55 lines
1.9 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const { app } = require('electron');
const { chromiumSwitches } = require('../chromium/chromiumSwitches');
// Always pass user arguments first, see https://github.com/microsoft/playwright/issues/16614 and
// https://github.com/microsoft/playwright/issues/29198.
// [Electron, -r, loader.js[, --no-sandbox>], --inspect=0, --remote-debugging-port=0, ...args]
process.argv.splice(1, process.argv.indexOf('--remote-debugging-port=0'));
for (const arg of chromiumSwitches) {
const match = arg.match(/--([^=]*)=?(.*)/)!;
app.commandLine.appendSwitch(match[1], match[2]);
}
// Defer ready event.
const originalWhenReady = app.whenReady();
const originalEmit = app.emit.bind(app);
let readyEventArgs: any[];
app.emit = (event: string | symbol, ...args: any[]): boolean => {
if (event === 'ready') {
readyEventArgs = args;
return app.listenerCount('ready') > 0;
}
return originalEmit(event, ...args);
};
let isReady = false;
let whenReadyCallback: (event: any) => any;
const whenReadyPromise = new Promise<void>(f => whenReadyCallback = f);
app.isReady = () => isReady;
app.whenReady = () => whenReadyPromise;
(globalThis as any).__playwright_run = async () => {
// Wait for app to be ready to avoid browser initialization races.
const event = await originalWhenReady;
isReady = true;
whenReadyCallback(event);
originalEmit('ready', ...readyEventArgs);
};