How to use updateMemoComponent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

0__index.js

Source: 0__index.js Github

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...198 }199 }200 }201 _resolvedProps3 = resolveDefaultProps(_type2.type, _resolvedProps3);202 return updateMemoComponent(current$$1, workInProgress, _type2, _resolvedProps3, updateExpirationTime, renderExpirationTime);203 }204 case SimpleMemoComponent: {205 return updateSimpleMemoComponent(current$$1, workInProgress, workInProgress.type, workInProgress.pendingProps, updateExpirationTime, renderExpirationTime);206 }207 case IncompleteClassComponent: {208 var _Component3 = workInProgress.type;209 var _unresolvedProps4 = workInProgress.pendingProps;210 var _resolvedProps4 = workInProgress.elementType === _Component3 ? _unresolvedProps4 : resolveDefaultProps(_Component3, _unresolvedProps4);211 return mountIncompleteClassComponent(current$$1, workInProgress, _Component3, _resolvedProps4, renderExpirationTime);212 }213 case SuspenseListComponent: {214 return updateSuspenseListComponent(current$$1, workInProgress, renderExpirationTime);215 }216 case FundamentalComponent: {...

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component.js

Source: component.js Github

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...175 if (newVdom.props.content) { /​/​ oldVdom.props.content !== newVdom.props.content176 currentDOM.textContent = newVdom.props.content177 }178 } else if (oldVdom.type && oldVdom.type.$$typeof === REACT_MEMO) {179 updateMemoComponent(oldVdom, newVdom)180 } else if (oldVdom.type && oldVdom.type.$$typeof === REACT_PROVIDER) {181 updateProviderComponent()182 } else if (oldVdom.type && oldVdom.type.$$typeof === REACT_CONTEXT) {183 updateConsumerComponent()184 } else if (typeof oldVdom.type === 'string') {185 /​/​ 让newVdom.dom = oldVdom.dom ---> 复用老的dom,只更新属性186 let currentDOM = (newVdom.dom = findDOM(oldVdom) || createDOM(oldVdom))187 /​/​ 用新的属性替换掉旧的属性188 updateProps(currentDOM, oldVdom.props, newVdom.props)189 updateChildren(currentDOM, oldVdom.props.children, newVdom.props.children)190 } else if (typeof oldVdom.type === 'function') {191 if (oldVdom.type.isReactComponent) {192 updateClassComponent(oldVdom, newVdom) /​/​ 类组件193 } else {194 updateFunctionComponent(oldVdom, newVdom) /​/​ 函数组件195 }196 }197}198function updateChildren(parentNode, oldVChildren, newVChildren) {199 oldVChildren = Array.isArray(oldVChildren) ? oldVChildren : [oldVChildren]200 newVChildren = Array.isArray(newVChildren) ? newVChildren : [newVChildren]201 const maxLength = Math.max(oldVChildren.length, newVChildren.length)202 for (let i = 0; i < maxLength; i += 1) {203 /​/​ 找到当前虚拟dom之后的最近的一个 vdom204 const nextVNode = oldVChildren.find(205 (item, index) => index > i && item && findDOM(item)206 )207 const nextDOM = nextVNode && findDOM(nextVNode)208 compareTwoVdmo(parentNode, oldVChildren[i], newVChildren[i], nextDOM)209 }210}211function updateMemoComponent(oldVdom, newVdom) {212 /​/​ prevProps是加载memo组件的时候加上的,这里更新的时候需要做新旧props的比较213 /​/​ type就是React.memo返回的 { compare: shallowEqual, $$typeof: REACT_MEMO, type: FunctionComponent }214 const { type, prevProps } = oldVdom215 if (type.compare(prevProps, newVdom.props)) {216 /​/​ 新旧props相等,则不更新,把旧的vdom赋值给新的就好了217 newVdom.oldRenderElement = oldVdom.oldRenderElement218 newVdom.prevProps = oldVdom.props219 } else {220 const parentNode = findDOM(oldVdom).parentNod221 const { type, props } = newVdom222 const renderElement = type.type(props)223 newVdom.prevProps = props224 newVdom.oldRenderElement = renderElement225 compareTwoVdmo(parentNode, oldVdom.oldRenderElement, renderElement)...

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react-dom.js

Source: react-dom.js Github

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...305 }306 }else if (oldVdom.type && oldVdom.type.$$typeof === REACT_FORWARD_REF_TYPE) {307 updateForwardComponent(oldVdom, newVdom)308 } else if (oldVdom.type && oldVdom.type.$$typeof === REACT_MEMO) {309 updateMemoComponent(oldVdom, newVdom)310 } else if (oldVdom.type && oldVdom.type.$$typeof === REACT_PROVIDER) {311 updateProviderComponent(oldVdom, newVdom)312 } else if (oldVdom.type && oldVdom.type.$$typeof === REACT_CONTEXT) {313 updateContextComponent(oldVdom, newVdom)314 } else if (typeof oldVdom.type === 'function') { /​/​ 类组件或者函数组件315 if (oldVdom.type.isReactComponent) {316 updateClassComponent(oldVdom, newVdom)317 } else {318 updateFunctionComponent(oldVdom, newVdom)319 }320 }321}322function updateForwardComponent(oldVdom, newVdom) {323 const { type, props, ref } = newVdom324 let parentDom = findDOM(oldVdom).parentNode325 const renderVdom = type.render(props, ref)326 compareTwoVdom(parentDom, oldVdom.oldRenderVdom, renderVdom)327 newVdom.oldRenderVdom = renderVdom328}329function updateMemoComponent(oldVdom, newVdom) {330 const { type, props, ref } = newVdom331 if (type.compare(oldVdom.prevProps, props)) {332 newVdom.prevProps = props333 newVdom.oldRenderVdom = oldVdom.oldRenderVdom334 } else {335 let parentDom = findDOM(oldVdom).parentNode336 if (typeof type.type === 'function') {337 newVdom.oldRenderVdom = type.type(props)338 newVdom.prevProps = props339 compareTwoVdom(parentDom, oldVdom.oldRenderVdom, newVdom.oldRenderVdom)340 } else {341 type.props = props342 type.ref = ref343 newVdom.prevProps = props...

