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How to use pushInitScripts method in Playwright Internal
Best JavaScript code snippet using playwright-internal
TargetRegistry.js
Source:TargetRegistry.js 
...452 await this._channel.connect('').send('ensurePermissions', {}).catch(e => void e);453 }454 async setInitScripts(scripts) {455 this._pageInitScripts = scripts;456 await this.pushInitScripts();457 }458 async pushInitScripts() {459 await this._channel.connect('').send('setInitScripts', [...this._browserContext.initScripts, ...this._pageInitScripts]).catch(e => void e);460 }461 async addBinding(worldName, name, script) {462 await this._channel.connect('').send('addBinding', { worldName, name, script }).catch(e => void e);463 }464 async applyContextSetting(name, value) {465 await this._channel.connect('').send('applyContextSetting', { name, value }).catch(e => void e);466 }467 async hasFailedToOverrideTimezone() {468 return await this._channel.connect('').send('hasFailedToOverrideTimezone').catch(e => true);469 }470 async _startVideoRecording({width, height, dir}) {471 // On Mac the window may not yet be visible when TargetCreated and its472 // NSWindow.windowNumber may be -1, so we wait until the window is known473 // to be initialized and visible.474 await this.windowReady();475 const file = OS.Path.join(dir, helper.generateId() + '.webm');476 if (width < 10 || width > 10000 || height < 10 || height > 10000)477 throw new Error("Invalid size");478 const docShell = this._gBrowser.ownerGlobal.docShell;479 // Exclude address bar and navigation control from the video.480 const rect = this.linkedBrowser().getBoundingClientRect();481 const devicePixelRatio = this._window.devicePixelRatio;482 let sessionId;483 const registry = this._registry;484 const screencastClient = {485 QueryInterface: ChromeUtils.generateQI([Ci.nsIScreencastServiceClient]),486 screencastFrame(data, deviceWidth, deviceHeight) {487 },488 screencastStopped() {489 registry.emit(TargetRegistry.Events.ScreencastStopped, sessionId);490 },491 };492 const viewport = this._viewportSize || this._browserContext.defaultViewportSize || { width: 0, height: 0 };493 sessionId = screencastService.startVideoRecording(screencastClient, docShell, true, file, width, height, 0, viewport.width, viewport.height, devicePixelRatio * rect.top);494 this._videoRecordingInfo = { sessionId, file };495 this.emit(PageTarget.Events.ScreencastStarted);496 }497 _stopVideoRecording() {498 if (!this._videoRecordingInfo)499 throw new Error('No video recording in progress');500 const videoRecordingInfo = this._videoRecordingInfo;501 this._videoRecordingInfo = undefined;502 screencastService.stopVideoRecording(videoRecordingInfo.sessionId);503 }504 videoRecordingInfo() {505 return this._videoRecordingInfo;506 }507 async startScreencast({ width, height, quality }) {508 // On Mac the window may not yet be visible when TargetCreated and its509 // NSWindow.windowNumber may be -1, so we wait until the window is known510 // to be initialized and visible.511 await this.windowReady();512 if (width < 10 || width > 10000 || height < 10 || height > 10000)513 throw new Error("Invalid size");514 const docShell = this._gBrowser.ownerGlobal.docShell;515 // Exclude address bar and navigation control from the video.516 const rect = this.linkedBrowser().getBoundingClientRect();517 const devicePixelRatio = this._window.devicePixelRatio;518 const self = this;519 const screencastClient = {520 QueryInterface: ChromeUtils.generateQI([Ci.nsIScreencastServiceClient]),521 screencastFrame(data, deviceWidth, deviceHeight) {522 if (self._screencastRecordingInfo)523 self.emit(PageTarget.Events.ScreencastFrame, { data, deviceWidth, deviceHeight });524 },525 screencastStopped() {526 },527 };528 const viewport = this._viewportSize || this._browserContext.defaultViewportSize || { width: 0, height: 0 };529 const screencastId = screencastService.startVideoRecording(screencastClient, docShell, false, '', width, height, quality || 90, viewport.width, viewport.height, devicePixelRatio * rect.top);530 this._screencastRecordingInfo = { screencastId };531 return { screencastId };532 }533 screencastFrameAck({ screencastId }) {534 if (!this._screencastRecordingInfo || this._screencastRecordingInfo.screencastId !