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62 lines
1.8 KiB
62 lines
1.8 KiB
(function () { |
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if (typeof Prism === 'undefined' || typeof document === 'undefined') { |
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return; |
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} |
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// https://developer.mozilla.org/en-US/docs/Web/API/Element/matches#Polyfill |
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if (!Element.prototype.matches) { |
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Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector; |
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} |
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Prism.plugins.UnescapedMarkup = true; |
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Prism.hooks.add('before-highlightall', function (env) { |
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env.selector += ', [class*="lang-"] script[type="text/plain"]' |
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+ ', [class*="language-"] script[type="text/plain"]' |
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+ ', script[type="text/plain"][class*="lang-"]' |
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+ ', script[type="text/plain"][class*="language-"]'; |
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}); |
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Prism.hooks.add('before-sanity-check', function (env) { |
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/** @type {HTMLElement} */ |
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var element = env.element; |
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if (element.matches('script[type="text/plain"]')) { |
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// found a <script type="text/plain" ...> element |
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// we convert this element to a regular <pre><code> code block |
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var code = document.createElement('code'); |
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var pre = document.createElement('pre'); |
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// copy class name |
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pre.className = code.className = element.className; |
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// copy all "data-" attributes |
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var dataset = element.dataset; |
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Object.keys(dataset || {}).forEach(function (key) { |
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if (Object.prototype.hasOwnProperty.call(dataset, key)) { |
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pre.dataset[key] = dataset[key]; |
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} |
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}); |
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code.textContent = env.code = env.code.replace(/<\/script(?:>|>)/gi, '</scri' + 'pt>'); |
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// change DOM |
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pre.appendChild(code); |
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element.parentNode.replaceChild(pre, element); |
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env.element = code; |
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return; |
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} |
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if (!env.code) { |
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// no code |
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var childNodes = element.childNodes; |
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if (childNodes.length === 1 && childNodes[0].nodeName == '#comment') { |
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// the only child is a comment -> use the comment's text |
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element.textContent = env.code = childNodes[0].textContent; |
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} |
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} |
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}); |
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}());
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