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rOACCT/node_modules/prismjs/plugins/toolbar/prism-toolbar.js
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prism-toolbar.js
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			(function () {

			if (typeof Prism === 'undefined' \|\| typeof document === 'undefined') {
			return;
			}

			var callbacks = [];
			var map = {};
			var noop = function () {};

			Prism.plugins.toolbar = {};

			/**
			* @typedef ButtonOptions
			* @property {string} text The text displayed.
			* @property {string} [url] The URL of the link which will be created.
			* @property {Function} [onClick] The event listener for the `click` event of the created button.
			* @property {string} [className] The class attribute to include with element.
			*/

			/**
			* Register a button callback with the toolbar.
			*
			* @param {string} key
			* @param {ButtonOptions\|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');
			}

			if (opts.className) {
			element.classList.add(opts.className);
			}

			element.textContent = opts.text;

			return element;
			};
			}

			if (key in map) {
			console.warn('There is a button with the key "' + key + '" registered already.');
			return;
			}

			callbacks.push(map[key] = callback);
			};

			/**
			* Returns the callback order of the given element.
			*
			* @param {HTMLElement} element
			* @returns {string[] \| undefined}
			*/
			function getOrder(element) {
			while (element) {
			var order = element.getAttribute('data-toolbar-order');
			if (order != null) {
			order = order.trim();
			if (order.length) {
			return order.split(/\s,\s/g);
			} else {
			return [];
			}
			}
			element = element.parentElement;
			}
			}

			/**
			* 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');

			// order callbacks
			var elementCallbacks = callbacks;
			var order = getOrder(env.element);
			if (order) {
			elementCallbacks = order.map(function (key) {
			return map[key] \|\| noop;
			});
			}

			elementCallbacks.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; var template;
			var text = pre.getAttribute('data-label');
			try {
			// Any normal text will blow up this selector.
			template = document.querySelector('template#' + text);
			} catch (e) { /* noop */ }

			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);
			}());