How to use setupStatefulComponent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

guide-mini-vue.esm.js

Source: guide-mini-vue.esm.js Github

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...28}29function setupComponent(instance) {30 /​/​ initProps()31 /​/​ initSlots()32 setupStatefulComponent(instance); /​/​ 初始化有状态的组件/​ 函数式组件33}34function setupStatefulComponent(instance) {35 /​/​ 拿到setup函数的返回值36 var component = instance.type;37 /​/​ ctx38 instance.proxy = new Proxy({ _: instance }, publicInstanceProxyhandlers);39 var setup = component.setup;40 if (setup) {41 /​/​ funcion: render函数 h(...)42 /​/​ object: 注入到组件的上下文43 var setupResult = setup();44 handleSetupResult(instance, setupResult);45 }46}47function handleSetupResult(instance, setupResult) {48 /​/​ obj function...

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mini-vue.cjs.js

Source: mini-vue.cjs.js Github

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...13function setupComponent(instance) {14 /​/​ TODO15 /​/​ initProps()16 /​/​ initSlots()17 setupStatefulComponent(instance);18}19function setupStatefulComponent(instance) {20 var Component = instance.type;21 var setup = Component.setup;22 if (setup) {23 var setupResult = setup();24 handleSetupResult(instance, setupResult);25 }26}27function handleSetupResult(instance, setupResult) {28 /​/​ function Object29 /​/​ TODO function30 if (typeof setupResult === "object") {31 instance.setupState = setupResult;32 }33 finishComponentSetup(instance);...

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mini-vue.esm.js

Source: mini-vue.esm.js Github

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...11function setupComponent(instance) {12 /​/​ TODO13 /​/​ initProps()14 /​/​ initSlots()15 setupStatefulComponent(instance);16}17function setupStatefulComponent(instance) {18 var Component = instance.type;19 var setup = Component.setup;20 if (setup) {21 var setupResult = setup();22 handleSetupResult(instance, setupResult);23 }24}25function handleSetupResult(instance, setupResult) {26 /​/​ function Object27 /​/​ TODO function28 if (typeof setupResult === "object") {29 instance.setupState = setupResult;30 }31 finishComponentSetup(instance);...

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mini-vue3.cjs.js

Source: mini-vue3.cjs.js Github

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...12}13function setupComponent(instance) {14 /​/​ TODO initProps15 /​/​ TODO initSlots16 setupStatefulComponent(instance);17}18function setupStatefulComponent(instance) {19 const Component = instance.type;20 const { setup } = Component;21 if (setup) {22 const setupResult = setup();23 handleSetupResult(instance, setupResult);24 }25}26function handleSetupResult(instance, setupResult) {27 /​/​ TODO 实现 setupResult == function28 if (typeof setupResult === 'object') {29 instance.setupState = setupResult;30 }31 finishComponentState(instance);32}...

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mini-vue3.esm.js

Source: mini-vue3.esm.js Github

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...10}11function setupComponent(instance) {12 /​/​ TODO initProps13 /​/​ TODO initSlots14 setupStatefulComponent(instance);15}16function setupStatefulComponent(instance) {17 const Component = instance.type;18 const { setup } = Component;19 if (setup) {20 const setupResult = setup();21 handleSetupResult(instance, setupResult);22 }23}24function handleSetupResult(instance, setupResult) {25 /​/​ TODO 实现 setupResult == function26 if (typeof setupResult === 'object') {27 instance.setupState = setupResult;28 }29 finishComponentState(instance);30}...

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guide-mini-vue.cjs.js

Source: guide-mini-vue.cjs.js Github

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...9}10function setupComponent(instance) {11 /​/​ initProps()12 /​/​ initSlots()13 setupStatefulComponent(instance);14}15function setupStatefulComponent(instance) {16 const Component = instance.type;17 const { setup } = Component;18 if (setup) {19 const setupResult = setup();20 handleSetupResult(instance, setupResult);21 }22}23function handleSetupResult(instance, setupResult) {24 /​/​ setupResult 为 function 或者 Object25 /​/​ TODO function26 if (typeof setupResult === 'object') {27 instance.setupState = setupResult;28 }29 finishComponentSetup(instance);...

