How to use shouldUpdateComponent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

UI.framework.js

Source:UI.framework.js Github

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...84 if (instance.state !== undefined) {85 $.state(instance.state)86 $.observer(instance.state, function (prevState, newState) {87 if (instance.shouldUpdateComponent !== undefined88 && !instance.shouldUpdateComponent(prevState, newState)) {89 return90 }91 instance._render(_renderCallback)92 })93 }94 if (props !== undefined) {95 //instance.props = props96 if (instance.props.data !== undefined) {97 $.observer(instance.props.data, function (prevState, newState) {98 if (instance.shouldUpdateComponent !== undefined99 && !instance.shouldUpdateComponent(prevState, newState)) {100 return101 }102 instance._render(_renderCallback)103 })104 }105 }106 instance._render = function (callback) {107 return Handlebars.getTemplate(instance.templateName).then(function (template) {108 let fragment = BrowserDOM(template(instance.getTemplateData ? instance.getTemplateData() : null))109 return callback(instance.render(fragment))110 })111 }112 function _renderCallback (newFragment) {113 if (instance.fragment !== undefined) {...

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Component.js

Source:Component.js Github

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...15 this.updaters.length = 0;16 this.isBatchingUpdates = false;17 },18}; 19function shouldUpdateComponent(classInstance, nextProps, nextState) {20 // 无论组件视图是否需要更新我们组件内部的转台是最新的21 classInstance.props = nextProps || classInstance.props;22 classInstance.state = nextState || classInstance.state;23 // 进行判断是否需要更新的判断 只有shouldComponentUpdate 存在的时候 并且执行返回结果是TRUE的时候我们才会进行更新 否则的话就直接返回停止执行 这样也进行了我们组件内部如果没有写shouldUpdateComponent的时候默认进行更新24 if (25 classInstance.shouldUpdateComponent &&26 !classInstance.shouldUpdateComponent(nextProps, nextState)27 ) {28 return;29 }30 classInstance.forceUpdate();31}32class Updater {33 constructor(classInstance) {34 this.classInstance = classInstance;35 this.pendingState = [];36 }37 addState(partialState) {38 this.pendingState.push(partialState);39 this.emitUpdate();40 }41 emitUpdate(nextProps) {42 this.nextProps = nextProps;43 if (this.nextProps || !updateQueue.isBatchingUpdates) {44 this.updateComponent();45 } else {46 updateQueue.add(this);47 }48 }49 updateComponent() {50 const { classInstance, pendingState, nextProps } = this;51 if (nextProps || pendingState.length) {52 // classInstance.state = this.getState();53 // classInstance.forceUpdate();54 shouldUpdateComponent(classInstance, nextProps, this.getState());55 }56 }57 getState() {58 let { classInstance, pendingState } = this;59 const { state } = classInstance;60 let nextState = state;61 if (pendingState.length) {62 pendingState.forEach((partialState) => {63 if (isFunction(partialState)) {64 nextState = { ...partialState, ...partialState(nextState) };65 } else {66 nextState = { ...nextState, ...partialState };67 }68 });...

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ChildReconciler.js

Source:ChildReconciler.js Github

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...35 let prevChild = prevChildren[childKey];36 let prevElement = prevChild && prevChild._currentElement;37 let nextElement = nextChildren[childKey];38 // Update39 if (prevChild && shouldUpdateComponent(prevElement, nextElement)) {40 // Update the existing child with the reconciler. This will recurse41 // through that component's subtree.42 Reconciler.receiveComponent(prevChild, nextElement);43 // We no longer need the new instance, so replace it with the old one.44 nextChildren[childKey] = prevChild;45 } else {46 // Otherwise47 // Remove the old child. We're replacing.48 if (prevChild) {49 // TODO: make this work for composites50 removedChildren[childKey] = prevChild._domNode;51 Reconciler.unmountComponent(prevChild);52 }53 // Instantiate the new child....

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react.js

Source:react.js Github

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...59 // Find the internal instance and update it60 let id = node.dataset[ROOT_KEY];61 let instance = instancesByRootID[id];62 let prevElem = instance_currentElement;63 if (shouldUpdateComponent(prevElem, element)) {64 // Send the new element to the instance65 Reconciler.receiveComponent(instance, element);66 } else {67 // Unmount and then mount the new one68 unmountComponentAtNode(node);69 mount(element, node);70 }71}72// This determines if we're going to end up73// reusing an internal instance or not. This is74// one of the big shortcuts that React does,75// stopping us from instantiating and comparing76// full threes. Instead we immediately throw away77// a subtree when updating from one element type78// to another.79function shouldUpdateComponent(prevElement, nextElement) {80 // Simply use element.type.81 // 'div' !== 'span'82 // ColorSwatch !== 'CounterButton'83 // Note: In React we would also look at the key.84 return prevElement.type === nextElement.type;...

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Mount.js

Source:Mount.js Github

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...47 assert(node && isRoot(node));48 // Find the internal instance and update it49 let id = node.dataset[ROOT_KEY];50 let instance = instancesByRootID[id];51 if (shouldUpdateComponent(instance, element)) {52 // TODO: do the update53 } else {54 // Unmount and then mount the new one55 unmountComponentAtNode(node);56 mount(element, node);57 }58 // TODO: update59}60function unmountComponentAtNode(node) {61 // Ensure we have a valid root node62 assert(node && isRoot(node));63 let id = node.dataset[ROOT_KEY];64 // In React we would do a batch unmount operation. This would in turn call65 // componentWillUnmount for each instance. We aren't going to support that,...

