1 import CodeMirror from "codemirror";
2 import Clipboard from "clipboard/dist/clipboard.min";
5 import 'codemirror/mode/css/css';
6 import 'codemirror/mode/clike/clike';
7 import 'codemirror/mode/diff/diff';
8 import 'codemirror/mode/fortran/fortran';
9 import 'codemirror/mode/go/go';
10 import 'codemirror/mode/haskell/haskell';
11 import 'codemirror/mode/htmlmixed/htmlmixed';
12 import 'codemirror/mode/javascript/javascript';
13 import 'codemirror/mode/julia/julia';
14 import 'codemirror/mode/lua/lua';
15 import 'codemirror/mode/markdown/markdown';
16 import 'codemirror/mode/mllike/mllike';
17 import 'codemirror/mode/nginx/nginx';
18 import 'codemirror/mode/perl/perl';
19 import 'codemirror/mode/pascal/pascal';
20 import 'codemirror/mode/php/php';
21 import 'codemirror/mode/powershell/powershell';
22 import 'codemirror/mode/properties/properties';
23 import 'codemirror/mode/python/python';
24 import 'codemirror/mode/ruby/ruby';
25 import 'codemirror/mode/rust/rust';
26 import 'codemirror/mode/shell/shell';
27 import 'codemirror/mode/sql/sql';
28 import 'codemirror/mode/toml/toml';
29 import 'codemirror/mode/xml/xml';
30 import 'codemirror/mode/yaml/yaml';
33 import 'codemirror/addon/scroll/scrollpastend';
35 // Mapping of possible languages or formats from user input to their codemirror modes.
36 // Value can be a mode string or a function that will receive the code content & return the mode string.
37 // The function option is used in the event the exact mode could be dynamic depending on the code.
42 scala: 'text/x-scala',
43 kotlin: 'text/x-kotlin',
44 'c++': 'text/x-c++src',
45 'c#': 'text/x-csharp',
46 csharp: 'text/x-csharp',
55 javascript: 'javascript',
56 json: {name: 'javascript', json: true},
68 powershell: 'powershell',
69 properties: 'properties',
71 pascal: 'text/x-pascal',
74 return content.includes('<?php') ? 'php' : 'text/x-php';
93 * Highlight pre elements on a page
95 function highlight() {
96 const codeBlocks = document.querySelectorAll('.page-content pre, .comment-box .content pre');
97 for (const codeBlock of codeBlocks) {
98 highlightElem(codeBlock);
103 * Highlight all code blocks within the given parent element
104 * @param {HTMLElement} parent
106 function highlightWithin(parent) {
107 const codeBlocks = parent.querySelectorAll('pre');
108 for (const codeBlock of codeBlocks) {
109 highlightElem(codeBlock);
114 * Add code highlighting to a single element.
115 * @param {HTMLElement} elem
117 function highlightElem(elem) {
118 const innerCodeElem = elem.querySelector('code[class^=language-]');
119 elem.innerHTML = elem.innerHTML.replace(/<br\s*[\/]?>/gi ,'\n');
120 const content = elem.textContent.trimEnd();
123 if (innerCodeElem !== null) {
124 const langName = innerCodeElem.className.replace('language-', '');
125 mode = getMode(langName, content);
128 const cm = CodeMirror(function(elt) {
129 elem.parentNode.replaceChild(elt, elem);
143 * Add a button to a CodeMirror instance which copies the contents to the clipboard upon click.
146 function addCopyIcon(cmInstance) {
147 const copyIcon = `<svg viewBox="0 0 24 24" width="16" height="16" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"/><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>`;
148 const copyButton = document.createElement('div');
149 copyButton.classList.add('CodeMirror-copy');
150 copyButton.innerHTML = copyIcon;
151 cmInstance.display.wrapper.appendChild(copyButton);
153 const clipboard = new Clipboard(copyButton, {
154 text: function(trigger) {
155 return cmInstance.getValue()
159 clipboard.on('success', event => {
160 copyButton.classList.add('success');
162 copyButton.classList.remove('success');
168 * Search for a codemirror code based off a user suggestion
169 * @param {String} suggestion
170 * @param {String} content
173 function getMode(suggestion, content) {
174 suggestion = suggestion.trim().replace(/^\./g, '').toLowerCase();
176 const modeMapType = typeof modeMap[suggestion];
178 if (modeMapType === 'undefined') {
182 if (modeMapType === 'function') {
183 return modeMap[suggestion](content);
186 return modeMap[suggestion];
190 * Ge the theme to use for CodeMirror instances.