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ReactFiberBeginWork.js

Source: ReactFiberBeginWork.js Github

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...246 }247 }248 }249 resolvedProps = resolveDefaultProps(type.type, resolvedProps);250 return updateMemoComponent(251 current,252 workInProgress,253 type,254 resolvedProps,255 updateExpirationTime,256 renderExpirationTime,257 );258 }259 case SimpleMemoComponent: {260 return updateSimpleMemoComponent(261 current,262 workInProgress,263 workInProgress.type,264 workInProgress.pendingProps,...

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Using AI Code Generation

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1const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');2const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');3const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');4const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');5const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');6const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');7const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');8const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');9const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');10const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');11const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');12const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');13const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');14const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');15const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');16const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');17const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​frames');

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Using AI Code Generation

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1const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');2const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');3const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');4const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');5const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');6const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');7const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');8const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');9const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');10const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');11const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');12const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');13const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');14const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');15const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');16const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');17const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');18const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');19const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');20const { getMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');21const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');

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Using AI Code Generation

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1const { updateMemoComponent } = require('@playwright/​test/​lib/​test/​page');2const { test } = require('@playwright/​test');3test('memo component test', async ({ page }) => {4 await page.waitForSelector('text=Get Started');5 await updateMemoComponent(page, 'text=Get Started');6 await page.waitForTimeout(1000);7 await updateMemoComponent(page, 'text=Get Started');8});9{10 "scripts": {11 },12 "devDependencies": {13 }14}15 at runMicrotasks (<anonymous>)16 at processTicksAndRejections (internal/​process/​task_queues.js:93:5)17 at async Object.waitWithTimeout (/​home/​rahul/​Workspace/​playwright-test/​node_modules/​playwright/​lib/​utils/​utils.js:135:5)18 at async Frame.waitForSelector (/​home/​rahul/​Workspace/​playwright-test/​node_modules/​playwright/​lib/​frames.js:766:5)19 at async Frame.waitForSelector (/​home/​rahul/​Workspace/​playwright-test/​node_modules/​playwright/​lib/​frames.js:757:16)20 at async Page.waitForSelector (/​home/​rahul/​Workspace/​playwright-test/​node_modules/​playwright/​lib/​frames.js:1098:5)21 at async Page.waitForSelector (/​home/​rahul/​Workspace/​playwright-test/​node_modules/​playwright/​lib/​frames.js:1090:16)22 at async Object.<anonymous> (/​home/​rahul/​Workspace/​playwright-test/​test.js:6:5)23 at runMicrotasks (<anonymous>)

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Using AI Code Generation

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1const { updateMemoComponent } = require('@playwright/​test/​lib/​server/​trace/​snapshotter');2const { Snapshotter } = require('@playwright/​test/​lib/​server/​trace/​snapshotter/​snapshotter');3const snapshotter = new Snapshotter();4const memo = {5 props: {6 },7 $$typeof: Symbol.for('react.element'),8};9const updatedMemo = updateMemoComponent(snapshotter, memo, [], {10 props: {11 },12 $$typeof: Symbol.for('react.element'),13});14console.log(updatedMemo);15const { updateContextProvider } = require('@playwright/​test/​lib/​server/​trace/​snapshotter');16const { Snapshotter } = require('@playwright/​test/​lib/​server/​trace/​snapshotter/​snapshotter');17const snapshotter = new Snapshotter();18const provider = {19 props: {20 },21 $$typeof: Symbol.for('react.provider'),22};23const updatedProvider = updateContextProvider(snapshotter, provider, [], {24 props: {25 },26 $$typeof: Symbol.for('react.provider'),27});28console.log(updatedProvider);29const { updateContextConsumer } = require('@playwright/​test/​lib/​server/​trace/​snapshotter');30const { Snapshotter } = require('@playwright/​test/​lib/​server/​trace/​snapshotter/​snapshotter');31const snapshotter = new Snapshotter();32const consumer = {33 props: {

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Using AI Code Generation

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

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Using AI Code Generation

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1const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');2const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');3const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');4const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');5const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');6const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');7const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');8const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');9const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');10const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');11const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');12const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');13const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');14const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');15const { updateMemoComponent } = require('playwright/​lib/​server/​domSnapshotRenderer');

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Using AI Code Generation

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1const{ updaeMemoCompnent } = require('playwright/​lib/​utils/​recorderUtils');2updateMemoComponent('test', 'test');3const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');4updateMemoComponent({ foo: 'bar' });5const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');6updateMemoComponent({ foo: 'bar' });7const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');8updateMemoComponent({ foo: 'bar' });9const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');10updateMemoComponent({ foo: 'bar' });11const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');12updateMemoComponent({ foo: 'bar' });13const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');14updateMemoComponent({ foo: 'bar' });15const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');16updateMemoComponent({ foo: 'bar' });17const { updateMemoComponent } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');18updateMemoComponent({ foo: 'bar' });

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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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