puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
98 lines • 4.55 kB
JavaScript
;
/**
* Copyright 2020 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.
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.connectToBrowser = void 0;
const Browser_js_1 = require("./Browser.js");
const assert_js_1 = require("./assert.js");
const helper_js_1 = require("../common/helper.js");
const Connection_js_1 = require("./Connection.js");
const fetch_js_1 = require("./fetch.js");
const environment_js_1 = require("../environment.js");
const getWebSocketTransportClass = async () => {
return environment_js_1.isNode
? (await Promise.resolve().then(() => __importStar(require('../node/NodeWebSocketTransport.js')))).NodeWebSocketTransport
: (await Promise.resolve().then(() => __importStar(require('./BrowserWebSocketTransport.js'))))
.BrowserWebSocketTransport;
};
/**
* Users should never call this directly; it's called when calling
* `puppeteer.connect`.
* @internal
*/
const connectToBrowser = async (options) => {
const { browserWSEndpoint, browserURL, ignoreHTTPSErrors = false, defaultViewport = { width: 800, height: 600 }, transport, slowMo = 0, targetFilter, } = options;
(0, assert_js_1.assert)(Number(!!browserWSEndpoint) + Number(!!browserURL) + Number(!!transport) ===
1, 'Exactly one of browserWSEndpoint, browserURL or transport must be passed to puppeteer.connect');
let connection = null;
if (transport) {
connection = new Connection_js_1.Connection('', transport, slowMo);
}
else if (browserWSEndpoint) {
const WebSocketClass = await getWebSocketTransportClass();
const connectionTransport = await WebSocketClass.create(browserWSEndpoint);
connection = new Connection_js_1.Connection(browserWSEndpoint, connectionTransport, slowMo);
}
else if (browserURL) {
const connectionURL = await getWSEndpoint(browserURL);
const WebSocketClass = await getWebSocketTransportClass();
const connectionTransport = await WebSocketClass.create(connectionURL);
connection = new Connection_js_1.Connection(connectionURL, connectionTransport, slowMo);
}
const { browserContextIds } = await connection.send('Target.getBrowserContexts');
return Browser_js_1.Browser.create(connection, browserContextIds, ignoreHTTPSErrors, defaultViewport, null, () => connection.send('Browser.close').catch(helper_js_1.debugError), targetFilter);
};
exports.connectToBrowser = connectToBrowser;
async function getWSEndpoint(browserURL) {
const endpointURL = new URL('/json/version', browserURL);
const fetch = await (0, fetch_js_1.getFetch)();
try {
const result = await fetch(endpointURL.toString(), {
method: 'GET',
});
if (!result.ok) {
throw new Error(`HTTP ${result.statusText}`);
}
const data = await result.json();
return data.webSocketDebuggerUrl;
}
catch (error) {
error.message =
`Failed to fetch browser webSocket URL from ${endpointURL}: ` +
error.message;
throw error;
}
}
//# sourceMappingURL=BrowserConnector.js.map