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;
}