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- import {basename, extname, isObject, isDarkTheme} from '../utils.js';
-
- const languagesByFilename = {};
- const languagesByExt = {};
-
- 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, filenameInput) {
- const newFilename = filenameInput.value;
- editor.updateOptions(getOptions(filenameInput));
- const model = editor.getModel();
- const language = model.getModeId();
- const newLanguage = getLanguage(newFilename);
- 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 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));
-
- 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 = await import(/* webpackChunkName: "monaco" */'monaco-editor');
- initLanguages(monaco);
-
- const container = document.createElement('div');
- container.className = 'monaco-editor-container';
- textarea.parentNode.appendChild(container);
-
- const editor = monaco.editor.create(container, {
- value: textarea.value,
- language: getLanguage(filename),
- ...getOptions(filenameInput, lineWrapExts),
- });
-
- 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();
- });
-
- filenameInput.addEventListener('keyup', () => {
- updateEditor(monaco, editor, filenameInput);
- });
-
- const loading = document.querySelector('.editor-loading');
- if (loading) loading.remove();
-
- exportEditor(editor);
-
- return editor;
- }
-
- function getOptions(filenameInput, lineWrapExts) {
- const ec = getEditorconfig(filenameInput);
- const theme = isDarkTheme() ? 'vs-dark' : 'vs';
- const wordWrap = (lineWrapExts || []).includes(extname(filenameInput.value)) ? 'on' : 'off';
-
- const opts = {theme, wordWrap};
- if (isObject(ec)) {
- 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;
- }
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