From 6fad7f642c7d6fb648cb0fe17da6eeb4236ec381 Mon Sep 17 00:00:00 2001 From: yz-yu Date: Wed, 1 Apr 2026 12:00:00 +0800 Subject: [PATCH] record canvas mutations (#296) * record canvas mutations close #60, #261 This patch implements the canvas mutation observer. It consists of both the record and the replay side changes. In the record side, we add a `recordCanvas` flag to indicate whether to record canvas elements and the flag defaults to false. Different from our other observers, the canvas observer was disabled by default. Because some applications with heavy canvas usage may emit a lot of data as canvas changed, especially the scenarios that use a lot of `drawImage` API. So the behavior should be audited by users and only record canvas when the flag was set to true. In the replay side, we add a `UNSAFE_replayCanvas` flag to indicate whether to replay canvas mutations. Similar to the `recordCanvas` flag, `UNSAFE_replayCanvas` defaults to false. But unlike the record canvas implementation is stable and safe, the replay canvas implementation is UNSAFE. It's unsafe because we need to add `allow-scripts` to the replay sandbox, which may cause some unexpected script execution. Currently, users should be aware of this implementation detail and enable this feature carefully. * update canvas integration test --- package.json | 2 +- scripts/repl.ts | 19 +- src/record/index.ts | 13 ++ src/record/mutation.ts | 4 + src/record/observer.ts | 85 ++++++++ src/replay/index.ts | 101 ++++++++- src/types.ts | 22 +- src/utils.ts | 39 ++-- test/__snapshots__/integration.test.ts.snap | 224 ++++++++++++++++++++ test/html/canvas.html | 34 +++ test/integration.test.ts | 16 +- 11 files changed, 528 insertions(+), 31 deletions(-) create mode 100644 test/html/canvas.html diff --git a/package.json b/package.json index dcdc68ec..d29d5df4 100644 --- a/package.json +++ b/package.json @@ -62,7 +62,7 @@ "@xstate/fsm": "^1.4.0", "mitt": "^1.1.3", "pako": "^1.0.11", - "rrweb-snapshot": "^0.8.0", + "rrweb-snapshot": "^0.8.1", "smoothscroll-polyfill": "^0.4.3" } } diff --git a/scripts/repl.ts b/scripts/repl.ts index 72edc453..637c8828 100644 --- a/scripts/repl.ts +++ b/scripts/repl.ts @@ -81,7 +81,7 @@ function getCode(): string { width: 1600, height: 900, }, - args: ['--start-maximized'], + args: ['--start-maximized', '--ignore-certificate-errors'], }); const page = await browser.newPage(); await page.goto(url, { @@ -94,7 +94,8 @@ function getCode(): string { await page.evaluate(`;${code} window.__IS_RECORDING__ = true rrweb.record({ - emit: event => window._replLog(event) + emit: event => window._replLog(event), + recordCanvas: true }); `); page.on('framenavigated', async () => { @@ -103,14 +104,14 @@ function getCode(): string { await page.evaluate(`;${code} window.__IS_RECORDING__ = true rrweb.record({ - emit: event => window._replLog(event) + emit: event => window._replLog(event), + recordCanvas: true }); `); } }); - emitter.once('done', async shouldReplay => { - console.log(`Recorded ${events.length} events`); + emitter.once('done', async (shouldReplay) => { await browser.close(); if (shouldReplay) { await replay(); @@ -170,7 +171,9 @@ function getCode(): string { '<\\/script>', )}; /*-->*/ - const replayer = new rrweb.Replayer(events); + const replayer = new rrweb.Replayer(events, { + UNSAFE_replayCanvas: true + }); replayer.play(); @@ -182,10 +185,10 @@ function getCode(): string { } process - .on('uncaughtException', error => { + .on('uncaughtException', (error) => { console.error(error); }) - .on('unhandledRejection', error => { + .on('unhandledRejection', (error) => { console.error(error); }); })(); diff --git