KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use getWebSocketEndpoint method in Puppeteer

Best JavaScript code snippet using puppeteer

api-client.js

Source:api-client.js

...3import { registerSocket, closeSocket, getActiveSocket } from './socket.js';4import dappConstants from './constants.js';5const { API_URL } = dappConstants;6// === WEB SOCKET7function getWebSocketEndpoint(endpoint) {8  // TODO proxy socket.9  const url = new URL(endpoint, API_URL || window.origin);10  url.protocol = url.protocol.replace(/^http/, 'ws');11  return url.href;12}13/**14 * @typedef {Object} SocketHandler15 * @property {() => void} [onConnect]16 * @property {(msg: string) => void} [onMessage]17 * @property {() => void} [onDisconnect]18 */19const handlerToListener = new Map();20/**21 * Make a new socket to the API handler.22 * 23 * @param {SocketHandler} handler24 * @param {string} endpoint 25 */26function createSocket({ onConnect, onDisconnect, onMessage }, endpoint) {27  const socket = new WebSocket(getWebSocketEndpoint(endpoint));28  registerSocket(endpoint, {29    close() {30      socket.close();31    },32    send(obj) {33      socket.send(JSON.stringify(obj));34    },35    addHandler(handler) {36      const listener = ({ data }) => handler(JSON.parse(data));37      handlerToListener.set(handler, listener);38      socket.addEventListener('message', listener);39    },40    removeHandler(handler) {41      const listener = handlerToListener.get(handler);...

connection.spec.js

Source:connection.spec.js

...19import expect from '../node_modules/expect/build-es5/index.js';20import { getWebSocketEndpoint } from './helper.js';21describe('creating a Connection', () => {22  it('can create a real connection to the backend and send messages', async () => {23    const wsUrl = getWebSocketEndpoint();24    const transport = await BrowserWebSocketTransport.create(wsUrl);25    const connection = new Connection(wsUrl, transport);26    const result = await connection.send('Browser.getVersion');27    /* We can't expect exact results as the version of Chrome/CDP might change28     * and we don't want flakey tests, so let's assert the structure, which is29     * enough to confirm the result was recieved successfully.30     */31    expect(result).toEqual({32      protocolVersion: expect.any(String),33      jsVersion: expect.any(String),34      revision: expect.any(String),35      userAgent: expect.any(String),36      product: expect.any(String),37    });38  });39});40describe('puppeteer.connect', () => {41  it('can connect over websocket and make requests to the backend', async () => {42    const wsUrl = getWebSocketEndpoint();43    const browser = await puppeteer.connect({44      browserWSEndpoint: wsUrl,45    });46    const version = await browser.version();47    const versionLooksCorrect = /.+Chrome\/\d{2}/.test(version);48    expect(version).toEqual(expect.any(String));49    expect(versionLooksCorrect).toEqual(true);50  });...

fetch-websocket.js

Source:fetch-websocket.js

1/* globals window, WebSocket, fetch */2import { API_URL } from './constants';3// === FETCH4export async function doFetch(req, toBridge = false) {5  return fetch(toBridge ? '/bridge' : '/vat', {6    method: 'POST',7    body: JSON.stringify(req),8    headers: { 'Content-Type': 'application/json' },9  })10    .then(response => response.json())11    .then(({ ok, res }) => (ok ? res : {}))12    .catch(err => {13      console.log('Fetch Error', err);14    });15}16// === WEB SOCKET17let websocket = null;18function getWebsocketEndpoint() {19  // TODO proxy websocket.20  const url = new URL(API_URL || window.origin);21  url.protocol = 'ws';22  return url;23}24function createWebSocket({ onConnect, onDisconnect, onMessage }) {25  websocket = new WebSocket(getWebsocketEndpoint());26  if (onConnect) {27    websocket.addEventListener('open', () => onConnect());28  }29  if (onDisconnect) {30    websocket.addEventListener('close', () => onDisconnect());31  }32  if (onMessage) {33    websocket.addEventListener('message', ({ data }) => onMessage(data));34  }35}36function closeWebSocket() {37  websocket.close();38  websocket = null;39}40function isWebSocketActive() {41  return !!websocket;42}43export function activateWebSocket(websocketListeners = {}) {44  if (isWebSocketActive()) return;45  createWebSocket(websocketListeners);46}47export function deactivateWebSocket() {48  if (!isWebSocketActive()) return;49  closeWebSocket();...

