@theia/core
Version:
Theia is a cloud & desktop IDE framework implemented in TypeScript.
75 lines (68 loc) • 2.69 kB
text/typescript
// *****************************************************************************
// Copyright (C) 2018 TypeFox and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************
// eslint-disable-next-line import/no-extraneous-dependencies
import { JSDOM } from 'jsdom';
/**
* ```typescript
* const disableJSDOM = enableJSDOM();
* // actions require DOM
* disableJSDOM();
* ```
*/
export function enableJSDOM(): () => void {
/* eslint-disable @typescript-eslint/no-explicit-any */
/* eslint-disable no-unused-expressions */
// do nothing if running in browser
try {
global;
} catch (e) {
return () => { };
}
// no need to enable twice
if (typeof (global as any)['_disableJSDOM'] === 'function') {
return (global as any)['_disableJSDOM'];
}
const dom = new JSDOM('<!doctype html><html><body></body></html>', {
url: 'http://localhost/'
});
(global as any)['document'] = dom.window.document;
(global as any)['window'] = dom.window;
try {
(global as any)['navigator'] = { userAgent: 'node.js', platform: 'Mac' };
} catch (e) {
// node 21+ already has a navigator object
}
const toCleanup: string[] = [];
Object.getOwnPropertyNames((dom.window as any)).forEach(property => {
if (!(property in global)) {
(global as any)[property] = (dom.window as any)[property];
toCleanup.push(property);
}
});
(dom.window.document as any)['queryCommandSupported'] = function (): void { };
const disableJSDOM = (global as any)['_disableJSDOM'] = () => {
let property: string | undefined;
while (property = toCleanup.pop()) {
delete (global as any)[property];
}
delete (dom.window.document as any)['queryCommandSupported'];
delete (global as any)['document'];
delete (global as any)['window'];
delete (global as any)['navigator'];
delete (global as any)['_disableJSDOM'];
};
return disableJSDOM;
}