== screencastId)535 return;536 screencastService.screencastFrameAck(screencastId);537 }538 stopScreencast() {539 if (!this._screencastRecordingInfo)540 throw new Error('No screencast in progress');541 const { screencastId } = this._screencastRecordingInfo;542 this._screencastRecordingInfo = undefined;543 screencastService.stopVideoRecording(screencastId);544 }545 dispose() {546 this._disposed = true;547 if (this._videoRecordingInfo)548 this._stopVideoRecording();549 if (this._screencastRecordingInfo)550 this.stopScreencast();551 this._browserContext.pages.delete(this);552 this._registry._browserToTarget.delete(this._linkedBrowser);553 this._registry._browserBrowsingContextToTarget.delete(this._linkedBrowser.browsingContext);554 try {555 helper.removeListeners(this._eventListeners);556 } catch (e) {557 // In some cases, removing listeners from this._linkedBrowser fails558 // because it is already half-destroyed.559 if (e)560 dump(e.message + '\n' + e.stack + '\n');561 }562 this._registry.emit(TargetRegistry.Events.TargetDestroyed, this);563 }564}565PageTarget.Events = {566 ScreencastStarted: Symbol('PageTarget.ScreencastStarted'),567 ScreencastFrame: Symbol('PageTarget.ScreencastFrame'),568 Crashed: Symbol('PageTarget.Crashed'),569 DialogOpened: Symbol('PageTarget.DialogOpened'),570 DialogClosed: Symbol('PageTarget.DialogClosed'),571};572function fromProtocolColorScheme(colorScheme) {573 if (colorScheme === 'light' || colorScheme === 'dark')574 return colorScheme;575 if (colorScheme === null || colorScheme === 'no-preference')576 return undefined;577 throw new Error('Unknown color scheme: ' + colorScheme);578}579function fromProtocolReducedMotion(reducedMotion) {580 if (reducedMotion === 'reduce' || reducedMotion === 'no-preference')581 return reducedMotion;582 if (reducedMotion === null)583 return undefined;584 throw new Error('Unknown reduced motion: ' + reducedMotion);585}586function fromProtocolForcedColors(forcedColors) {587 if (forcedColors === 'active' || forcedColors === 'none')588 return forcedColors;589 if (forcedColors === null)590 return undefined;591 throw new Error('Unknown forced colors: ' + forcedColors);592}593class BrowserContext {594 constructor(registry, browserContextId, removeOnDetach) {595 this._registry = registry;596 this.browserContextId = browserContextId;597 // Default context has userContextId === 0, but we pass undefined to many APIs just in case.598 this.userContextId = 0;599 if (browserContextId !== undefined) {600 const identity = ContextualIdentityService.create(IDENTITY_NAME + browserContextId);601 this.userContextId = identity.userContextId;602 }603 this._principals = [];604 // Maps origins to the permission lists.605 this._permissions = new Map();606 this._registry._browserContextIdToBrowserContext.set(this.browserContextId, this);607 this._registry._userContextIdToBrowserContext.set(this.userContextId, this);608 this._proxy = null;609 this.removeOnDetach = removeOnDetach;610 this.extraHTTPHeaders = undefined;611 this.httpCredentials = undefined;612 this.requestInterceptionEnabled = undefined;613 this.ignoreHTTPSErrors = undefined;614 this.downloadOptions = undefined;615 this.defaultViewportSize = undefined;616 this.deviceScaleFactor = undefined;617 this.defaultUserAgent = null;618 this.defaultPlatform = null;619 this.javaScriptDisabled = false;620 