How to use getRootHostContainer method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberHostContext.js

Source: ReactFiberHostContext.js Github

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...14declare class NoContextT {}15const NO_CONTEXT: NoContextT = ({}: any);16export type HostContext<C, CX> = {17 getHostContext(): CX,18 getRootHostContainer(): C,19 popHostContainer(fiber: Fiber): void,20 popHostContext(fiber: Fiber): void,21 pushHostContainer(fiber: Fiber, container: C): void,22 pushHostContext(fiber: Fiber): void,23 resetHostContainer(): void,24};25export default function<T, P, I, TI, HI, PI, C, CC, CX, PL>(26 config: HostConfig<T, P, I, TI, HI, PI, C, CC, CX, PL>,27): HostContext<C, CX> {28 const {getChildHostContext, getRootHostContext} = config;29 let contextStackCursor: StackCursor<CX | NoContextT> = createCursor(30 NO_CONTEXT,31 );32 let contextFiberStackCursor: StackCursor<Fiber | NoContextT> = createCursor(33 NO_CONTEXT,34 );35 let rootInstanceStackCursor: StackCursor<C | NoContextT> = createCursor(36 NO_CONTEXT,37 );38 function requiredContext<Value>(c: Value | NoContextT): Value {39 invariant(40 c !== NO_CONTEXT,41 'Expected host context to exist. This error is likely caused by a bug ' +42 'in React. Please file an issue.',43 );44 return (c: any);45 }46 function getRootHostContainer(): C {47 const rootInstance = requiredContext(rootInstanceStackCursor.current);48 return rootInstance;49 }50 function pushHostContainer(fiber: Fiber, nextRootInstance: C) {51 /​/​ Push current root instance onto the stack;52 /​/​ This allows us to reset root when portals are popped.53 push(rootInstanceStackCursor, nextRootInstance, fiber);54 const nextRootContext = getRootHostContext(nextRootInstance);55 /​/​ Track the context and the Fiber that provided it.56 /​/​ This enables us to pop only Fibers that provide unique contexts.57 push(contextFiberStackCursor, fiber, fiber);58 push(contextStackCursor, nextRootContext, fiber);59 }60 function popHostContainer(fiber: Fiber) {...

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8193c972f72cdded6bdf7eabbb9a61639b21f8ReactFiberHostContext.js

Source: 8193c972f72cdded6bdf7eabbb9a61639b21f8ReactFiberHostContext.js Github

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...10 getRootHostContext = config.getRootHostContext;11 var contextStackCursor = createCursor(null);12 var contextFiberStackCursor = createCursor(null);13 var rootInstanceStackCursor = createCursor(null);14 function getRootHostContainer() {15 var rootInstance = rootInstanceStackCursor.current;16 invariant(rootInstance !== null, 'Expected root container to exist. This error is likely caused by a ' + 'bug in React. Please file an issue.');17 return rootInstance;18 }19 function pushHostContainer(fiber, nextRootInstance) {20 push(rootInstanceStackCursor, nextRootInstance, fiber);21 var nextRootContext = getRootHostContext(nextRootInstance);22 push(contextFiberStackCursor, fiber, fiber);23 push(contextStackCursor, nextRootContext, fiber);24 }25 function popHostContainer(fiber) {26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);...

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155aaf97649314d984baaeb9064d0e6efcdadcReactFiberHostContext.js

Source: 155aaf97649314d984baaeb9064d0e6efcdadcReactFiberHostContext.js Github

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...10 getRootHostContext = config.getRootHostContext;11 var contextStackCursor = createCursor(null);12 var contextFiberStackCursor = createCursor(null);13 var rootInstanceStackCursor = createCursor(null);14 function getRootHostContainer() {15 var rootInstance = rootInstanceStackCursor.current;16 invariant(rootInstance !== null, 'Expected root container to exist. This error is likely caused by a ' + 'bug in React. Please file an issue.');17 return rootInstance;18 }19 function pushHostContainer(fiber, nextRootInstance) {20 push(rootInstanceStackCursor, nextRootInstance, fiber);21 var nextRootContext = getRootHostContext(nextRootInstance);22 push(contextFiberStackCursor, fiber, fiber);23 push(contextStackCursor, nextRootContext, fiber);24 }25 function popHostContainer(fiber) {26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);...

