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How to use fromProtocolReducedMotion method in Playwright Internal
Best JavaScript code snippet using playwright-internal
TargetRegistry.js
Source:TargetRegistry.js 
...406 updateColorSchemeOverride() {407 this._linkedBrowser.browsingContext.prefersColorSchemeOverride = this.colorScheme || this._browserContext.colorScheme || 'none';408 }409 setReducedMotion(reducedMotion) {410 this.reducedMotion = fromProtocolReducedMotion(reducedMotion);411 this.updateReducedMotionOverride();412 }413 updateReducedMotionOverride() {414 this._linkedBrowser.browsingContext.prefersReducedMotionOverride = this.reducedMotion || this._browserContext.reducedMotion || 'none';415 }416 setForcedColors(forcedColors) {417 this.forcedColors = fromProtocolForcedColors(forcedColors);418 this.updateForcedColorsOverride();419 }420 updateForcedColorsOverride() {421 this._linkedBrowser.browsingContext.forcedColorsOverride = (this.forcedColors !== 'no-override' ? this.forcedColors : this._browserContext.forcedColors) || 'no-override';422 }423 async setViewportSize(viewportSize) {424 this._viewportSize = viewportSize;425 await this.updateViewportSize();426 }427 close(runBeforeUnload = false) {428 this._gBrowser.removeTab(this._tab, {429 skipPermitUnload: !runBeforeUnload,430 });431 }432 channel() {433 return this._channel;434 }435 id() {436 return this._targetId;437 }438 info() {439 return {440 targetId: this.id(),441 type: 'page',442 browserContextId: this._browserContext.browserContextId,443 openerId: this._openerId,444 };445 }446 _onNavigated(aLocation) {447 this._url = aLocation.spec;448 this._browserContext.grantPermissionsToOrigin(this._url);449 }450 async ensurePermissions() {451 await this._channel.connect('').send('ensurePermissions', {}).catch(e => void e);452 }453 async addScriptToEvaluateOnNewDocument(script) {454 await this._channel.connect('').send('addScriptToEvaluateOnNewDocument', script).catch(e => void e);455 }456 async addBinding(worldName, name, script) {457 await this._channel.connect('').send('addBinding', { worldName, name, script }).catch(e => void e);458 }459 async applyContextSetting(name, value) {460 await this._channel.connect('').send('applyContextSetting', { name, value }).catch(e => void e);461 }462 async hasFailedToOverrideTimezone() {463 return await this._channel.connect('').send('hasFailedToOverrideTimezone').catch(e => true);464 }465 async _startVideoRecording({width, height, dir}) {466 // On Mac the window may not yet be visible when TargetCreated and its467 // NSWindow.windowNumber may be -1, so we wait until the window is known468 // to be initialized and visible.469 await this.windowReady();470 const file = OS.Path.join(dir, helper.generateId() + '.webm');471 if (width < 10 || width > 10000 || height < 10 || height > 10000)472 throw new Error("Invalid size");473 const docShell = this._gBrowser.ownerGlobal.docShell;474 // Exclude address bar and navigation control from the video.475 const rect = this.linkedBrowser().getBoundingClientRect();476 const devicePixelRatio = this._window.devicePixelRatio;477 let sessionId;478 const registry = this._registry;479 const screencastClient = {480 QueryInterface: ChromeUtils.generateQI([Ci.nsIScreencastServiceClient]),481 screencastFrame(data, deviceWidth, deviceHeight) {482 },483 screencastStopped() {484 registry.emit(TargetRegistry.Events.ScreencastStopped, sessionId);485 },486 };487 const viewport = this._viewportSize || this._browserContext.defaultViewportSize || { width: 0, height: 0 };488 sessionId = screencastService.startVideoRecording(screencastClient, docShell, true, file, width, height, 0, viewport.width, viewport.height, devicePixelRatio * rect.top);489 this._videoRecordingInfo = { sessionId, file };490 this.emit(PageTarget.Events.ScreencastStarted);491 }492 _stopVideoRecording() {493 if (!this._videoRecordingInfo)494 throw new Error('No video recording in progress');495 const videoRecordingInfo = this._videoRecordingInfo;496 this._videoRecordingInfo = undefined;497 screencastService.stopVideoRecording(videoRecordingInfo.sessionId);498 }499 videoRecordingInfo() {500 return this._videoRecordingInfo;501 }502 async startScreencast({ width, height, quality }) {503 // On Mac the window may not yet be visible when TargetCreated and its504 // NSWindow.windowNumber may be -1, so we wait until the window is known505 // to be initialized and visible.506 await this.windowReady();507 if (width < 10 || width > 10000 || height < 10 || height > 10000)508 throw new Error("Invalid size");509 const docShell = this._gBrowser.ownerGlobal.docShell;510 // Exclude address bar and navigation control from the video.511 const rect = this.linkedBrowser().getBoundingClientRect();512 const devicePixelRatio = this._window.devicePixelRatio;513 const