How to use flattenSingleChildIntoContext method in Playwright Internal

Best JavaScript code snippet using playwright-internal

flattenStackChildren.js

Source: flattenStackChildren.js Github

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...32 * @param {?ReactComponent} child React child component.33 * @param {!string} name String name of key path to child.34 * @param {number=} selfDebugID Optional debugID of the current internal instance.35 */​36function flattenSingleChildIntoContext(37 traverseContext: mixed,38 child: ReactElement<any>,39 name: string,40 selfDebugID?: number,41): void {42 /​/​ We found a component instance.43 if (traverseContext && typeof traverseContext === 'object') {44 const result = traverseContext;45 const keyUnique = result[name] === undefined;46 if (__DEV__) {47 if (!ReactComponentTreeHook) {48 ReactComponentTreeHook = require('ReactGlobalSharedState')49 .ReactComponentTreeHook;50 }51 if (!keyUnique) {52 warning(53 false,54 'flattenChildren(...): Encountered two children with the same key, ' +55 '`%s`. Child keys must be unique; when two children share a key, only ' +56 'the first child will be used.%s',57 KeyEscapeUtils.unescape(name),58 ReactComponentTreeHook.getStackAddendumByID(selfDebugID),59 );60 }61 }62 if (keyUnique && child != null) {63 result[name] = child;64 }65 }66}67/​**68 * Flattens children that are typically specified as `props.children`. Any null69 * children will not be included in the resulting object.70 * @return {!object} flattened children keyed by name.71 */​72function flattenStackChildren(73 children: ReactElement<any>,74 selfDebugID?: number,75): ?{[name: string]: ReactElement<any>} {76 if (children == null) {77 return children;78 }79 var result = {};80 if (__DEV__) {81 traverseStackChildren(82 children,83 (traverseContext, child, name) =>84 flattenSingleChildIntoContext(85 traverseContext,86 child,87 name,88 selfDebugID,89 ),90 result,91 );92 } else {93 traverseStackChildren(children, flattenSingleChildIntoContext, result);94 }95 return result;96}...

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flattenChildren.js

Source: flattenChildren.js Github

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...7 var ReactComponentTreeHook;8 if (typeof process !== 'undefined' && process.env && process.env.NODE_ENV === 'test') {9 ReactComponentTreeHook = require('./​ReactComponentTreeHook');10 }11 function flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID) {12 if (traverseContext && typeof traverseContext === 'object') {13 var result = traverseContext;14 var keyUnique = result[name] === undefined;15 if (process.env.NODE_ENV !== 'production') {16 if (!ReactComponentTreeHook) {17 ReactComponentTreeHook = require('./​ReactComponentTreeHook');18 }19 if (!keyUnique) {20 process.env.NODE_ENV !== 'production' ? warning(false, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID(selfDebugID)) : void 0;21 }22 }23 if (keyUnique && child != null) {24 result[name] = child;25 }26 }27 }28 function flattenChildren(children, selfDebugID) {29 if (children == null) {30 return children;31 }32 var result = {};33 if (process.env.NODE_ENV !== 'production') {34 traverseAllChildren(children, function(traverseContext, child, name) {35 return flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID);36 }, result);37 } else {38 traverseAllChildren(children, flattenSingleChildIntoContext, result);39 }40 return result;41 }42 module.exports = flattenChildren;...

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86a3cd774b2b2447a30df028845ae03ef4150dflattenChildren.js

Source: 86a3cd774b2b2447a30df028845ae03ef4150dflattenChildren.js Github

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...5var ReactComponentTreeHook;6if (typeof process !== 'undefined' && process.env && process.env.NODE_ENV === 'test') {7 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');8}9function flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID) {10 if (traverseContext && typeof traverseContext === 'object') {11 var result = traverseContext;12 var keyUnique = result[name] === undefined;13 if (__DEV__) {14 if (!ReactComponentTreeHook) {15 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');16 }17 if (!keyUnique) {18 warning(false, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID(selfDebugID));19 }20 }21 if (keyUnique && child != null) {22 result[name] = child;23 }24 }25}26function flattenChildren(children, selfDebugID) {27 if (children == null) {28 return children;29 }30 var result = {};31 if (__DEV__) {32 traverseAllChildren(children, function (traverseContext, child, name) {33 return flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID);34 }, result);35 } else {36 traverseAllChildren(children, flattenSingleChildIntoContext, result);37 }38 return result;39}...