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e68c4187258c40eb815c6820eb32e1371a3792ReactFiberHostContext.js

Source: e68c4187258c40eb815c6820eb32e1371a3792ReactFiberHostContext.js Github

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...10 getRootHostContext = config.getRootHostContext;11 var contextStackCursor = createCursor(null);12 var contextFiberStackCursor = createCursor(null);13 var rootInstanceStackCursor = createCursor(null);14 function getRootHostContainer() {15 var rootInstance = rootInstanceStackCursor.current;16 invariant(rootInstance !== null, 'Expected root container to exist. This error is likely caused by a ' + 'bug in React. Please file an issue.');17 return rootInstance;18 }19 function pushHostContainer(fiber, nextRootInstance) {20 push(rootInstanceStackCursor, nextRootInstance, fiber);21 var nextRootContext = getRootHostContext(nextRootInstance);22 push(contextFiberStackCursor, fiber, fiber);23 push(contextStackCursor, nextRootContext, fiber);24 }25 function popHostContainer(fiber) {26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);...

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dcefc342e0dabab33f08a1fce5722c31fe7423ReactFiberHostContext.js

Source: dcefc342e0dabab33f08a1fce5722c31fe7423ReactFiberHostContext.js Github

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...10 getRootHostContext = config.getRootHostContext;11 var contextStackCursor = createCursor(null);12 var contextFiberStackCursor = createCursor(null);13 var rootInstanceStackCursor = createCursor(null);14 function getRootHostContainer() {15 var rootInstance = rootInstanceStackCursor.current;16 invariant(rootInstance !== null, 'Expected root container to exist. This error is likely caused by a ' + 'bug in React. Please file an issue.');17 return rootInstance;18 }19 function pushHostContainer(fiber, nextRootInstance) {20 push(rootInstanceStackCursor, nextRootInstance, fiber);21 var nextRootContext = getRootHostContext(nextRootInstance);22 push(contextFiberStackCursor, fiber, fiber);23 push(contextStackCursor, nextRootContext, fiber);24 }25 function popHostContainer(fiber) {26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);...

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30afc5f3fbdabaccfe3e856bdb9a0ae08b6324ReactFiberHostContext.js

Source: 30afc5f3fbdabaccfe3e856bdb9a0ae08b6324ReactFiberHostContext.js Github

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...10 getRootHostContext = config.getRootHostContext;11 var contextStackCursor = createCursor(null);12 var contextFiberStackCursor = createCursor(null);13 var rootInstanceStackCursor = createCursor(null);14 function getRootHostContainer() {15 var rootInstance = rootInstanceStackCursor.current;16 invariant(rootInstance !== null, 'Expected root container to exist. This error is likely caused by a ' + 'bug in React. Please file an issue.');17 return rootInstance;18 }19 function pushHostContainer(fiber, nextRootInstance) {20 push(rootInstanceStackCursor, nextRootInstance, fiber);21 var nextRootContext = getRootHostContext(nextRootInstance);22 push(contextFiberStackCursor, fiber, fiber);23 push(contextStackCursor, nextRootContext, fiber);24 }25 function popHostContainer(fiber) {26 pop(contextStackCursor, fiber);27 pop(contextFiberStackCursor, fiber);28 pop(rootInstanceStackCursor, fiber);...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const rootHostContainer = await page._delegate.getRootHostContainer();7 console.log(rootHostContainer);8 await browser.close();9})();10{ _rootHost: null, _rootHostType: 'iframe', _rootHostFrame: null }

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Using AI Code Generation

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1const { getRootHostContainer } = require('playwright/​lib/​server/​dom');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const rootHostContainer = getRootHostContainer(page);8 console.log(rootHostContainer);9 await browser.close();10})();11{12 {13 }14 _browser: {15 }16}

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { getRootHostContainer } = require('playwright/​lib/​server/​dom.js');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const rootHostContainer = getRootHostContainer(page);7 console.log(rootHostContainer);8 await browser.close();9})();10{ _rootContainer: { _rootContainer: [Circular] }, _rootId: 1 }

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Using AI Code Generation

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1const { getRootHostContainer } = require('@playwright/​test/​lib/​server/​frames');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const container = getRootHostContainer(page);8 console.log(container);9 await browser.close();10})();

