How to use updateFunctionComponent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactDOM.js

Source: ReactDOM.js Github

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...24 }else if (typeof type === 'function') {25 node = type.isReactComponent26 ? /​/​ node = type.prototype.isReactComponent27 updateClassComponent(vnode)28 : updateFunctionComponent(vnode);29 }else if (type){30 node = document.createElement(type);31 }else {32 node = document.createDocumentFragment();33 }34 updateNode(node, props);35 /​/​判断一下是否还有子节点36 reconcilerChildren(props.children, node);37 return node;38}39function reconcilerChildren (children,node) {40 for (let i = 0; i < children.length; i++) {41 /​/​ console.log("children", children[i]); /​/​sy-log42 let child = children[i];43 /​/​ 遍历 创建元素44 /​/​ 判读children[i]类型45 if (Array.isArray(child)) {46 for (let j = 0; j < child.length; j++) {47 render(child[j], node);48 }49 } else {50 render(children[i], node);51 }52 }53}54/​/​ 更新节点上属性,如className、nodeValue等55function updateNode(node, nextVal) {56 Object.keys(nextVal)57 .filter(k => k !== "children")58 .forEach(k => {59 60 if (k.slice(0, 2) === "on") {61 /​/​ 以on开头,就认为是一个事件,源码处理复杂一些,62 /​/​ 源码里面有一张事件表对比63 let eventName = k.slice(2).toLocaleLowerCase();64 console.log(nextVal[k])65 node.addEventListener(eventName, nextVal[k]);66 } else {67 node[k] = nextVal[k];68 }69 console.log(node)70 });71}72/​/​ function组件,返回node73function updateFunctionComponent(vnode) {74 console.log("vnode",vnode)75 const {type, props} = vnode;76 const vvnode = type(props);77 const node = createNode(vvnode);78 return node;79}80function updateClassComponent(vnode) {81 const {type, props} = vnode;82 const cmp = new type(props); /​/​实例化83 const vvnode = cmp.render();84 const node = createNode(vvnode);85 return node;86}87export default{...

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render.js

Source: render.js Github

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...13 if (typeof type === 'function') {14 if (type.isReactClassComponent === true) {15 node = updateClassComponent(vnode, container)16 } else {17 node = updateFunctionComponent(vnode, container)18 }19 } else if (typeof type === 'string') {20 node = updateHostComponent(vnode, container)21 } else {22 node = document.createDocumentFragment()23 }24 reconcileChildren(children, node)25 return node26}2728function reconcileChildren(children, node) {29 children.forEach(child => {30 Array.isArray(child)31 ? child.forEach(c => render(c, node))32 : render(child, node)33 })34}3536function updateClassComponent(vnode, container) {37 const { type, props } = vnode38 const Type = type39 const component = new Type(props)40 const vvnode = component.render()41 const node = render(vvnode, container)42 component.container = container43 component.current = node44 return node45}46function updateFunctionComponent(vnode, container) {47 const { type, props } = vnode48 const vvnode = type(props)49 return render(vvnode, container)50}5152function updateHostComponent(vnode, container) {53 const { type, props } = vnode54 let node55 if (type === TEXT) {56 node = document.createTextNode(props.text)57 } else {58 node = document.createElement(type)59 updateAttributes(node, props)60 } ...

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kreact-dom.js

Source: kreact-dom.js Github

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...20 /​/​ class组件21 node = updateClassComponent(vnode);22 }else{23 /​/​ 函数组件24 node = updateFunctionComponent(vnode);25 }26 }else {27 node = updateFragmentComponent(vnode);28 }29 return node;30}31function updateHostComponent(vnode) {32 const { type, props } = vnode;33 let node = document.createElement(type);34 updateNode(node,props);35 reconcileChidlren(node, props.children)36 return node37}38function updateClassComponent(vnode){39 const {type,props} = vnode;40 41 /​/​ class 组件的render函数42 let classVNode = new type(props).render();43 return createNode(classVNode);44}45function updateFunctionComponent(vnode){46 const {type,props} = vnode;47 let node = type(props);48 return createNode(node);49}50function updateFragmentComponent(vnode){51 const {type,props} = vnode;52 let node = document.createDocumentFragment();53 console.log(vnode)54 reconcileChidlren(node,props.children)55 return node ;56}57function updateNode(node,props) {58 Object.keys(props).filter(item=>item!=='children').forEach(prop=>{59 node[prop] = props[prop]...