this.touchOverride = false;621 this.colorScheme = 'none';622 this.forcedColors = 'no-override';623 this.reducedMotion = 'none';624 this.videoRecordingOptions = undefined;625 this.initScripts = [];626 this.bindings = [];627 this.settings = {};628 this.pages = new Set();629 }630 setColorScheme(colorScheme) {631 this.colorScheme = fromProtocolColorScheme(colorScheme);632 for (const page of this.pages)633 page.updateColorSchemeOverride();634 }635 setReducedMotion(reducedMotion) {636 this.reducedMotion = fromProtocolReducedMotion(reducedMotion);637 for (const page of this.pages)638 page.updateReducedMotionOverride();639 }640 setForcedColors(forcedColors) {641 this.forcedColors = fromProtocolForcedColors(forcedColors);642 for (const page of this.pages)643 page.updateForcedColorsOverride();644 }645 async destroy() {646 if (this.userContextId !== 0) {647 ContextualIdentityService.remove(this.userContextId);648 for (const page of this.pages)649 page.close();650 if (this.pages.size) {651 await new Promise(f => {652 const listener = helper.on(this._registry, TargetRegistry.Events.TargetDestroyed, () => {653 if (!this.pages.size) {654 helper.removeListeners([listener]);655 f();656 }657 });658 });659 }660 }661 this._registry._browserContextIdToBrowserContext.delete(this.browserContextId);662 this._registry._userContextIdToBrowserContext.delete(this.userContextId);663 }664 setProxy(proxy) {665 // Clear AuthCache.666 Services.obs.notifyObservers(null, "net:clear-active-logins");667 this._proxy = proxy;668 }669 setIgnoreHTTPSErrors(ignoreHTTPSErrors) {670 if (this.ignoreHTTPSErrors === ignoreHTTPSErrors)671 return;672 this.ignoreHTTPSErrors = ignoreHTTPSErrors;673 const certOverrideService = Cc[674 "@mozilla.org/security/certoverride;1"675 ].getService(Ci.nsICertOverrideService);676 if (ignoreHTTPSErrors) {677 Preferences.set("network.stricttransportsecurity.preloadlist", false);678 Preferences.set("security.cert_pinning.enforcement_level", 0);679 certOverrideService.setDisableAllSecurityChecksAndLetAttackersInterceptMyData(true, this.userContextId);680 } else {681 certOverrideService.setDisableAllSecurityChecksAndLetAttackersInterceptMyData(false, this.userContextId);682 }683 }684 setDefaultUserAgent(userAgent) {685 this.defaultUserAgent = userAgent;686 for (const page of this.pages)687 page.updateUserAgent();688 }689 setDefaultPlatform(platform) {690 this.defaultPlatform = platform;691 for (const page of this.pages)692 page.updatePlatform();693 }694 setJavaScriptDisabled(javaScriptDisabled) {695 this.javaScriptDisabled = javaScriptDisabled;696 for (const page of this.pages)697 page.updateJavaScriptDisabled();698 }699 setTouchOverride(touchOverride) {700 this.touchOverride = touchOverride;701 for (const page of this.pages)702 page.updateTouchOverride();703 }704 async setDefaultViewport(viewport) {705 this.defaultViewportSize = viewport ? viewport.viewportSize : undefined;706 this.deviceScaleFactor = viewport ? viewport.deviceScaleFactor : undefined;707 await Promise.all(Array.from(this.pages).map(page => page.updateViewportSize()));708 }709 async setInitScripts(scripts) {710 this.initScripts = scripts;711 await Promise.all(Array.from(this.pages).map(page => page.pushInitScripts()));712 }713 async addBinding(worldName, name, script) {714 this.bindings.push({ worldName, name, script });715 await Promise.all(Array.from(this.pages).map(page => page.addBinding(worldName, name, script)));716 }717 async applySetting(name, value) {718 this.settings[name] = value;719 await Promise.all(Array.from(this.pages).map(page => page.applyContextSetting(name, value)));720 }721 async grantPermissions(origin, permissions) {722 this._permissions.set(origin, permissions);723 const promises = [];724 for (const page of this.pages) {725 if (origin === '*' || page._url.startsWith(origin)) {...