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3ca162flattenChildren.js

Source: 3ca162flattenChildren.js Github

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...5var ReactComponentTreeHook;6if (typeof process !== 'undefined' && process.env && process.env.NODE_ENV === 'test') {7 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');8}9function flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID) {10 if (traverseContext && typeof traverseContext === 'object') {11 var result = traverseContext;12 var keyUnique = result[name] === undefined;13 if (__DEV__) {14 if (!ReactComponentTreeHook) {15 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');16 }17 if (!keyUnique) {18 warning(false, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID(selfDebugID));19 }20 }21 if (keyUnique && child != null) {22 result[name] = child;23 }24 }25}26function flattenChildren(children, selfDebugID) {27 if (children == null) {28 return children;29 }30 var result = {};31 if (__DEV__) {32 traverseAllChildren(children, function (traverseContext, child, name) {33 return flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID);34 }, result);35 } else {36 traverseAllChildren(children, flattenSingleChildIntoContext, result);37 }38 return result;39}...

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418d3dflattenChildren.js

Source: 418d3dflattenChildren.js Github

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...5var ReactComponentTreeHook;6if (typeof process !== 'undefined' && process.env && process.env.NODE_ENV === 'test') {7 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');8}9function flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID) {10 if (traverseContext && typeof traverseContext === 'object') {11 var result = traverseContext;12 var keyUnique = result[name] === undefined;13 if (__DEV__) {14 if (!ReactComponentTreeHook) {15 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');16 }17 if (!keyUnique) {18 warning(false, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID(selfDebugID));19 }20 }21 if (keyUnique && child != null) {22 result[name] = child;23 }24 }25}26function flattenChildren(children, selfDebugID) {27 if (children == null) {28 return children;29 }30 var result = {};31 if (__DEV__) {32 traverseAllChildren(children, function (traverseContext, child, name) {33 return flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID);34 }, result);35 } else {36 traverseAllChildren(children, flattenSingleChildIntoContext, result);37 }38 return result;39}...

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727692flattenChildren.js

Source: 727692flattenChildren.js Github

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...5var ReactComponentTreeHook;6if (typeof process !== 'undefined' && process.env && process.env.NODE_ENV === 'test') {7 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');8}9function flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID) {10 if (traverseContext && typeof traverseContext === 'object') {11 var result = traverseContext;12 var keyUnique = result[name] === undefined;13 if (__DEV__) {14 if (!ReactComponentTreeHook) {15 ReactComponentTreeHook = require('react/​lib/​ReactComponentTreeHook');16 }17 if (!keyUnique) {18 warning(false, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID(selfDebugID));19 }20 }21 if (keyUnique && child != null) {22 result[name] = child;23 }24 }25}26function flattenChildren(children, selfDebugID) {27 if (children == null) {28 return children;29 }30 var result = {};31 if (__DEV__) {32 traverseAllChildren(children, function (traverseContext, child, name) {33 return flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID);34 }, result);35 } else {36 traverseAllChildren(children, flattenSingleChildIntoContext, result);37 }38 return result;39}...

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4dfe17flattenChildren.js

Source: 4dfe17flattenChildren.js Github

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...9process.env.NODE_ENV==='test')10{11ReactComponentTreeHook=require('react/​lib/​ReactComponentTreeHook');12}13function flattenSingleChildIntoContext(14traverseContext,15child,16name,17selfDebugID)18{19if(traverseContext&&typeof traverseContext==='object'){20var result=traverseContext;21var keyUnique=result[name]===undefined;22if(__DEV__){23if(!ReactComponentTreeHook){24ReactComponentTreeHook=require('react/​lib/​ReactComponentTreeHook');25}26if(!keyUnique){27warning(28false,29'flattenChildren(...): Encountered two children with the same key, '+30'`%s`. Child keys must be unique; when two children share a key, only '+31'the first child will be used.%s',32KeyEscapeUtils.unescape(name),33ReactComponentTreeHook.getStackAddendumByID(selfDebugID));34}35}36if(keyUnique&&child!=null){37result[name]=child;38}39}40}41function flattenChildren(42children,43selfDebugID)44{45if(children==null){46return children;47}48var result={};49if(__DEV__){50traverseAllChildren(51children,52function(traverseContext,child,name){return flattenSingleChildIntoContext(53traverseContext,54child,55name,56selfDebugID);},57result);58}else{59traverseAllChildren(children,flattenSingleChildIntoContext,result);60}61return result;62}...