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09-setupComponent.js

Source: 09-setupComponent.js Github

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...9 initProps(instance, props, isStateful, isSSR)10 initSlots(instance, children)11 12 const setupResult = isStateful13 ? setupStatefulComponent(instance, isSSR)14 : undefined15 isInSSRComponentSetup = false16 return setupResult17 }18 19 function setupStatefulComponent(20 instance: ComponentInternalInstance,21 isSSR: boolean22 ) {23 const Component = instance.type as ComponentOptions24 /​/​ 执行setup25 const { setup } = Component26 if (setup) {27 const setupContext = (instance.setupContext =28 setup.length > 1 ? createSetupContext(instance) : null)29 30 setCurrentInstance(instance)31 pauseTracking()32 const setupResult = callWithErrorHandling(33 setup,...

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component.js

Source: component.js Github

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...14export const setupComponent=(instance)=>{15 /​/​ 1、属性初始化16 /​/​ 2、slot初始化17 /​/​ 3、调用setup18 setupStatefulComponent(instance)19}20function setupStatefulComponent(instance){21 const Compoent=instance.type;22 const {setup}=Compoent;23 if(setup){24 const setupResult=setup();25 /​/​ 需判断返回值类型26 handleSetupResult(instance,setupResult)27 }28}29function handleSetupResult(instance,setupResult){30 if(isFunction(setupResult)){31 instance.render=setupResult32 }else{33 instance.setupState=setupResult34 }...

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Using AI Code Generation

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1const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');2const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');3const { test, expect } = require('@playwright/​test');4test('should display correct text in header', async ({ page }) => {5 await page.click('text=React');6 await page.click('input[placeholder="What needs to be done?"]');7 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Milk');8 await page.press('input[placeholder="What needs to be done?"]', 'Enter');9 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Bread');10 await page.press('input[placeholder="What needs to be done?"]', 'Enter');11 await page.click('text=Active');12 const count = await page.textContent('text=2 items left');13 expect(count).toBe('2 items left');14});15const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');16test.describe('test suite', () => {17 test.beforeEach(async ({ page }) => {18 const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');19 await page.click('text=React');20 });21 test('should display correct text in header', async ({ page }) => {22 await page.click('input[placeholder="What needs to be done?"]');23 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Milk');24 await page.press('input[placeholder="What needs to be done?"]', 'Enter');25 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Bread');26 await page.press('input[placeholder="What needs to be done?"]', 'Enter');27 await page.click('text=Active');28 const count = await page.textContent('text=2 items left');29 expect(count).toBe('2 items left');30 });31 test('should display correct text in

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Using AI Code Generation

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1const { setupStatefulComponent } = require('@playwright/​test');2const { Component } = require('react');3const { render } = require('react-dom');4class MyComponent extends Component {5 render() {6 return <div>MyComponent</​div>;7 }8}9const { container, component } = setupStatefulComponent(MyComponent, { props: { name: 'Jane' } });10render(<MyComponent name="Jane" /​>, container);11const div = container.querySelector('div');12const div = component.container.querySelector('div');13await page.click(component.container);14await page.click(container);15component.dispatchEvent(new Event('click'));16const { test, expect } = require('@playwright/​test');17const { Component } = require('react');18const { render } = require('react-dom');19class MyComponent extends Component {20 render() {21 return <div>MyComponent</​div>;22 }23}24test('renders component', async ({ page }) => {25 await page.setContent('<div id="root"></​div>');26 await page.react(MyComponent, { props: { name: 'Jane' } });27 expect(await page.textContent('div')).toBe('MyComponent');28});29const { test, expect } =