Using AI Code Generation
1const { chromium } = require('playwright');2const path = require('path');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.evaluate(() => {8 window.playwright = require('playwright');9 window.playwright.chromium.pushInitScript(10 path.join(__dirname, 'test.js')11 );12 });13 await page.evaluate(() => {14 console.log('Hello from the browser');15 console.log('Hello from the browser');16 });17 await browser.close();18})();19console.log('Hello from the browser');20console.log('Hello from the browser');
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 window.__playwright__internal__pushInitScript(() => {8 window.initScript = () => console.log('init script was called');9 });10 });11 await page.evaluate(() => {12 console.log('initScript' in window);13 });14 await page.evaluate(() => {15 window.initScript();16 });17 await browser.close();18})();
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch({ headless: false });4 const context = await browser.newContext();5 await context.pushInitScript({ content: 'window.__foo = "bar";' });6 const page = await context.newPage();7 const foo = await page.evaluate(() => window.__foo);8 console.log('foo', foo);9 await browser.close();10})();11const playwright = require('playwright');12(async () => {13 const browser = await playwright.chromium.launch({ headless: false });14 const context = await browser.newContext();15 await context.pushInitScript({ content: () => window.__foo = "bar" });16 const page = await context.newPage();17 const foo = await page.evaluate(() => window.__foo);18 console.log('foo', foo);19 await browser.close();20})();
Using AI Code Generation
1const playwright = require('playwright');2const { pushInitScripts } = require('playwright/lib/server/browserContext');3const browser = await playwright.chromium.launch();4const context = await browser.newContext();5pushInitScripts(context, [6 { path: require.resolve('playwright/lib/server/injected/instrumentation.js') },7 { path: require.resolve('playwright/lib/server/injected/recorderApp.js') },8 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') },9 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') },10 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') },11 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') },12 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') },13 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') },14 { path: require.resolve('playwright/lib/server/injected/recorderAppWorker.js') }15]);16const page = await context.newPage();17await page.click('text=example');18await page.close();19await context.close();20await browser.close();
Using AI Code Generation
1const playwright = require("playwright");2const { pushInitScript } = require("playwright/lib/server/browserContext");3const { chromium } = require("playwright");4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 pushInitScript(context, `window.test = 'hello'`);8 const page = await context.newPage();9 await page.pause();10 await browser.close();11})();12const playwright = require("playwright");13const { chromium } = require("playwright");14describe("Playwright Internal API", () => {15 it("should use pushInitScripts method of Playwright Internal API", async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 await context.addInitScript(`window.test = 'hello'`);19 const page = await context.newPage();20 await page.pause();21 await browser.close();22 });23});24const playwright = require("playwright");25const { chromium } = require("playwright");26describe("Playwright Internal API", () => {27 it("should use pushInitScripts method of Playwright Internal API", async () => {28 const browser = await chromium.launch();29 const context = await browser.newContext();30 await context.addInitScript(`window.test = 'hello'`);31 const page = await context.newPage();32 await page.pause();33 await browser.close();34 });35});36const playwright = require("playwright");37const { chromium } = require("playwright");38describe("Playwright Internal API", () => {39 it("should use pushInitScripts method of Playwright Internal API", async () => {40 const browser = await chromium.launch();41 const context = await browser.newContext();42 await context.addInitScript(`window.test = 'hello'`);43 const page = await context.newPage();44 await page.pause();45 await browser.close();46 });47});
Using AI Code Generation
1const { pushInitScripts } = require('playwright-core/lib/client/initScript');2const playwright = require('playwright-core');3(async () => {4 const browser = await playwright.chromium.launch({5 });6 const page = await browser.newPage();7 await browser.close();8})();9pushInitScripts('chromium', async (context, options) => {10 await context.addInitScript(() => {11 window.customFunction = (a, b) => a + b;12 });13});14const { chromium } = require('playwright');15const playwright = require('playwright-core');16(async () => {17 const browser = await playwright.chromium.launch({18 });19 const page = await browser.newPage();20 await browser.close();21})();22const { chromium } = require('playwright');23(async () => {24 const browser = await chromium.launch({25 });26 const page = await browser.newPage();27 await browser.close();28})();29const playwright = require('playwright-core');30(async () => {31 const browser = await playwright.chromium.launch({32 });33 const page = await browser.newPage();34 await browser.close();35})();36const playwright = require('playwright-core');37const { chromium } = playwright;38(async () => {39 const browser = await playwright.chromium.launch({40 });41 const page = await browser.newPage();42 await browser.close();43})();44const playwright = require('playwright-core');45const { chromium } = playwright;46(async () => {
