How to use FiberNode method in Playwright Internal

Best JavaScript code snippet using playwright-internal

schedulePlusRender.js

Source:schedulePlusRender.js Github

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1import { createElement } from "./react";2import { sleep } from "./helper";3/**4 * @typedef { import("./react").Props } Props5 * @typedef { import("./react").VirtualDOM} VirtualDOM6 *7 *8 * @typedef {object} FiberNode9 * @property {string} tag10 * @property {string} type11 * @property {string} key12 * @property {HTMLElement} stateNode13 * @property {Props} props14 * @property {FiberNode} [child]15 * @property {FiberNode} [sibling]16 * @property {FiberNode} [return]17 * @property {FiberNode} [firstEffect]18 * @property {FiberNode} [lastEffect]19 * @property {FiberNode} [nextEffect]20 * @property {string} [flags]21 */22// 1. 定义JSX23const A = createElement(24 "div",25 {26 key: "A",27 },28 [29 createElement("div", { key: "B1" }, []),30 createElement("div", { key: "B2" }, []),31 ]32 // [33 // createElement("div", { key: "B1" }, [34 // createElement("div", {key: "C1"}, []),35 // createElement("div", {key: "C2"}, []),36 // ]),37 // createElement("div", { key: "B2" }, [38 // createElement("div", {key: "C3"}, []),39 // createElement("div", {key: "C4"}, []),40 // ]),41 // createElement("div", { key: "B3" }, [42 // createElement("div", {key: "C5"}, []),43 // createElement("div", {key: "C6"}, []),44 // ]),45 // ]46);47const root = document.getElementById("root");48let rootFiber = {49 tag: TAG_ROOT, // Fiber的类型50 key: "ROOT", // 唯一标签51 stateNode: root, // Fiber对应的真实DOM节点52 props: {53 children: [A],54 },55};56//2.57const TAG_ROOT = "TAG_ROOT"; // Fiber根节点58const TAG_HOST = "TAG_HOST"; // 原生DOM节点59const PLACEMENT = "PLACEMENT"; // 原生DOM节点60/**@type {FiberNode|null} */61let workInProgress; // 当前正在处理的Fiber62/**63 *64 * @param {IdleDeadline} deadline65 */66function workloop(deadline) {67 console.log(`本帧的剩余时间是(${parseInt(deadline.timeRemaining())})`);68 while (deadline.timeRemaining() > 0 && workInProgress) {69 workInProgress = performUnitOfWork(workInProgress);70 sleep(10);71 }72 if (workInProgress) {73 requestIdleCallback(workloop);74 } else {75 console.log(rootFiber);76 commitRoot(rootFiber);77 }78}79/**80 * commit 将子节点关联起来81 * @param {FiberNode} rootFiber82 */83function commitRoot(rootFiber) {84 console.log("******commit****");85 let currentEffect = rootFiber.firstEffect;86 while (currentEffect) {87 let flags = currentEffect.flags;88 switch (flags) {89 case PLACEMENT:90 commitPlacement(currentEffect);91 }92 currentEffect = currentEffect.nextEffect;93 }94}95/**96 * 插入97 * @param {FiberNode} currentEffect98 */99function commitPlacement(currentEffect) {100 let parent = currentEffect.return.stateNode; // 父DOM节点什么时候创建的101 parent.appendChild(currentEffect.stateNode);102}103/**104 * 执行一个Fiber节点（任务），返回下一个要处理的Fiber节点105 * @param {FiberNode} workInProgress106 * @returns {FiberNode}107 */108function performUnitOfWork(workInProgress) {109 beginWork(workInProgress);110 // 1. 有大儿子，把大儿子作为下一个任务111 if (workInProgress.child) {112 // 创建完子fiber链表后，如果有大儿子，113 return workInProgress.child; // 返回大儿子，构建大儿子的儿子们114 }115 // 2. 没大儿子，找弟弟116 // 没弟弟，找父亲的弟弟117 // 没父亲的弟弟，找父亲的父亲的弟弟118 // ...119 while (workInProgress) {120 // 看看有没有弟弟121 // 没有儿子，结束122 completeUnitOfWork(workInProgress);123 // 还有弟弟，找弟弟124 if (workInProgress.sibling) {125 return workInProgress.sibling;126 }127 // 回溯。如果也没有弟弟，找叔叔，即找爸爸的弟弟， wip.reutrn.silbing128 workInProgress = workInProgress.return;129 // 如果没有父亲，就全部结束了130 }131}132/**133 * Fiber在结束的时候，要134 * 1. 