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How to use _removeEvaluatesOnNewDocument method in Playwright Internal
Best JavaScript code snippet using playwright-internal
crPage.js
Source:crPage.js 
...212 async addInitScript(source, world = 'main') {213 await this._forAllFrameSessions(frame => frame._evaluateOnNewDocument(source, world));214 }215 async removeInitScripts() {216 await this._forAllFrameSessions(frame => frame._removeEvaluatesOnNewDocument());217 }218 async closePage(runBeforeUnload) {219 if (runBeforeUnload) await this._mainFrameSession._client.send('Page.close');else await this._browserContext._browser._closePage(this);220 }221 async setBackgroundColor(color) {222 await this._mainFrameSession._client.send('Emulation.setDefaultBackgroundColorOverride', {223 color224 });225 }226 async takeScreenshot(progress, format, documentRect, viewportRect, quality, fitsViewport, scale) {227 const {228 visualViewport229 } = await this._mainFrameSession._client.send('Page.getLayoutMetrics');230 if (!documentRect) {231 documentRect = {232 x: visualViewport.pageX + viewportRect.x,233 y: visualViewport.pageY + viewportRect.y,234 ..._helper.helper.enclosingIntSize({235 width: viewportRect.width / visualViewport.scale,236 height: viewportRect.height / visualViewport.scale237 })238 };239 } // When taking screenshots with documentRect (based on the page content, not viewport),240 // ignore current page scale.241 const clip = { ...documentRect,242 scale: viewportRect ? visualViewport.scale : 1243 };244 if (scale === 'css') {245 const deviceScaleFactor = this._browserContext._options.deviceScaleFactor || 1;246 clip.scale /= deviceScaleFactor;247 }248 progress.throwIfAborted();249 const result = await this._mainFrameSession._client.send('Page.captureScreenshot', {250 format,251 quality,252 clip,253 captureBeyondViewport: !fitsViewport254 });255 return Buffer.from(result.data, 'base64');256 }257 async getContentFrame(handle) {258 return this._sessionForHandle(handle)._getContentFrame(handle);259 }260 async getOwnerFrame(handle) {261 return this._sessionForHandle(handle)._getOwnerFrame(handle);262 }263 isElementHandle(remoteObject) {264 return remoteObject.subtype === 'node';265 }266 async getBoundingBox(handle) {267 return this._sessionForHandle(handle)._getBoundingBox(handle);268 }269 async scrollRectIntoViewIfNeeded(handle, rect) {270 return this._sessionForHandle(handle)._scrollRectIntoViewIfNeeded(handle, rect);271 }272 async setScreencastOptions(options) {273 if (options) {274 await this._mainFrameSession._startScreencast(this, {275 format: 'jpeg',276 quality: options.quality,277 maxWidth: options.width,278 maxHeight: options.height279 });280 } else {281 await this._mainFrameSession._stopScreencast(this);282 }283 }284 rafCountForStablePosition() {285 return 1;286 }287 async getContentQuads(handle) {288 return this._sessionForHandle(handle)._getContentQuads(handle);289 }290 async setInputFiles(handle, files) {291 await handle.evaluateInUtility(([injected, node, files]) => injected.setInputFiles(node, files), files);292 }293 async setInputFilePaths(handle, files) {294 const frame = await handle.ownerFrame();295 if (!frame) throw new Error('Cannot set input files to detached input element');296 const parentSession = this._sessionForFrame(frame);297 await parentSession._client.send('DOM.setFileInputFiles', {298 objectId: handle._objectId,299 files300 });301 }302 async adoptElementHandle(handle, to) {303 return this._sessionForHandle(handle)._adoptElementHandle(handle, to);304 }305 async getAccessibilityTree(needle) {306 return (0, _crAccessibility.getAccessibilityTree)(this._mainFrameSession._client, needle);307 }308 async inputActionEpilogue() {309 await this._mainFrameSession._client.send('Page.enable').catch(e => {});310 }311 async pdf(options) {312 return this._pdf.generate(options);313 }314 coverage() {315 return this._coverage;316 }317 async getFrameElement(frame) {318 let parent = frame.parentFrame();319 if (!parent) throw new Error('Frame has been detached.');320 const parentSession = this._sessionForFrame(parent);321 const {322 backendNodeId323 } = await parentSession._client.send('DOM.getFrameOwner', {324 frameId: frame._id325 }).catch(e => {326 if (e instanceof Error && e.message.includes('Frame with the given id was not found.')) (0, _stackTrace.rewriteErrorMessage)(e, 'Frame has been detached.');327 throw e;328 });329 parent = frame.parentFrame();330 if (!parent) throw new Error('Frame has been detached.');331 return parentSession._adoptBackendNodeId(backendNodeId, await parent._mainContext());332 }333}334exports.CRPage = CRPage;335class FrameSession {336 // Marks the oopif session that remote -> local transition has happened in the parent.337 // See Target.detachedFromTarget handler for details.338 constructor(crPage, client, targetId, parentSession) {339 this._client = void 0;340 this._crPage = void 0;341 this._page = void 0;342 this._networkManager = void 0;343 this._contextIdToContext = new Map();344 this._eventListeners = [];345 this._targetId = void 0;346 this._firstNonInitialNavigationCommittedPromise = void 0;347 this._firstNonInitialNavigationCommittedFulfill = () => {};348 this._firstNonInitialNavigationCommittedReject = e => {};349 this._windowId = void 0;350 this._swappedIn = false;351 this._videoRecorder = null;352 this._screencastId = null;353 this._screencastClients = new Set();354 this._evaluateOnNewDocumentIdentifiers = [];355 this._exposedBindingNames = [];356 this._client = client;357 this._crPage = crPage;358 this._page = crPage._page;359 this._targetId = targetId;360 this._networkManager = new _crNetworkManager.CRNetworkManager(client, this._page, parentSession ? parentSession._networkManager : null);361 this._firstNonInitialNavigationCommittedPromise = new Promise((f, r) => {362 this._firstNonInitialNavigationCommittedFulfill = f;363 this._firstNonInitialNavigationCommittedReject = r;364 });365 client.once(_crConnection.CRSessionEvents.Disconnected, () => {366 this._firstNonInitialNavigationCommittedReject(new Error('Page closed'));367 });368 }369 _isMainFrame() {370 return this._targetId === this._crPage._targetId;371 }372 _addRendererListeners() {373 this._eventListeners.push(...[_eventsHelper.eventsHelper.addEventListener(this._client, 'Log.entryAdded', event => this._onLogEntryAdded(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.fileChooserOpened', event => this._onFileChooserOpened(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.frameAttached', event => this._onFrameAttached(event.frameId, event.parentFrameId)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.frameDetached', event => this._onFrameDetached(event.frameId, event.reason)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.frameNavigated', event => this._onFrameNavigated(event.frame, false)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.frameRequestedNavigation', event => this._onFrameRequestedNavigation(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.frameStoppedLoading', event => this._onFrameStoppedLoading(event.frameId)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.javascriptDialogOpening', event => this._onDialog(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.navigatedWithinDocument', event => this._onFrameNavigatedWithinDocument(event.frameId, event.url)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Runtime.bindingCalled', event => this._onBindingCalled(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Runtime.consoleAPICalled', event => this._onConsoleAPI(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Runtime.exceptionThrown', exception => this._handleException(exception.exceptionDetails)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Runtime.executionContextCreated', event => this._onExecutionContextCreated(event.context)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Runtime.executionContextDestroyed', event => this._onExecutionContextDestroyed(event.executionContextId)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Runtime.executionContextsCleared', event => this._onExecutionContextsCleared()), _eventsHelper.eventsHelper.addEventListener(this._client, 'Target.attachedToTarget', event => this._onAttachedToTarget(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Target.detachedFromTarget', event => this._onDetachedFromTarget(event))]);374 }375 _addBrowserListeners() {376 this._eventListeners.push(...[_eventsHelper.eventsHelper.addEventListener(this._client, 'Inspector.targetCrashed', event => this._onTargetCrashed()), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.screencastFrame', event => this._onScreencastFrame(event)), _eventsHelper.eventsHelper.addEventListener(this._client, 'Page.windowOpen', event => this._onWindowOpen(event))]);377 }378 async _initialize(hasUIWindow) {379 const isSettingStorageState = this._page._browserContext.isSettingStorageState();380 if (!isSettingStorageState && hasUIWindow && !this._crPage._browserContext._browser.isClank() && !this._crPage._browserContext._options.noDefaultViewport) {381 const {382 windowId383 } = await this._client.send('Browser.getWindowForTarget');384 this._windowId = windowId;385 }386 let screencastOptions;387 if (!isSettingStorageState && this._isMainFrame() && this._crPage._browserContext._options.recordVideo && hasUIWindow) {388 const screencastId = (0, _utils.createGuid)();389 const outputFile = _path.default.join(this._crPage._browserContext._options.recordVideo.dir, screencastId + '.webm');390 screencastOptions = { // validateBrowserContextOptions ensures correct video size.391 ...this._crPage._browserContext._options.recordVideo.size,392 outputFile393 };394 await this._crPage._browserContext._ensureVideosPath(); // Note: it is important to start video recorder before sending Page.startScreencast,395 // and it is equally important to send Page.startScreencast before sending Runtime.runIfWaitingForDebugger.396 await