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Using AI Code Generation

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1const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');2const rootHostContainer = getRootHostContainer();3console.log(rootHostContainer);4const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');5const rootHostContainer = getRootHostContainer();6console.log(rootHostContainer);7const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');8const rootHostContainer = getRootHostContainer();9console.log(rootHostContainer);10const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');11const rootHostContainer = getRootHostContainer();12console.log(rootHostContainer);13const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');14const rootHostContainer = getRootHostContainer();15console.log(rootHostContainer);16const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');17const rootHostContainer = getRootHostContainer();18console.log(rootHostContainer);19const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');20const rootHostContainer = getRootHostContainer();21console.log(rootHostContainer);22const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');23const rootHostContainer = getRootHostContainer();24console.log(rootHostContainer);25const { getRootHostContainer } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement.js');26const rootHostContainer = getRootHostContainer();27console.log(rootHostContainer);

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Using AI Code Generation

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1const { getRootHostContainer } = require('playwright/​lib/​server/​chromium/​crPage');2const page = await context.newPage();3const rootHostContainer = getRootHostContainer(page);4const { getRootHostContainer } = require('playwright/​lib/​server/​chromium/​crPage');5const page = await context.newPage();6const rootHostContainer = getRootHostContainer(page);7const element = rootHostContainer.querySelector('button');8const { getRootHostContainer } = require('playwright/​lib/​server/​chromium/​crPage');9const page = await context.newPage();10const rootHostContainer = getRootHostContainer(page);11const element = rootHostContainer.querySelector('button');12const { getRootHostContainer } = require('playwright/​lib/​server/​chromium/​crPage');13const page = await context.newPage();14const rootHostContainer = getRootHostContainer(page);15const element = rootHostContainer.querySelector('button');

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Using AI Code Generation

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1const { getRootHostContainer } = 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 rootHostContainer = await getRootHostContainer(page);7 console.log(rootHostContainer);8 await browser.close();9})();10{ _rootContainer: { _rootContainer: [Circular] },

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Using AI Code Generation

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1const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');2const browser = await chromium.launch();3const page = await browser.newPage();4const rootHostContainer = getRootHostContainer(browser);5console.log(rootHostContainer);6const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');7const browser = await chromium.launch();8const page = await browser.newPage();9const rootHostContainer = getRootHostContainer(browser);10console.log(rootHostContainer);11const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');12const browser = await chromium.launch();13const page = await browser.newPage();14const rootHostContainer = getRootHostContainer(browser);15console.log(rootHostContainer);16const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');17const browser = await chromium.launch();18const page = await browser.newPage();19const rootHostContainer = getRootHostContainer(browser);20console.log(rootHostContainer);21const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');22const browser = await chromium.launch();23const page = await browser.newPage();24const rootHostContainer = getRootHostContainer(browser);25console.log(rootHostContainer);26const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');27const browser = await chromium.launch();28const page = await browser.newPage();29const rootHostContainer = getRootHostContainer(browser);30console.log(rootHostContainer);31const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');32const browser = await chromium.launch();33const page = await browser.newPage();34const rootHostContainer = getRootHostContainer(browser);35console.log(rootHostContainer);36const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');37const browser = await chromium.launch();38const page = await browser.newPage();39const rootHostContainer = getRootHostContainer(browser);40console.log(rootHostContainer);41const { getRootHostContainer } = require('playwright/​lib/​client/​browserType');42const browser = await chromium.launch();43const page = await browser.newPage();

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Using AI Code Generation

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1const { getRootHostContainer } = require('playwright/​lib/​server/​dom');2const rootHostContainer = await getRootHostContainer(page);3const rootHost = rootHostContainer._host;4const rootHostFrame = rootHost._frame;5const { getRootHost } = require('playwright/​lib/​server/​dom');6const rootHost = await getRootHost(page);7const rootHostFrame = rootHost._frame;8const { getRootHostFrame } = require('playwright/​lib/​server/​dom');9const rootHostFrame = await getRootHostFrame(page);10const { getRootHostFrame } = require('playwright/​lib/​server/​dom');11const rootHostFrame = await getRootHostFrame(page);

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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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