puppeteer/index.js
2020-05-07 12:54:55 +02:00

54 lines
1.9 KiB
JavaScript

/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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 { helper } = require('./lib/helper');
const api = require('./lib/api');
const { Page } = require('./lib/Page');
for (const className in api) {
if (typeof api[className] === 'function')
helper.installAsyncStackHooks(api[className]);
}
// Expose alias for deprecated method.
Page.prototype.emulateMedia = Page.prototype.emulateMediaType;
const { Puppeteer } = require('./lib/Puppeteer');
const packageJson = require('./package.json');
let preferredRevision = packageJson.puppeteer.chromium_revision;
const isPuppeteerCore = packageJson.name === 'puppeteer-core';
// puppeteer-core ignores environment variables
const product = isPuppeteerCore
? undefined
: process.env.PUPPETEER_PRODUCT ||
process.env.npm_config_puppeteer_product ||
process.env.npm_package_config_puppeteer_product;
if (!isPuppeteerCore && product === 'firefox')
preferredRevision = packageJson.puppeteer.firefox_revision;
const puppeteer = new Puppeteer(
__dirname,
preferredRevision,
isPuppeteerCore,
product
);
// The introspection in `Helper.installAsyncStackHooks` references `Puppeteer._launcher`
// before the Puppeteer ctor is called, such that an invalid Launcher is selected at import,
// so we reset it.
puppeteer._lazyLauncher = undefined;
module.exports = puppeteer;