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

---
 .../prismjs/plugins/toolbar/prism-toolbar.js       | 137 +++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 node_modules/prismjs/plugins/toolbar/prism-toolbar.js

(limited to 'node_modules/prismjs/plugins/toolbar/prism-toolbar.js')

diff --git a/node_modules/prismjs/plugins/toolbar/prism-toolbar.js b/node_modules/prismjs/plugins/toolbar/prism-toolbar.js
new file mode 100644
index 00000000..93294514
--- /dev/null
+++ b/node_modules/prismjs/plugins/toolbar/prism-toolbar.js
@@ -0,0 +1,137 @@
+(function(){
+	if (typeof self === 'undefined' || !self.Prism || !self.document) {
+		return;
+	}
+
+	var callbacks = [];
+	var map = {};
+	var noop = function() {};
+
+	Prism.plugins.toolbar = {};
+
+	/**
+	 * Register a button callback with the toolbar.
+	 *
+	 * @param {string} key
+	 * @param {Object|Function} opts
+	 */
+	var registerButton = Prism.plugins.toolbar.registerButton = function (key, opts) {
+		var callback;
+
+		if (typeof opts === 'function') {
+			callback = opts;
+		} else {
+			callback = function (env) {
+				var element;
+
+				if (typeof opts.onClick === 'function') {
+					element = document.createElement('button');
+					element.type = 'button';
+					element.addEventListener('click', function () {
+						opts.onClick.call(this, env);
+					});
+				} else if (typeof opts.url === 'string') {
+					element = document.createElement('a');
+					element.href = opts.url;
+				} else {
+					element = document.createElement('span');
+				}
+
+				element.textContent = opts.text;
+
+				return element;
+			};
+		}
+
+		callbacks.push(map[key] = callback);
+	};
+
+	/**
+	 * Post-highlight Prism hook callback.
+	 *
+	 * @param env
+	 */
+	var hook = Prism.plugins.toolbar.hook = function (env) {
+		// Check if inline or actual code block (credit to line-numbers plugin)
+		var pre = env.element.parentNode;
+		if (!pre || !/pre/i.test(pre.nodeName)) {
+			return;
+		}
+
+		// Autoloader rehighlights, so only do this once.
+		if (pre.parentNode.classList.contains('code-toolbar')) {
+			return;
+		}
+
+		// Create wrapper for <pre> to prevent scrolling toolbar with content
+		var wrapper = document.createElement("div");
+		wrapper.classList.add("code-toolbar");
+		pre.parentNode.insertBefore(wrapper, pre);
+		wrapper.appendChild(pre);
+
+		// Setup the toolbar
+		var toolbar = document.createElement('div');
+		toolbar.classList.add('toolbar');
+
+		if (document.body.hasAttribute('data-toolbar-order')) {
+			callbacks = document.body.getAttribute('data-toolbar-order').split(',').map(function(key) {
+				return map[key] || noop;
+			});
+		}
+
+		callbacks.forEach(function(callback) {
+			var element = callback(env);
+
+			if (!element) {
+				return;
+			}
+
+			var item = document.createElement('div');
+			item.classList.add('toolbar-item');
+
+			item.appendChild(element);
+			toolbar.appendChild(item);
+		});
+
+		// Add our toolbar to the currently created wrapper of <pre> tag
+		wrapper.appendChild(toolbar);
+	};
+
+	registerButton('label', function(env) {
+		var pre = env.element.parentNode;
+		if (!pre || !/pre/i.test(pre.nodeName)) {
+			return;
+		}
+
+		if (!pre.hasAttribute('data-label')) {
+			return;
+		}
+
+		var element, template;
+		var text = pre.getAttribute('data-label');
+		try {
+			// Any normal text will blow up this selector.
+			template = document.querySelector('template#' + text);
+		} catch (e) {}
+
+		if (template) {
+			element = template.content;
+		} else {
+			if (pre.hasAttribute('data-url')) {
+				element = document.createElement('a');
+				element.href = pre.getAttribute('data-url');
+			} else {
+				element = document.createElement('span');
+			}
+
+			element.textContent = text;
+		}
+
+		return element;
+	});
+
+	/**
+	 * Register the toolbar with Prism.
+	 */
+	Prism.hooks.add('complete', hook);
+})();
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