monaco-editor
Version:
A browser based code editor
47 lines (44 loc) • 2.41 kB
JavaScript
import { getMonacoEnvironment } from '../../../../base/browser/browser.js';
import { WebWorkerService } from '../../../../platform/webWorker/browser/webWorkerServiceImpl.js';
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
class StandaloneWebWorkerService extends WebWorkerService {
_createWorker(descriptor) {
const monacoEnvironment = getMonacoEnvironment();
if (monacoEnvironment) {
if (typeof monacoEnvironment.getWorker === 'function') {
const worker = monacoEnvironment.getWorker('workerMain.js', descriptor.label);
if (worker !== undefined) {
return Promise.resolve(worker);
}
}
}
return super._createWorker(descriptor);
}
_getWorkerLoadingFailedErrorMessage(descriptor) {
const examplePath = '\'...?esm\''; // Broken up to avoid detection by bundler plugin
return `Failed to load worker script for label: ${descriptor.label}.
Ensure your bundler properly bundles modules referenced by "new URL(${examplePath}, import.meta.url)".`;
}
getWorkerUrl(descriptor) {
const monacoEnvironment = getMonacoEnvironment();
if (monacoEnvironment) {
if (typeof monacoEnvironment.getWorkerUrl === 'function') {
const workerUrl = monacoEnvironment.getWorkerUrl('workerMain.js', descriptor.label);
if (workerUrl !== undefined) {
const absoluteUrl = new URL(workerUrl, document.baseURI).toString();
return absoluteUrl;
}
}
}
if (!descriptor.esmModuleLocationBundler) {
throw new Error(`You must define a function MonacoEnvironment.getWorkerUrl or MonacoEnvironment.getWorker for the worker label: ${descriptor.label}`);
}
const url = typeof descriptor.esmModuleLocationBundler === 'function' ? descriptor.esmModuleLocationBundler() : descriptor.esmModuleLocationBundler;
const urlStr = url.toString();
return urlStr;
}
}
export { StandaloneWebWorkerService };