forked from PrismJS/prism
/
prism-unescaped-markup.js
45 lines (34 loc) · 1.47 KB
/
prism-unescaped-markup.js
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(function () {
if (typeof self === 'undefined' || !self.Prism || !self.document) {
return;
}
Prism.plugins.UnescapedMarkup = true;
Prism.hooks.add('before-highlightall', function (env) {
env.selector += ', [class*="lang-"] script[type="text/plain"], [class*="language-"] script[type="text/plain"]' +
', script[type="text/plain"][class*="lang-"], script[type="text/plain"][class*="language-"]';
});
Prism.hooks.add('before-sanity-check', function (env) {
/** @type {HTMLElement} */
var element = env.element;
if ((element.matches || element.msMatchesSelector).call(element, 'script[type="text/plain"]')) {
var code = document.createElement('code');
var pre = document.createElement('pre');
pre.className = code.className = element.className;
if (element.dataset) {
Object.keys(element.dataset).forEach(function (key) {
if (Object.prototype.hasOwnProperty.call(element.dataset, key)) {
pre.dataset[key] = element.dataset[key];
}
});
}
code.textContent = env.code = env.code.replace(/<\/script(>|>)/gi, '</scri' + 'pt>');
pre.appendChild(code);
element.parentNode.replaceChild(pre, element);
env.element = code;
} else if (!env.code && (element.matches || element.msMatchesSelector).call(element, 'pre > code') &&
element.firstChild && element.firstChild.nodeName == '#comment') {
// <pre><code><!-- actual code --></code></pre>
element.textContent = env.code = element.firstChild.textContent;
}
});
}());