self = this;514 const screencastClient = {515 QueryInterface: ChromeUtils.generateQI([Ci.nsIScreencastServiceClient]),516 screencastFrame(data, deviceWidth, deviceHeight) {517 if (self._screencastRecordingInfo)518 self.emit(PageTarget.Events.ScreencastFrame, { data, deviceWidth, deviceHeight });519 },520 screencastStopped() {521 },522 };523 const viewport = this._viewportSize || this._browserContext.defaultViewportSize || { width: 0, height: 0 };524 const screencastId = screencastService.startVideoRecording(screencastClient, docShell, false, '', width, height, quality || 90, viewport.width, viewport.height, devicePixelRatio * rect.top);525 this._screencastRecordingInfo = { screencastId };526 return { screencastId };527 }528 screencastFrameAck({ screencastId }) {529 if (!this._screencastRecordingInfo || this._screencastRecordingInfo.screencastId !== screencastId)530 return;531 screencastService.screencastFrameAck(screencastId);532 }533 stopScreencast() {534 if (!this._screencastRecordingInfo)535 throw new Error('No screencast in progress');536 const { screencastId } = this._screencastRecordingInfo;537 this._screencastRecordingInfo = undefined;538 screencastService.stopVideoRecording(screencastId);539 }540 dispose() {541 this._disposed = true;542 if (this._videoRecordingInfo)543 this._stopVideoRecording();544 if (this._screencastRecordingInfo)545 this.stopScreencast();546 this._browserContext.pages.delete(this);547 this._registry._browserToTarget.delete(this._linkedBrowser);548 this._registry._browserBrowsingContextToTarget.delete(this._linkedBrowser.browsingContext);549 try {550 helper.removeListeners(this._eventListeners);551 } catch (e) {552 // In some cases, removing listeners from this._linkedBrowser fails553 // because it is already half-destroyed.554 if (e)555 dump(e.message + '\n' + e.stack + '\n');556 }557 this._registry.emit(TargetRegistry.Events.TargetDestroyed, this);558 }559}560PageTarget.Events = {561 ScreencastStarted: Symbol('PageTarget.ScreencastStarted'),562 ScreencastFrame: Symbol('PageTarget.ScreencastFrame'),563 Crashed: Symbol('PageTarget.Crashed'),564 DialogOpened: Symbol('PageTarget.DialogOpened'),565 DialogClosed: Symbol('PageTarget.DialogClosed'),566};567function fromProtocolColorScheme(colorScheme) {568 if (colorScheme === 'light' || colorScheme === 'dark')569 return colorScheme;570 if (colorScheme === null || colorScheme === 'no-preference')571 return undefined;572 throw new Error('Unknown color scheme: ' + colorScheme);573}574function fromProtocolReducedMotion(reducedMotion) {575 if (reducedMotion === 'reduce' || reducedMotion === 'no-preference')576 return reducedMotion;577 if (reducedMotion === null)578 return undefined;579 throw new Error('Unknown reduced motion: ' + reducedMotion);580}581function fromProtocolForcedColors(forcedColors) {582 if (forcedColors === 'active' || forcedColors === 'none')583 return forcedColors;584 if (forcedColors === null)585 return undefined;586 throw new Error('Unknown forced colors: ' + forcedColors);587}588class BrowserContext {589 constructor(registry, browserContextId, removeOnDetach) {590 this._registry = registry;591 this.browserContextId = browserContextId;592 // Default context has userContextId === 0, but we pass undefined to many APIs just in case.593 this.userContextId = 0;594 if (browserContextId !== undefined) {595 const identity = ContextualIdentityService.create(IDENTITY_NAME + browserContextId);596 this.userContextId = identity.userContextId;597 }598 this._principals = [];599 // Maps origins to the permission lists.600 this._permissions = new Map();601 this._registry._browserContextIdToBrowserContext.set(this.browserContextId, this);602 this._registry._userContextIdToBrowserContext.set(this.userContextId, this);603 this._proxy = null;604 this.removeOnDetach = removeOnDetach;605 this.extraHTTPHeaders = undefined;606 this.httpCredentials = undefined;607 this.requestInterceptionEnabled = undefined;608 this.ignoreHTTPSErrors = undefined;609 this.downloadOptions = undefined;610 this.defaultViewportSize = undefined;611 this.deviceScaleFactor = undefined;612 this.defaultUserAgent = null;613 this.defaultPlatform = null;614 this.javaScriptDisabled = false;615 this.touchOverride = false;616 this.colorScheme = 'none';617 this.forcedColors = 'no-override';618 this.reducedMotion = 'none';619 this.videoRecordingOptions = undefined;620 this.scriptsToEvaluateOnNewDocument = [];621 this.bindings = [];622 this.settings = {};623 this.pages = new Set();624 }625 setColorScheme(colorScheme) {626 this.colorScheme = fromProtocolColorScheme(colorScheme);627 for (const page of this.pages)628 page.updateColorSchemeOverride();629 }630 setReducedMotion(reducedMotion) {631 this.reducedMotion = fromProtocolReducedMotion(reducedMotion);632 for (const page of this.pages)633 page.updateReducedMotionOverride();634 }635 setForcedColors(forcedColors) {636 this.forcedColors = fromProtocolForcedColors(forcedColors);637 for (const page of this.pages)638 page.updateForcedColorsOverride();639 }640 async destroy() {641 if (this.userContextId !== 0) {642 ContextualIdentityService.remove(this.userContextId);643 for (const page of this.pages)644 page.close();645 if (this.pages.size) {...
