Locally add prismjs

node_modules/prismjs/plugins/copy-to-clipboard/prism-copy-to-clipboard.js

@@ -0,0 +1,160 @@
+(function () {
+
+	if (typeof Prism === 'undefined' || typeof document === 'undefined') {
+		return;
+	}
+
+	if (!Prism.plugins.toolbar) {
+		console.warn('Copy to Clipboard plugin loaded before Toolbar plugin.');
+
+		return;
+	}
+
+	/**
+	 * When the given elements is clicked by the user, the given text will be copied to clipboard.
+	 *
+	 * @param {HTMLElement} element
+	 * @param {CopyInfo} copyInfo
+	 *
+	 * @typedef CopyInfo
+	 * @property {() => string} getText
+	 * @property {() => void} success
+	 * @property {(reason: unknown) => void} error
+	 */
+	function registerClipboard(element, copyInfo) {
+		element.addEventListener('click', function () {
+			copyTextToClipboard(copyInfo);
+		});
+	}
+
+	// https://stackoverflow.com/a/30810322/7595472
+
+	/** @param {CopyInfo} copyInfo */
+	function fallbackCopyTextToClipboard(copyInfo) {
+		var textArea = document.createElement('textarea');
+		textArea.value = copyInfo.getText();
+
+		// Avoid scrolling to bottom
+		textArea.style.top = '0';
+		textArea.style.left = '0';
+		textArea.style.position = 'fixed';
+
+		document.body.appendChild(textArea);
+		textArea.focus();
+		textArea.select();
+
+		try {
+			var successful = document.execCommand('copy');
+			setTimeout(function () {
+				if (successful) {
+					copyInfo.success();
+				} else {
+					copyInfo.error();
+				}
+			}, 1);
+		} catch (err) {
+			setTimeout(function () {
+				copyInfo.error(err);
+			}, 1);
+		}
+
+		document.body.removeChild(textArea);
+	}
+	/** @param {CopyInfo} copyInfo */
+	function copyTextToClipboard(copyInfo) {
+		if (navigator.clipboard) {
+			navigator.clipboard.writeText(copyInfo.getText()).then(copyInfo.success, function () {
+				// try the fallback in case `writeText` didn't work
+				fallbackCopyTextToClipboard(copyInfo);
+			});
+		} else {
+			fallbackCopyTextToClipboard(copyInfo);
+		}
+	}
+
+	/**
+	 * Selects the text content of the given element.
+	 *
+	 * @param {Element} element
+	 */
+	function selectElementText(element) {
+		// https://stackoverflow.com/a/20079910/7595472
+		window.getSelection().selectAllChildren(element);
+	}
+
+	/**
+	 * Traverses up the DOM tree to find data attributes that override the default plugin settings.
+	 *
+	 * @param {Element} startElement An element to start from.
+	 * @returns {Settings} The plugin settings.
+	 * @typedef {Record<"copy" | "copy-error" | "copy-success" | "copy-timeout", string | number>} Settings
+	 */
+	function getSettings(startElement) {
+		/** @type {Settings} */
+		var settings = {
+			'copy': 'Copy',
+			'copy-error': 'Press Ctrl+C to copy',
+			'copy-success': 'Copied!',
+			'copy-timeout': 5000
+		};
+
+		var prefix = 'data-prismjs-';
+		for (var key in settings) {
+			var attr = prefix + key;
+			var element = startElement;
+			while (element && !element.hasAttribute(attr)) {
+				element = element.parentElement;
+			}
+			if (element) {
+				settings[key] = element.getAttribute(attr);
+			}
+		}
+		return settings;
+	}
+
+	Prism.plugins.toolbar.registerButton('copy-to-clipboard', function (env) {
+		var element = env.element;
+
+		var settings = getSettings(element);
+
+		var linkCopy = document.createElement('button');
+		linkCopy.className = 'copy-to-clipboard-button';
+		linkCopy.setAttribute('type', 'button');
+		var linkSpan = document.createElement('span');
+		linkCopy.appendChild(linkSpan);
+
+		setState('copy');
+
+		registerClipboard(linkCopy, {
+			getText: function () {
+				return element.textContent;
+			},
+			success: function () {
+				setState('copy-success');
+
+				resetText();
+			},
+			error: function () {
+				setState('copy-error');
+
+				setTimeout(function () {
+					selectElementText(element);
+				}, 1);
+
+				resetText();
+			}
+		});
+
+		return linkCopy;
+
+		function resetText() {
+			setTimeout(function () { setState('copy'); }, settings['copy-timeout']);
+		}
+
+		/** @param {"copy" | "copy-error" | "copy-success"} state */
+		function setState(state) {
+			linkSpan.textContent = settings[state];
+			linkCopy.setAttribute('data-copy-state', state);
+		}
+	});
+}());

node_modules/prismjs/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js

@@ -0,0 +1 @@
+!function(){function t(t){var e=document.createElement("textarea");e.value=t.getText(),e.style.top="0",e.style.left="0",e.style.position="fixed",document.body.appendChild(e),e.focus(),e.select();try{var o=document.execCommand("copy");setTimeout((function(){o?t.success():t.error()}),1)}catch(e){setTimeout((function(){t.error(e)}),1)}document.body.removeChild(e)}"undefined"!=typeof Prism&&"undefined"!=typeof document&&(Prism.plugins.toolbar?Prism.plugins.toolbar.registerButton("copy-to-clipboard",(function(e){var o=e.element,n=function(t){var e={copy:"Copy","copy-error":"Press Ctrl+C to copy","copy-success":"Copied!","copy-timeout":5e3};for(var o in e){for(var n="data-prismjs-"+o,c=t;c&&!c.hasAttribute(n);)c=c.parentElement;c&&(e[o]=c.getAttribute(n))}return e}(o),c=document.createElement("button");c.className="copy-to-clipboard-button",c.setAttribute("type","button");var r=document.createElement("span");return c.appendChild(r),u("copy"),function(e,o){e.addEventListener("click",(function(){!function(e){navigator.clipboard?navigator.clipboard.writeText(e.getText()).then(e.success,(function(){t(e)})):t(e)}(o)}))}(c,{getText:function(){return o.textContent},success:function(){u("copy-success"),i()},error:function(){u("copy-error"),setTimeout((function(){!function(t){window.getSelection().selectAllChildren(t)}(o)}),1),i()}}),c;function i(){setTimeout((function(){u("copy")}),n["copy-timeout"])}function u(t){r.textContent=n[t],c.setAttribute("data-copy-state",t)}})):console.warn("Copy to Clipboard plugin loaded before Toolbar plugin."))}();