From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 .../plugins/line-numbers/prism-line-numbers.css    |  41 ++++++
 .../plugins/line-numbers/prism-line-numbers.js     | 159 +++++++++++++++++++++
 .../plugins/line-numbers/prism-line-numbers.min.js |   1 +
 3 files changed, 201 insertions(+)
 create mode 100644 node_modules/prismjs/plugins/line-numbers/prism-line-numbers.css
 create mode 100644 node_modules/prismjs/plugins/line-numbers/prism-line-numbers.js
 create mode 100644 node_modules/prismjs/plugins/line-numbers/prism-line-numbers.min.js

(limited to 'node_modules/prismjs/plugins/line-numbers')

diff --git a/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.css b/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.css
new file mode 100644
index 00000000..08b29ed6
--- /dev/null
+++ b/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.css
@@ -0,0 +1,41 @@
+pre[class*="language-"].line-numbers {
+	position: relative;
+	padding-left: 3.8em;
+	counter-reset: linenumber;
+}
+
+pre[class*="language-"].line-numbers > code {
+	position: relative;
+	white-space: inherit;
+}
+
+.line-numbers .line-numbers-rows {
+	position: absolute;
+	pointer-events: none;
+	top: 0;
+	font-size: 100%;
+	left: -3.8em;
+	width: 3em; /* works for line-numbers below 1000 lines */
+	letter-spacing: -1px;
+	border-right: 1px solid #999;
+
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+
+}
+
+	.line-numbers-rows > span {
+		pointer-events: none;
+		display: block;
+		counter-increment: linenumber;
+	}
+
+		.line-numbers-rows > span:before {
+			content: counter(linenumber);
+			color: #999;
+			display: block;
+			padding-right: 0.8em;
+			text-align: right;
+		}
diff --git a/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.js b/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.js
new file mode 100644
index 00000000..e9e684fe
--- /dev/null
+++ b/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.js
@@ -0,0 +1,159 @@
+(function () {
+
+	if (typeof self === 'undefined' || !self.Prism || !self.document) {
+		return;
+	}
+
+	/**
+	 * Plugin name which is used as a class name for <pre> which is activating the plugin
+	 * @type {String}
+	 */
+	var PLUGIN_NAME = 'line-numbers';
+	
+	/**
+	 * Regular expression used for determining line breaks
+	 * @type {RegExp}
+	 */
+	var NEW_LINE_EXP = /\n(?!$)/g;
+
+	/**
+	 * Resizes line numbers spans according to height of line of code
+	 * @param {Element} element <pre> element
+	 */
+	var _resizeElement = function (element) {
+		var codeStyles = getStyles(element);
+		var whiteSpace = codeStyles['white-space'];
+
+		if (whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line') {
+			var codeElement = element.querySelector('code');
+			var lineNumbersWrapper = element.querySelector('.line-numbers-rows');
+			var lineNumberSizer = element.querySelector('.line-numbers-sizer');
+			var codeLines = codeElement.textContent.split(NEW_LINE_EXP);
+
+			if (!lineNumberSizer) {
+				lineNumberSizer = document.createElement('span');
+				lineNumberSizer.className = 'line-numbers-sizer';
+
+				codeElement.appendChild(lineNumberSizer);
+			}
+
+			lineNumberSizer.style.display = 'block';
+
+			codeLines.forEach(function (line, lineNumber) {
+				lineNumberSizer.textContent = line || '\n';
+				var lineSize = lineNumberSizer.getBoundingClientRect().height;
+				lineNumbersWrapper.children[lineNumber].style.height = lineSize + 'px';
+			});
+
+			lineNumberSizer.textContent = '';
+			lineNumberSizer.style.display = 'none';
+		}
+	};
+
+	/**
+	 * Returns style declarations for the element
+	 * @param {Element} element
+	 */
+	var getStyles = function (element) {
+		if (!element) {
+			return null;
+		}
+
+		return window.getComputedStyle ? getComputedStyle(element) : (element.currentStyle || null);
+	};
+
+	window.addEventListener('resize', function () {
+		Array.prototype.forEach.call(document.querySelectorAll('pre.' + PLUGIN_NAME), _resizeElement);
+	});
+
+	Prism.hooks.add('complete', function (env) {
+		if (!env.code) {
+			return;
+		}
+
+		// works only for <code> wrapped inside <pre> (not inline)
+		var pre = env.element.parentNode;
+		var clsReg = /\s*\bline-numbers\b\s*/;
+		if (
+			!pre || !/pre/i.test(pre.nodeName) ||
+			// Abort only if nor the <pre> nor the <code> have the class
+			(!clsReg.test(pre.className) && !clsReg.test(env.element.className))
+		) {
+			return;
+		}
+