this._createVideoRecorder(screencastId, screencastOptions);397 this._crPage.pageOrError().then(p => {398 if (p instanceof Error) this._stopVideoRecording().catch(() => {});399 });400 }401 let lifecycleEventsEnabled;402 if (!this._isMainFrame()) this._addRendererListeners();403 this._addBrowserListeners();404 const promises = [this._client.send('Page.enable'), this._client.send('Page.getFrameTree').then(({405 frameTree406 }) => {407 if (this._isMainFrame()) {408 this._handleFrameTree(frameTree);409 this._addRendererListeners();410 }411 const localFrames = this._isMainFrame() ? this._page.frames() : [this._page._frameManager.frame(this._targetId)];412 for (const frame of localFrames) {413 // Note: frames might be removed before we send these.414 this._client._sendMayFail('Page.createIsolatedWorld', {415 frameId: frame._id,416 grantUniveralAccess: true,417 worldName: UTILITY_WORLD_NAME418 });419 for (const binding of this._crPage._browserContext._pageBindings.values()) frame.evaluateExpression(binding.source, false, undefined).catch(e => {});420 for (const source of this._crPage._browserContext.initScripts) frame.evaluateExpression(source, false, undefined, 'main').catch(e => {});421 }422 const isInitialEmptyPage = this._isMainFrame() && this._page.mainFrame().url() === ':';423 if (isInitialEmptyPage) {424 // Ignore lifecycle events for the initial empty page. It is never the final page425 // hence we are going to get more lifecycle updates after the actual navigation has426 // started (even if the target url is about:blank).427 lifecycleEventsEnabled.catch(e => {}).then(() => {428 this._eventListeners.push(_eventsHelper.eventsHelper.addEventListener(this._client, 'Page.lifecycleEvent', event => this._onLifecycleEvent(event)));429 });430 } else {431 this._firstNonInitialNavigationCommittedFulfill();432 this._eventListeners.push(_eventsHelper.eventsHelper.addEventListener(this._client, 'Page.lifecycleEvent', event => this._onLifecycleEvent(event)));433 }434 }), this._client.send('Log.enable', {}), lifecycleEventsEnabled = this._client.send('Page.setLifecycleEventsEnabled', {435 enabled: true436 }), this._client.send('Runtime.enable', {}), this._client.send('Page.addScriptToEvaluateOnNewDocument', {437 source: '',438 worldName: UTILITY_WORLD_NAME439 }), this._networkManager.initialize(), this._client.send('Target.setAutoAttach', {440 autoAttach: true,441 waitForDebuggerOnStart: true,442 flatten: true443 })];444 if (!isSettingStorageState) {445 if (this._isMainFrame()) promises.push(this._client.send('Emulation.setFocusEmulationEnabled', {446 enabled: true447 }));448 const options = this._crPage._browserContext._options;449 if (options.bypassCSP) promises.push(this._client.send('Page.setBypassCSP', {450 enabled: true451 }));452 if (options.ignoreHTTPSErrors) promises.push(this._client.send('Security.setIgnoreCertificateErrors', {453 ignore: true454 }));455 if (this._isMainFrame()) promises.push(this._updateViewport());456 if (options.hasTouch) promises.push(this._client.send('Emulation.setTouchEmulationEnabled', {457 enabled: true458 }));459 if (options.javaScriptEnabled === false) promises.push(this._client.send('Emulation.setScriptExecutionDisabled', {460 value: true461 }));462 if (options.userAgent || options.locale) promises.push(this._client.send('Emulation.setUserAgentOverride', {463 userAgent: options.userAgent || '',464 acceptLanguage: options.locale465 }));466 if (options.locale) promises.push(emulateLocale(this._client, options.locale));467 if (options.timezoneId) promises.push(emulateTimezone(this._client, options.timezoneId));468 if (!this._crPage._browserContext._browser.options.headful) promises.push(this._setDefaultFontFamilies(this._client));469 promises.push(this._updateGeolocation(true));470 promises.push(this._updateExtraHTTPHeaders(true));471 promises.push(this._updateRequestInterception());472 promises.push(this._updateOffline(true));473 promises.push(this._updateHttpCredentials(true));474 promises.push(this._updateEmulateMedia(true));475 for (const binding of this._crPage._page.allBindings()) promises.push(this._initBinding(binding));476 for (const source of this._crPage._browserContext.initScripts) promises.push(this._evaluateOnNewDocument(source, 'main'));477 for (const source of this._crPage._page.initScripts) promises.push(this._evaluateOnNewDocument(source, 'main'));478 if (screencastOptions) promises.push(this._startVideoRecording(screencastOptions));479 }480 promises.push(this._client.send('Runtime.runIfWaitingForDebugger'));481 promises.push(this._firstNonInitialNavigationCommittedPromise);482 await Promise.all(promises);483 }484 dispose() {485 _eventsHelper.eventsHelper.removeEventListeners(this._eventListeners);486 this._networkManager.dispose();487 this._crPage._sessions.delete(this._targetId);488 }489 async _navigate(frame, url, referrer) {490 const response = await this._client.send('Page.navigate', {491 url,492 referrer,493 frameId: frame._id494 });495 if (response.errorText) throw