08-27-周三_17-09-29

node_modules/prismjs/plugins/file-highlight/prism-file-highlight.js

@@ -0,0 +1,89 @@
+(function () {
+	if (typeof self === 'undefined' || !self.Prism || !self.document || !document.querySelector) {
+		return;
+	}
+
+	/**
+	 * @param {Element} [container=document]
+	 */
+	self.Prism.fileHighlight = function(container) {
+		container = container || document;
+
+		var Extensions = {
+			'js': 'javascript',
+			'py': 'python',
+			'rb': 'ruby',
+			'ps1': 'powershell',
+			'psm1': 'powershell',
+			'sh': 'bash',
+			'bat': 'batch',
+			'h': 'c',
+			'tex': 'latex'
+		};
+
+		Array.prototype.slice.call(container.querySelectorAll('pre[data-src]')).forEach(function (pre) {
+			// ignore if already loaded
+			if (pre.hasAttribute('data-src-loaded')) {
+				return;
+			}
+
+			// load current
+			var src = pre.getAttribute('data-src');
+
+			var language, parent = pre;
+			var lang = /\blang(?:uage)?-([\w-]+)\b/i;
+			while (parent && !lang.test(parent.className)) {
+				parent = parent.parentNode;
+			}
+
+			if (parent) {
+				language = (pre.className.match(lang) || [, ''])[1];
+			}
+
+			if (!language) {
+				var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
+				language = Extensions[extension] || extension;
+			}
+
+			var code = document.createElement('code');
+			code.className = 'language-' + language;
+
+			pre.textContent = '';
+
+			code.textContent = 'Loading…';
+
+			pre.appendChild(code);
+
+			var xhr = new XMLHttpRequest();
+
+			xhr.open('GET', src, true);
+
+			xhr.onreadystatechange = function () {
+				if (xhr.readyState == 4) {
+
+					if (xhr.status < 400 && xhr.responseText) {
+						code.textContent = xhr.responseText;
+
+						Prism.highlightElement(code);
+						// mark as loaded
+						pre.setAttribute('data-src-loaded', '');
+					}
+					else if (xhr.status >= 400) {
+						code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
+					}
+					else {
+						code.textContent = '✖ Error: File does not exist or is empty';
+					}
+				}
+			};
+
+			xhr.send(null);
+		});
+	};
+
+	document.addEventListener('DOMContentLoaded', function () {
+		// execute inside handler, for dropping Event as argument
+		self.Prism.fileHighlight();
+	});
+
+})();