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext({5 });6 const page = await context.newPage();7 await page.screenshot({path: 'reduced-motion.png'});8 await browser.close();9})();10const {chromium} = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext({14 });15 const page = await context.newPage();16 await page.screenshot({path: 'reduced-motion.png'});17 await browser.close();18})();19await browser.close();20await page.close();21await context.close();22await browser.close();23await browser.close();24await browser.close();25await browser.close();26await browser.close();27await browser.close();28await browser.close();29await browser.close();30await browser.close();31await browser.close();32await browser.close();33await browser.close();34await browser.close();35await browser.close();36await browser.close();
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch({4 });5 const page = await browser.newPage();6 const reducedMotion = await page._client.send('Emulation.getReducedMotion');7 console.log(reducedMotion);8 await browser.close();9})();10const {chromium} = require('playwright');11(async () => {12 const browser = await chromium.launch({13 });14 const page = await browser.newPage();15 const reducedMotion = await page._client.send('Emulation.setReducedMotion', {16 });17 console.log(reducedMotion);18 await browser.close();19})();20const {chromium} = require('playwright');21(async () => {22 const browser = await chromium.launch({23 });24 const page = await browser.newPage();25 const reducedMotion = await page._client.send('Emulation.setReducedMotion', {26 });27 console.log(reducedMotion);28 await browser.close();29})();30const {chromium} = require('playwright');31(async () => {32 const browser = await chromium.launch({33 });34 const page = await browser.newPage();35 const reducedMotion = await page._client.send('Emulation.setVirtualTimePolicy', {36 });37 console.log(reducedMotion);38 await browser.close();39})();40const {chromium} = require('playwright');41(async () => {
Using AI Code Generation
1const {chromium} = require('playwright');2const {fromProtocolReducedMotion} = require('playwright-core/lib/server/browserContext');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 await fromProtocolReducedMotion(context, true);7 const page = await context.newPage();8 await page.screenshot({ path: 'reduced-motion.png' });9 await browser.close();10})();
Using AI Code Generation
1const { webkit } = require("playwright");2(async () => {3 const browser = await webkit.launch();4 const context = await browser.newContext({5 });6 const page = await context.newPage();7 await page._client.send("Emulation.setEmulatedMedia", {8 features: [{ name: "prefers-reduced-motion", value: "reduce" }],9 });10 const value = await page.$eval(".example img", (element) => {11 return window.getComputedStyle(element).getPropertyValue("animation-play-state");12 });13 console.log(value);14 await browser.close();15})();
Using AI Code Generation
1const { webkit } = require('playwright');2(async () => {3 const browser = await webkit.launch();4 const context = await browser.newContext({5 webPreferences: {6 webkit: {7 },8 },9 });10 const page = await context.newPage();11 await page.evaluate(() => {12 const { webkit } = require('playwright');13 return webkit.fromProtocolReducedMotion();14 });15 await browser.close();16})();17const { webkit } = require('playwright');18(async () => {19 const browser = await webkit.launch();20 const context = await browser.newContext({21 webPreferences: {22 webkit: {23 },24 },25 });26 const page = await context.newPage();27 await page.evaluate(() => {28 const { webkit } = require('playwright');29 return webkit.fromProtocolColorScheme();30 });31 await browser.close();32})();33const { webkit } = require('playwright');34(async () => {35 const browser = await webkit.launch();36 const context = await browser.newContext({37 webPreferences: {38 webkit: {39 },40 },41 });42 const page = await context.newPage();43 await page.evaluate(() => {44 const { webkit } = require('playwright');45 return webkit.fromProtocolContrast();46 });47 await browser.close();48})();49const { webkit } = require('playwright');50(async () => {51 const browser = await webkit.launch();52 const context = await browser.newContext({53 webPreferences: {54 webkit: {55 },56 },57 });58 const page = await context.newPage();59 await page.evaluate(() => {60 const { webkit } = require('playwright');
