How to use mapSingleChildIntoContext method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactChildren.js

Source: ReactChildren.js Github

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...8 const traverseContext = getPooledTraverseContext(result, escapedPrefix, func)9 traverseAllChildren(children, mapSingleChildIntoContext, traverseContext)10 /​/​ console.log(traverseContext)11}12function mapSingleChildIntoContext(traverseContext, child, childKey) {13 const { result, func, keyPrefix } = traverseContext14 const mappedChildren = func.call(null, child)15 if (Array.isArray(mappedChildren)) {16 /​/​ 打平传入方法返回的数组17 mapIntoWithKeyPrefixInternal(mappedChildren, result, childKey, c => c)18 } else {19 /​/​ 所有数组打平完成后 在此结束20 /​/​ deep clone节点并修改为新的key值21 const newChild = cloneDeep(mappedChildren)22 newChild.key = keyPrefix + childKey23 result.push(newChild)24 }25}26function traverseAllChildrenImpl(27 children,28 nameSoFar,29 mapSingleChildIntoContext,30 traverseContext,31) {32 const type = typeof children33 let invokeCallBack = false34 switch (type) {35 case 'number':36 case 'string':37 invokeCallBack = true38 break39 case 'object':40 switch (children.$$typeof) {41 case 'TReact-element':42 invokeCallBack = true43 }44 }45 if (invokeCallBack) {46 mapSingleChildIntoContext(47 traverseContext,48 children,49 nameSoFar === '' ? '.0' : nameSoFar,50 )51 return 152 }53 var nextNamePrefix = nameSoFar === '' ? '.' : nameSoFar + ':'54 /​/​ 打平传入的props.children的数组55 if (Array.isArray(children)) {56 for (let i = 0; i < children.length; i++) {57 const child = children[i]58 traverseAllChildrenImpl(59 child,60 nextNamePrefix + i,...

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ReactChildren.src.js

Source: ReactChildren.src.js Github

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...29 this.mapFunction = mapFunction;30 this.mapContext = mapContext;31 }32 PooledClass.addPoolingTo(MapBookKeeping, threeArgumentPooler);33 function mapSingleChildIntoContext(traverseContext, child, name, i) {34 var mapBookKeeping = traverseContext;35 var mapResult = mapBookKeeping.mapResult;36 var keyUnique = !mapResult.hasOwnProperty(name);37 ("production" !== process.env.NODE_ENV ? warning(keyUnique, 'ReactChildren.map(...): 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.', name) : null);38 if (keyUnique) {39 var mappedChild = mapBookKeeping.mapFunction.call(mapBookKeeping.mapContext, child, i);40 mapResult[name] = mappedChild;41 }42 }43 function mapChildren(children, func, context) {44 if (children == null) {45 return children;46 }47 var mapResult = {};...

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');2const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');3const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');4const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');5const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');6const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');7const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');8const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');9const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');10const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');11const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');12const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');13const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');14const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');15const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');16const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​dom.js');

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');2const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');3const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');4const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');5const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');6const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');7const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');8const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');9const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');10const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');11const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');12const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');13const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​supplements

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('playwright/​lib/​server/​frames');2const { contextBridge } = require('electron');3contextBridge.exposeInMainWorld('playwright', {4});5const { contextBridge, ipcRenderer } = require('electron');6contextBridge.exposeInMainWorld('electron', {7});8 const root = document.getElementById('root');9 const iframe = document.createElement('iframe');10 iframe.style.width = '100%';11 iframe.style.height = '100%';12 iframe.style.border = 'none';13 root.appendChild(iframe);14 iframe.onload = async () => {15 const context = electron.ipcRenderer.sendSync('get-context');16 const elementHandle = await context.evaluateHandle(() => document);17 const frame = playwright.mapSingleChildIntoContext(context, elementHandle);18 await frame.click('text=Get Started');19 };

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('playwright/​lib/​client/​selectorEngine');2const { ElementHandle } = require('playwright/​lib/​client/​elementHandle');3const { context } = require('playwright/​lib/​client/​helper');4const { test, expect } = require('@playwright/​test');5test('test', async ({ page }) => {6 const element = await page.$('#gbwa');7 const context = await page.context();8 const { element: mappedElement } = mapSingleChildIntoContext(context, element);9 expect(mappedElement).toBeInstanceOf(ElementHandle);10});

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('@playwright/​test/​lib/​server/​frames');2const { BrowserContext } = require('@playwright/​test/​lib/​server/​browserContext');3const context = new BrowserContext();4const page = context.newPage();5const div = page.locator('div');6const div2 = page.locator('div2');7const div3 = page.locator('div3');8const div4 = page.locator('div4');9const div5 = page.locator('div5');10const div6 = page.locator('div6');11const div7 = page.locator('div7');12const div8 = page.locator('div8');13const div9 = page.locator('div9');14const div10 = page.locator('div10');15const div11 = page.locator('div11');16const div12 = page.locator('div12');17const div13 = page.locator('div13');18const div14 = page.locator('div14');19const div15 = page.locator('div15');20const div16 = page.locator('div16');21const div17 = page.locator('div17');22const div18 = page.locator('div18');23const div19 = page.locator('div19');24const div20 = page.locator('div20');25const div21 = page.locator('div21');26const div22 = page.locator('div22');27const div23 = page.locator('div23');28const div24 = page.locator('div24');29const div25 = page.locator('div25');30const div26 = page.locator('div26');31const div27 = page.locator('div27');32const div28 = page.locator('div28');33const div29 = page.locator('div29');34const div30 = page.locator('div30');35const div31 = page.locator('div31');36const div32 = page.locator('div32');37const div33 = page.locator('div33');38const div34 = page.locator('div34');39const div35 = page.locator('div35');40const div36 = page.locator('div36');41const div37 = page.locator('div37');42const div38 = page.locator('div38');43const div39 = page.locator('div39');44const div40 = page.locator('div40');