session_manager.js

Source:session_manager.js

1const puppeteer = require("puppeteer-core");2const PuppeteerHar = require("puppeteer-har");3const { SessionNotFound } = require("./errors");4const { getWebsocketEndpoint } = require("./websocket_endpoint");5class SessionManager {6  activeSessions = {};7  nextSessionId = 0;8  async startSession(browserURL) {9    const sessionId = this.nextSessionId++;10    console.log(`Starting session ${sessionId} on browser at ${browserURL}`);11    const browserWSEndpoint = await getWebsocketEndpoint(browserURL);12    const browser = await puppeteer.connect({13      browserWSEndpoint,14      defaultViewport: null15    });16    const pages = await browser.pages();17    const page = pages[0];18    const har = new PuppeteerHar(page);19    await har.start();20    this.activeSessions[sessionId] = { browser, har };21    return sessionId;22  }23  async stopSession(sessionId) {24    console.log(`Stopping session ${sessionId}`);25    if (!(sessionId in this.activeSessions)) {26      throw new SessionNotFound();27    }28    const { har, browser } = this.activeSessions[sessionId];29    const content = await har.stop();30    await browser.disconnect();31    delete this.activeSessions[sessionId];32    return content;33  }34}35module.exports = {36  SessionManager...

Using AI Code Generation

1(async () => {2  const browser = await puppeteer.launch();3  const page = await browser.newPage();4  const client = await page.target().createCDPSession();5  const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl', {targetId: page.target()._targetId});6  await browser.close();7  console.log(webSocketDebuggerUrl);8})();9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  const webSocketDebuggerUrl = await page.target().createCDPSession().getWebSocketDebuggerUrl();13  await browser.close();14  console.log(webSocketDebuggerUrl);15})();16(async () => {17  const browser = await puppeteer.launch();18  const page = await browser.newPage();19  const webSocketDebuggerUrl = await page.target().getWebSocketDebuggerUrl();20  await browser.close();21  console.log(webSocketDebuggerUrl);22})();23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  const webSocketDebuggerUrl = await page.target().createCDPSession().send('Target.getWebSocketDebuggerUrl', {targetId: page.target()._targetId});27  await browser.close();28  console.log(webSocketDebuggerUrl);29})();30(async () => {31  const browser = await puppeteer.launch();32  const page = await browser.newPage();33  const webSocketDebuggerUrl = await page.target().createCDPSession().send('Target.getWebSocketDebuggerUrl', {targetId: page.target()._targetId}).webSocketDebuggerUrl;34  await browser.close();35  console.log(webSocketDebuggerUrl);36})();37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  const webSocketDebuggerUrl = await page.target().createCDPSession().send('Target.getWebSocketDebuggerUrl', {targetId: page.target()._targetId}).webSocketDebuggerUrl;41  await browser.close();42  console.log(webSocketDebugger

Using AI Code Generation

1(async () => {2    const browser = await puppeteer.launch();3    const page = await browser.newPage();4    const client = await page.target().createCDPSession();5    const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl');6    console.log(webSocketDebuggerUrl);7    await browser.close();8})();9(async () => {10    const browser = await puppeteer.launch();11    const page = await browser.newPage();12    const client = await page.target().createCDPSession();13    const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl');14    console.log(webSocketDebuggerUrl);15    await browser.close();16})();17(async () => {18    const browser = await puppeteer.launch();19    const page = await browser.newPage();20    const client = await page.target().createCDPSession();21    const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl');22    console.log(webSocketDebuggerUrl);23    await browser.close();24})();25(async () => {26    const browser = await puppeteer.launch();27    const page = await browser.newPage();28    const client = await page.target().createCDPSession();29    const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl');30    console.log(webSocketDebuggerUrl);31    await browser.close();32})();33(async () => {34    const browser = await puppeteer.launch();35    const page = await browser.newPage();36    const client = await page.target().createCDPSession();37    const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl');38    console.log(webSocketDebuggerUrl);39    await browser.close();40})();41(async () => {42    const browser = await puppeteer.launch();43    const page = await browser.newPage();44    const client = await page.target().createCDPSession();45    const {webSocketDebuggerUrl} = await client.send('Target.getWebSocketDebuggerUrl');46    console.log(webSocketDebuggerUrl);47    await browser.close();48})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const wsEndpoint = browser.wsEndpoint();6  console.log(wsEndpoint);7  await browser.close();8})();9const puppeteer = require('puppeteer');10(async () => {11  const browser = await puppeteer.connect({