new Error(`${response.errorText} at ${url}`);496 return {497 newDocumentId: response.loaderId498 };499 }500 _onLifecycleEvent(event) {501 if (this._eventBelongsToStaleFrame(event.frameId)) return;502 if (event.name === 'load') this._page._frameManager.frameLifecycleEvent(event.frameId, 'load');else if (event.name === 'DOMContentLoaded') this._page._frameManager.frameLifecycleEvent(event.frameId, 'domcontentloaded');503 }504 _onFrameStoppedLoading(frameId) {505 if (this._eventBelongsToStaleFrame(frameId)) return;506 this._page._frameManager.frameStoppedLoading(frameId);507 }508 _handleFrameTree(frameTree) {509 this._onFrameAttached(frameTree.frame.id, frameTree.frame.parentId || null);510 this._onFrameNavigated(frameTree.frame, true);511 if (!frameTree.childFrames) return;512 for (const child of frameTree.childFrames) this._handleFrameTree(child);513 }514 _eventBelongsToStaleFrame(frameId) {515 const frame = this._page._frameManager.frame(frameId); // Subtree may be already gone because some ancestor navigation destroyed the oopif.516 if (!frame) return true; // When frame goes remote, parent process may still send some events517 // related to the local frame before it sends frameDetached.518 // In this case, we already have a new session for this frame, so events519 // in the old session should be ignored.520 const session = this._crPage._sessionForFrame(frame);521 return session && session !== this && !session._swappedIn;522 }523 _onFrameAttached(frameId, parentFrameId) {524 const frameSession = this._crPage._sessions.get(frameId);525 if (frameSession && frameId !== this._targetId) {526 // This is a remote -> local frame transition.527 frameSession._swappedIn = true;528 const frame = this._page._frameManager.frame(frameId); // Frame or even a whole subtree may be already gone, because some ancestor did navigate.529 if (frame) this._page._frameManager.removeChildFramesRecursively(frame);530 return;531 }532 if (parentFrameId && !this._page._frameManager.frame(parentFrameId)) {533 // Parent frame may be gone already because some ancestor frame navigated and534 // destroyed the whole subtree of some oopif, while oopif's process is still sending us events.535 // Be careful to not confuse this with "main frame navigated cross-process" scenario536 // where parentFrameId is null.537 return;538 }539 this._page._frameManager.frameAttached(frameId, parentFrameId);540 }541 _onFrameNavigated(framePayload, initial) {542 if (this._eventBelongsToStaleFrame(framePayload.id)) return;543 this._page._frameManager.frameCommittedNewDocumentNavigation(framePayload.id, framePayload.url + (framePayload.urlFragment || ''), framePayload.name || '', framePayload.loaderId, initial);544 if (!initial) this._firstNonInitialNavigationCommittedFulfill();545 }546 _onFrameRequestedNavigation(payload) {547 if (this._eventBelongsToStaleFrame(payload.frameId)) return;548 if (payload.disposition === 'currentTab') this._page._frameManager.frameRequestedNavigation(payload.frameId);549 }550 _onFrameNavigatedWithinDocument(frameId, url) {551 if (this._eventBelongsToStaleFrame(frameId)) return;552 this._page._frameManager.frameCommittedSameDocumentNavigation(frameId, url);553 }554 _onFrameDetached(frameId, reason) {555 if (this._crPage._sessions.has(frameId)) {556 // This is a local -> remote frame transtion, where557 // Page.frameDetached arrives after Target.attachedToTarget.558 // We've already handled the new target and frame reattach - nothing to do here.559 return;560 }561 if (reason === 'swap') {562 // This is a local -> remote frame transtion, where563 // Page.frameDetached arrives before Target.attachedToTarget.564 // We should keep the frame in the tree, and it will be used for the new target.565 const frame = this._page._frameManager.frame(frameId);566 if (frame) this._page._frameManager.removeChildFramesRecursively(frame);567 return;568 } // Just a regular frame detach.569 this._page._frameManager.frameDetached(frameId);570 }571 _onExecutionContextCreated(contextPayload) {572 const frame = contextPayload.auxData ? this._page._frameManager.frame(contextPayload.auxData.frameId) : null;573 if (!frame || this._eventBelongsToStaleFrame(frame._id)) return;574 const delegate = new _crExecutionContext.CRExecutionContext(this._client, contextPayload);575 let worldName = null;576 if (contextPayload.auxData && !!contextPayload.auxData.isDefault) worldName = 'main';else if (contextPayload.name === UTILITY_WORLD_NAME) worldName = 'utility';577 const context = new dom.FrameExecutionContext(delegate, frame, worldName);578 context[contextDelegateSymbol] = delegate;579 if (worldName) frame._contextCreated(worldName, context);580 this._contextIdToContext.set(contextPayload.id, context);581 }582 _onExecutionContextDestroyed(executionContextId) {583 const context = this._contextIdToContext.get(executionContextId);584 if (!context) return;585 this._contextIdToContext.delete(executionContextId);586 context.frame._contextDestroyed(context);587 }588 _onExecutionContextsCleared() {589 for (const contextId of Array.from(this._contextIdToContext.keys())) this._onExecutionContextDestroyed(contextId);590 }591 _onAttachedToTarget(event) {592 const session = _crConnection.CRConnection.fromSession(this._client).session(event.sessionId);593 if (event.targetInfo.type === 'iframe') {594 // Frame id equals target id.595 const targetId = event.targetInfo.targetId;596 const frame = this._page._frameManager.frame(targetId);597 if (!frame) return; // Subtree may be already gone due to renderer/browser race.598 this._page._frameManager.removeChildFramesRecursively(frame);599 const frameSession = new FrameSession(this._crPage, session, targetId, this);600 this._crPage._sessions.set(targetId, frameSession);601 frameSession._initialize(false).catch(e => e);602 return;603 }604 if (event.targetInfo.type !== 'worker') {605 // Ideally, detaching should resume any target, but there is a bug in the backend.606 session._sendMayFail('Runtime.runIfWaitingForDebugger').then(() => {607 this._client._sendMayFail('Target.detachFromTarget', {608 sessionId: event.sessionId609 });610 });611 return;612 }613 const url = event.targetInfo.url;614 const worker = new _page.Worker(this._page, url);615 this._page._addWorker(event.sessionId, worker);616 session.once('Runtime.executionContextCreated', async event => {617 worker._createExecutionContext(new _crExecutionContext.CRExecutionContext(session, event.context));618 }); // This might fail if the target is closed before we initialize.619 session._sendMayFail('Runtime.enable');620 session._sendMayFail('Network.enable');621 session._sendMayFail('Runtime.runIfWaitingForDebugger');622 session.on('Runtime.consoleAPICalled', event => {623 const args = event.args.map(o => worker._existingExecutionContext.createHandle(o));624 this._page._addConsoleMessage(event.type, args, (0, _crProtocolHelper.toConsoleMessageLocation)(event.stackTrace));625 });626 session.on('Runtime.exceptionThrown', exception => this._page.emit(_page.Page.Events.PageError, (0, _crProtocolHelper.exceptionToError)(exception.exceptionDetails))); // TODO: attribute workers to the right frame.627 this._networkManager.instrumentNetworkEvents(session, this._page._frameManager.frame(this._targetId));628 }629 _onDetachedFromTarget(event) {630 // This might be a worker...631 this._page._removeWorker(event.sessionId); // ... or an oopif.632 const childFrameSession = this._crPage._sessions.get(event.targetId);633 if (!childFrameSession) return; // Usually, we get frameAttached in this session first and mark child as swappedIn.634 if (childFrameSession._swappedIn) {635 childFrameSession.dispose();636 return;637 } // However, sometimes we get detachedFromTarget before frameAttached.638 // In this case we don't know wheter this is a remote frame detach,639 // or just a remote -> local transition. In the latter case, frameAttached640 // is already inflight, so let's make a safe roundtrip to ensure it arrives.641 this._client.send('Page.enable').catch(e => null).then(() => {642 // Child was not swapped in - that means frameAttached did not happen and643 // this is remote detach rather than remote -> local swap.644 if (!childFrameSession._swappedIn) this._page._frameManager.frameDetached(event.targetId);645 childFrameSession.dispose();646 });647 }648 _onWindowOpen(event) {649 this._crPage._nextWindowOpenPopupFeatures.push(event.windowFeatures);650 }651 async _onConsoleAPI(event) {652 if (event.executionContextId === 0) {653 // DevTools protocol stores the last 1000 console messages. These654 // messages are always reported even for removed execution contexts. In655 // this case, they are marked with executionContextId = 0 and are656 // reported upon enabling Runtime agent.657 //658 // Ignore these messages since:659 // - there's no execution context we can use to operate with message660 // arguments661 // - these messages are reported before Playwright clients can subscribe662 // to the 'console'663 // page event.664 //665 // @see https://github.com/GoogleChrome/puppeteer/issues/3865666 return;667 }668 const context = this._contextIdToContext.get(event.executionContextId);669 if (!context) return;670 const values = event.args.map(arg => context.createHandle(arg));671 this._page._addConsoleMessage(event.type, values, (0, _crProtocolHelper.toConsoleMessageLocation)(event.stackTrace));672 }673 async _initBinding(binding) {674 const [, response] = await Promise.all([this._client.send('Runtime.addBinding', {675 name: binding.name676 }), this._client.send('Page.addScriptToEvaluateOnNewDocument', {677 source: binding.source678 })]);679 this._exposedBindingNames.push(binding.name);680 this._evaluateOnNewDocumentIdentifiers.push(response.identifier);681 }682 async _removeExposedBindings() {683 const names = this._exposedBindingNames;684 this._exposedBindingNames = [];685 await Promise.all(names.map(name => this._client.send('Runtime.removeBinding', {686 name687 })));688 }689 async _onBindingCalled(event) {690 const pageOrError = await this._crPage.pageOrError();691 if (!