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062b21flattenChildren.js

Source: 062b21flattenChildren.js Github

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...9process.env.NODE_ENV==='test')10{11ReactComponentTreeHook=require('react/​lib/​ReactComponentTreeHook');12}13function flattenSingleChildIntoContext(14traverseContext,15child,16name,17selfDebugID)18{19if(traverseContext&&typeof traverseContext==='object'){20var result=traverseContext;21var keyUnique=result[name]===undefined;22if(__DEV__){23if(!ReactComponentTreeHook){24ReactComponentTreeHook=require('react/​lib/​ReactComponentTreeHook');25}26if(!keyUnique){27warning(28false,29'flattenChildren(...): Encountered two children with the same key, '+30'`%s`. Child keys must be unique; when two children share a key, only '+31'the first child will be used.%s',32KeyEscapeUtils.unescape(name),33ReactComponentTreeHook.getStackAddendumByID(selfDebugID));34}35}36if(keyUnique&&child!=null){37result[name]=child;38}39}40}41function flattenChildren(42children,43selfDebugID)44{45if(children==null){46return children;47}48var result={};49if(__DEV__){50traverseAllChildren(51children,52function(traverseContext,child,name){return flattenSingleChildIntoContext(53traverseContext,54child,55name,56selfDebugID);},57result);58}else{59traverseAllChildren(children,flattenSingleChildIntoContext,result);60}61return result;62}...

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Using AI Code Generation

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1const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');2const { Frame } = require('playwright/​lib/​server/​frames');3const { ElementHandle } = require('playwright/​lib/​server/​dom');4const frame = new Frame();5const elementHandle = new ElementHandle();6flattenSingleChildIntoContext(frame, elementHandle);

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Using AI Code Generation

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1const { Internal } = require('@playwright/​test/​lib/​server/​frames');2const { Frame } = require('@playwright/​test/​lib/​server/​frames');3const { Page } = require('@playwright/​test/​lib/​server/​page');4const { ElementHandle } = require('@playwright/​test/​lib/​server/​elementHandler');5const { JSHandle } = require('@playwright/​test/​lib/​server/​jsHandle');6const { ChannelOwner } = require('@playwright/​test/​lib/​server/​channelOwner');7const { FrameManager } = require('@playwright/​test/​lib/​server/​frames');8const { BrowserContext } = require('@playwright/​test/​lib/​server/​browserContext');9const { Browser } = require('@playwright/​test/​lib/​server/​browser');10const { BrowserType } = require('@playwright/​test/​lib/​server/​browserType');11const { BrowserServer } = require('@playwright/​test/​lib/​server/​browserServer');12const { Connection } = require('@playwright/​test/​lib/​server/​connection');13const { Transport } = require('@playwright/​test/​lib/​server/​transport');14const { Logger } = require('@playwright/​test/​lib/​utils/​logger');15const { debugLogger } = require('@playwright/​test/​lib/​utils/​debugLogger');16const { helper } = require('@playwright/​test/​lib/​helper');17const { TimeoutError } = require('@playwright/​test/​lib/​errors');18const { Events } = require('@playwright/​test/​lib/​server/​events');19const { assert } = require('@playwright/​test/​lib/​utils/​assert');20const { debugError } = require('@playwright/​test/​lib/​utils/​debugError');21const { ProgressController } = require('@playwright/​test/​lib/​server/​progress');22const { Progress } = require('@playwright/​test/​lib/​server/​progress');23const { Selectors } = require('@playwright/​test/​lib/​server/​selectors');24const { FileChooser } = require('@playwright/​test/​lib/​server/​fileChooser');25const { Download } = require('@playwright/​test/​lib/​server/​download');26const { WebSocketTransport } = require('@playwright/​test/​lib/​server/​webSocketTransport');27const { HttpServer } = require('@playwright/​test/​lib/​server/​httpServer');28const { BrowserServerLauncher } = require('@playwright/​test/​lib/​server/​browserServerLauncher');29const { BrowserFetcher } = require('@playwright/​test/​lib/​server/​browserFetcher');30const { BrowserTypeBase } = require('@playwright/​test/​lib/​server/​browserType');31const { BrowserContextBase } = require('@playwright/​test/​lib/​server/​browserContext');32const { BrowserBase } = require('@playwright/​test/​lib/​server/​browser');33const { PageBase

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Using AI Code Generation

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1const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');2const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');3const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');4const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');5const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');6const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');7const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');8const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');9const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');10const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');11const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');12const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');13const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');14const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');15const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');16const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');17const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');18const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');19const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​frames');20const { Frame } = require('playwright/​lib/​server/​supplements/​Frame');