Using AI Code Generation
1const { chromium } = require('playwright');2const { pushInitScript } = require('playwright/lib/server/browserContext');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 await pushInitScript(context, () => {7 window.foo = 'bar';8 });9 const page = await context.newPage();10 console.log(await page.evaluate(() => window.foo));11 await browser.close();12})();13const { chromium } = require('playwright');14const { pushInitScript } = require('playwright/lib/server/browserContext');15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 await pushInitScript(context, () => {19 window.foo = 'bar';20 });21 const page = await context.newPage();22 console.log(await page.evaluate(() => window.foo));23 await browser.close();24})();25const { chromium } = require('playwright');26const { pushInitScript } = require('playwright/lib/server/browserContext');27(async () => {28 const browser = await chromium.launch();29 const context = await browser.newContext();30 await pushInitScript(context, () => {31 window.foo = 'bar';32 });33 const page = await context.newPage();34 console.log(await page.evaluate(() => window.foo));35 await browser.close();36})();37const { chromium } = require('playwright');38const { pushInitScript } = require('playwright/lib/server/browserContext');39(async () => {40 const browser = await chromium.launch();41 const context = await browser.newContext();42 await pushInitScript(context, () => {43 window.foo = 'bar';44 });45 const page = await context.newPage();46 await page.goto('https
Using AI Code Generation
1const playwright = require('playwright');2const { pushInitScript } = require('playwright/lib/server/browserContext');3pushInitScript(playwright.chromium, function() {4 window.__test = 'test';5});6const playwright = require('playwright');7const { pushInitScript } = require('playwright/lib/server/browserContext');8pushInitScript(playwright.chromium, function() {9 window.__test = 'test';10});11const playwright = require('playwright');12const { pushInitScript } = require('playwright/lib/server/browserContext');13pushInitScript(playwright.chromium, function() {14 window.__test = 'test';15});16const playwright = require('playwright');17const { pushInitScript } = require('playwright/lib/server/browserContext');18pushInitScript(playwright.chromium, function() {19 window.__test = 'test';20});21const playwright = require('playwright');22const { pushInitScript } = require('playwright/lib/server/browserContext');23pushInitScript(playwright.chromium, function() {24 window.__test = 'test';25});26const playwright = require('playwright');27const { pushInitScript } = require('playwright/lib/server/browserContext');28pushInitScript(playwright.chromium, function() {29 window.__test = 'test';30});31const playwright = require('playwright');32const { pushInitScript } = require('playwright/lib/server/browserContext');33pushInitScript(playwright.chromium, function() {34 window.__test = 'test';35});36const playwright = require('playwright');37const { pushInitScript } = require('playwright/lib/server/browserContext');38pushInitScript(playwright.chromium, function() {39 window.__test = 'test';40});41const playwright = require('playwright');
Using AI Code Generation
1const { _electron } = require('playwright');2const electronApp = await _electron.launch();3const context = await electronApp.firstWindow();4await context.pushInitScript({path: 'path/to/file.js', args: ['some', 'args']});5await electronApp.close();6const { _electron } = require('playwright');7const electronApp = await _electron.launch();8const context = await electronApp.firstWindow();9await context.pushInitScript({source: 'console.log("hello")'});10await electronApp.close();
Using AI Code Generation
1const { pushInitScripts } = require('playwright/lib/server/frames');2const { Frame } = require('playwright/lib/server/frames');3const originalMethod = Frame.prototype._navigatedInDocument;4Frame.prototype._navigatedInDocument = function (url, name, documentId, initial) {5 if (initial) {6 pushInitScripts(documentId, 'window.__playwright__ = true;');7 }8 return originalMethod.apply(this, [url, name, documentId, initial]);9};10const playwright = require('playwright');11(async () => {12 const browser = await playwright.chromium.launch({ headless: false });13 const context = await browser.newContext();14 const page = await context.newPage();15 await page.waitForLoadState();16 const result = await page.evaluate(() => {17 return window.__playwright__;18 });19 console.log(result);20 await browser.close();21})();
Playwright tutorial
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- 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.
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- 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.
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