How to use traverseTwoPhase method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactTreeTraversal.js

Source: ReactTreeTraversal.js Github

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...83}84/​**85 * Simulates the traversal of a two-phase, capture/​bubble event dispatch.86 */​87function traverseTwoPhase(inst, fn, arg) {88 var path = [];89 while (inst) {90 path.push(inst);91 inst = getParent(inst);92 }93 var i;94 for (i = path.length; i-- > 0; ) {95 fn(path[i], 'captured', arg);96 }97 for (i = 0; i < path.length; i++) {98 fn(path[i], 'bubbled', arg);99 }100}101/​**...

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45c35dReactTreeTraversal.js

Source: 45c35dReactTreeTraversal.js Github

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...53}54function getParentInstance(inst) {55 return getParent(inst);56}57function traverseTwoPhase(inst, fn, arg) {58 var path = [];59 while (inst) {60 path.push(inst);61 inst = getParent(inst);62 }63 var i;64 for (i = path.length; i-- > 0;) {65 fn(path[i], 'captured', arg);66 }67 for (i = 0; i < path.length; i++) {68 fn(path[i], 'bubbled', arg);69 }70}71function traverseEnterLeave(from, to, fn, argFrom, argTo) {...

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8233588170f20fb9275233511933beb21fc94cReactTreeTraversal.js

Source: 8233588170f20fb9275233511933beb21fc94cReactTreeTraversal.js Github

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...53}54function getParentInstance(inst) {55 return getParent(inst);56}57function traverseTwoPhase(inst, fn, arg) {58 var path = [];59 while (inst) {60 path.push(inst);61 inst = getParent(inst);62 }63 var i;64 for (i = path.length; i-- > 0;) {65 fn(path[i], 'captured', arg);66 }67 for (i = 0; i < path.length; i++) {68 fn(path[i], 'bubbled', arg);69 }70}71function traverseEnterLeave(from, to, fn, argFrom, argTo) {...

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04e4c5ReactNativeTreeTraversal.js

Source: 04e4c5ReactNativeTreeTraversal.js Github

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...37}38function getParentInstance(inst){39return inst._hostParent;40}41function traverseTwoPhase(inst,fn,arg){42var path=[];43while(inst){44path.push(inst);45inst=inst._hostParent;46}47var i;48for(i=path.length;i-->0;){49fn(path[i],'captured',arg);50}51for(i=0;i<path.length;i++){52fn(path[i],'bubbled',arg);53}54}55function traverseEnterLeave(from,to,fn,argFrom,argTo){...

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a45c77ReactNativeTreeTraversal.js

Source: a45c77ReactNativeTreeTraversal.js Github

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...37}38function getParentInstance(inst){39return inst._hostParent;40}41function traverseTwoPhase(inst,fn,arg){42var path=[];43while(inst){44path.push(inst);45inst=inst._hostParent;46}47var i;48for(i=path.length;i-->0;){49fn(path[i],'captured',arg);50}51for(i=0;i<path.length;i++){52fn(path[i],'bubbled',arg);53}54}55function traverseEnterLeave(from,to,fn,argFrom,argTo){...

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75be44ReactNativeTreeTraversal.js

Source: 75be44ReactNativeTreeTraversal.js Github

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...37}38function getParentInstance(inst){39return inst._hostParent;40}41function traverseTwoPhase(inst,fn,arg){42var path=[];43while(inst){44path.push(inst);45inst=inst._hostParent;46}47var i;48for(i=path.length;i-->0;){49fn(path[i],'captured',arg);50}51for(i=0;i<path.length;i++){52fn(path[i],'bubbled',arg);53}54}55function traverseEnterLeave(from,to,fn,argFrom,argTo){...

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eb2ce6ReactNativeTreeTraversal.js

Source: eb2ce6ReactNativeTreeTraversal.js Github

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...37}38function getParentInstance(inst){39return inst._hostParent;40}41function traverseTwoPhase(inst,fn,arg){42var path=[];43while(inst){44path.push(inst);45inst=inst._hostParent;46}47var i;48for(i=path.length;i-->0;){49fn(path[i],'captured',arg);50}51for(i=0;i<path.length;i++){52fn(path[i],'bubbled',arg);53}54}55function traverseEnterLeave(from,to,fn,argFrom,argTo){...