创建真实的DOM元素（只createElement，不进行appendChild。appendChild在commit阶段进行）135 * 2. 创建effect list136 * @param {FiberNode} workInProgress137 */138function completeUnitOfWork(workInProgress) {139 console.log("completeWork", workInProgress.key);140 let stateNode; // 真实DOM141 switch (workInProgress.tag) {142 case TAG_HOST:143 stateNode = createStateNode(workInProgress);144 break;145 case TAG_ROOT:146 break;147 }148 makeEffectList(workInProgress);149}150/**151 * 在完成工作的单元的时候，要判断当前的fiber节点有没有对应的DOM操作152 * EffectList是一个FiberNode单链表153 * EffectList副作用链，并不是包含所有的节点，而是包含有副作用的fiber节点154 * 对于初次渲染而言, 所有节点都要包含155 * 副作用链是一个单链表，涉及三个指针，firstEffect，nextEffect和lastEffect156 * 全局firstEffect指向链表头，全局lastEffect指向链表尾，157 * 每个effect结点还有个nextEffect指针指向下一个effect节点158 * @param {FiberNode} completeWork159 */160function makeEffectList(completeWork) {161 let returnFiber = completeWork.return;162 if (returnFiber) {163 if (!returnFiber.firstEffect) {164 returnFiber.firstEffect = completeWork.firstEffect;165 }166 // 将completeWork的链表合并进来167 if (completeWork.lastEffect) {168 if (returnFiber.lastEffect) {169 returnFiber.lastEffect.nextEffect = completeWork.firstEffect;170 }171 returnFiber.lastEffect = completeWork.lastEffect;172 }173 // 将completeWork本身加进链表，放到最后174 if (completeWork.flags) {175 if (returnFiber.lastEffect) {176 returnFiber.lastEffect.nextEffect = completeWork;177 } else {178 returnFiber.firstEffect = completeWork;179 }180 returnFiber.lastEffect = completeWork;181 }182 }183}184/**185 * create dom186 * @param {FiberNode} fiber187 * @returns {HTMLElement}188 */189function createStateNode(fiber) {190 if (fiber.tag === TAG_HOST) {191 let stateNode = document.createElement(fiber.type);192 fiber.stateNode = stateNode;193 }194 return fiber.stateNode;195}196/**197 * 根据当前Fiber和虚拟DOM构建Fiber树198 * @param {FiberNode} workInProgress199 * @returns {FiberNode}200 */201function beginWork(workInProgress) {202 console.log("beginWork", workInProgress.key);203 const nextChildren = workInProgress.props.children;204 // 根据父Fiber和所有的儿子虚拟DoOM儿子们构建出fiber树，只有一层205 // 先让父亲把儿子一个一个生出来，然后再说孙子的事206 return reconcileChildren(workInProgress, nextChildren);207}208/**209 * 根据父Fiber和子虚拟DOM数组，构建当前returnFiber的子Fiber树210 * 同时构造自己的child指针，以及子节点们的return和sibling指针211 * @param {FiberNode} returnFiber212 * @param {VirtualDOM} nextChildren213 * @returns {FiberNode}214 */215function reconcileChildren(returnFiber, nextChildren) {216 // if(!Array.isArray(nextChildren)) return null;217 let previousNewFiber; // 上一个Fiber儿子218 let firstChildFiber; // 当前returnFiber的大儿子219 for (let newIndex = 0; newIndex < nextChildren.length; ++newIndex) {220 let newFiber = createFiber(nextChildren[newIndex]);221 newFiber.flags = PLACEMENT; // 这是一个新节点，肯定要插入222 // return223 newFiber.return = returnFiber;224 // sibling225 if (!firstChildFiber) {226 firstChildFiber = newFiber;227 } else {228 previousNewFiber.sibling = newFiber;229 }230 previousNewFiber = newFiber;231 // // child232 // newFiber.child = Array.isArray(newFiber.props.children)233 // ? reconcileChildren(newFiber, newFiber.props.children)234 // : newFiber.props.children;235 }236 returnFiber.child = firstChildFiber;237 return firstChildFiber; // 返回大儿子238}239/**240 * 由虚拟DOM节点创建Fiber节点241 * Fiber节点多了tag属性和child/sibling/return三个指针242 * @param {VirtualDOM} element243 * @returns {FiberNode}244 */245function createFiber(element) {246 return {247 tag: TAG_HOST,248 type: element.type,249 key: element.key,250 props: element.props,251 };252}253// 开始根据虚拟DOM构建Fiber树254workInProgress = rootFiber;255// workloop();...

