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How to use _clientRootSession method in Playwright Internal
Best JavaScript code snippet using playwright-internal
crBrowser.js
Source:crBrowser.js 
...247 }248 isConnected() {249 return !this._connection._closed;250 }251 async _clientRootSession() {252 if (!this._clientRootSessionPromise) this._clientRootSessionPromise = this._connection.createBrowserSession();253 return this._clientRootSessionPromise;254 }255}256exports.CRBrowser = CRBrowser;257class CRServiceWorker extends _page.Worker {258 constructor(browserContext, session, url) {259 super(browserContext, url);260 this._browserContext = void 0;261 this._browserContext = browserContext;262 session.once('Runtime.executionContextCreated', event => {263 this._createExecutionContext(new _crExecutionContext.CRExecutionContext(session, event.context));264 }); // This might fail if the target is closed before we receive all execution contexts.265 session.send('Runtime.enable', {}).catch(e => {});266 session.send('Runtime.runIfWaitingForDebugger').catch(e => {});267 }268}269class CRBrowserContext extends _browserContext.BrowserContext {270 constructor(browser, browserContextId, options) {271 super(browser, options, browserContextId);272 this._evaluateOnNewDocumentSources = void 0;273 this._evaluateOnNewDocumentSources = [];274 this._authenticateProxyViaCredentials();275 }276 async _initialize() {277 (0, _utils.assert)(!Array.from(this._browser._crPages.values()).some(page => page._browserContext === this));278 const promises = [super._initialize()];279 if (this._browser.options.name !== 'electron' && this._browser.options.name !== 'clank') {280 promises.push(this._browser._session.send('Browser.setDownloadBehavior', {281 behavior: this._options.acceptDownloads ? 'allowAndName' : 'deny',282 browserContextId: this._browserContextId,283 downloadPath: this._browser.options.downloadsPath,284 eventsEnabled: true285 }));286 }287 if (this._options.permissions) promises.push(this.grantPermissions(this._options.permissions));288 await Promise.all(promises);289 }290 pages() {291 const result = [];292 for (const crPage of this._browser._crPages.values()) {293 if (crPage._browserContext === this && crPage._initializedPage) result.push(crPage._initializedPage);294 }295 return result;296 }297 async newPageDelegate() {298 (0, _browserContext.assertBrowserContextIsNotOwned)(this);299 const oldKeys = this._browser.isClank() ? new Set(this._browser._crPages.keys()) : undefined;300 let {301 targetId302 } = await this._browser._session.send('Target.createTarget', {303 url: 'about:blank',304 browserContextId: this._browserContextId305 });306 if (oldKeys) {307 // Chrome for Android returns tab ids (1, 2, 3, 4, 5) instead of content target ids here, work around it via the308 // heuristic assuming that there is only one page created at a time.309 const newKeys = new Set(this._browser._crPages.keys()); // Remove old keys.310 for (const key of oldKeys) newKeys.delete(key); // Remove potential concurrent popups.311 for (const key of newKeys) {312 const page = this._browser._crPages.get(key);313 if (page._opener) newKeys.delete(key);314 }315 (0, _utils.assert)(newKeys.size === 1);316 [targetId] = [...newKeys];317 }318 return this._browser._crPages.get(targetId);319 }320 async _doCookies(urls) {321 const {322 cookies323 } = await this._browser._session.send('Storage.getCookies', {324 browserContextId: this._browserContextId325 });326 return network.filterCookies(cookies.map(c => {327 const copy = {328 sameSite: 'Lax',329 ...c330 };331 delete copy.size;332 delete copy.priority;333 delete copy.session;334 delete copy.sameParty;335 delete copy.sourceScheme;336 delete copy.sourcePort;337 return copy;338 }), urls);339 }340 async addCookies(cookies) {341 await this._browser._session.send('Storage.setCookies', {342 cookies: network.rewriteCookies(cookies),343 browserContextId: this._browserContextId344 });345 }346 async clearCookies() {347 await this._browser._session.send('Storage.clearCookies', {348 browserContextId: this._browserContextId349 });350 }351 async _doGrantPermissions(origin, permissions) {352 const webPermissionToProtocol = new Map([['geolocation', 'geolocation'], ['midi', 'midi'], ['notifications', 'notifications'], ['camera', 'videoCapture'], ['microphone', 'audioCapture'], ['background-sync', 'backgroundSync'], ['ambient-light-sensor', 'sensors'], ['accelerometer', 'sensors'], ['gyroscope', 'sensors'], ['magnetometer', 