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How to use connectOverCDP method in Playwright Internal

Best JavaScript code snippet using playwright-internal

browserType.js

Source:browserType.js

...176        throw new Error(`Timeout ${params.timeout}ms exceeded`);177      }178    });179  }180  connectOverCDP(endpointURLOrOptions, options) {181    if (typeof endpointURLOrOptions === 'string') return this._connectOverCDP(endpointURLOrOptions, options);182    const endpointURL = 'endpointURL' in endpointURLOrOptions ? endpointURLOrOptions.endpointURL : endpointURLOrOptions.wsEndpoint;183    (0, _utils.assert)(endpointURL, 'Cannot connect over CDP without wsEndpoint.');184    return this.connectOverCDP(endpointURL, endpointURLOrOptions);185  }186  async _connectOverCDP(endpointURL, params = {}) {187    if (this.name() !== 'chromium') throw new Error('Connecting over CDP is only supported in Chromium.');188    const headers = params.headers ? (0, _utils.headersObjectToArray)(params.headers) : undefined;189    const result = await this._channel.connectOverCDP({190      endpointURL,191      headers,192      slowMo: params.slowMo,193      timeout: params.timeout194    });195    const browser = _browser3.Browser.from(result.browser);196    if (result.defaultContext) browser._contexts.add(_browserContext.BrowserContext.from(result.defaultContext));197    browser._logger = params.logger;198    browser._setBrowserType(this);199    browser._localUtils = this._playwright._utils;200    return browser;201  }202}203exports.BrowserType = BrowserType;

index.js

Source:index.js

...13conf.accounts.forEach((account) => {14  const dolphin = new Dolphin({ profile_name: account.profile_name });15  dolphin.once("profile_started", main);16  async function main({ port, wsEndpoint }) {17    const browser = await chromium.connectOverCDP(18      `ws://127.0.0.1:${port}${wsEndpoint}`19    );20    const context = browser.contexts()[0];21    await closePages(context.pages().slice(1));22    const campaignsPage = new CampaignsPage(context.pages()[0]);23    await campaignsPage.navigate();24    account.campaigns.forEach(async (cmp) => {25      const url = await campaignsPage.getCampaignUrl(cmp.id);26      const campaignPage = new CampaignPage(await context.newPage(), url);27      await campaignPage.navigate();28      await campaignPage.selectTab("ÐÑÐµ Ð³ÑÑÐ¿Ð¿Ñ");29      // await cmp.groups.forEach(async (group) => {30      //   // campaignPage.setGroupId(group.id);31      //   // const url = await campaignPage.getEditUrl();32      //   // const editPage = new EditGroupPage(await context.newPage(), url);33      //   // editPage.navigate();34      //   campaignPage.disableMainBanner();35      //   campaignPage.archiveMainBanner();36      //   // editPage.updateKeywords(group.keywords);37      //   // editPage.save;38      //   // editPage.page.close();39      //   campaignPage.selectTab("ÐÑÑÐ¸Ð²");40      //   campaignPage.unarchiveMainBanner();41      //   // TODO: Async waiting for moderation42      //   // await campaignPage.enableMainBanner();43      //   campaignPage.clearGroupId();44      // });45    });46  }47});48function getBrowserContext() {49  return new Promise((res) => {50    const dolphin = new Dolphin({ profile_name: account.profile_name });51    dolphin.once("profile_started", main);52    async function main({ port, wsEndpoint }) {53      const browser = await chromium.connectOverCDP(54        `ws://127.0.0.1:${port}${wsEndpoint}`55      );56      const context = browser.contexts()[0];57      await closePages(context.pages().slice(1));58      return res({ context });59    }60  });...

browserTypeDispatcher.js

Source:browserTypeDispatcher.js

...39    return {40      context: new _browserContextDispatcher.BrowserContextDispatcher(this._scope, browserContext)41    };42  }43  async connectOverCDP(params, metadata) {44    const browser = await this._object.connectOverCDP(metadata, params.endpointURL, params, params.timeout);45    const browserDispatcher = new _browserDispatcher.BrowserDispatcher(this._scope, browser);46    return {47      browser: browserDispatcher,48      defaultContext: browser._defaultContext ? new _browserContextDispatcher.BrowserContextDispatcher(browserDispatcher._scope, browser._defaultContext) : undefined49    };50  }51}...

scrape.js

Source:scrape.js

...31  );32  return song;33};34(async () => {35  const browser = await chromium.connectOverCDP({36    endpointURL: 'http://127.0.0.1:4444',37  });38  const context = browser.contexts()[0];39  const page = await detectAMQ(context);40  page.setDefaultTimeout(0);41  await checkQuit(page);42  while (true) {43    await page.waitForSelector('#qpAnimeNameHider', { state: 'visible' });44    await page.waitForSelector('#qpAnimeNameHider', { state: 'hidden' });45    const song = await getSong(page);46    await saveSong(song);47  }...

repoduction.js

Source:repoduction.js

...22  // BEGIN: Try to connect to previously created Chromium session via CDP23  const [{ webSocketDebuggerUrl: debugWsUrl }] = await fetch(24    "http://localhost:9222/json/list"25  ).then((r) => r.json());26  const browserTwo = await chromium.connectOverCDP(debugWsUrl);27  // Shows 1 context28  console.log(29    "Number of contexts in CDP browser session: ",30    browserTwo.contexts().length31  );32  const contextTwo = browserTwo.contexts()[0];33  // Shows 0 pages34  console.log(35    "Number of pages in CDP browser session: ",36    contextTwo.pages().length37  );38  // Creating a new page blows up with error:39  //40  // browserContext.newPage: Cannot read property 'pageOrError' of undefined...