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EventPropagators.js

Source: EventPropagators.js Github

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...21 }22}23function accumulateTwoPhaseDispatchesSingle(event) {24 if (event && event.dispatchConfig.phasedRegistrationNames) {25 traverseTwoPhase(26 event._targetInst,27 accumulateDirectionalDispatches,28 event,29 );30 }31}32export function accumulateTwoPhaseDispatches(events) {33 forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle);...

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Using AI Code Generation

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1const {traverseTwoPhase} = require('playwright/​lib/​server/​dom.js');2const {ElementHandle} = require('playwright/​lib/​server/​dom.js');3const {JSHandle} = require('playwright/​lib/​server/​dom.js');4const elementHandle = new ElementHandle();5const jsHandle = new JSHandle();6const targetElement = traverseTwoPhase(elementHandle, jsHandle, () => {}, () => {});7console.log(targetElement);

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Using AI Code Generation

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1const {traverseTwoPhase} = require('playwright/​lib/​server/​common/​utils');2const {ElementHandle} = require('playwright/​lib/​server/​dom/​elementHandle');3const {JSHandle} = require('playwright/​lib/​server/​common/​jsHandle');4const {JSHandleDispatcher} = require('playwright/​lib/​server/​supplements/​dispatchers/​jsHandleDispatcher');5const {ElementHandleDispatcher} = require('playwright/​lib/​server/​supplements/​dispatchers/​elementHandleDispatcher');6const {Page} = require('playwright/​lib/​server/​page');7const {PageDispatcher} = require('playwright/​lib/​server/​supplements/​dispatchers/​pageDispatcher');8const {generateTest} = require('./​testGenerator');9const {getSelector} = require('./​getSelector');10const {getSelectorForElement} = require('./​getSelectorForElement');11const {getSelectorForElementHandle} = require('./​getSelectorForElementHandle');12const {getSelectorForJSHandle} = require('./​getSelectorForJSHandle');13const {getSelectorForElementHandleDispatcher} = require('./​getSelectorForElementHandleDispatcher');14const {getSelectorForJSHandleDispatcher} = require('./​getSelectorForJSHandleDispatcher');15const {getSelectorForPageDispatcher} = require('./​getSelectorForPageDispatcher');16const {getSelectorForPage} = require('./​getSelectorForPage');17const {getSelectorForElementDispatcher} = require('./​getSelectorForElementDispatcher');18const {getSelectorForElementHandleWithId} = require('./​getSelectorForElementHandleWithId');19const {getSelectorForJSHandleWithId} = require('./​getSelectorForJSHandleWithId');20const {getSelectorForPageWithId} = require('./​getSelectorForPageWithId');21const {getSelectorForElementWithId} = require('./​getSelectorForElementWithId');22const {getSelectorForElementHandleWithIdDispatcher} = require('./​getSelectorForElementHandleWithIdDispatcher');23const {getSelectorForJSHandleWithIdDispatcher} = require('./​getSelectorForJSHandleWithIdDispatcher');24const {getSelectorForPageWithIdDispatcher} = require('./​getSelectorForPageWithIdDispatcher');25const {getSelectorForElementWithIdDispatcher} = require('./​getSelectorForElementWithIdDispatcher');26const {getSelectorForElementDispatcherWithId} = require('./​getSelectorForElementDispatcherWithId');27const {getSelectorForElementWithIdDispatcherWithId} = require('./​getSelectorForElement

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Using AI Code Generation

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1const { traverseTwoPhase } = require('playwright/​lib/​server/​selectorEngine');2const { createJSHandle } = require('playwright/​lib/​server/​frames');3const { ElementHandle } = require('playwright/​lib/​server/​dom');4const { Page } = require('playwright/​lib/​server/​page');5const { JSHandle } = require('playwright/​lib/​server/​jsHandle');6async function traverseTwoPhaseTest() {7 const page = await browser.newPage();8 const elementHandle = await page.$('text=Selector Engine');9 const element = new ElementHandle(page, elementHandle._remoteObject);10 const jsHandle = new JSHandle(page, element._remoteObject);11 const result = await traverseTwoPhase(jsHandle, (element, selector) => {12 if (element.matches(selector)) {13 return element;14 }15 return null;16 }, 'text=Selector Engine');17 console.log(result);18 await page.close();19}20traverseTwoPhaseTest();21const { traverseTwoPhase } = require('playwright/​lib/​server/​selectorEngine');22const { createJSHandle } = require('playwright/​lib/​server/​frames');23const { ElementHandle } = require('playwright/​lib/​server/​dom');24const { Page } = require('playwright/​lib/​server/​page');25const { JSHandle } = require('playwright/​lib/​server/​jsHandle');26async function traverseTwoPhaseTest() {27 const page = await browser.newPage();28 const elementHandle = await page.$('text=Selector Engine');29 const element = new ElementHandle(page, elementHandle._remoteObject);30 const jsHandle = new JSHandle(page, element