a/src/record/index.ts b/src/record/index.ts index cf07c251..c09d4701 100644 --- a/src/record/index.ts +++ b/src/record/index.ts @@ -41,6 +41,7 @@ function record( packFn, sampling = {}, mousemoveWait, + recordCanvas = false, } = options; // runtime checks for user options if (!emit) { @@ -113,6 +114,7 @@ function record( blockClass, inlineStylesheet, maskInputOptions, + recordCanvas, ); if (!node) { @@ -244,11 +246,22 @@ function record( }, }), ), + canvasMutationCb: (p) => + wrappedEmit( + wrapEvent({ + type: EventType.IncrementalSnapshot, + data: { + source: IncrementalSource.CanvasMutation, + ...p, + }, + }), + ), blockClass, ignoreClass, maskInputOptions, inlineStylesheet, sampling, + recordCanvas, }, hooks, ), diff --git a/src/record/mutation.ts b/src/record/mutation.ts index be85b77f..9bd5817a 100644 --- a/src/record/mutation.ts +++ b/src/record/mutation.ts @@ -138,16 +138,19 @@ export default class MutationBuffer { private blockClass: blockClass; private inlineStylesheet: boolean; private maskInputOptions: MaskInputOptions; + private recordCanvas: boolean; constructor( cb: mutationCallBack, blockClass: blockClass, inlineStylesheet: boolean, maskInputOptions: MaskInputOptions, + recordCanvas: boolean, ) { this.blockClass = blockClass; this.inlineStylesheet = inlineStylesheet; this.maskInputOptions = maskInputOptions; + this.recordCanvas = recordCanvas; this.emissionCallback = cb; } @@ -187,6 +190,7 @@ export default class MutationBuffer { true, this.inlineStylesheet, this.maskInputOptions, + this.recordCanvas, )!, }); }; diff --git a/src/record/observer.ts b/src/record/observer.ts index 24b1fdaf..b60508eb 100644 --- a/src/record/observer.ts +++ b/src/record/observer.ts @@ -8,6 +8,7 @@ import { getWindowWidth, isBlocked, isTouchEvent, + patch, } from '../utils'; import { mutationCallBack, @@ -30,6 +31,7 @@ import { mediaInteractionCallback, MediaInteractions, SamplingStrategy, + canvasMutationCallback, } from '../types'; import MutationBuffer from './mutation'; @@ -38,6 +40,7 @@ function initMutationObserver( blockClass: blockClass, inlineStylesheet: boolean, maskInputOptions: MaskInputOptions, + recordCanvas: boolean, ): MutationObserver { // see mutation.ts for details const mutationBuffer = new MutationBuffer( @@ -45,6 +48,7 @@ function initMutationObserver( blockClass, inlineStylesheet, maskInputOptions, + recordCanvas, ); const observer = new MutationObserver(mutationBuffer.processMutations); observer.observe(document, { @@ -357,6 +361,75 @@ function initMediaInteractionObserver( }; } +function initCanvasMutationObserver( + cb: canvasMutationCallback, + blockClass: blockClass, +): listenerHandler { + const props = Object.getOwnPropertyNames(CanvasRenderingContext2D.prototype); + const handlers: listenerHandler[] = []; + for (const prop of props) { + try { + if ( + typeof CanvasRenderingContext2D.prototype[ + prop as keyof CanvasRenderingContext2D + ] !== 'function' + ) { + continue; + } + const restoreHandler = patch( + CanvasRenderingContext2D.prototype, + prop, + function (original) { + return function ( + this: CanvasRenderingContext2D, + ...args: Array + ) { + if (!isBlocked(this.canvas, blockClass)) { + setTimeout(() => { + const recordArgs = [...args]; + if (prop === 'drawImage') { + if ( + recordArgs[0] && + recordArgs[0] instanceof HTMLCanvasElement + ) { + recordArgs[0] = recordArgs[0].toDataURL(); + } + } + cb({ + id: mirror.getId((this.canvas as unknown) as INode), + property: prop, + args: recordArgs, + }); + }, 0); + } + return original.apply(this, args); + }; + }, + ); + handlers.push(restoreHandler); + } catch { + const hookHandler = hookSetter( + CanvasRenderingContext2D.prototype, + prop, + { + set(v) { + cb({ + id: mirror.getId((this.canvas as unknown) as INode), + property: prop, + args: [v], + setter: true, + }); + }, + }, + ); + handlers.push(hookHandler); + } + } + return () => { + handlers.forEach((h) => h()); + }; +} + function mergeHooks(o: observerParam, hooks: hooksParam) { const { mutationCb, @@ -367,6 +440,7 @@ function mergeHooks(o: observerParam, hooks: hooksParam) { inputCb, mediaInteractionCb, styleSheetRuleCb, + canvasMutationCb, } = o; o.mutationCb = (...p: Arguments) => { if (hooks.mutation) { @@ -416,6 +490,12 @@ function mergeHooks(o: observerParam, hooks: hooksParam) { } styleSheetRuleCb(...p); }; + o.canvasMutationCb = (...p: Arguments) => { + if (hooks.canvasMutation) { + hooks.canvasMutation(...p); + } + canvasMutationCb(...p); + }; } export default function initObservers( @@ -428,6 +508,7 @@ export default function initObservers( o.blockClass, o.inlineStylesheet, o.maskInputOptions, + o.recordCanvas, ); const mousemoveHandler = initMoveObserver(o.mousemoveCb, o.sampling); const mouseInteractionHandler = initMouseInteractionObserver( @@ -453,6 +534,9 @@ export default function initObservers( o.blockClass, ); const styleSheetObserver = initStyleSheetObserver(o.styleSheetRuleCb); + const canvasMutationObserver = o.recordCanvas + ? initCanvasMutationObserver(o.canvasMutationCb, o.blockClass) + : () => {}; return () => { mutationObserver.disconnect(); @@ -463,5 +547,6 @@ export default function initObservers( inputHandler(); mediaInteractionHandler(); styleSheetObserver(); + canvasMutationObserver(); }; } diff --git a/src/replay/index.ts b/src/replay/index.ts index d00e1c11..67cd7f8d 100644 --- a/src/replay/index.ts +++ b/src/replay/index.ts @@ -25,6 +25,7 @@ import { mutationData, scrollData, inputData, + canvasMutationData, } from '../types'; import { mirror, polyfill, TreeIndex } from '../utils'; import getInjectStyleRules from './styles/inject-style'; @@ -50,6 +51,7 @@ const defaultConfig: playerConfig = { liveMode: false, insertStyleRules: [], triggerFocus: true, + UNSAFE_replayCanvas: false, }; export class Replayer { @@ -76,6 +78,8 @@ export class Replayer { private treeIndex!: TreeIndex; private fragmentParentMap!: Map; + private imageMap: Map = new Map(); + constructor( events: Array, config?: Partial, @@ -289,7 +293,11 @@ export class Replayer { this.wrapper.appendChild(this.mouse); this.iframe = document.createElement('iframe'); - this.iframe.setAttribute('sandbox', 'allow-same-origin'); + const attributes = ['allow-same-origin']; + if (this.config.UNSAFE_replayCanvas) { + attributes.push('allow-scripts'); + } + this.iframe.setAttribute('sandbox', attributes.join(' ')); this.disableInteract(); this.wrapper.appendChild(this.iframe); } @@ -413,6 +421,9 @@ export class Replayer { } this.emitter.emit(ReplayerEvents.FullsnapshotRebuilded, event); this.waitForStylesheetLoad(); + if (this.config.UNSAFE_replayCanvas) { + this.preloadAllImages(); + } } /** @@ -465,6 +476,44 @@ export class Replayer { } } + /** + * pause when there are some canvas drawImage args need to be loaded + */ + private preloadAllImages() { + let beforeLoadState = this.service.state; + const { unsubscribe } = this.service.subscribe((state) => { + beforeLoadState = state; + }); + let count = 0; + let resolved = 0; + for (const event of this.service.state.context.events) { + if ( + event.type === EventType.IncrementalSnapshot && + event.data.source === IncrementalSource.CanvasMutation && + event.data.property === 'drawImage' && + typeof event.data.args[0] === 'string' && + !this.imageMap.has(event) + ) { + count++; + const image = document.createElement('img'); + image.src = event.data.args[0]; + this.imageMap.set(event, image); + image.onload = () => { + resolved++; + if (resolved === count) { + if (beforeLoadState.matches('playing')) { + this.play(this.getCurrentTime()); + } + unsubscribe(); + } + }; + } + } + if (count !