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ReactFiberWorkLoop.js

Source: ReactFiberWorkLoop.js Github

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...16 const {type} = wip;17 if (isStr(type)) {18 updateHostComponent(wip);19 } else if (isFn(type)) {20 updateFunctionComponent(wip);21 }22 /​/​ 2. 处理下一个任务23 /​/​ 深度优先遍历 王朝的故事24 if (wip.child) {25 wip = wip.child;26 return;27 }28 let next = wip;29 while (next) {30 if (next.sibling) {31 wip = next.sibling;32 return;33 }34 next = next.return;...

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k-react-dom.js

Source: k-react-dom.js Github

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...17 updateNode(node, props);18 } else if (isFn(type)) {19 node = type.prototype.isReactComponent20 ? updateClassComponent(vnode)21 : updateFunctionComponent(vnode);22 } else {23 node = document.createTextNode(vnode);24 }25 return node;26}27function updateClassComponent(vnode) {28 const { type, props } = vnode;29 const instance = new type(props);30 const child = instance.render();31 return createNode(child);32}33function updateFunctionComponent(vnode) {34 const { type, props } = vnode;35 const child = type(props);36 return createNode(child);37}38function updateNode(node, nextValue) {39 Object.keys(nextValue).forEach((k) => {40 if (k !== "children") {41 node[k] = nextValue[k];42 }43 });44}45function reconcileChildren(parentNode, children) {46 let newChildren = Array.isArray(children) ? children : [children];47 for (let i = 0; i < newChildren.length; i++) {...

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react-dom.js

Source: react-dom.js Github

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...10 } else if (typeof type === 'string') {11 node = document.createElement(type, props)12 } else if (typeof type === 'function') {13 node = type.isReactComponent14 ? updateFunctionComponent(type, props)15 : updateClassComponents(type, props)16 }17 const childrens = props.children18 if (childrens.length > 0) {19 childrens.forEach(child => {20 render(child, node)21 })22 }23 updateNode(node, props)24 return node;25}26function updateFunctionComponent(type, props) {27 return createNode(type(props))28}29function updateClassComponents(type, props) {30 return createNode(new type(props).render())31}32function updateNode(node, nextVal) {33 let eventName34 Object.keys(nextVal).forEach(key => {35 if (key === 'children') return36 if ((eventName = key.slice(0, 2)) === "on") {37 node.addEventListener(eventName, nextVal[key]);38 } else {39 node[key] = nextVal[key];40 }...

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fiber.js

Source: fiber.js Github

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1import { reconcileChildren } from "./​reconcile";2import { createDom } from "./​dom";3const w = window;4function updateFunctionComponent(fiber) {5 w.wipFiber = fiber;6 w.hookIndex = 0;7 w.wipFiber.hooks = [];8 const children = [fiber.type(fiber.props)];9 reconcileChildren(fiber, children);10}11function updateHostComponent(fiber) {12 if (!fiber.dom) {13 fiber.dom = createDom(fiber);14 }15 reconcileChildren(fiber, fiber.props.children);16}17/​*18 * fiber:19 * Parent -> First child20 * Any child -> Parent21 * First child -> second child -> third child22 */​23function performUnitOfWork(fiber) {24 const isFunctionComponent = fiber.type instanceof Function;25 if (isFunctionComponent) {26 updateFunctionComponent(fiber);27 } else {28 updateHostComponent(fiber);29 }30 /​/​ order of finding next unit of work31 /​/​ child -> child's sibling -> .. -> child's sibling -> parent32 if (fiber.child) {33 return fiber.child;34 }35 let nextFiber = fiber;36 while (nextFiber) {37 if (nextFiber.sibling) {38 return nextFiber.sibling;39 }40 nextFiber = nextFiber.parent;...

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react08.js

Source: react08.js Github

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1function reconcileChildren(work,children){2}3updateFunctionComponent();4updateClassComponent();5/​/​ 函数组件6function updateFunctionComponent(workInProgress){7 const {type,props} = workInProgress;8 const children = type(props);9 reconcileChildren(workInProgress,children);10}11/​/​ 函数组件12function updateClassComponent(workInProgress){13 const {type,props} = workInProgress;14 const instance = new type(props);15 const children = instance.render();16 17 reconcileChildren(workInProgress,children);...

