@theia/core/src/browser/window/window-launch-args.ts

Theia is a cloud & desktop IDE framework implemented in TypeScript.

// *****************************************************************************
// Copyright (C) 2026 EclipseSource GmbH 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
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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************

import { injectable } from 'inversify';
import { LaunchArguments } from '../../common/launch-arguments';

export const WindowLaunchArgs = Symbol('WindowLaunchArgs');

/**
 * Provides the CLI options a window was launched with, when it was opened by a *forwarded*
 * (second-instance) launch. See the `second-instance` handling in `ElectronMainApplication`, and
 * `LaunchArgsStore` for why the options are provided over a trusted channel rather than the URL.
 *
 * @experimental
 */
export interface WindowLaunchArgs {

    /**
     * The parsed launch options of the current window, or `undefined` when the window was not opened
     * by a forwarded launch (a cold-start window, or any browser deployment). Synchronous, so a
     * contribution can act on it from the first paint.
     */
    getLaunchArgs(): LaunchArguments | undefined;
}

/**
 * Default (browser) implementation: there is no trusted per-window launch channel in a plain
 * browser deployment, and the window URL must never be treated as one, so this always reports "no
 * launch options". Electron rebinds {@link WindowLaunchArgs} to an implementation backed by the
 * per-window metadata the preload script provides.
 *
 * @experimental
 */
@injectable()
export class DefaultWindowLaunchArgs implements WindowLaunchArgs {

    getLaunchArgs(): LaunchArguments | undefined {
        return undefined;
    }
}