== resolved) { + this.service.send({ type: 'PAUSE' }); + } + } + private applyIncremental( e: incrementalSnapshotEvent & { timestamp: number }, isSync: boolean, @@ -643,6 +692,43 @@ export class Replayer { } break; } + case IncrementalSource.CanvasMutation: { + if (!this.config.UNSAFE_replayCanvas) { + return; + } + const target = mirror.getNode(d.id); + if (!target) { + return this.debugNodeNotFound(d, d.id); + } + try { + const ctx = ((target as unknown) as HTMLCanvasElement).getContext( + '2d', + )!; + if (d.setter) { + // skip some read-only type checks + // tslint:disable-next-line:no-any + (ctx as any)[d.property] = d.args[0]; + return; + } + const original = ctx[ + d.property as keyof CanvasRenderingContext2D + ] as Function; + /** + * We have serialized the image source into base64 string during recording, + * which has been preloaded before replay. + * So we can get call drawImage SYNCHRONOUSLY which avoid some fragile cast. + */ + if (d.property === 'drawImage' && typeof d.args[0] === 'string') { + const image = this.imageMap.get(e); + d.args[0] = image; + original.apply(ctx, d.args); + } else { + original.apply(ctx, d.args); + } + } catch (error) { + this.warnCanvasMutationFailed(d, d.id, error); + } + } default: } } @@ -914,6 +1000,19 @@ export class Replayer { console.warn(REPLAY_CONSOLE_PREFIX, `Node with id '${id}' not found in`, d); } + private warnCanvasMutationFailed( + d: canvasMutationData, + id: number, + error: unknown, + ) { + console.warn( + REPLAY_CONSOLE_PREFIX, + `Has error on update canvas '${id}'`, + d, + error, + ); + } + private debugNodeNotFound(d: incrementalData, id: number) { /** * There maybe some valid scenes of node not being found. diff --git a/src/types.ts b/src/types.ts index fc0ccaf0..d1940d51 100644 --- a/src/types.ts +++ b/src/types.ts @@ -70,6 +70,7 @@ export enum IncrementalSource { TouchMove, MediaInteraction, StyleSheetRule, + CanvasMutation, } export type mutationData = { @@ -106,6 +107,10 @@ export type styleSheetRuleData = { source: IncrementalSource.StyleSheetRule; } & styleSheetRuleParam; +export type canvasMutationData = { + source: IncrementalSource.CanvasMutation; +} & canvasMutationParam; + export type incrementalData = | mutationData | mousemoveData @@ -114,7 +119,8 @@ export type incrementalData = | viewportResizeData | inputData | mediaInteractionData - | styleSheetRuleData; + | styleSheetRuleData + | canvasMutationData; export type event = | domContentLoadedEvent @@ -165,6 +171,7 @@ export type recordOptions = { hooks?: hooksParam; packFn?: PackFn; sampling?: SamplingStrategy; + recordCanvas?: boolean; // departed, please use sampling options mousemoveWait?: number; }; @@ -182,7 +189,9 @@ export type observerParam = { maskInputOptions: MaskInputOptions; inlineStylesheet: boolean; styleSheetRuleCb: styleSheetRuleCallback; + canvasMutationCb: canvasMutationCallback; sampling: SamplingStrategy; + recordCanvas: boolean; }; export type hooksParam = { @@ -194,6 +203,7 @@ export type hooksParam = { input?: inputCallback; mediaInteaction?: mediaInteractionCallback; styleSheetRule?: styleSheetRuleCallback; + canvasMutation?: canvasMutationCallback; }; // https://dom.spec.whatwg.org/#interface-mutationrecord @@ -309,6 +319,15 @@ export type styleSheetRuleParam = { export type styleSheetRuleCallback = (s: styleSheetRuleParam) => void; +export type canvasMutationCallback = (p: