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import tinycolor from 'tinycolor2';import {basename, extname, isObject, isDarkTheme} from '../utils.js';import {onInputDebounce} from '../utils/dom.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: 'off',  overviewRulerLanes: 0,  renderLineHighlight: 'all',  renderLineHighlightOnlyWhenFocus: true,  rulers: false,  scrollbar: {horizontalScrollbarSize: 6, verticalScrollbarSize: 6},  scrollBeyondLastLine: false,  automaticLayout: true,}; function getEditorconfig(input) {  try {    return JSON.parse(input.getAttribute('data-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.getLanguageId();  const newLanguage = getLanguage(filename);  if (language !== newLanguage) monaco.editor.setModelLanguage(model, newLanguage);} // export editor for customization - https://github.com/go-gitea/gitea/issues/10409function 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.append(container);   // https://github.com/microsoft/monaco-editor/issues/2427  // also, monaco can only parse 6-digit hex colors, so we convert the colors to that format  const styles = window.getComputedStyle(document.documentElement);  const getColor = (name) => tinycolor(styles.getPropertyValue(name).trim()).toString('hex6');   monaco.editor.defineTheme('gitea', {    base: isDarkTheme() ? 'vs-dark' : 'vs',    inherit: true,    rules: [      {        background: getColor('--color-code-bg'),      },    ],    colors: {      'editor.background': getColor('--color-code-bg'),      'editor.foreground': getColor('--color-text'),      'editor.inactiveSelectionBackground': getColor('--color-primary-light-4'),      'editor.lineHighlightBackground': getColor('--color-editor-line-highlight'),      'editor.selectionBackground': getColor('--color-primary-light-3'),      'editor.selectionForeground': getColor('--color-primary-light-3'),      'editorLineNumber.background': getColor('--color-code-bg'),      'editorLineNumber.foreground': getColor('--color-secondary-dark-6'),      'editorWidget.background': getColor('--color-body'),      'editorWidget.border': getColor('--color-secondary'),      'input.background': getColor('--color-input-background'),      'input.border': getColor('--color-input-border'),      'input.foreground': getColor('--color-input-text'),      'scrollbar.shadow': getColor('--color-shadow'),      'progressBar.background': getColor('--color-primary'),    },  });   const editor = monaco.editor.create(container, {    value: textarea.value,    theme: 'gitea',    language,    ...other,  });   monaco.editor.addKeybindingRules([    {keybinding: monaco.KeyCode.Enter, command: null}, // disable enter from accepting code completion  ]);   const model = editor.getModel();  model.onDidChangeContent(() => {    textarea.value = editor.getValue({preserveBOM: true});    textarea.dispatchEvent(new Event('change')); // seems to be needed for jquery-are-you-sure  });   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',  };} function togglePreviewDisplay(previewable) {  const previewTab = document.querySelector('a[data-tab="preview"]');  if (!previewTab) return;   if (previewable) {    const newUrl = (previewTab.getAttribute('data-url') || '').replace(/(.*)\/.*/, `$1/markup`);    previewTab.setAttribute('data-url', newUrl);    previewTab.style.display = '';  } else {    previewTab.style.display = 'none';    // If the "preview" tab was active, user changes the filename to a non-previewable one,    // then the "preview" tab becomes inactive (hidden), so the "write" tab should become active    if (previewTab.classList.contains('active')) {      const writeTab = document.querySelector('a[data-tab="write"]');      writeTab.click();    }  }} export async function createCodeEditor(textarea, filenameInput) {  const filename = basename(filenameInput.value);  const previewableExts = new Set((textarea.getAttribute('data-previewable-extensions') || '').split(','));  const lineWrapExts = (textarea.getAttribute('data-line-wrap-extensions') || '').split(',');  const previewable = previewableExts.has(extname(filename));  const editorConfig = getEditorconfig(filenameInput);   togglePreviewDisplay(previewable);   const {monaco, editor} = await createMonaco(textarea, filename, {    ...baseOptions,    ...getFileBasedOptions(filenameInput.value, lineWrapExts),    ...getEditorConfigOptions(editorConfig),  });   filenameInput.addEventListener('input', onInputDebounce(() => {    const filename = filenameInput.value;    const previewable = previewableExts.has(extname(filename));    togglePreviewDisplay(previewable);    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;}