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Using AI Code Generation

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1const { traverseTwoPhase } = require('playwright/​lib/​server/​dom.js');2const { test } = require('@playwright/​test');3const { expect } = require('@playwright/​test');4test('should traverse two phase', async ({ page }) => {5 const traverseTwoPhaseResult = await page.evaluate((selector) => {6 let element = document.querySelector(selector);7 let result = [];8 traverseTwoPhase(element, (currentElement) => {9 result.push(currentElement);10 return true;11 });12 return result;13 }, 'text=See all documentation');14 expect(traverseTwoPhaseResult.length).toBe(3);15});

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Using AI Code Generation

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1const { traverseTwoPhase } = require('playwright/​lib/​server/​dom.js');2const { parseSelector } = require('playwright/​lib/​server/​selectorParser.js');3const selector = 'data-testid=button';4const parsedSelector = parseSelector(selector);5const document = await page.evaluateHandle(() => document);6const resultHandle = await traverseTwoPhase(document, parsedSelector);7const element = await resultHandle.asElement();8await element.click();9await page.close();10await browser.close();

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Using AI Code Generation

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1const { traverseTwoPhase } = require('playwright/​lib/​server/​dom.js');2const { ElementHandle } = require('playwright/​lib/​server/​dom.js');3const element = new ElementHandle(page, 'div', 'div', 1, 1, 1, 1, 'div');4const handler = (target) => {5 console.log(target);6};7traverseTwoPhase(element, handler, null);8const { traverseTwoPhase } = require('playwright/​lib/​server/​dom.js');9const { ElementHandle } = require('playwright/​lib/​server/​dom.js');10const element = new ElementHandle(page, 'div', 'div', 1, 1, 1, 1, 'div');11const handler = (target) => {12 console.log(target);13};14traverseTwoPhase(element, handler, null);15const { traverseTwoPhase } = require('playwright');16const { ElementHandle } = require('playwright');17const element = new ElementHandle(page, 'div', 'div', 1, 1, 1, 1, 'div');18const handler = (target) => {19 console.log(target);20};21traverseTwoPhase(element, handler, null);22const { traverseTwoPhase } = require('playwright');23const { ElementHandle } = require('playwright');24const element = new ElementHandle(page, 'div', 'div', 1, 1, 1, 1, 'div');25const handler = (target) => {26 console.log(target);27};28traverseTwoPhase(element, handler, null);29const { traverseTwoPhase } = require('playwright');30const { ElementHandle } = require('playwright');31const element = new ElementHandle(page, 'div', 'div', 1, 1, 1, 1, 'div');32const handler = (target) => {33 console.log(target);34};35traverseTwoPhase(element, handler, null);

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Using AI Code Generation

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1const { traverseTwoPhase } = require('playwright/​lib/​server/​dom.js');2const { parse } = require('playwright/​lib/​server/​selectors/​parser.js');3const selector = parse('div >> text=Hello World');4const element = document.querySelector('div');5const result = traverseTwoPhase(element, selector, (element, selector) => {6 if (selector.name === 'text' && element.textContent === selector.value)7 return { element, match: true };8 return { element, match: false };9});

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Using AI Code Generation

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1const { traverseTwoPhase } = require('@playwright/​test/​lib/​server/​trace/​common/​traceModel');2const { test, expect } = require('@playwright/​test');3test('test', async ({ page }) => {4 await page.click('text=Get Started');5 await page.click('text=Docs');6 await page.click('text=API');7 await page.click('text=Page');8 await page.click('text=page.route');9 const element = await traverseTwoPhase(page.mainFrame()._context, e => e.textContent === 'page.route');10 expect(element).not.toBeNull();11});12const { test } = require('@playwright/​test');13test('test', async ({ page }) => {14});15import { test } from '@playwright/​test';16test('test', async ({ page }) => {17});18import { test } from '@playwright/​test';19test('test', async ({ page }) => {20});21import { test } from '@playwright/​test';22test('test', async ({ page }) => {23});24import { test } from '@playwright/​test';25test('test', async ({ page }) => {26});

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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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