canvasMutationParam) => void; + +export type canvasMutationParam = { + id: number; + property: string; + args: Array; + setter?: true; +}; + export type viewportResizeDimention = { width: number; height: number; @@ -362,6 +381,7 @@ export type playerConfig = { liveMode: boolean; insertStyleRules: string[]; triggerFocus: boolean; + UNSAFE_replayCanvas: boolean; unpackFn?: UnpackFn; }; diff --git a/src/utils.ts b/src/utils.ts index 93d5ff58..e97612c2 100644 --- a/src/utils.ts +++ b/src/utils.ts @@ -124,18 +124,18 @@ export function patch( // tslint:disable-next-line:no-any replacement: (...args: any[]) => any, ): () => void { - if (!(name in source)) { - return () => {}; - } + try { + if (!(name in source)) { + return () => {}; + } - const original = source[name] as () => unknown; - const wrapped = replacement(original); + const original = source[name] as () => unknown; + const wrapped = replacement(original); - // Make sure it's a function first, as we need to attach an empty prototype for `defineProperties` to work - // otherwise it'll throw "TypeError: Object.defineProperties called on non-object" - // tslint:disable-next-line:strict-type-predicates - if (typeof wrapped === 'function') { - try { + // Make sure it's a function first, as we need to attach an empty prototype for `defineProperties` to work + // otherwise it'll throw "TypeError: Object.defineProperties called on non-object" + // tslint:disable-next-line:strict-type-predicates + if (typeof wrapped === 'function') { wrapped.prototype = wrapped.prototype || {}; Object.defineProperties(wrapped, { __rrweb_original__: { @@ -143,17 +143,18 @@ export function patch( value: original, }, }); - } catch { - // This can throw if multiple fill happens on a global object like XMLHttpRequest - // Fixes https://github.com/getsentry/sentry-javascript/issues/2043 } + + source[name] = wrapped; + + return () => { + source[name] = original; + }; + } catch { + return () => {}; + // This can throw if multiple fill happens on a global object like XMLHttpRequest + // Fixes https://github.com/getsentry/sentry-javascript/issues/2043 } - - source[name] = wrapped; - - return () => { - source[name] = original; - }; } export function getWindowHeight(): number { diff --git a/test/__snapshots__/integration.test.ts.snap b/test/__snapshots__/integration.test.ts.snap index b4f135e5..18875bd1 100644 --- a/test/__snapshots__/integration.test.ts.snap +++ b/test/__snapshots__/integration.test.ts.snap @@ -333,6 +333,230 @@ exports[`block 1`] = ` ]" `; +exports[`canvas 1`] = ` +"[ + { + \\"type\\": 0, + \\"data\\": {} + }, + { + \\"type\\": 1, + \\"data\\": {} + }, + { + \\"type\\": 4, + \\"data\\": { + \\"href\\": \\"about:blank\\", + \\"width\\": 1920, + \\"height\\": 1080 + } + }, + { + \\"type\\": 2, + \\"data\\": { + \\"node\\": { + \\"type\\": 0, + \\"childNodes\\": [ + { + \\"type\\": 1, + \\"name\\": \\"html\\", + \\"publicId\\": \\"\\", + \\"systemId\\": \\"\\", + \\"id\\": 2 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"html\\", + \\"attributes\\": { + \\"lang\\": \\"en\\" + }, + \\"childNodes\\": [ + { + \\"type\\": 2, + \\"tagName\\": \\"head\\", + \\"attributes\\": {}, + \\"childNodes\\": [ + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 5 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"meta\\", + \\"attributes\\": { + \\"charset\\": \\"UTF-8\\" + }, + \\"childNodes\\": [], + \\"id\\": 6 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 7 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"meta\\", + \\"attributes\\": { + \\"name\\": \\"viewport\\", + \\"content\\": \\"width=device-width, initial-scale=1.0\\" + }, + \\"childNodes\\": [], + \\"id\\": 