128 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| import {basename, extname, isObject, isDarkTheme} from '../utils.js';
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| 
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| const languagesByFilename = {};
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| const languagesByExt = {};
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| 
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| function getEditorconfig(input) {
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|   try {
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|     return JSON.parse(input.dataset.editorconfig);
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|   } catch {
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|     return null;
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|   }
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| }
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| 
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| function initLanguages(monaco) {
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|   for (const {filenames, extensions, id} of monaco.languages.getLanguages()) {
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|     for (const filename of filenames || []) {
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|       languagesByFilename[filename] = id;
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|     }
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|     for (const extension of extensions || []) {
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|       languagesByExt[extension] = id;
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|     }
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|   }
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| }
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| 
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| function getLanguage(filename) {
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|   return languagesByFilename[filename] || languagesByExt[extname(filename)] || 'plaintext';
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| }
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| 
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| function updateEditor(monaco, editor, filename, lineWrapExts) {
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|   editor.updateOptions({...getFileBasedOptions(filename, lineWrapExts)});
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|   const model = editor.getModel();
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|   const language = model.getModeId();
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|   const newLanguage = getLanguage(filename);
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|   if (language !== newLanguage) monaco.editor.setModelLanguage(model, newLanguage);
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| }
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| 
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| // export editor for customization - https://github.com/go-gitea/gitea/issues/10409
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| function exportEditor(editor) {
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|   if (!window.codeEditors) window.codeEditors = [];
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|   if (!window.codeEditors.includes(editor)) window.codeEditors.push(editor);
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| }
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| 
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| export async function createMonaco(textarea, filename, editorOpts) {
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|   const monaco = await import(/* webpackChunkName: "monaco" */'monaco-editor');
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| 
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|   initLanguages(monaco);
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|   let {language, ...other} = editorOpts;
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|   if (!language) language = getLanguage(filename);
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| 
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|   const container = document.createElement('div');
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|   container.className = 'monaco-editor-container';
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|   textarea.parentNode.appendChild(container);
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| 
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|   const editor = monaco.editor.create(container, {
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|     value: textarea.value,
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|     theme: isDarkTheme() ? 'vs-dark' : 'vs',
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|     language,
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|     ...other,
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|   });
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| 
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|   const model = editor.getModel();
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|   model.onDidChangeContent(() => {
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|     textarea.value = editor.getValue();
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|     textarea.dispatchEvent(new Event('change')); // seems to be needed for jquery-are-you-sure
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|   });
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| 
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|   window.addEventListener('resize', () => {
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|     editor.layout();
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|   });
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| 
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|   exportEditor(editor);
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| 
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|   const loading = document.querySelector('.editor-loading');
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|   if (loading) loading.remove();
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| 
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|   return {monaco, editor};
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| }
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| 
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| function getFileBasedOptions(filename, lineWrapExts) {
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|   return {
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|     wordWrap: (lineWrapExts || []).includes(extname(filename)) ? 'on' : 'off',
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|   };
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| }
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| 
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| export async function createCodeEditor(textarea, filenameInput, previewFileModes) {
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|   const filename = basename(filenameInput.value);
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|   const previewLink = document.querySelector('a[data-tab=preview]');
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|   const markdownExts = (textarea.dataset.markdownFileExts || '').split(',');
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|   const lineWrapExts = (textarea.dataset.lineWrapExtensions || '').split(',');
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|   const isMarkdown = markdownExts.includes(extname(filename));
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|   const editorConfig = getEditorconfig(filenameInput);
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| 
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|   if (previewLink) {
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|     if (isMarkdown && (previewFileModes || []).includes('markdown')) {
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|       previewLink.dataset.url = previewLink.dataset.url.replace(/(.*)\/.*/i, `$1/markdown`);
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|       previewLink.style.display = '';
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|     } else {
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|       previewLink.style.display = 'none';
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|     }
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|   }
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| 
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|   const {monaco, editor} = await createMonaco(textarea, filename, {
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|     ...getFileBasedOptions(filenameInput.value, lineWrapExts),
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|     ...getEditorConfigOptions(editorConfig),
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|   });
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| 
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|   filenameInput.addEventListener('keyup', () => {
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|     const filename = filenameInput.value;
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|     updateEditor(monaco, editor, filename, lineWrapExts);
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|   });
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| 
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|   return editor;
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| }
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| 
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| function getEditorConfigOptions(ec) {
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|   if (!isObject(ec)) return {};
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| 
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|   const opts = {};
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|   opts.detectIndentation = !('indent_style' in ec) || !('indent_size' in ec);
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|   if ('indent_size' in ec) opts.indentSize = Number(ec.indent_size);
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|   if ('tab_width' in ec) opts.tabSize = Number(ec.tab_width) || opts.indentSize;
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|   if ('max_line_length' in ec) opts.rulers = [Number(ec.max_line_length)];
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|   opts.trimAutoWhitespace = ec.trim_trailing_whitespace === true;
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|   opts.insertSpaces = ec.indent_style === 'space';
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|   opts.useTabStops = ec.indent_style === 'tab';
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|   return opts;
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| }
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