(pageOrError instanceof Error)) {692 const context = this._contextIdToContext.get(event.executionContextId);693 if (context) await this._page._onBindingCalled(event.payload, context);694 }695 }696 _onDialog(event) {697 if (!this._page._frameManager.frame(this._targetId)) return; // Our frame/subtree may be gone already.698 this._page.emit(_page.Page.Events.Dialog, new dialog.Dialog(this._page, event.type, event.message, async (accept, promptText) => {699 await this._client.send('Page.handleJavaScriptDialog', {700 accept,701 promptText702 });703 }, event.defaultPrompt));704 }705 _handleException(exceptionDetails) {706 this._page.firePageError((0, _crProtocolHelper.exceptionToError)(exceptionDetails));707 }708 async _onTargetCrashed() {709 this._client._markAsCrashed();710 this._page._didCrash();711 }712 _onLogEntryAdded(event) {713 const {714 level,715 text,716 args,717 source,718 url,719 lineNumber720 } = event.entry;721 if (args) args.map(arg => (0, _crProtocolHelper.releaseObject)(this._client, arg.objectId));722 if (source !== 'worker') {723 const location = {724 url: url || '',725 lineNumber: lineNumber || 0,726 columnNumber: 0727 };728 this._page._addConsoleMessage(level, [], location, text);729 }730 }731 async _onFileChooserOpened(event) {732 const frame = this._page._frameManager.frame(event.frameId);733 if (!frame) return;734 let handle;735 try {736 const utilityContext = await frame._utilityContext();737 handle = await this._adoptBackendNodeId(event.backendNodeId, utilityContext);738 } catch (e) {739 // During async processing, frame/context may go away. We should not throw.740 return;741 }742 await this._page._onFileChooserOpened(handle);743 }744 _willBeginDownload() {745 const originPage = this._crPage._initializedPage;746 if (!originPage) {747 // Resume the page creation with an error. The page will automatically close right748 // after the download begins.749 this._firstNonInitialNavigationCommittedReject(new Error('Starting new page download'));750 }751 }752 _onScreencastFrame(payload) {753 this._page.throttleScreencastFrameAck(() => {754 this._client.send('Page.screencastFrameAck', {755 sessionId: payload.sessionId756 }).catch(() => {});757 });758 const buffer = Buffer.from(payload.data, 'base64');759 this._page.emit(_page.Page.Events.ScreencastFrame, {760 buffer,761 timestamp: payload.metadata.timestamp,762 width: payload.metadata.deviceWidth,763 height: payload.metadata.deviceHeight764 });765 }766 async _createVideoRecorder(screencastId, options) {767 (0, _utils.assert)(!this._screencastId);768 const ffmpegPath = _registry.registry.findExecutable('ffmpeg').executablePathOrDie(this._page._browserContext._browser.options.sdkLanguage);769 this._videoRecorder = await _videoRecorder.VideoRecorder.launch(this._crPage._page, ffmpegPath, options);770 this._screencastId = screencastId;771 }772 async _startVideoRecording(options) {773 const screencastId = this._screencastId;774 (0, _utils.assert)(screencastId);775 this._page.once(_page.Page.Events.Close, () => this._stopVideoRecording().catch(() => {}));776 const gotFirstFrame = new Promise(f => this._client.once('Page.screencastFrame', f));777 await this._startScreencast(this._videoRecorder, {778 format: 'jpeg',779 quality: 90,780 maxWidth: options.width,781 maxHeight: options.height782 }); // Wait for the first frame before reporting video to the client.783 gotFirstFrame.then(() => {784 this._crPage._browserContext._browser._videoStarted(this._crPage._browserContext, screencastId, options.outputFile, this._crPage.pageOrError());785 });786 }787 async _stopVideoRecording() {788 if (!this._screencastId) return;789 const screencastId = this._screencastId;790 this._screencastId = null;791 const recorder = this._videoRecorder;792 this._videoRecorder = null;793 await this._stopScreencast(recorder);794 await recorder.stop().catch(() => {}); // Keep the video artifact in the map utntil encoding is fully finished, if the context795 // starts closing before the video is fully written to disk it will wait for it.796 const video = this._crPage._browserContext._browser._takeVideo(screencastId);797 video === null || video === void 0 ? void 0 : video.reportFinished();798 }799 async _startScreencast(client, options = {}) {800 this._screencastClients.add(client);801 if (this._screencastClients.size === 1) await this._client.send('Page.startScreencast', options);802 }803 async _stopScreencast(client) {804 this._screencastClients.delete(client);805 if (!this._screencastClients.size) await this._client._sendMayFail('Page.stopScreencast');806 }807 async _updateExtraHTTPHeaders(initial) {808 const headers = network.mergeHeaders([this._crPage._browserContext._options.extraHTTPHeaders, this._page._state.extraHTTPHeaders]);809 if (!initial || headers.length) await this._client.send('Network.setExtraHTTPHeaders', {810 headers: (0, _utils.headersArrayToObject)(headers, false811 /* lowerCase */812 )813 });814 }815 async _updateGeolocation(initial) {816 const geolocation = this._crPage._browserContext._options.geolocation;817 if (!initial || geolocation) await this._client.send('Emulation.setGeolocationOverride', geolocation || {});818 }819 async _updateOffline(initial) {820 const offline = !!this._crPage._browserContext._options.offline;821 if (!initial || offline) await this._networkManager.setOffline(offline);822 }823 async _updateHttpCredentials(initial) {824 const credentials = this._crPage._browserContext._options.httpCredentials || null;825 if (!initial || credentials) await this._networkManager.authenticate(credentials);826 }827 async _updateViewport() {828 if (this._crPage._browserContext._browser.isClank()) return;829 (0, _utils.assert)(this._isMainFrame());830 const options = this._crPage._browserContext._options;831 const emulatedSize = this._page._state.emulatedSize;832 if (emulatedSize === null) return;833 const viewportSize = emulatedSize.viewport;834 const screenSize = emulatedSize.screen;835 const isLandscape = viewportSize.width > viewportSize.height;836 const promises = [this._client.send('Emulation.setDeviceMetricsOverride', {837 mobile: !!options.isMobile,838 width: viewportSize.width,839 height: viewportSize.height,840 screenWidth: screenSize.width,841 screenHeight: screenSize.height,842 deviceScaleFactor: options.deviceScaleFactor || 1,843 screenOrientation: isLandscape ? {844 angle: 90,845 type: 'landscapePrimary'846 } : {847 angle: 0,848 type: 'portraitPrimary'849 }850 })];851 if (this._windowId) {852 let insets = {853 width: 0,854 height: 0855 };856 if (this._crPage._browserContext._browser.options.headful) {857 // TODO: popup windows have their own insets.858 insets = {859 width: 24,860 height: 88861 };862 if (process.platform === 'win32') insets = {863 width: 16,864 height: 88865 };else if (process.platform === 'linux') insets = {866 width: 8,867 height: 85868 };else if (process.platform === 'darwin') insets = {869 width: 2,870 height: 80871 };872 if (this._crPage._browserContext.isPersistentContext()) {873 // FIXME: Chrome bug: OOPIF router is confused when hit target is874 // outside browser window.875 // Account for the infobar here to work around the bug.876 insets.height += 46;877 }878 }879 promises.push(this.setWindowBounds({880 width: viewportSize.width + insets.width,881 height: viewportSize.height + insets.height882 }));883 }884 await Promise.all(promises);885 }886 async windowBounds() {887 const {888 bounds889 } = await this._client.send('Browser.getWindowBounds', {890 windowId: this._windowId891 });892 return bounds;893 }894 async setWindowBounds(bounds) {895 return await this._client.send('Browser.setWindowBounds', {896 windowId: this._windowId,897 bounds898 });899 }900 async _updateEmulateMedia(initial) {901 const colorScheme = this._page._state.colorScheme === null ? '' : this._page._state.colorScheme;902 const reducedMotion = this._page._state.reducedMotion === null ? '' : this._page._state.reducedMotion;903 const forcedColors = this._page._state.forcedColors === null ? '' : this._page._state.forcedColors;904 const features = [{905 name: 'prefers-color-scheme',906 value: colorScheme907 }, {908 name: 'prefers-reduced-motion',909 value: reducedMotion910 }, {911 name: 'forced-colors',912 value: forcedColors913 }]; // Empty string disables the override.914 await this._client.send('Emulation.setEmulatedMedia', {915 media: this._page._state.mediaType || '',916 features917 });918 }919 async _setDefaultFontFamilies(session) {920 const fontFamilies = _defaultFontFamilies.platformToFontFamilies[this._crPage._browserContext._browser._platform()];921 await session.send('Page.setFontFamilies', fontFamilies);922 }923 async _updateRequestInterception() {924 await this._networkManager.setRequestInterception(this._page._needsRequestInterception());925 }926 async setFileChooserIntercepted(enabled) {927 await this._client.send('Page.setInterceptFileChooserDialog', {928 enabled929 }).catch(e => {}); // target can be closed.930 }931 async _evaluateOnNewDocument(source, world) {932 const worldName = world === 'utility' ? UTILITY_WORLD_NAME : undefined;933 const {934 identifier935 } = await this._client.send('Page.addScriptToEvaluateOnNewDocument', {936 source,937 worldName938 });939 this._evaluateOnNewDocumentIdentifiers.push(identifier);940 }941 async _removeEvaluatesOnNewDocument() {942 const identifiers = this._evaluateOnNewDocumentIdentifiers;943 this._evaluateOnNewDocumentIdentifiers = [];944 await Promise.all(identifiers.map(identifier => this._client.send('Page.removeScriptToEvaluateOnNewDocument', {945 identifier946 })));947 }948 async _getContentFrame(handle) {949 const nodeInfo = await this._client.send('DOM.describeNode', {950 objectId: handle._objectId951 });952 if (!nodeInfo || typeof nodeInfo.node.frameId !== 'string') return null;953 return this._page._frameManager.frame(nodeInfo.node.frameId);954 }955 async _getOwnerFrame(handle) {...