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App.js

Source:App.js Github

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1import React from 'react';2import { StyleSheet, Text, View,Dimensions,Animated,TouchableWithoutFeedback } from 'react-native';3import {Svg} from "expo";4import {Feather} from "@expo/vector-icons";5import * as Shape from "d3-shape";6export const tabBarHeight = 70;7export const width = Dimensions.get("window").width;8const AnimatedSvg = Animated.createAnimatedComponent(Svg);9const tabs = [10 {11 name: "grid",12 },13 {14 name: "list",15 },16 {17 name: "repeat",18 },19 {20 name: "map",21 },22 {23 name: "user",24 },25];26const tabWidth = width / tabs.length;27const {Path} = Svg;28const d3 = {Shape};29const lineMethod = d3.Shape.line().x((d)=>d.x).y((d)=>d.y);30const curveMethod = d3.Shape.line().x((d)=>d.x).y((d)=>d.y).curve(d3.Shape.curveBasis);31var left = lineMethod([32 {x:0,y:0},33 {x:width,y:0}34]);35var tab = curveMethod([36 {x:width,y:0},37 {x:width+10,y:5},38 {x:width+ 10, y:tabBarHeight-40},39 {x:width +tabWidth/2, y:tabBarHeight-20},40 {x:width+tabWidth-10, y:tabBarHeight-40},41 {x:width+tabWidth-10 , y:5},42 {x:width+tabWidth , y:0},43 44]);45var right = lineMethod([46 {x:2*width,y :0 },47 {x:2*width,y:tabBarHeight},48 {x:0,y:tabBarHeight},49 {x:0,y:0}50 51])52export default class App extends React.Component {53 constructor(props){54 super(props)55 this.prevval = new Animated.Value(0);56 this.xVal = this.prevval.interpolate({57 inputRange:[0,1,2,3,4],58 outputRange:[-5*tabWidth,-4*tabWidth,-3*tabWidth,-2*tabWidth,-1*tabWidth,],59 extrapolate:"clamp"60 })61 62 }63 changeBtn=(val)=>{64 Animated.spring(this.prevval,{65 toValue : val,66 friction :7,67 useNativeDriver:true68 }).start();69 }70 71 72 renderIcon = ( ) =>{73 return tabs.map((icon,index)=>{74 75 this.opAni = this.prevval.interpolate({76 inputRange:[index-1,index,index+1],outputRange:[0.99,0,1],77 extrapolate:"clamp"78 })79 return(80 <Animated.View81 key={index}82 style={{opacity:this.opAni}}83 >84 <TouchableWithoutFeedback85 onPress={()=>{86 this.changeBtn(index);87 }}88 >89 <Feather 90 name={icon.name}91 size={30}></Feather>92 </TouchableWithoutFeedback>93 </Animated.View>94 );95 })96}97renderIcon2 = ( ) =>{98 const check=tabs.map((icon,index)=>{99 this.opacityAni2 = this.prevval.interpolate({100 inputRange:[index-1,index,index+1],101 outputRange:[0,1,0],102 extrapolate:"clamp",103 })104 return(105 <Animated.View106 style={{opacity:this.opacityAni2, height:50,width:50,borderRadius:25,backgroundColor:"#FFF",alignItems:"center",justifyContent:"center"}}107 108 key={index}109 >110 <Feather 111 name={icon.name}112 size={30}></Feather>113 </Animated.View>114 );115 });116 console.log(check);117 /* Array [118 Object {119 "$$typeof": Symbol(react.element),120 "_owner": FiberNode {121 "tag": 2,122 "key": null,123 "type": [Function App],124 },125 "_store": Object {},126 "key": "0",127 "props": Object {128 "children": Object {129 "$$typeof": Symbol(react.element),130 "_owner": FiberNode {131 "tag": 2,132 "key": null,133 "type": [Function App],134 },135 "_store": Object {},136 "key": null,137 "props": Object {138 "allowFontScaling": false,139 "name": "grid",140 "size": 30,141 },142 "ref": null,143 "type": [Function Icon],144 },145 "style": Object {146 "alignItems": "center",147 "backgroundColor": "#FFF",148 "borderRadius": 25,149 "height": 50,150 "justifyContent": "center",151 "opacity": 1,152 "width": 50,153 },154 },155 "ref": null,156 "type": [Function AnimatedComponent],157 },158 Object {159 "$$typeof": Symbol(react.element),160 "_owner": FiberNode {161 "tag": 2,162 "key": null,163 "type": [Function App],164 },165 "_store": Object {},166 "key": "1",167 "props": Object {168 "children": Object {169 "$$typeof": Symbol(react.element),170 "_owner": FiberNode {171 "tag": 2,172 "key": null,173 "type": [Function App],174 },175 "_store": Object {},176 "key": null,177 "props": Object {178 "allowFontScaling": false,179 "name": "list",180 "size": 30,181 },182 "ref": null,183 "type": [Function Icon],184 },185 "style": Object {186 "alignItems": "center",187 "backgroundColor": "#FFF",188 "borderRadius": 25,189 "height": 50,190 "justifyContent": "center",191 "opacity": 0,192 "width": 50,193 },194 },195 "ref": null,196 "type": [Function AnimatedComponent],197 },198 Object {199 "$$typeof": Symbol(react.element),200 "_owner": FiberNode {201 "tag": 2,202 "key": null,203 "type": [Function App],204 },205 "_store": Object {},206 "key": "2",207 "props": Object {208 "children": Object {209 "$$typeof": Symbol(react.element),210 "_owner": FiberNode {211 "tag": 2,212 "key": null,213 "type": [Function App],214 },215 "_store": Object {},216 "key": null,217 "props": Object {218 "allowFontScaling": false,219 "name": "repeat",220 "size": 30,221 },222 "ref": null,223 "type": [Function Icon],224 },225 "style": Object {226 "alignItems": "center",227 "backgroundColor": "#FFF",228 "borderRadius": 25,229 "height": 50,230 "justifyContent": "center",231 "opacity": 0,232 "width": 50,233 },234 },235 "ref": null,236 "type": [Function AnimatedComponent],237 },238 Object {239 "$$typeof": Symbol(react.element),240 "_owner": FiberNode {241 "tag": 2,242 "key": null,243 "type": [Function App],244 },245 "_store": Object {},246 "key": "3",247 "props": Object {248 "children": Object {249 "$$typeof": Symbol(react.element),250 "_owner": FiberNode {251 "tag": 2,252 "key": null,253 "type": [Function App],254 },255 "_store": Object {},256 "key": null,257 "props": Object {258 "allowFontScaling": false,259 "name": "map",260 "size": 30,261 },262 "ref": null,263 "type": [Function Icon],264 },265 "style": Object {266 "alignItems": "center",267 "backgroundColor": "#FFF",268 "borderRadius": 25,269 "height": 50,270 "justifyContent": "center",271 "opacity": 0,272 "width": 50,273 },274 },275 "ref": null,276 "type": [Function AnimatedComponent],277 },278 Object {279 "$$typeof": Symbol(react.element),280 "_owner": FiberNode {281 "tag": 2,282 "key": null,283 "type": [Function App],284 },285 "_store": Object {},286 "key": "4",287 "props": Object {288 "children": Object {289 "$$typeof": Symbol(react.element),290 "_owner": FiberNode {291 "tag": 2,292 "key": null,293 "type": [Function App],294 },295 "_store": Object {},296 "key": null,297 "props": Object {298 "allowFontScaling": false,299 "name": "user",300 "size": 30,301 },302 "ref": null,303 "type": [Function Icon],304 },305 "style": Object {306 "alignItems": "center",307 "backgroundColor": "#FFF",308 "borderRadius": 25,309 "height": 50,310 "justifyContent": "center",311 "opacity": 0,312 "width": 50,313 },314 },315 "ref": null,316 "type": [Function AnimatedComponent],317 },318]*/319 320 return check;321}322 render() {323 return (324 <View style={styles.container}>325 <AnimatedSvg style={{position:"absolute",bottom:0,height:tabBarHeight,width:3*width,transform:[{translateX:this.xVal}]}}>326 <Path d={`${left} ${tab} ${right}`} fill="#FFF" ></Path>327 </AnimatedSvg>328 329 330 <View style={{position:"absolute",bottom:30,height:tabBarHeight,width:width,flexDirection:"row",alignItems:"center",justifyContent:"space-around"}}>331 {this.renderIcon2()}332 </View>333 <View style={{position:"absolute",bottom:0,height:tabBarHeight,width:width,flexDirection:"row",alignItems:"center",justifyContent:"space-around"}}>334 {this.renderIcon()}335 </View>336 337 </View>338 );339 }340}341const styles = StyleSheet.create({342 container: {343 flex: 1,344 backgroundColor: '#D63031',345 marginTop:24,346 },...