8 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 9 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"title\\", + \\"attributes\\": {}, + \\"childNodes\\": [ + { + \\"type\\": 3, + \\"textContent\\": \\"canvas\\", + \\"id\\": 11 + } + ], + \\"id\\": 10 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 12 + } + ], + \\"id\\": 4 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 13 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"body\\", + \\"attributes\\": {}, + \\"childNodes\\": [ + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 15 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"canvas\\", + \\"attributes\\": { + \\"id\\": \\"myCanvas\\", + \\"width\\": \\"200\\", + \\"height\\": \\"100\\", + \\"style\\": \\"border: 1px solid #000000;\\", + \\"rr_dataURL\\": \\"data:image/png;base64,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\\" + }, + \\"childNodes\\": [ + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 17 + } + ], + \\"id\\": 16 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\", + \\"id\\": 18 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"script\\", + \\"attributes\\": {}, + \\"childNodes\\": [ + { + \\"type\\": 3, + \\"textContent\\": \\"SCRIPT_PLACEHOLDER\\", + \\"id\\": 20 + } + ], + \\"id\\": 19 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\\\n \\", + \\"id\\": 21 + }, + { + \\"type\\": 2, + \\"tagName\\": \\"script\\", + \\"attributes\\": {}, + \\"childNodes\\": [ + { + \\"type\\": 3, + \\"textContent\\": \\"SCRIPT_PLACEHOLDER\\", + \\"id\\": 23 + } + ], + \\"id\\": 22 + }, + { + \\"type\\": 3, + \\"textContent\\": \\"\\\\n \\\\n \\\\n\\\\n\\", + \\"id\\": 24 + } + ], + \\"id\\": 14 + } + ], + \\"id\\": 3 + } + ], + \\"id\\": 1 + }, + \\"initialOffset\\": { + \\"left\\": 0, + \\"top\\": 0 + } + } + }, + { + \\"type\\": 3, + \\"data\\": { + \\"source\\": 9, + \\"id\\": 16, + \\"property\\": \\"moveTo\\", + \\"args\\": [ + 0, + 0 + ] + } + }, + { + \\"type\\": 3, + \\"data\\": { + \\"source\\": 9, + \\"id\\": 16, + \\"property\\": \\"lineTo\\", + \\"args\\": [ + 200, + 100 + ] + } + }, + { + \\"type\\": 3, + \\"data\\": { + \\"source\\": 9, + \\"id\\": 16, + \\"property\\": \\"stroke\\", + \\"args\\": [] + } + } +]" +`; + exports[`character-data 1`] = ` "[ { diff --git a/test/html/canvas.html b/test/html/canvas.html new file mode 100644 index 00000000..3aac8d80 --- /dev/null +++ b/test/html/canvas.html @@ -0,0 +1,34 @@ + + + + + + canvas + + + + + + + diff --git a/test/integration.test.ts b/test/integration.test.ts index d27730d3..f308109c 100644 --- a/test/integration.test.ts +++ b/test/integration.test.ts @@ -33,7 +33,8 @@ describe('record integration tests', function (this: ISuite) { window.snapshots.push(event); }, maskAllInputs: ${options.maskAllInputs}, - maskInputOptions: ${JSON.stringify(options.maskAllInputs)} + maskInputOptions: ${JSON.stringify(options.maskAllInputs)}, + recordCanvas: ${options.recordCanvas} }); @@ -244,6 +245,19 @@ describe('record integration tests', function (this: ISuite) { assertSnapshot(snapshots, __filename, 'react-styled-components'); }); + it('should record canvas mutations', async () => { + const page: puppeteer.Page = await this.browser.newPage(); + await page.goto('about:blank'); + await page.setContent( + getHtml.call(this, 'canvas.html', { + recordCanvas: true, + }), + ); + await page.waitFor(50); + const snapshots = await page.evaluate('window.snapshots'); + assertSnapshot(snapshots, __filename, 'canvas'); + }); + it('will serialize node before record', async () => { const page: puppeteer.Page = await this.browser.newPage(); await page.goto('about:blank');