+		if (env.element.querySelector('.line-numbers-rows')) {
+			// Abort if line numbers already exists
+			return;
+		}
+
+		if (clsReg.test(env.element.className)) {
+			// Remove the class 'line-numbers' from the <code>
+			env.element.className = env.element.className.replace(clsReg, ' ');
+		}
+		if (!clsReg.test(pre.className)) {
+			// Add the class 'line-numbers' to the <pre>
+			pre.className += ' line-numbers';
+		}
+
+		var match = env.code.match(NEW_LINE_EXP);
+		var linesNum = match ? match.length + 1 : 1;
+		var lineNumbersWrapper;
+
+		var lines = new Array(linesNum + 1);
+		lines = lines.join('<span></span>');
+
+		lineNumbersWrapper = document.createElement('span');
+		lineNumbersWrapper.setAttribute('aria-hidden', 'true');
+		lineNumbersWrapper.className = 'line-numbers-rows';
+		lineNumbersWrapper.innerHTML = lines;
+
+		if (pre.hasAttribute('data-start')) {
+			pre.style.counterReset = 'linenumber ' + (parseInt(pre.getAttribute('data-start'), 10) - 1);
+		}
+
+		env.element.appendChild(lineNumbersWrapper);
+
+		_resizeElement(pre);
+
+		Prism.hooks.run('line-numbers', env);
+	});
+
+	Prism.hooks.add('line-numbers', function (env) {
+		env.plugins = env.plugins || {};
+		env.plugins.lineNumbers = true;
+	});
+	
+	/**
+	 * Global exports
+	 */
+	Prism.plugins.lineNumbers = {
+		/**
+		 * Get node for provided line number
+		 * @param {Element} element pre element
+		 * @param {Number} number line number
+		 * @return {Element|undefined}
+		 */
+		getLine: function (element, number) {
+			if (element.tagName !== 'PRE' || !element.classList.contains(PLUGIN_NAME)) {
+				return;
+			}
+
+			var lineNumberRows = element.querySelector('.line-numbers-rows');
+			var lineNumberStart = parseInt(element.getAttribute('data-start'), 10) || 1;
+			var lineNumberEnd = lineNumberStart + (lineNumberRows.children.length - 1);
+
+			if (number < lineNumberStart) {
+				number = lineNumberStart;
+			}
+			if (number > lineNumberEnd) {
+				number = lineNumberEnd;
+			}
+
+			var lineIndex = number - lineNumberStart;
+
+			return lineNumberRows.children[lineIndex];
+		}
+	};
+
+}());
\ No newline at end of file
diff --git a/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.min.js b/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.min.js
new file mode 100644
index 00000000..5291216f
--- /dev/null
+++ b/node_modules/prismjs/plugins/line-numbers/prism-line-numbers.min.js
@@ -0,0 +1 @@
+!function(){if("undefined"!=typeof self&&self.Prism&&self.document){var e="line-numbers",t=/\n(?!$)/g,n=function(e){var n=r(e),s=n["white-space"];if("pre-wrap"===s||"pre-line"===s){var l=e.querySelector("code"),i=e.querySelector(".line-numbers-rows"),a=e.querySelector(".line-numbers-sizer"),o=l.textContent.split(t);a||(a=document.createElement("span"),a.className="line-numbers-sizer",l.appendChild(a)),a.style.display="block",o.forEach(function(e,t){a.textContent=e||"\n";var n=a.getBoundingClientRect().height;i.children[t].style.height=n+"px"}),a.textContent="",a.style.display="none"}},r=function(e){return e?window.getComputedStyle?getComputedStyle(e):e.currentStyle||null:null};window.addEventListener("resize",function(){Array.prototype.forEach.call(document.querySelectorAll("pre."+e),n)}),Prism.hooks.add("complete",function(e){if(e.code){var r=e.element.parentNode,s=/\s*\bline-numbers\b\s*/;if(r&&/pre/i.test(r.nodeName)&&(s.test(r.className)||s.test(e.element.className))&&!e.element.querySelector(".line-numbers-rows")){s.test(e.element.className)&&(e.element.className=e.element.className.replace(s," ")),s.test(r.className)||(r.className+=" line-numbers");var l,i=e.code.match(t),a=i?i.length+1:1,o=new Array(a+1);o=o.join("<span></span>"),l=document.createElement("span"),l.setAttribute("aria-hidden","true"),l.className="line-numbers-rows",l.innerHTML=o,r.hasAttribute("data-start")&&(r.style.counterReset="linenumber "+(parseInt(r.getAttribute("data-start"),10)-1)),e.element.appendChild(l),n(r),Prism.hooks.run("line-numbers",e)}}}),Prism.hooks.add("line-numbers",function(e){e.plugins=e.plugins||{},e.plugins.lineNumbers=!0}),Prism.plugins.lineNumbers={getLine:function(t,n){if("PRE"===t.tagName&&t.classList.contains(e)){var r=t.querySelector(".line-numbers-rows"),s=parseInt(t.getAttribute("data-start"),10)||1,l=s+(r.children.length-1);s>n&&(n=s),n>l&&(n=l);var i=n-s;return r.children[i]}}}}}();
\ No newline at end of file
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