Using AI Code Generation
1const { InternalAPI } = require('playwright');2const { chromium } = require('playwright-chromium');3(async () => {4 const browser = await chromium.launch();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 { InternalAPI } = require('playwright');11const { chromium } = require('playwright-chromium');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.screenshot({ path: `example.png` });17 await browser.close();18})();19const { InternalAPI } = require('playwright');20const { chromium } = require('playwright-chromium');21(async () => {22 const browser = await chromium.launch();23 const context = await browser.newContext();24 const page = await context.newPage();25 await page.screenshot({ path: `example.png` });26 await browser.close();27})();28const { InternalAPI } = require('playwright');29const { chromium } = require('playwright-chromium');30(async () => {31 const browser = await chromium.launch();32 const context = await browser.newContext();33 const page = await context.newPage();34 await page.screenshot({ path: `example.png` });35 await browser.close();36})();37const { InternalAPI } = require('playwright');38const { chromium } = require('playwright-chromium');39(async () => {40 const browser = await chromium.launch();41 const context = await browser.newContext();42 const page = await context.newPage();43 await page.screenshot({ path: `example.png` });44 await browser.close();45})();46const {
Using AI Code Generation
1const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');2const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');3const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');4const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');5const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');6const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');7const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');8const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');9const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');10const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');11const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');12const { fromProtocolReducedMotion } = require('playwright/lib/server/supplements/protocolReducedMotion');13const { fromProtocolReducedMotion } = require('playwright/lib/server/sup
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 context = await browser.newContext({6 });7 const page = await context.newPage();8 await page.emulateMedia({ reducedMotion: 'reduce' });9 await page.screenshot({ path: `example.png` });10 await browser.close();11})();12const playwright = require('playwright');13(async () => {14 const browser = await playwright.chromium.launch();15 const page = await browser.newPage();16 const context = await browser.newContext({17 });18 const page = await context.newPage();19 await page.emulateMedia({ reducedMotion: 'reduce' });20 await page.screenshot({ path: `example.png` });21 await browser.close();22})();23const playwright = require('playwright');
Using AI Code Generation
1const { InternalAPI } = require('@playwright/test');2const { fromProtocolReducedMotion } = InternalAPI;3(async () => {4 await fromProtocolReducedMotion(browserContext, true);5 await fromProtocolReducedMotion(browserContext, false);6})();7const { test, expect } = require('@playwright/test');8test('reduced motion test', async ({ page }) => {9 await page.waitForSelector('text=Google');10 expect(await page.locator('text=Google').isVisible()).toBe(true);11});12test('reduced motion test', async ({ page }) => {13 await page.waitForSelector('text=Google');14 expect(await page.locator('text=Google').isVisible()).toBe(true);15});16test('reduced motion test', async ({ page }) => {17 await page.waitForSelector('text=Google');18 expect(await page.locator('text=Google').isVisible()).toBe(true);19});20test('reduced motion test', async ({ page }) => {21 await page.waitForSelector('text=Google');22 expect(await page.locator('text=Google').isVisible()).toBe(true);23});24test('reduced motion test', async ({ page }) => {25 await page.waitForSelector('text=Google');26 expect(await page.locator('text=Google').isVisible()).toBe(true);27});28test('reduced motion test', async ({ page }) => {29 await page.waitForSelector('text=Google');30 expect(await page.locator('text=Google').isVisible()).toBe(true);31});32test('reduced motion test', async ({ page }) => {33 await page.waitForSelector('text=Google');34 expect(await page.locator('text=Google').isVisible()).toBe(true);35});36test('reduced motion test', async ({ page }) => {37 await page.waitForSelector('text=Google');38 expect(await page.locator('text=Google').isVisible()).toBe(true);39});
Playwright tutorial
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