Using AI Code Generation

1const puppeteer = require('puppeteer');2const devices = require('puppeteer/DeviceDescriptors');3(async () => {4  const browser = await puppeteer.launch();5  const page = await browser.newPage();6  await page.emulate(devices['iPhone 6']);7  const webSocketDebuggerUrl = await page.target().createCDPSession().then(function(session) {8    return session.send('Browser.getWindowForTarget').then(function(result) {9      return session.send('Browser.getWebSocketEndpoint', {10      });11    });12  });13  console.log(webSocketDebuggerUrl);14  await browser.close();15})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch({ headless: false });4  const page = await browser.newPage();5  const wsEndpoint = browser.wsEndpoint();6  console.log(wsEndpoint);7  await browser.close();8})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch({4    });5    const page = await browser.newPage();6    const endpoint = browser.wsEndpoint();7    console.log(endpoint);8    await browser.close();9})();10const puppeteer = require('puppeteer');11(async () => {

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const endpoint = browser.wsEndpoint();6  console.log(endpoint);7  await browser.close();8})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const wsEndpoint = browser.wsEndpoint();6  console.log(wsEndpoint);7  await browser.close();8})();9const puppeteer = require('puppeteer');10(async () => {11  const browser = await puppeteer.launch();12  const page = await browser.newPage();13  const wsEndpoint = browser.wsEndpoint();14  await browser.close();15  const browser2 = await puppeteer.connect({browserWSEndpoint: wsEndpoint});16  const page2 = await browser2.newPage();17  await browser2.close();18})();19const puppeteer = require('puppeteer');20(async () => {21  const browser = await puppeteer.launch();22  const page = await browser.newPage();23  const wsEndpoint = browser.wsEndpoint();24  await browser.close();25  const browser2 = await puppeteer.connect({browserWSEndpoint: wsEndpoint});26  const page2 = await browser2.newPage();27  await browser2.close();28  const browser3 = await puppeteer.connect({browserWSEndpoint: wsEndpoint});29  const page3 = await browser3.newPage();30  await browser3.close();31})();32const puppeteer = require('puppeteer');33(async () => {34  const browser = await puppeteer.launch();35  const page = await browser.newPage();36  const wsEndpoint = browser.wsEndpoint();37  await browser.close();38  const browser2 = await puppeteer.connect({browserWSEndpoint: wsEndpoint});39  const page2 = await browser2.newPage();40  await browser2.close();41  const browser3 = await puppeteer.connect({browserWSEndpoint: wsEndpoint});

Using AI Code Generation

1const puppeteer = require('puppeteer');2const puppeteerCluster = require('puppeteer-cluster');3(async () => {4  const cluster = await puppeteerCluster.launch({5  });6  await cluster.task(async ({ page, data: url }) => {7    await page.goto(url);8    const endpoint = await page.target().createCDPSession().send('Target.getWebSocketDebuggerUrl');9    console.log(endpoint);10  });11  await cluster.idle();12  await cluster.close();13})();14### `puppeteerCluster.launch([options])`15  - `puppeteer` <[Object]> Puppeteer options. See [Puppeteer documentation](

Using AI Code Generation

1const puppeteer = require('puppeteer');2const browser = await puppeteer.launch({3    executablePath: 'C:/Program Files (x86)/Google/Chrome/Application/chrome.exe'4});5const page = await browser.newPage();6const endpoint = browser.wsEndpoint();7console.log(endpoint);8await browser.close();

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.