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Using AI Code Generation

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1const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');2const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');3const { test, expect } = require('@playwright/​test');4test('should display correct text in header', async ({ page }) => {5 await page.click('text=React');6 await page.click('input[placeholder="What needs to be done?"]');7 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Milk');8 await page.press('input[placeholder="What needs to be done?"]', 'Enter');9 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Bread');10 await page.press('input[placeholder="What needs to be done?"]', 'Enter');11 await page.click('text=Active');12 const count = await page.textContent('text=2 items left');13 expect(count).toBe('2 items left');14});15const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');16test.describe('test suite', () => {17 test.beforeEach(async ({ page }) => {18 const { setupStatefulComponent } = require('@playwright/​test/​lib/​test');19 await page.click('text=React');20 });21 test('should display correct text in header', async ({ page }) => {22 await page.click('input[placeholder="What needs to be done?"]');23 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Milk');24 await page.press('input[placeholder="What needs to be done?"]', 'Enter');25 await page.fill('input[placeholder="What needs to be done?"]', 'Buy Bread');26 await page.press('input[placeholder="What needs to be done?"]', 'Enter');27 await page.click('text=Active');28 const count = await page.textContent('text=2 items left');29 expect(count).toBe('2 items left');30 });31 test('should display correct text in

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Using AI Code Generation

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1const { setupStatefulComponent } = require('playwright-core/​lib/​server/​supplements/​recorder/​recorderSupplement');2const { Page } = require('playwright-core/​lib/​server/​page');3const { PageChannel } = require('playwright-core/​lib/​server/​channels');4const { Frame } = require('playwright-core/​lib/​server/​frame');5const { FrameChannel } = require('playwright-core/​lib/​server/​channels');6const { ElementHandle } = require('playwright-core/​lib/​server/​dom');7const { ElementHandleChannel } = require('playwright-core/​lib/​server/​channels');8const page = await context.newPage();9const pageChannel = new PageChannel(page);10const frame = page.mainFrame();11const frameChannel = new FrameChannel(frame);12const elementHandle = await frame.$('div');13const elementHandleChannel = new ElementHandleChannel(elementHandle);14setupStatefulComponent(pageChannel, frameChannel, elementHandleChannel);15const { setupStatefulComponent } = require('playwright-core/​lib/​server/​supplements/​recorder/​recorderSupplement');16const { Page } = require('playwright-core/​lib/​server/​page');17const { PageChannel } = require('playwright-core/​lib/​server/​channels');18const { Frame } = require('playwright-core/​lib/​server/​frame');19const { FrameChannel } = require('playwright-core/​lib/​server/​channels');20const { ElementHandle } = require('playwright-core/​lib/​server/​dom');21const { ElementHandleChannel } = require('playwright-core/​lib/​server/​channels');22const page = await context.newPage();23const pageChannel = new PageChannel(page);24const frame = page.mainFrame();25const frameChannel = new FrameChannel(frame);26const elementHandle = await frame.$('div');27const elementHandleChannel = new ElementHandleChannel(elementHandle);28setupStatefulComponent(pageChannel, frameChannel, elementHandleChannel);29const { setupStatefulComponent } = require('playwright-core/​lib/​server/​supplements/​recorder/​recorderSupplement');30const { Page } = require('playwright-core/​lib/​server/​page');31const { PageChannel } = require('playwright-core/​lib/​server/​channels');32const { Frame } = require('playwright-core/​lib/​server/​frame');33const { FrameChannel } = require('playwright-core/​lib/​server/​channels');34const { ElementHandle } = require('playwright

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Using AI Code Generation

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1const { setupStatefulComponent } = require('playwright');2const { test } = require('@playwright/​test');3test('test', async ({ page }) => {4 const component = await setupStatefulComponent(page, 'my-component', {5 });6 expect(await component.getAttribute('name')).toBe('John Doe');7 expect(await component.getAttribute('age')).toBe('42');8 await component.setAttribute('name', 'Jane Doe');9 expect(await component.getAttribute('name')).toBe('Jane Doe');10});11const { html } = require('lit-html');12const { LitElement } = require('playwright');13class MyComponent extends LitElement {14 static get properties() {15 return {16 name: { type: String },17 age: { type: Number },18 };19 }20 render() {21 return html`<p>My name is ${this.name} and I'm ${this.age} years old</​p>`;22 }23}24module.exports = MyComponent;25#### `new Playwright(options)`

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Using AI Code Generation

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1const { setupStatefulComponent } = require('@playwright/​test/​lib/​utils/​statefulComponent');2const { test } = require('@playwright/​test');3test('test', async ({ page }) => {4 const statefulComponent = setupStatefulComponent(page);5 const statefulComponent = await statefulComponent.createStatefulComponent('button', { text: 'Button' });6 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });7 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });8 await statefulComponent.click();9});10const { test } = require('@playwright/​test');11test('test', async ({ page }) => {12 const statefulComponent = setupStatefulComponent(page);13 const statefulComponent = await statefulComponent.createStatefulComponent('button', { text: 'Button' });14 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });15 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });16 await statefulComponent.click();17});18#### statefulComponent.createStatefulComponent(selector, options)

