import {basename, extname, isObject, isDarkTheme} from '../utils.js'; const languagesByFilename = {}; const languagesByExt = {}; const baseOptions = { fontFamily: 'var(--fonts-monospace)', fontSize: 14, // https://github.com/microsoft/monaco-editor/issues/2242 guides: {bracketPairs: false, indentation: false}, links: false, minimap: {enabled: false}, occurrencesHighlight: false, overviewRulerLanes: 0, renderLineHighlight: 'all', renderLineHighlightOnlyWhenFocus: true, renderWhitespace: 'none', rulers: false, scrollbar: {horizontalScrollbarSize: 6, verticalScrollbarSize: 6}, scrollBeyondLastLine: false, }; function getEditorconfig(input) { try { return JSON.parse(input.dataset.editorconfig); } catch { return null; } } function initLanguages(monaco) { for (const {filenames, extensions, id} of monaco.languages.getLanguages()) { for (const filename of filenames || []) { languagesByFilename[filename] = id; } for (const extension of extensions || []) { languagesByExt[extension] = id; } } } function getLanguage(filename) { return languagesByFilename[filename] || languagesByExt[extname(filename)] || 'plaintext'; } function updateEditor(monaco, editor, filename, lineWrapExts) { editor.updateOptions(getFileBasedOptions(filename, lineWrapExts)); const model = editor.getModel(); const language = model.getModeId(); const newLanguage = getLanguage(filename); if (language !== newLanguage) monaco.editor.setModelLanguage(model, newLanguage); } // export editor for customization - https://github.com/go-gitea/gitea/issues/10409 function exportEditor(editor) { if (!window.codeEditors) window.codeEditors = []; if (!window.codeEditors.includes(editor)) window.codeEditors.push(editor); } export async function createMonaco(textarea, filename, editorOpts) { const monaco = await import(/* webpackChunkName: "monaco" */'monaco-editor'); initLanguages(monaco); let {language, ...other} = editorOpts; if (!language) language = getLanguage(filename); const container = document.createElement('div'); container.className = 'monaco-editor-container'; textarea.parentNode.appendChild(container); // https://github.com/microsoft/monaco-editor/issues/2427 const styles = window.getComputedStyle(document.documentElement); const getProp = (name) => styles.getPropertyValue(name).trim(); monaco.editor.defineTheme('gitea', { base: isDarkTheme() ? 'vs-dark' : 'vs', inherit: true, rules: [ { background: getProp('--color-code-bg'), } ], colors: { 'editor.background': getProp('--color-code-bg'), 'editor.foreground': getProp('--color-text'), 'editor.inactiveSelectionBackground': getProp('--color-primary-light-4'), 'editor.lineHighlightBackground': getProp('--color-editor-line-highlight'), 'editor.selectionBackground': getProp('--color-primary-light-3'), 'editor.selectionForeground': getProp('--color-primary-light-3'), 'editorLineNumber.background': getProp('--color-code-bg'), 'editorLineNumber.foreground': getProp('--color-secondary-dark-6'), 'editorWidget.background': getProp('--color-body'), 'editorWidget.border': getProp('--color-secondary'), 'input.background': getProp('--color-input-background'), 'input.border': getProp('--color-input-border'), 'input.foreground': getProp('--color-input-text'), 'scrollbar.shadow': getProp('--color-shadow'), 'progressBar.background': getProp('--color-primary'), } }); const editor = monaco.editor.create(container, { value: textarea.value, theme: 'gitea', language, ...other, }); const model = editor.getModel(); model.onDidChangeContent(() => { textarea.value = editor.getValue(); textarea.dispatchEvent(new Event('change')); // seems to be needed for jquery-are-you-sure }); window.addEventListener('resize', () => { editor.layout(); }); exportEditor(editor); const loading = document.querySelector('.editor-loading'); if (loading) loading.remove(); return {monaco, editor}; } function getFileBasedOptions(filename, lineWrapExts) { return { wordWrap: (lineWrapExts || []).includes(extname(filename)) ? 'on' : 'off', }; } export async function createCodeEditor(textarea, filenameInput, previewFileModes) { const filename = basename(filenameInput.value); const previewLink = document.querySelector('a[data-tab=preview]'); const markdownExts = (textarea.dataset.markdownFileExts || '').split(','); const lineWrapExts = (textarea.dataset.lineWrapExtensions || '').split(','); const isMarkdown = markdownExts.includes(extname(filename)); const editorConfig = getEditorconfig(filenameInput); if (previewLink) { if (isMarkdown && (previewFileModes || []).includes('markdown')) { previewLink.dataset.url = previewLink.dataset.url.replace(/(.*)\/.*/i, `$1/markdown`); previewLink.style.display = ''; } else { previewLink.style.display = 'none'; } } const {monaco, editor} = await createMonaco(textarea, filename, { ...baseOptions, ...getFileBasedOptions(filenameInput.value, lineWrapExts), ...getEditorConfigOptions(editorConfig), }); filenameInput.addEventListener('keyup', () => { const filename = filenameInput.value; updateEditor(monaco, editor, filename, lineWrapExts); }); return editor; } function getEditorConfigOptions(ec) { if (!isObject(ec)) return {}; const opts = {}; opts.detectIndentation = !('indent_style' in ec) || !('indent_size' in ec); if ('indent_size' in ec) opts.indentSize = Number(ec.indent_size); if ('tab_width' in ec) opts.tabSize = Number(ec.tab_width) || opts.indentSize; if ('max_line_length' in ec) opts.rulers = [Number(ec.max_line_length)]; opts.trimAutoWhitespace = ec.trim_trailing_whitespace === true; opts.insertSpaces = ec.indent_style === 'space'; opts.useTabStops = ec.indent_style === 'tab'; return opts; }