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stack.js

Source:stack.js Github

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1/* eslint-disable */2/**3 * Created by cleverdou on 17/9/12.4 */5"use strict";6import { Image } from "react-native";7import { isWarning } from "./config";8var REACT_ELEMENT_TYPE = 60103,9 REACT_PORTAL_TYPE = 60106,10 REACT_FRAGMENT_TYPE = 60107,11 REACT_STRICT_MODE_TYPE = 60108,12 REACT_PROFILER_TYPE = 60114,13 REACT_PROVIDER_TYPE = 60109,14 REACT_CONTEXT_TYPE = 60110,15 REACT_FORWARD_REF_TYPE = 60112,16 REACT_SUSPENSE_TYPE = 60113,17 REACT_SUSPENSE_LIST_TYPE = 60120,18 REACT_MEMO_TYPE = 60115,19 REACT_LAZY_TYPE = 60116,20 REACT_BLOCK_TYPE = 60121,21 REACT_DEBUG_TRACING_MODE_TYPE = 60129,22 REACT_OFFSCREEN_TYPE = 60130,23 REACT_LEGACY_HIDDEN_TYPE = 60131;24if ("function" === typeof Symbol && Symbol.for) {25 var symbolFor = Symbol.for;26 REACT_ELEMENT_TYPE = symbolFor("react.element");27 REACT_PORTAL_TYPE = symbolFor("react.portal");28 REACT_FRAGMENT_TYPE = symbolFor("react.fragment");29 REACT_STRICT_MODE_TYPE = symbolFor("react.strict_mode");30 REACT_PROFILER_TYPE = symbolFor("react.profiler");31 REACT_PROVIDER_TYPE = symbolFor("react.provider");32 REACT_CONTEXT_TYPE = symbolFor("react.context");33 REACT_FORWARD_REF_TYPE = symbolFor("react.forward_ref");34 REACT_SUSPENSE_TYPE = symbolFor("react.suspense");35 REACT_SUSPENSE_LIST_TYPE = symbolFor("react.suspense_list");36 REACT_MEMO_TYPE = symbolFor("react.memo");37 REACT_LAZY_TYPE = symbolFor("react.lazy");38 REACT_BLOCK_TYPE = symbolFor("react.block");39 symbolFor("react.scope");40 REACT_DEBUG_TRACING_MODE_TYPE = symbolFor("react.debug_trace_mode");41 REACT_OFFSCREEN_TYPE = symbolFor("react.offscreen");42 REACT_LEGACY_HIDDEN_TYPE = symbolFor("react.legacy_hidden");43}44function getComponentName(type) {45 if (null == type) return null;46 if ("function" === typeof type) return type.displayName || type.name || null;47 if ("string" === typeof type) return type;48 switch (type) {49 case REACT_FRAGMENT_TYPE:50 return "Fragment";51 case REACT_PORTAL_TYPE:52 return "Portal";53 case REACT_PROFILER_TYPE:54 return "Profiler";55 case REACT_STRICT_MODE_TYPE:56 return "StrictMode";57 case REACT_SUSPENSE_TYPE:58 return "Suspense";59 case REACT_SUSPENSE_LIST_TYPE:60 return "SuspenseList";61 }62 if ("object" === typeof type)63 switch (type.$$typeof) {64 case REACT_CONTEXT_TYPE:65 return (type.displayName || "Context") + ".Consumer";66 case REACT_PROVIDER_TYPE:67 return (type._context.displayName || "Context") + ".Provider";68 case REACT_FORWARD_REF_TYPE:69 var innerType = type.render;70 innerType = innerType.displayName || innerType.name || "";71 return (72 type.displayName ||73 ("" !== innerType ? "ForwardRef(" + innerType + ")" : "ForwardRef")74 );75 case REACT_MEMO_TYPE:76 return getComponentName(type.type);77 case REACT_BLOCK_TYPE:78 return getComponentName(type._render);79 case REACT_LAZY_TYPE:80 innerType = type._payload;81 type = type._init;82 try {83 return getComponentName(type(innerType));84 } catch (x) {85 }86 }87 return null;88}89function getText(fiberNode) {90 if (fiberNode.child) {91 let text = getText(fiberNode.child);92 let sibling = fiberNode.child.sibling;93 while (sibling){94 text += getText(sibling);95 sibling = sibling.sibling;96 }97 return text;98 }99 const props = fiberNode.props || fiberNode.pendingProps ||100 fiberNode.memoizedProps;101 if (typeof props === "string") {102 return props + "&&";103 } else {104 const name = getComponentName(fiberNode.type);105 if (props.source && name && name.includes("Image")) {106 const source = Image.resolveAssetSource(props.source);107 return `image(${source.uri})&&`;108 }109 if (name && name.includes("TextInput")) {110 return `textInput(placeholder:${props.placeholder ||111 ""};defaultValue:${props.defaultValue || ""})`;112 }113 }114 return "";115}116function isSvg(funcString) {117 return /default.createElement\((.+\.Pattern|.+\.Mask|.+\.RadialGradient|.+\.LinearGradient|.+\.ClipPath|.+\.Image|.+\.Defs|.+\.Symbol|.+\.Use|.+\.G|.+\.TextPath|.+\.Path|.+\.Rect|.+\.Circle|.+\.Ellipse|.+\.Line|.+\.Polygon|.+\.Polyline|.+\.TSpan|.+\.Text)/.test(118 funcString);119}120function createViewPathByFiber(component, pageId) {121 let fibernode = component;122 let text;123 const fibers = [];124 text = getText(component);125 let vId;126 let i = 0;127 while (fibernode) {128 const props = fibernode.props || fibernode.pendingProps ||129 fibernode.memoizedProps || {};130 if (!vId && props.vId) {131 vId = props.vId;132 }133 if (!vId) {134 i++;135 }136 if (typeof fibernode.key === "string" &&137 fibernode.key.includes("root-sibling")) {138 break;139 }140 fibers.unshift(fibernode.index ?141 fibernode.tag + "[" + fibernode.index + "]" :142 fibernode.tag);143 if (typeof fibernode.key === "string" &&144 fibernode.key.includes("scene_id")) {145 break;146 }147 if (props.hasOwnProperty("navigation") && props.hasOwnProperty("route") &&148 props.route.hasOwnProperty("key") && props.route.name === pageId) {149 break;150 }151 fibernode = fibernode.return;152 }153 if (isWarning()) {154 if (!vId) {155 console.warn(`vId is not set in the current operation component`);156 } else if (i > 0) {157 console.warn(158 `vId "${vId}" is not in the current operation component, please confirm it is correct`);159 }160 }161 return {162 path: fibers.join("-"),163 description: text,164 vId,165 };166}167export function getViewPathByComponent(component, pageId) {168 return createViewPathByFiber(component, pageId);...