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Using AI Code Generation

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1const { flattenSingleChildIntoContext } = require('playwright/​lib/​server/​common/​stackTrace');2const { stackTrace } = require('playwright/​lib/​utils/​stackTrace');3const { test } = require('@playwright/​test');4test('test', async ({ page }) => {5 const element = await page.$('div');6 flattenSingleChildIntoContext(stackTrace(), element);7});

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Using AI Code Generation

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1const {flattenSingleChildIntoContext} = require('playwright/​lib/​server/​frames');2const {Page} = require('playwright/​lib/​server/​page');3const {Frame} = require('playwright/​lib/​server/​frames');4const {ElementHandle} = require('playwright/​lib/​server/​dom');5const {JSHandle} = require('playwright/​lib/​server/​jsHandle');6const {BrowserContext} = require('playwright/​lib/​server/​browserContext');7const {Browser} = require('playwright/​lib/​server/​browser');8let browser = new Browser();9let browserContext = new BrowserContext(browser);10let page = new Page(browserContext);11let frame = new Frame(page, null, 'frameId');12let elementHandle = new ElementHandle(frame, {}, 'elementId');13let childContext = new BrowserContext(browser);14flattenSingleChildIntoContext(childContext, browserContext);15let childFrame = new Frame(page, null, 'childFrameId');16flattenSingleChildIntoContext(childFrame, frame);17let childElement = new ElementHandle(frame, {}, 'childElementId');18flattenSingleChildIntoContext(childElement, elementHandle);19let childJsHandle = new JSHandle(frame, {}, 'childJsHandleId');20flattenSingleChildIntoContext(childJsHandle, childJsHandle);21let childPage = new Page(browserContext);22flattenSingleChildIntoContext(childPage, page);23let childBrowserContext = new BrowserContext(browser);24flattenSingleChildIntoContext(childBrowserContext, browserContext);25let childBrowser = new Browser();26flattenSingleChildIntoContext(childBrowser, browser);27flattenSingleChildIntoContext(page, page);28flattenSingleChildIntoContext(frame, frame);29flattenSingleChildIntoContext(elementHandle, elementHandle);

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Using AI Code Generation

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1import { flattenSingleChildIntoContext } from 'playwright/​lib/​server/​dom.js';2const element = await page.$('div');3flattenSingleChildIntoContext(element, page);4I am trying to use the flattenSingleChildIntoContext method of Playwright Internal. But I am unable to import the method. I am getting the following error5I am using the following code to import the method6import { flattenSingleChildIntoContext } from 'playwright/​lib/​server/​dom.js';

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Using AI Code Generation

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1const {flattenSingleChildIntoContext} = require('./​node_modules/​playwright/​lib/​internal/​stackTrace');2const ParentComponent = require('./​ParentComponent');3const ChildComponent = require('./​ChildComponent');4const parentComp = new ParentComponent();5const childComp = new ChildComponent();6flattenSingleChildIntoContext(parentComp, childComp);7const {flattenSingleChildIntoContext} = require('./​node_modules/​playwright/​lib/​internal/​stackTrace');8const ParentComponent = require('./​ParentComponent');9const ChildComponent = require('./​ChildComponent');10const parentComp = new ParentComponent();11const childComp = new ChildComponent();12flattenSingleChildIntoContext(parentComp, childComp);13const {flattenSingleChildIntoContext} = require('./​node_modules/​playwright/​lib/​internal/​stackTrace');14const ParentComponent = require('./​ParentComponent');15const ChildComponent = require('./​ChildComponent');16const parentComp = new ParentComponent();17const childComp = new ChildComponent();18flattenSingleChildIntoContext(parentComp, childComp);19const {flattenSingleChildIntoContext} = require('./​node_modules/​playwright/​lib/​internal/​stackTrace');20const ParentComponent = require('./​ParentComponent');21const ChildComponent = require('./​ChildComponent');22const parentComp = new ParentComponent();23const childComp = new ChildComponent();24flattenSingleChildIntoContext(parentComp, childComp);25const {flattenSingleChildIntoContext} = require('./​node_modules/​playwright/​lib/​internal/​stackTrace');26const ParentComponent = require('./​

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StackOverFlow community discussions

Questions
Discussion

Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

How to run a list of test suites in a single file concurrently in jest?

Running Playwright in Azure Function

firefox browser does not start in playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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