Using AI Code Generation
1const { chromium, webkit, firefox } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 await context._removeEvaluatesOnNewDocument();6 const page = await context.newPage();7 await page.screenshot({ path: `example.png` });8 await browser.close();9})();
Using AI Code Generation
1const { chromium, webkit, firefox } = require("playwright");2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 context._removeEvaluatesOnNewDocument();6 const page = await context.newPage();7 await page.close();8 await browser.close();9})();10const { chromium, webkit, firefox } = require("playwright");11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 context._evaluateOnNewDocument((source) => {15 console.log(source);16 }, "Hello World");17 const page = await context.newPage();18 await page.close();19 await browser.close();20})();21const { chromium, webkit, firefox } = require("playwright");22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 context._evaluateHandleOnNewDocument((source) => {26 console.log(source);27 }, "Hello World");28 const page = await context.newPage();29 await page.close();30 await browser.close();31})();32const { chromium, webkit, firefox } = require("playwright");33(async () => {34 const browser = await chromium.launch();35 const context = await browser.newContext();36 context._exposeBinding("myMethod", (source, ...args) => {37 console.log(source);38 });39 const page = await context.newPage();40 await page.close();41 await browser.close();42})();43const { chromium, webkit, firefox } = require("playwright");44(async () => {45 const browser = await chromium.launch();
Using AI Code Generation
1const { _removeEvaluatesOnNewDocument } = require('@playwright/test/lib/server/chromium/crBrowser');2const { _evaluateOnNewDocument } = require('@playwright/test/lib/server/chromium/crBrowser');3const { _contextCreated } = require('@playwright/test/lib/server/chromium/crBrowser');4const { chromium } = require('playwright');5(async () => {6 const browser = await chromium.launch({ headless: false });7 const context = await browser.newContext();8 _removeEvaluatesOnNewDocument(context);9 _evaluateOnNewDocument(context, 'window.__REACT_DEVTOOLS_GLOBAL_HOOK__ = undefined');10 const page = await context.newPage();11})();12I have a question regarding the Playwright Test API. I am writing a test suite for a single page application (SPA). I am using the Playwright Test API to write the tests. The problem is that I need to mock the window object in my tests. I am using the playwright test API to write my tests. I am using the following code to mock the window object:13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch({ headless: false });16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.evaluate(() => {19 window.__REACT_DEVTOOLS_GLOBAL_HOOK__ = undefined;20 });21})();22I have a question regarding the Playwright Test API. I am writing a test suite for a single page application (SPA). I am using the Playwright Test API to write the tests. The problem is that I need to mock the window object in my tests. I am using the playwright test API to write my tests. I am using the following code to mock the window object:23const { chromium } = require('playwright');24(async () => {25 const browser = await chromium.launch({ headless: false });26 const context = await browser.newContext();27 const page = await context.newPage();28 await page.evaluate(() => {
Using AI Code Generation
1const { _removeEvaluatesOnNewDocument } = require('playwright/lib/server/page');2_removeEvaluatesOnNewDocument(page);3const { _addEvaluatesOnNewDocument } = require('playwright/lib/server/page');4_addEvaluatesOnNewDocument(page, 'window.__playwright_evaluate = true;');5const { _evaluateOnNewDocument } = require('playwright/lib/server/page');6await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });7const { _evaluateOnNewDocument } = require('playwright/lib/server/page');8await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });9const { _evaluateOnNewDocument } = require('playwright/lib/server/page');10await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });11const { _evaluateOnNewDocument } = require('playwright/lib/server/page');12await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });13const { _evaluateOnNewDocument } = require('playwright/lib/server/page');14await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });15const { _evaluateOnNewDocument } = require('playwright/lib/server/page');16await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });17const { _evaluateOnNewDocument } = require('playwright/lib/server/page');18await _evaluateOnNewDocument(page, () => { window.__playwright_evaluate = true; });19const { _evaluateOnNewDocument } = require('playwright/lib/server
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch({4 });5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.screenshot({ path: `google.png` });8 await browser.close();9})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { _removeEvaluatesOnNewDocument } = require('playwright/lib/server/browserType');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 await page.screenshot({ path: 'example.png' });7 await browser.close();8})();9const express = require('express');10const app = express();11const port = 3000;12app.get('/', (req, res) => res.send('Hello World!'));
Using AI Code Generation
1const { _removeEvaluatesOnNewDocument } = require('playwright/lib/server/page');2_removeEvaluatesOnNewDocument(page);3const { _evaluateOnNewDocument } = require('playwright/lib/server/page');4_evaluateOnNewDocument(page, () => {5 window.__myCustomObject = {6 customMethod: () => {7 return 'customMethodResult';8 }9 }10});11const { _evaluateOnNewDocument } = require('playwright/lib/server/page');12_evaluateOnNewDocument(page, () => {13 window.__myCustomObject = {14 customMethod: () => {15 return 'customMethodResult';16 }17 }18});19const { _evaluateOnNewDocument } = require('playwright/lib/server/page');20_evaluateOnNewDocument(page, () => {21 window.__myCustomObject = {22 customMethod: () => {23 return 'customMethodResult';24 }25 }26});27const { _evaluateOnNewDocument } = require('playwright/lib/server/page');28_evaluateOnNewDocument(page, () => {29 window.__myCustomObject = {30 customMethod: () => {31 return 'customMethodResult';32 }33 }34});35const { _evaluateOnNewDocument } = require('playwright/lib/server/page');36_evaluateOnNewDocument(page, () => {37 window.__myCustomObject = {38 customMethod: () => {39 return 'customMethodResult';40 }41 }42});
Using AI Code Generation
1const { _removeEvaluatesOnNewDocument } = require('playwright/lib/server/browserContext');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 _removeEvaluatesOnNewDocument(context);7 const page = await context.newPage();8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();
Playwright tutorial
LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- 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.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
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