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Using AI Code Generation

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1const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');2const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');3const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');4const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');5const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');6const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');7const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');8const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');9const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');10const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');11const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');12const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');13const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');14const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');15const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');16const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');17const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');18const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');19const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');20const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder

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Using AI Code Generation

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1const { Page } = require('playwright');2const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');3const { findSourceLocation, updateSourceLocation } = require('playwright/​lib/​server/​supplements/​recorder/​sourceLocation');4const { getFunctionBody } = require('playwright/​lib/​server/​supplements/​recorder/​utils');5const page = new Page();6const fn = async () => {7 await page.click('text=Click me');8};9const source = getFunctionBody(fn);10const { name, location } = findSourceLocation(source);11const newSource = updateSourceLocation(source, name, location, updateFunctionComponent);12console.log(newSource);13const { Page } = require('playwright');14const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');15const { findSourceLocation, updateSourceLocation } = require('playwright/​lib/​server/​supplements/​recorder/​sourceLocation');16const { getFunctionBody } = require('playwright/​lib/​server/​supplements/​recorder/​utils');17const page = new Page();18const fn = async () => {19 await page.click('text=Click me');20};21const source = getFunctionBody(fn);22const { name, location } = findSourceLocation(source);23const newSource = updateSourceLocation(source, name, location, updateFunctionComponent);24console.log(newSource);25const { Page } = require('playwright');26const { updateFunctionComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');27const { findSourceLocation, updateSourceLocation } = require('playwright/​lib/​server/​supplements/​recorder/​sourceLocation');28const { getFunctionBody } = require('playwright/​lib/​server/​supplements/​recorder/​utils');29const page = new Page();30const fn = async () => {31 await page.click('text=Click me');32};33const source = getFunctionBody(fn);34const { name, location } = findSourceLocation(source);35const newSource = updateSourceLocation(source, name, location, updateFunctionComponent);36console.log(newSource);

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Using AI Code Generation

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1const { updateFunctionComponent } = require('playwright/​lib/​server/​dom');2updateFunctionComponent('test', (arg1, arg2) => {3 console.log(arg1, arg2);4});5const { test } = require('./​test');6await test('arg1', 'arg2');7const { updateFunctionComponent } = require('playwright/​lib/​server/​dom');8updateFunctionComponent('test', (arg1, arg2) => {9 console.log(arg1, arg2);10});11const { test } = require('./​test');12await test('arg1', 'arg2');13const { updateFunctionComponent } = require('playwright/​lib/​server/​dom');14updateFunctionComponent('test', (arg1, arg2) => {15 console.log(arg1, arg2);16});

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Using AI Code Generation

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1const { updateFunctionComponent } = require('playwright/​lib/​protocol/​protocol-types');2updateFunctionComponent({ name: 'test', source: '() => {}' });3const { updateFunctionComponent } = require('playwright');4updateFunctionComponent({ name: 'test', source: '() => {}' });5### `updateFunctionComponent(params)`6const { updateFunctionComponent } = require('playwright');7updateFunctionComponent({ name: 'test', source: '() => {}' });

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Using AI Code Generation

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1const { updateFunctionComponent } = require('@playwright/​test/​lib/​test');2updateFunctionComponent('my-component', (component) => {3 component.addLocator('my-locator', (name, parent) => {4 return parent.querySelector(`[data-test="${name}"]`);5 });6});7const { test } = require('@playwright/​test');8test('my test', async ({ page }) => {9 await page.locator('my-component/​my-locator=my-test');10});