'sensors'], ['accessibility-events', 'accessibilityEvents'], ['clipboard-read', 'clipboardReadWrite'], ['clipboard-write', 'clipboardSanitizedWrite'], ['payment-handler', 'paymentHandler'], // chrome-specific permissions we have.353 ['midi-sysex', 'midiSysex']]);354 const filtered = permissions.map(permission => {355 const protocolPermission = webPermissionToProtocol.get(permission);356 if (!protocolPermission) throw new Error('Unknown permission: ' + permission);357 return protocolPermission;358 });359 await this._browser._session.send('Browser.grantPermissions', {360 origin: origin === '*' ? undefined : origin,361 browserContextId: this._browserContextId,362 permissions: filtered363 });364 }365 async _doClearPermissions() {366 await this._browser._session.send('Browser.resetPermissions', {367 browserContextId: this._browserContextId368 });369 }370 async setGeolocation(geolocation) {371 (0, _browserContext.verifyGeolocation)(geolocation);372 this._options.geolocation = geolocation;373 for (const page of this.pages()) await page._delegate.updateGeolocation();374 }375 async setExtraHTTPHeaders(headers) {376 this._options.extraHTTPHeaders = headers;377 for (const page of this.pages()) await page._delegate.updateExtraHTTPHeaders();378 }379 async setOffline(offline) {380 this._options.offline = offline;381 for (const page of this.pages()) await page._delegate.updateOffline();382 }383 async _doSetHTTPCredentials(httpCredentials) {384 this._options.httpCredentials = httpCredentials;385 for (const page of this.pages()) await page._delegate.updateHttpCredentials();386 }387 async _doAddInitScript(source) {388 this._evaluateOnNewDocumentSources.push(source);389 for (const page of this.pages()) await page._delegate.evaluateOnNewDocument(source);390 }391 async _doExposeBinding(binding) {392 for (const page of this.pages()) await page._delegate.exposeBinding(binding);393 }394 async _doUpdateRequestInterception() {395 for (const page of this.pages()) await page._delegate.updateRequestInterception();396 }397 async _doClose() {398 (0, _utils.assert)(this._browserContextId);399 await this._browser._session.send('Target.disposeBrowserContext', {400 browserContextId: this._browserContextId401 });402 this._browser._contexts.delete(this._browserContextId);403 for (const [targetId, serviceWorker] of this._browser._serviceWorkers) {404 if (serviceWorker._browserContext !== this) continue; // When closing a browser context, service workers are shutdown405 // asynchronously and we get detached from them later.406 // To avoid the wrong order of notifications, we manually fire407 // "close" event here and forget about the serivce worker.408 serviceWorker.didClose();409 this._browser._serviceWorkers.delete(targetId);410 }411 }412 _onClosePersistent() {413 // When persistent context is closed, we do not necessary get Target.detachedFromTarget414 // for all the background pages.415 for (const [targetId, backgroundPage] of this._browser._backgroundPages.entries()) {416 if (backgroundPage._browserContext === this && backgroundPage._initializedPage) {417 backgroundPage.didClose();418 this._browser._backgroundPages.delete(targetId);419 }420 }421 }422 async _doCancelDownload(guid) {423 // The upstream CDP method is implemented in a way that no explicit error would be given424 // regarding the requested `guid`, even if the download is in a state not suitable for425 // cancellation (finished, cancelled, etc.) or the guid is invalid at all.426 await this._browser._session.send('Browser.cancelDownload', {427 guid: guid,428 browserContextId: this._browserContextId429 });430 }431 backgroundPages() {432 const result = [];433 for (const backgroundPage of this._browser._backgroundPages.values()) {434 if (backgroundPage._browserContext === this && backgroundPage._initializedPage) result.push(backgroundPage._initializedPage);435 }436 return result;437 }438 serviceWorkers() {439 return Array.from(this._browser._serviceWorkers.values()).filter(serviceWorker => serviceWorker._browserContext === this);440 }441 async newCDPSession(page) {442 let targetId = null;443 if (page instanceof _page.Page) {444 targetId = page._delegate._targetId;445 } else if (page instanceof _frames.Frame) {446 const session = page._page._delegate._sessions.get(page._id);447 if (!session) throw new Error(`This frame does not have a separate CDP session, it is a part of the parent frame's session`);448 targetId = session._targetId;449 } else {450 throw new Error('page: expected Page or Frame');451 }452 const rootSession = await this._browser._clientRootSession();453 const {454 sessionId455 } = await rootSession.send('Target.attachToTarget', {456 targetId,457 flatten: true458 });459 return this._browser._connection.session(sessionId);460 }461}462exports.CRBrowserContext = CRBrowserContext;463CRBrowserContext.CREvents = {464 BackgroundPage: 'backgroundpage',465 ServiceWorker: 'serviceworker'466};
