How to use getNearestMountedFiber method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberTreeReflection.js

Source: ReactFiberTreeReflection.js Github

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...34};35const isMounted = (component) => {36 const fiber = getInstance(component);37 if (!fiber) return false;38 return getNearestMountedFiber(fiber) === fiber;39};...

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const elementHandle = await page.$('input');7 const fiber = await getNearestMountedFiber(elementHandle);8 console.log(fiber);9 await browser.close();10})();11Fiber {12 stateNode: HTMLInputElement {13 },14 return: Fiber {15 stateNode: HTMLFormElement {16 },17 return: Fiber {18 },19 child: Fiber {

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('playwright-core/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2const { chromium } = require('playwright-core');3(async () => {4 const browser = await chromium.launch({ headless: false, slowMo: 1000 });5 const page = await browser.newPage();6 await page.waitForSelector('input[name="q"]');7 await page.fill('input[name="q"]', 'Playwright');8 await page.press('input[name="q"]', 'Enter');9 await page.waitForSelector('text=Playwright: Node.js library to automate');10 await page.click('text=Playwright: Node.js library to automate');11 await page.waitForSelector('text=Playwright is a Node library to automate');12 await page.click('text=Playwright is a Node library to automate');13 await page.waitForSelector('text=Playwright is a Node library to automate');14 await page.click('text=Playwright is a Node library to automate');15 await page.waitForSelector('text=Playwright is a Node library to automate');16 await page.click('text=Playwright is a Node library to automate');17 await page.waitForSelector('text=Playwright is a Node library to automate');18 await page.click('text=Playwright is a Node library to automate');19 await page.waitForSelector('text=Playwright is a Node library to automate');20 await page.click('text=Playwright is a Node library to automate');21 await page.waitForSelector('text=Playwright is a Node library to automate');22 await page.click('text=Playwright is a Node library to automate');23 await page.waitForSelector('text=Playwright is a Node library to automate');24 await page.click('text=Playwright is a Node library to automate');25 await page.waitForSelector('text=Playwright is a Node library to automate');26 await page.click('text=Playwright is a Node library to automate');27 await page.waitForSelector('text=Playwright is a Node library to automate');

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');2const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');3const fiber = getNearestMountedFiber(document.querySelector('input'));4console.log(fiber);5const { getFiberFromNode } = require('playwright/​lib/​server/​dom.js');6const fiber = getFiberFromNode(document.querySelector('input'));7console.log(fiber);8const { fiberToNode } = require('playwright/​lib/​server/​dom.js');9const fiber = getNearestMountedFiber(document.querySelector('input'));10console.log(fiberToNode(fiber));11const { fiberToNode } = require('playwright/​lib/​server/​dom.js');12const fiber = getFiberFromNode(document.querySelector('input'));13console.log(fiberToNode(fiber));14const { fiberToNode } = require('playwright/​lib/​server/​dom.js');15const fiber = getFiberFromNode(document.querySelector('input'));16console.log(fiberToNode(fiber));17const { fiberToNode } = require('playwright/​lib/​server/​dom.js');18const fiber = getFiberFromNode(document.querySelector('input'));19console.log(fiberToNode(fiber));20const { fiberToNode } = require('playwright/​lib/​server/​dom.js');21const fiber = getFiberFromNode(document.querySelector('input'));22console.log(fiberToNode(fiber));23const { fiberToNode } = require('playwright/​lib/​server/​dom.js');24const fiber = getFiberFromNode(document.querySelector('input'));25console.log(fiberToNode(fiber));26const { fiberToNode } = require('playwright/​lib/​server/​dom.js');27const fiber = getFiberFromNode(document.querySelector('input'));28console.log(fiberToNode(fiber));29const { fiberToNode } = require('

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('@playwright/​test/​lib/​server/​trace/​recorder/​fiber');2const { Page } = require('@playwright/​test');3(async () => {4 const fiber = getNearestMountedFiber(page);5 console.log(fiber);6})();7{8 "dependencies": {9 }10}11Fiber {

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');2const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');3const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');4module.exports = { getNearestMountedFiber };5const { getNearestMountedFiber } = require('./​test.js');6const { getNearestMountedFiber } = require('./​test.js');7const { getNearestMountedFiber } = require('./​test.js');8module.exports = { getNearestMountedFiber };9const { getNearestMountedFiber } = require('./​test.js');10const { getNearestMountedFiber } = require('./​test.js');11const { getNearestMountedFiber } = require('./​test.js');12module.exports = { getNearestMountedFiber };13const { getNearestMountedFiber } = require('./​test.js');14const { getNearestMountedFiber } = require('./​test.js');15const { getNearestMountedFiber } = require('./​test.js');16module.exports = { getNearestMountedFiber };17const { getNearestMountedFiber } = require('./​test.js');18const { getNearestMountedFiber } = require('./​test.js');19const { getNearestMountedFiber } = require('./​test.js');20module.exports = { getNearestMountedFiber };21const { getNearestMountedFiber } = require('./​test.js');22const { getNearestMountedFiber } = require('./​test.js');23const { getNearestMountedFiber } = require('./​test.js');24module.exports = { getNearestMountedFiber };25const { getNearestMountedFiber } = require('./​test.js');26const { getNearestMountedFiber } = require('./​test.js');27const { getNearestMountedFiber } = require('./​test.js');28module.exports = { getNearestMountedFiber };29const { getNearestMountedFiber } = require('./​test.js');30const { getNearestMountedFiber } = require('./​test.js