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Using AI Code Generation

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1var ReactTestUtils = require('react-dom/​test-utils');2var React = require('react');3var Internal = require('react-dom/​lib/​ReactTestUtils');4var ReactTestUtils = require('react-dom/​test-utils');5var React = require('react');6var Internal = require('react-dom/​lib/​ReactTestUtils');7var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;8var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;9var ReactTestUtils = require('react-dom/​test-utils');10var React = require('react');11var Internal = require('react-dom/​lib/​ReactTestUtils');12var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;13var ReactTestUtils = require('react-dom/​test-utils');14var React = require('react');15var Internal = require('react-dom/​lib/​ReactTestUtils');16var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;17var ReactTestUtils = require('react-dom/​test-utils');18var React = require('react');19var Internal = require('react-dom/​lib/​ReactTestUtils');20var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;21var ReactTestUtils = require('react-dom/​test-utils');22var React = require('react');23var Internal = require('react-dom/​lib/​ReactTestUtils');24var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;25var ReactTestUtils = require('react-dom/​test-utils');26var React = require('react');27var Internal = require('react-dom/​lib/​ReactTestUtils');28var mapSingleChildIntoContext = Internal.mapSingleChildIntoContext;29var ReactTestUtils = require('react-dom/​test-utils');

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('playwright-core/​lib/​server/​supplements/​utils/​childProcess');2const { ChildProcess } = require('child_process');3const { EventEmitter } = require('events');4const childProcess = new ChildProcess();5const context = new EventEmitter();6childProcess.send = (message) => {7 console.log('message sent to child is', message);8};9mapSingleChildIntoContext(context, childProcess);10context.emit('message', { hello: 'world' });11const { mapSingleChildIntoContext } = require('playwright-core/​lib/​server/​supplements/​utils/​childProcess');12const { ChildProcess } = require('child_process');13const { EventEmitter } = require('events');14const childProcess = new ChildProcess();15const context = new EventEmitter();16childProcess.send = (message) => {17 console.log('message sent to child is', message);18};19mapSingleChildIntoContext(context, childProcess);20context.emit('message', { hello: 'world' });21const { mapSingleChildIntoContext } = require('playwright-core/​lib/​server/​supplements/​utils/​childProcess');22const { ChildProcess } = require('child_process');23const { EventEmitter } = require('events');24const childProcess = new ChildProcess();25const context = new EventEmitter();26childProcess.send = (message) => {27 console.log('message sent to child is', message);28};29mapSingleChildIntoContext(context, childProcess);30context.emit('message', { hello: 'world' });31const { mapSingleChildIntoContext } = require('playwright-core/​lib/​server/​supplements/​utils/​childProcess');32const { ChildProcess } = require('child_process');33const { EventEmitter } = require('events');34const childProcess = new ChildProcess();35const context = new EventEmitter();36childProcess.send = (message) => {

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Using AI Code Generation

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1import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';2import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';3import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';4import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';5import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';6import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';7import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';8import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';9import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';10import { mapSingleChildIntoContext } from 'react-dom/​cjs/​react-dom.development';11import { mapSingleChildIntoContext } from '

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Using AI Code Generation

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1const { mapSingleChildIntoContext } = require('@playwright/​test/​lib/​server/​frames');2const { click } = require('@playwright/​test/​lib/​server/​dom');3async function test() {4 const context = await browser.newContext();5 const page = await context.newPage();6 const element = await page.$('text=Docs');7 const mappedElement = mapSingleChildIntoContext(element, page);8 await click(mappedElement);9 await context.close();10}11test();12const { mapSingleChildIntoContext } = require('@playwright/​test/​lib/​server/​frames');13const { click } = require('@playwright/​test/​lib/​server/​dom');14test.describe('Playwright Test', () => {15 test('should be able to click on the Docs link', async ({ page }) => {16 const element = await page.$('text=Docs');17 const mappedElement = mapSingleChildIntoContext(element, page);18 await click(mappedElement);19 });20});21import { mapSingleChildIntoContext } from '@playwright/​test/​lib/​server/​frames';22import { click } from '@playwright/​test/​lib/​server/​dom';23test.describe('Playwright Test', () => {24 test('should be able to click on the Docs link', async ({ page }) => {25 const element = await page.$('text=Docs');26 const mappedElement = mapSingleChildIntoContext(element, page);27 await click(mappedElement);28 });29});30const { mapSingleChildIntoContext } = require('@play

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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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