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Using AI Code Generation

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1const { setupStatefulComponent } = require('@playwright/​test/​lib/​utils/​statefulComponent');2const { test } = require('@playwright/​test');3test('test', async ({ page }) => {4 const statefulComponent = setupStatefulComponent(page);5 const statefulComponent = await statefulComponent.createStatefulComponent('button', { text: 'Button' });6 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });7 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });8 await statefulComponent.click();9});10const { test } = require('@playwright/​test');11test('test', async ({ page }) => {12 const statefulComponent = setupStatefulComponent(page);13 const statefulComponent = await statefulComponent.createStatefulComponent('button', { text: 'Button' });14 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });15 const statefulComponent = await statefulComponent.getStatefulComponent('button', { text: 'Button' });16 await statefulComponent.click();17});18#### statefulComponent.createStatefulComponent(selector, options)

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Using AI Code Generation

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1import { setupStatefulComponent } from 'playwright';2import { Component } from './​component';3describe('Component', () => {4 it('should work', async () => {5 const { page, component } = await setupStatefulComponent(Component);6 await page.setContent('<div id="root"></​div>');7 await component.mount('#root');8 await component.click('button');9 await component.expectText('h1', 'Hello, World!');10 });11});12**Note:** This API is experimental and subject to change. Please report any issues you find to the [Playwright GitHub repository](

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Using AI Code Generation

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1const { setupStatefulComponent } = require('playwright');2const { expect } = require('chai');3const { getTestState } = setupStatefulComponent({4 state: {5 },6 actions: {7 incrementCounter: ({ state }) => {8 state.counter++;9 },10 incrementCounterBy: ({ state }, value) => {11 state.counter += value;12 },13 },14 selectors: {15 counter: ({ state }) => state.counter,16 },17});18describe('test', () => {19 it('should increment counter', async () => {20 getTestState().incrementCounter();21 expect(getTestState().counter).to.equal(1);22 });23 it('should increment counter by a value', async () => {24 getTestState().incrementCounterBy(5);25 expect(getTestState().counter).to.equal(6);26 });27});28[Apache 2.0](LICENSE)

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Using AI Code Generation

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1const component = await page.setupStatefulComponent('MyComponent');2await component.click();3await component.type('Hello World');4const text = await component.textContent();5await component.selectOption('option 1');6await component.check();7await component.uncheck();8await component.waitForSelector('selector');9await component.waitForFunction('function');10await component.waitForTimeout('timeout');11await component.waitForEvent('event');12await component.evaluate('function');13 methods: {14 setCount(count) {15 return this.page.evaluate((count) => {16 this.count = count;17 }, count);18 },19 getCount() {20 return this.page.evaluate(() => this.count);21 },22 },23 });24 await component.setCount(10);25 const count = await component.getCount();26 expect(count).toBe(10);27});28class MyComponent extends HTMLElement {29 connectedCallback() {30 this.count = 0;31 }32}33window.customElements.define('my-component', MyComponent);34const { test } = require('@playwright/​test');35const { setupStatefulComponent } = require('playwright-internal');36test('My test', async () => {37 const { page } = testInfo;38 const component = await setupStatefulComponent(page, {39 methods: {40 setCount(count) {41 return this.page.evaluate((count) => {42 this.count = count;43 }, count);44 },45 getCount() {46 return this.page.evaluate(() => this.count);47 },48 },49 });50 await component.setCount(10);51 const count = await component.getCount();52 expect(count).toBe(10);53});

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Using AI Code Generation

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1const component = await page.setupStatefulComponent('MyComponent');2await component.click();3await component.type('Hello World');4const text = await component.textContent();5await component.selectOption('option 1');6await component.check();7await component.uncheck();8await component.waitForSelector('selector');9await component.waitForFunction('function');10await component.waitForTimeout('timeout');11await component.waitForEvent('event');12await component.evaluate('function');

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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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