191 * @returns {*|string}
193 function getTheme() {
194 const darkMode = document.documentElement.classList.contains('dark-mode');
195 return window.codeTheme || (darkMode ? 'darcula' : 'default');
199 * Create a CodeMirror instance for showing inside the WYSIWYG editor.
200 * Manages a textarea element to hold code content.
201 * @param {HTMLElement} elem
202 * @returns {{wrap: Element, editor: *}}
204 function wysiwygView(elem) {
205 const doc = elem.ownerDocument;
206 const codeElem = elem.querySelector('code');
208 let lang = (elem.className || '').replace('language-', '');
209 if (lang === '' && codeElem) {
210 lang = (codeElem.className || '').replace('language-', '')
213 elem.innerHTML = elem.innerHTML.replace(/<br\s*[\/]?>/gi ,'\n');
214 const content = elem.textContent;
215 const newWrap = doc.createElement('div');
216 const newTextArea = doc.createElement('textarea');
218 newWrap.className = 'CodeMirrorContainer';
219 newWrap.setAttribute('data-lang', lang);
220 newWrap.setAttribute('dir', 'ltr');
221 newTextArea.style.display = 'none';
222 elem.parentNode.replaceChild(newWrap, elem);
224 newWrap.appendChild(newTextArea);
225 newWrap.contentEditable = false;
226 newTextArea.textContent = content;
228 let cm = CodeMirror(function(elt) {
229 newWrap.appendChild(elt);
232 mode: getMode(lang, content),
241 return {wrap: newWrap, editor: cm};
245 * Create a CodeMirror instance to show in the WYSIWYG pop-up editor
246 * @param {HTMLElement} elem
247 * @param {String} modeSuggestion
250 function popupEditor(elem, modeSuggestion) {
251 const content = elem.textContent;
253 return CodeMirror(function(elt) {
254 elem.parentNode.insertBefore(elt, elem);
255 elem.style.display = 'none';
258 mode: getMode(modeSuggestion, content),
266 * Set the mode of a codemirror instance.
268 * @param modeSuggestion
270 function setMode(cmInstance, modeSuggestion, content) {
271 cmInstance.setOption('mode', getMode(modeSuggestion, content));
275 * Set the content of a cm instance.
279 function setContent(cmInstance, codeContent) {
280 cmInstance.setValue(codeContent);
282 updateLayout(cmInstance);
287 * Update the layout (codemirror refresh) of a cm instance.
290 function updateLayout(cmInstance) {
291 cmInstance.refresh();
295 * Get a CodeMirror instance to use for the markdown editor.
296 * @param {HTMLElement} elem
299 function markdownEditor(elem) {
300 const content = elem.textContent;
310 window.$events.emitPublic(elem, 'editor-markdown-cm::pre-init', {config});
312 return CodeMirror(function (elt) {
313 elem.parentNode.insertBefore(elt, elem);
314 elem.style.display = 'none';
319 * Get the 'meta' key dependant on the user's system.
322 function getMetaKey() {
323 let mac = CodeMirror.keyMap["default"] == CodeMirror.keyMap.macDefault;
324 return mac ? "Cmd" : "Ctrl";
328 highlight: highlight,
329 highlightWithin: highlightWithin,
330 wysiwygView: wysiwygView,
331 popupEditor: popupEditor,
333 setContent: setContent,
334 updateLayout: updateLayout,
335 markdownEditor: markdownEditor,
336 getMetaKey: getMetaKey,