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updateChildren.js

Source:updateChildren.js Github

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...11 // 三种情况12 // 1. prev element 存在，类型和 next element 相同13 // 2. prev element 存在，类型和 next element 不同，删除再插入一个新的14 // 3. prev element 不存在, 应该插入一个新的15 if (prevElement && shouldUpdateComponent(prevElement, nextElement)) {16 // just update17 refreshComponent(prevChildComponent, nextElement);18 nextChildren[childKey] = prevChildComponent;19 } else {20 if (prevChildComponent) {21 removeNodes[childKey] = prevChildComponent._domNode;22 prevChildComponent.unmountComponent();23 }24 // insert new child25 const nextComponent = instantiateComponent(nextElement);26 nextChildren[childKey] = nextComponent;27 mountNodes.push(nextComponent.mountComponent());28 }29 });...

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shouldUpdateComponent.js

Source:shouldUpdateComponent.js Github

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1import {isArray, isString, isNumber, isObject, isNull} from '../types';2function shouldUpdateComponent(prevElement, nextElement) {3 let prevEmpty = isNull(prevElement);4 let nextEmpty = isNull(nextElement);5 if (prevEmpty || nextEmpty) {6 return prevEmpty === nextEmpty;7 }8 if (isArray(prevElement) && isArray(nextElement)) {9 return true;10 }11 const isPrevStringOrNumber = isString(prevElement) || isNumber(prevElement);12 if (isPrevStringOrNumber) {13 return isString(nextElement) || isNumber(nextElement);14 } else {15 // prevElement and nextElement could be array, typeof [] is "object"16 return (...

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UserComponent.js

Source:UserComponent.js Github

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1import React from 'react';2import ShouldUpdateComponent from './ShouldUpdateComponent';3// ShouldUpdateComponent 是一个函数 执行后返回一个新函数 4// 在当前组件上注入getDerivedStateFromProps静态属性5@ShouldUpdateComponent(['name'])6class UserComponent extends React.Component {7 render() {8 const { user } = this.props;9 return (10 <div>11 <p>name: {user.name}</p>12 <p>age: {user.age}</p>13 </div>14 );15 }16}...

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Using AI Code Generation

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

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Using AI Code Generation

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1const {shouldUpdateComponent} = require('playwright/lib/server/webkit/wkPage');2const {Page} = require('playwright/lib/server/webkit/wkPage');3const {ElementHandle} = require('playwright/lib/server/webkit/wkElementHandle');4const page = new Page();5const elementHandle = new ElementHandle(page, 'some selector');6shouldUpdateComponent(elementHandle);

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Using AI Code Generation

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

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Using AI Code Generation

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1const { shouldUpdateComponent } = require('playwright/lib/server/dom.js');2const { assert } = require('chai');3describe('shouldUpdateComponent', () => {4 it('should return true if the component is updated', () => {5 const oldComponent = { name: 'div', attributes: { id: 'test' } };6 const newComponent = { name: 'div', attributes: { id: 'test' } };7 assert.strictEqual(shouldUpdateComponent(oldComponent, newComponent), true);8 });9});10const { shouldUpdateComponent } = require('playwright/lib/server/dom.js');11const { assert } = require('chai');12describe('shouldUpdateComponent', () => {13 it('should return true if the component is updated', () => {14 const oldComponent = { name: 'div', attributes: { id: 'test' } };15 const newComponent = { name: 'div', attributes: { id: 'test' } };16 assert.strictEqual(shouldUpdateComponent(oldComponent, newComponent), true);17 });18});19const { shouldUpdateComponent } = require('playwright/lib/server/dom.js');20const { assert } = require('chai');21describe('shouldUpdateComponent', () => {22 it('should return true if the component is updated', () => {23 const oldComponent = { name: 'div', attributes: { id: 'test' } };24 const newComponent = { name: 'div', attributes: { id: 'test' } };25 assert.strictEqual(shouldUpdateComponent(oldComponent, newComponent), true);26 });27});28const { shouldUpdateComponent } = require('playwright/lib/server/dom.js');29const { assert } = require('chai');30describe('shouldUpdateComponent', () => {31 it('should return true if the component is updated', () => {32 const oldComponent = { name: 'div', attributes: { id: 'test' } };33 const newComponent = { name: 'div', attributes: { id: 'test'

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Using AI Code Generation

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1const { shouldUpdateComponent } = require('playwright/lib/server/dom.js');2const { parse } = require('playwright/lib/server/common/parser.js');3const html = `<html><body><div id="container"><div id="child"></div></div></body></html>`;4const root = parse(html).documentElement;5const container = root.querySelector('#container');6const child = root.querySelector('#child');7const oldAttributes = container.getAttributeNames();8const newAttributes = ['id', 'class'];9const shouldUpdate = shouldUpdateComponent(oldAttributes, newAttributes);10console.log(shouldUpdate);

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Using AI Code Generation

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1const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');2const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');3const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');4const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');5const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');6const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');7const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');8const shouldUpdateComponent = require('playwright/lib/server/supplements/utils/shouldUpdateComponent');

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