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Using AI Code Generation

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1const playwright = require('playwright');2const { getNearestMountedFiber } = require('playwright/​lib/​server/​inspector');3const { chromium } = playwright;4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const elementHandle = await page.$('text=Get started');9 const fiber = await getNearestMountedFiber(elementHandle);10 console.log(fiber);11 await browser.close();12})();13{14 props: {15 },16 parent: {17 parent: {18 },19 dom: {

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');2const fiber = getNearestMountedFiber(document.querySelector('button'));3console.log(fiber);4const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');5const fiber = getNearestMountedFiber(document.querySelector('button'));6console.log(fiber);7const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');8const fiber = getNearestMountedFiber(document.querySelector('button'));9console.log(fiber);10const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');11const fiber = getNearestMountedFiber(document.querySelector('button'));12console.log(fiber);13const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');14const fiber = getNearestMountedFiber(document.querySelector('button'));15console.log(fiber);16const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');17const fiber = getNearestMountedFiber(document.querySelector('button'));18console.log(fiber);19const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');20const fiber = getNearestMountedFiber(document.querySelector('button'));21console.log(fiber);22const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');23const fiber = getNearestMountedFiber(document.querySelector('button'));24console.log(fiber);25const { getNearestMountedFiber } = require('playwright/​lib/​server/​domFiber');26const fiber = getNearestMountedFiber(document.querySelector('button'));27console.log(fiber);

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Using AI Code Generation

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1const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');2const elementHandle = await page.$('css=button');3const fiber = getNearestMountedFiber(elementHandle);4console.log(fiber);5const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');6const elementHandle = await page.$('css=button');7const fiber = getNearestMountedFiber(elementHandle);8console.log(fiber);9const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');10const elementHandle = await page.$('css=button');11const fiber = getNearestMountedFiber(elementHandle);12console.log(fiber);13const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');14const elementHandle = await page.$('css=button');15const fiber = getNearestMountedFiber(elementHandle);16console.log(fiber);17const { getNearestMountedFiber } = require('playwright/​lib/​server/​dom.js');18const elementHandle = await page.$('css=button');

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Using AI Code Generation

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1import { getNearestMountedFiber } from 'playwright-core/​lib/​server/​webkit/​webkit';2import { createPlaywright } from 'playwright-core/​lib/​server/​webkit/​createPlaywright';3const playwright = createPlaywright('webkit');4const browser = await playwright['webkit'].launch();5const page = await browser.newPage();6const frame = page.mainFrame();7const elementHandle = await frame.$('div');8const fiber = getNearestMountedFiber(elementHandle);9console.log(fiber);10await browser.close();11import { getNearestMountedFiber } from 'playwright-core/​lib/​server/​webkit/​webkit';12import { createPlaywright } from 'playwright-core/​lib/​server/​webkit/​createPlaywright';13const playwright = createPlaywright('webkit');14const browser = await playwright['webkit'].launch();15const page = await browser.newPage();16const frame = page.mainFrame();17const elementHandle = await frame.$('div');18const fiber = getNearestMountedFiber(elementHandle);19console.log(fiber);20await browser.close();21import { getNearestMountedFiber } from 'playwright-core/​lib/​server/​webkit/​webkit';22import { createPlaywright } from 'playwright-core/​lib/​server/​webkit/​createPlaywright';23const playwright = createPlaywright('webkit');24const browser = await playwright['webkit'].launch();25const page = await browser.newPage();26const frame = page.mainFrame();27const elementHandle = await frame.$('div');28const fiber = getNearestMountedFiber(elementHandle);29console.log(fiber);30await browser.close();31import { getNearestMountedFiber } from 'playwright-core/​lib/​server/​webkit/​webkit';32import { createPlaywright } from 'playwright-core/​lib/​server/​webkit/​createPlaywright';33const playwright = createPlaywright('webkit');34const browser = await playwright['webkit'].launch();35const page = await browser.newPage();36const frame = page.mainFrame();37const elementHandle = await frame.$('div');38const fiber = getNearestMountedFiber(elementHandle);

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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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