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Using AI Code Generation

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1const { updateFunctionComponent } = require('playwright/​lib/​server/​domSnapshot');2const { parseFunction } = require('playwright/​lib/​server/​inspector/​inspector');3const { domSnapshot } = require('./​domSnapshot');4const { domSnapshot: domSnapshot2 } = require('./​domSnapshot2');5const { domSnapshot: domSnapshot3 } = require('./​domSnapshot3');6const { domSnapshot: domSnapshot4 } = require('./​domSnapshot4');7const { domSnapshot: domSnapshot5 } = require('./​domSnapshot5');8const { updateFunctionComponent } = require('playwright/​lib/​server/​domSnapshot');9const { parseFunction } = require('playwright/​lib/​server/​inspector/​inspector');10const { domSnapshot } = require('./​domSnapshot');11const { domSnapshot: domSnapshot2 } = require('./​domSnapshot2');12const { domSnapshot: domSnapshot3 } = require('./​domSnapshot3');13const { domSnapshot: domSnapshot4 } = require('./​domSnapshot4');14const { domSnapshot: domSnapshot5 } = require('./​domSnapshot5');15const { domSnapshot: domSnapshot6 } = require('./​domSnapshot6');16const { domSnapshot: domSnapshot7 } = require('./​domSnapshot7');17const { domSnapshot: domSnapshot8 } = require('./​domSnapshot8');18const { domSnapshot: domSnapshot9 } = require('./​domSnapshot9');19const { domSnapshot: domSnapshot10 } = require('./​domSnapshot10');20const { domSnapshot: domSnapshot11 } = require('./​domSnapshot11');21const { domSnapshot: domSnapshot12 } = require('./​domSnapshot12');22const { domSnapshot: domSnapshot13 } = require('./​domSnapshot13');23const { domSnapshot: domSnapshot14 } = require('./​domSnapshot14');24const { domSnapshot: domSnapshot15 } = require('./​domSnapshot15');25const { domSnapshot: domSnapshot16 } = require('./​domSnapshot16');26const { domSnapshot: domSnapshot17 } = require('./​domSnapshot17');27const { domSnapshot: domSnapshot18 } = require('./​domSnapshot18');28const { domSnapshot: domSnapshot19 } = require('./​domSnapshot19');29const { domSnapshot: domSnapshot20 } = require('./​domSnapshot20');30const { domSnapshot: domSnapshot21 } = require('./​domSnapshot21');31const { domSnapshot: domSnapshot

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Using AI Code Generation

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1const { updateFunctionComponent } = require('playwright');2updateFunctionComponent('MyComponent', (props) => ({3}));4const { updateFunctionComponent } = require('playwright');5updateFunctionComponent('MyComponent', (props) => ({6}));7const { updateFunctionComponent } = require('playwright');8updateFunctionComponent('MyComponent', (props) => ({9}));10const { updateFunctionComponent } = require('playwright');11updateFunctionComponent('MyComponent', (props) => ({12}));13const { updateFunctionComponent } = require('playwright');14updateFunctionComponent('MyComponent', (props) => ({15}));16const { updateFunctionComponent } = require('playwright');17updateFunctionComponent('MyComponent', (props) => ({18}));19const { updateFunctionComponent } = require('playwright');20updateFunctionComponent('MyComponent', (props) => ({21}));22const { updateFunctionComponent } = require('playwright');23updateFunctionComponent('MyComponent', (props) => ({24}));25const { updateFunctionComponent } = require('playwright');26updateFunctionComponent('

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Using AI Code Generation

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1const { updateFunctionComponent } = require('playwright/​lib/​server/​inspector/​inspector.js');2const text = 'Hello World';3const component = (props) => {4 return <div>{props.text}</​div>5}6updateFunctionComponent(component, { text });7const { updateFunctionComponent } = require('playwright');8const text = 'Hello World';9const component = (props) => {10 return <div>{props.text}</​div>11}12updateFunctionComponent(component, { text });13const { updateFunctionComponent } = require('playwright');14const text = 'Hello World';15const component = (props) => {16 return <div>{props.text}</​div>17}18updateFunctionComponent(component, { text });19const { updateFunctionComponent } = require('playwright');20const text = 'Hello World';21const component = (props) => {22 return <div>{props.text}</​div>23}24updateFunctionComponent(component, { text });25const { updateFunctionComponent } = require('playwright');26const text = 'Hello World';27const component = (props) => {28 return <div>{props.text}</​div>29}30updateFunctionComponent(component, { text });31const { updateFunctionComponent } = require('playwright');32const text = 'Hello World';33const component = (props) => {34 return <div>{props.text}</​div>35}36updateFunctionComponent(component, { text });

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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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