test.js

Source:test.js

...17  browser.close()18  // needs a running browser to work19  // use --remote-debugging-port=922220  // if using --headless the test will pass, otherwise not21  let browserCDP = await chromium.connectOverCDP({22    endpointURL: 'http://localhost:9222',23    headless: false,24    slowMo: 10025  });26  const contextCDP = await browserCDP.newContext({27    viewport: {28      width: 1280, // 1280 in commit 1ee657829      height: 720, // 720 in commit 1ee657830    }31  })32  const pageCDP = await contextCDP.newPage();33  await pageCDP.goto('http://localhost:3000');34  await pageCDP.hover('button');35  await pageCDP.click('[data-testid=facebook]')...

fixtures.js

Source:fixtures.js

1const base = require('@playwright/test');2exports.test = base.test.extend({3  browser: async ({ playwright, browser }, use, workerInfo) => {4    // Use browserless if configured5    // Currently using .connectOverCDP()6    if (workerInfo.project.name.match(/browserless/)) {7      const vBrowser = await playwright.chromium.connectOverCDP({8        endpointURL: 'ws://localhost:3003'9      });10      //playwright endpoint for .connect()11      //const vBrowser = await playwright.chromium.connect({12      //  wsEndpoint: 'wss://<url>'13      //})14      await use(vBrowser);15    } else {16      // Use Local Browser for testing.17      await use(browser);18    }19  },...

issue.test.js

Source:issue.test.js

...4  http.createServer((req, resp) => {5    resp.end(JSON.stringify({}))6  }).listen(9000)7  try {8    await chromium.connectOverCDP({9      endpointURL: "http://localhost:9000",10    });11  } catch (error) {12    debugger13    console.log(error)14    throw error15  }...

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.connectOverCDP({4  });5  const page = await browser.newPage();6  await page.screenshot({ path: 'example.png' });7  await browser.close();8})();9const playwright = require('playwright-core');10(async () => {11  const browser = await playwright.chromium.connectOverCDP({12  });13  const page = await browser.newPage();14  await page.screenshot({ path: 'example.png' });15  await browser.close();16})();17const playwright = require('playwright');18(async () => {19  const browser = await playwright.chromium.connectOverCDP({20  });21  const page = await browser.newPage();22  await page.screenshot({ path: 'example.png' });23  await browser.close();24})();25const playwright = require('playwright');26(async () => {27  const browser = await playwright.chromium.connectOverCDP({28  });

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.connectOverCDP({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: `example.png` });8  await browser.close();9})();10const playwright = require('playwright');11(async () => {12  const browser = await playwright.chromium.connectOverCDP({13  });14  const context = await browser.newContext();15  const page = await context.newPage();16  await page.screenshot({ path: `example.png` });17  await browser.close();18})();19- [`playwright.browsers()`](./docs/api.md#playwrightbrowsers)20- [`playwright.chromium`](./docs/api.md#playwrightchromium)21- [`playwright.firefox`](./docs/api.md#playwrightfirefox)22- [`playwright.webkit`](./docs/api.md#playwrightwebkit)23- [`playwright.executablePath()`](./docs/api.md#playwrightexecutablepath)24- [`playwright.selectors`](./docs/api.md#playwrightselectors)25- [`browser.newContext([options])`](./docs/api.md#browsernewcontextoptions)26- [`context.close()`](./docs/api.md#contextclose)27- [`context.clearCookies()`](./docs/api.md#contextclearcookies)28- [`context.clearPermissions()`](./docs/api.md#contextclearpermissions)29- [`context.setGeolocation(options)`](./docs/api.md#contextsetgeolocationoptions)30- [`context.setHTTPCredentials(httpCredentials)`](./docs/api.md#contextsethttpcredentialshttpcredentials)31- [`context.setOffline(offline)`](./docs/api.md#contextsetofflineoffline)32- [`context.addCookies(co

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright['chromium'].connectOverCDP({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: `example.png` });8  await browser.close();9})();10- [Example of using Playwright to automate browser tests](

Using AI Code Generation

1const { chromium } = require('playwright');2const { connectOverCDP } = require('playwright/lib/server/remote/playwright');3(async () => {4  const browser = await chromium.launch();5  const browserWSEndpoint = browser.wsEndpoint();6  await browser.close();7  const cdpConnection = await connectOverCDP(browserWSEndpoint);8  const { Page, Runtime } = cdpConnection;9  await Page.enable();10  await Runtime.enable();11  const { result: { value } } = await Runtime.evaluate({ expression: '7 * 8' });12  console.log('Answer:', value);13  await cdpConnection.close();14})();15#### cdpConnection.close()16#### cdpConnection.on(event, handler)17#### cdpConnection.once(event, handler)18#### cdpConnection.removeListener(event, handler)19#### cdpConnection.removeAllListeners([event])20#### cdpConnection.send(method[, params])21[Apache 2.0](./LICENSE)

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.connectOverCDP({4  });5  const page = await browser.newPage();6  await browser.close();7})();8import { chromium } from 'playwright';9(async () => {10  const browser = await chromium.connectOverCDP({11  });12  const page = await browser.newPage();13  await browser.close();14})();15module.exports = {16  module: {17      {

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.connectOverCDP({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: `example.png` });8  await browser.close();9})();10### connectOverCDP([options])

Using AI Code Generation

1const playwright = require('playwright-core');2(async () => {3  const browser = await playwright.chromium.connectOverCDP({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: `example.png` });8  await browser.close();9})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.connectOverCDP({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: `example.png` });8  await browser.close();9})();

Playwright tutorial

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Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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