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({4 });5 const context = await browser.newContext();6 const page = await context.newPage();7 const client = await page.context()._clientRootSession();8 await client.send('Page.setDownloadBehavior', {9 });10 await page.click('text=Images');11 await page.click('img[al
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const client = await page.context()._clientRootSession();6 await page.waitForNavigation();7 console.log(page.url());8 await browser.close();9})();10const {chromium} = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const page = await browser.newPage();14 const client = await page.context()._clientRootSession();15 const {userAgent} = await client.send('Browser.getVersion');16 console.log(userAgent);17 await browser.close();18})();19const {chromium} = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const page = await browser.newPage();23 const client = await page.context()._clientRootSession();24 await client.send('Browser.setUserAgentOverride', {userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36'});25 await browser.close();26})();
Using AI Code Generation
1const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');2const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');3const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');4const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');5const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');6const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');7const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');8const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');9const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');10const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');11const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');12const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');13const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');14const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');15const { _clientRootSession }
Using AI Code Generation
1const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');2const { _clientRootSession } = require('playwright/lib/server/firefox/fxBrowser');3const { _clientRootSession } = require('playwright/lib/server/webkit/wkBrowser');4const { _clientRootSession } = require('playwright/lib/server/chromium/crBrowser');5const { _clientRootSession } = require('playwright/lib/server/firefox/fxBrowser');6const { _clientRootSession } = require('playwright/lib/server/webkit/wkBrowser');
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 const session = await page._clientRootSession();6 const { result } = await session.send('Runtime.evaluate', { expression: 'navigator.userAgent' });7 console.log(result.value);8 await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch({ headless: false });13 const page = await browser.newPage();14 const session = await page._clientRootSession();15 const { result } = await session.send('Runtime.evaluate', { expression: 'navigator.userAgent' });16 console.log(result.value);17 await browser.close();18})();19const { chromium } = require('playwright');20(async () => {21 const browser = await chromium.launch({ headless: false });22 const page = await browser.newPage();23 const session = await page._clientRootSession();24 const { result } = await session.send('Runtime.evaluate', { expression: 'navigator.userAgent' });25 console.log(result.value);26 await browser.close();27})();28const { chromium } = require('playwright');29(async () => {30 const browser = await chromium.launch({ headless: false });31 const page = await browser.newPage();32 const session = await page._clientRootSession();33 const { result } = await session.send('Runtime.evaluate', { expression: 'navigator.userAgent' });34 console.log(result.value);35 await browser.close();36})();37const { chromium } = require('playwright
Using AI Code Generation
