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57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
10 years ago
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(function(){
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if (!self.Prism || !self.document || !document.querySelector) {
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return;
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}
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var Extensions = {
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'js': 'javascript',
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'html': 'markup',
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'svg': 'markup',
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'xml': 'markup',
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'py': 'python',
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'rb': 'ruby',
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'ps1': 'powershell',
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'psm1': 'powershell'
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};
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Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach(function(pre) {
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var src = pre.getAttribute('data-src');
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var extension = (src.match(/\.(\w+)$/) || [,''])[1];
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var language = Extensions[extension] || extension;
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var code = document.createElement('code');
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code.className = 'language-' + language;
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pre.textContent = '';
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code.textContent = 'Loading…';
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pre.appendChild(code);
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var xhr = new XMLHttpRequest();
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xhr.open('GET', src, true);
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xhr.onreadystatechange = function() {
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if (xhr.readyState == 4) {
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if (xhr.status < 400 && xhr.responseText) {
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code.textContent = xhr.responseText;
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Prism.highlightElement(code);
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}
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else if (xhr.status >= 400) {
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code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
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}
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else {
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code.textContent = '✖ Error: File does not exist or is empty';
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}
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}
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};
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xhr.send(null);
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});
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})();
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