
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if (type == 'attr-value') {
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Prism.languages.insertBefore('inside', 'punctuation', { 'url-link': url }, def);
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}
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else {
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def.inside['url-link'] = url;
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}
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def.inside['email-link'] = email;
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}
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});
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tokens['url-link'] = url;
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tokens['email-link'] = email;
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}
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Prism.hooks.add('wrap', function(env) {
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if (/-link$/.test(env.type)) {
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env.tag = 'a';
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var href = env.content;
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if (env.type == 'email-link' && href.indexOf('mailto:') != 0) {
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href = 'mailto:' + href;
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}
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else if (env.type == 'md-link') {
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// Markdown
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var match = env.content.match(linkMd);
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href = match[2];
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env.content = match[1];
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}
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env.attributes.href = href;
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}
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});
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})();
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