1const { chromium } = require('playwright');2const { _clientRootSession } = require('playwright/lib/client/client.js');3const browser = await chromium.launch({ headless: false });4const page = await browser.newPage();5const client = await _clientRootSession(page);6await client.send('Page.enable');7await client.send('Page.setDownloadBehavior', {8});9await page.click('#L2AGLb > .jyfHyd');10await page.click('text="Save"');11await page.click('text="Save"');12await page.click('text="Download"');13await page.close();14await browser.close();15You can get the file name from the network request. You can use the page.on('requestfinished') event to get the file name from the request.url16const { chromium } = require('playwright');17const { _clientRootSession } = require('playwright/lib/client/client.js');18const browser = await chromium.launch({ headless: false });19const page = await browser.newPage();20const client = await _clientRootSession(page);21await client.send('Page.enable');22await client.send('Page.setDownloadBehavior', {23});24await page.click('#L2AGLb > .jyfHyd');25await page.click('text="Save"');26await page.click('text="Save"');
Using AI Code Generation
1const { _clientRootSession } = require('playwright/lib/client/clientHelper');2const { Page } = require('playwright/lib/client/page');3const { BrowserContext } = require('playwright/lib/client/browserContext');4(async () => {5 const page = await context.newPage();6 const session = await _clientRootSession(page);7 const { pageId } = Page.from(page);8 const { browserContextId } = BrowserContext.from(context);9 const frameId = page.mainFrame()._id;10 const frameTree = await session.send('Page.getFrameTree');11 const frameId = frameTree.frameTree.frame.id;12 const targetId = await session.send('Page.getFrameTree', { frameId });13 const targetId = frameTree.frameTree.frame.id;14})()15const { _clientRootSession } = require('playwright/lib/client/clientHelper');16const { Page } = require('playwright/lib/client/page');17const { BrowserContext } = require('playwright/lib/client/browserContext');18(async () => {19 const page = await context.newPage();20 const session = await _clientRootSession(page);21 const { pageId } = Page.from(page);22 const { browserContextId } = BrowserContext.from(context);23 const frameId = page.mainFrame()._id;24 const frameTree = await session.send('Page.getFrameTree');25 const frameId = frameTree.frameTree.frame.id;26 const targetId = await session.send('Page.getFrameTree', { frameId });27 const targetId = frameTree.frameTree.frame.id;28})()29const { _clientRoot
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 const clientRootSession = await page._clientRootSession();6 await clientRootSession.send('Page.setDownloadBehavior', {7 });8 await page.click('a[href="/chrome/browser/desktop/"]');9 await browser.close();10})();11const playwright = require('playwright');12(async () => {13 const browser = await playwright.chromium.launch();14 const page = await browser.newPage();15 await page._client.send('Page.setDownloadBehavior', {16 });17 await page.click('a[href="/chrome/browser/desktop/"]');18 await browser.close();19})();20const playwright = require('playwright');21(async () => {22 const browser = await playwright.chromium.launch();23 const page = await browser.newPage();24 await page._client.send('Page.setDownloadBehavior', {25 });26 await page.click('a[href="/chrome/browser/desktop/"]');27 await browser.close();28})();29const playwright = require('playwright');30(async () => {31 const browser = await playwright.chromium.launch();32 const page = await browser.newPage();33 await page._client.send('Page.setDownloadBehavior', {34 });35 await page.click('a[href="/chrome/browser/desktop
Using AI Code Generation
1const { _clientRootSession } = require("playwright");2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const cookies = await _clientRootSession(page).send("Network.getAllCookies");7 console.log(cookies.cookies);8})();9import { _clientRootSession } from "playwright";10(async () => {11 const browser = await chromium.launch();12 const context = await browser.newContext();13 const page = await context.newPage();14 const cookies = await _clientRootSession(page).send("Network.getAllCookies");15 console.log(cookies.cookies);16})();17from playwright.sync_api import sync_playwright18with sync_playwright() as p:19 browser = p.chromium.launch()20 context = browser.new_context()21 page = context.new_page()22 cookies = page._client_root_session.send("Network.getAllCookies")23 print(cookies.cookies)24# {
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