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TreeParser.js

Source:TreeParser.js Github

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...3 * Returns the associated FiberNode.4 * @param {DOMNode} node - The DOM Node.5 * @return {FiberNode} - The FiberNode.6 */7 static getFiberNode(node) {8 if (node) {9 return node[Object.keys(node).find((key) => key.startsWith('__reactInternalInstance$'))];10 }11 return null;12 }13 /**14 * Finds the fiber node with the associated key.15 * @param {FiberNode} node - The current node.16 * @param {string} key - The query key.17 * @return {FiberNode} - The FiberNode matching the key.18 */19 static findFiberNode(node, key) {20 if (node === null) {21 return node;22 }23 if (TreeParser.match(node.key) === key) {24 return node;25 }26 return TreeParser.findFiberNode(node.child, key) || TreeParser.findFiberNode(node.sibling, key);27 }28 /**29 * Finds the dom node with the associated key.30 * @param {string} key - The query key.31 * @return {DOMNode|null} - The DOM node matching the key. Null if not found.32 */33 static findDOMNode(key) {34 const fiberNode = TreeParser.findFiberNode(TreeParser.findRootFiberNode(), key);35 if (!fiberNode) {36 return null;37 }38 let node = fiberNode;39 while (node && (!node.stateNode || !node.stateNode.nodeType)) {40 node = node.child;41 }42 return node ? node.stateNode : null;43 }44 /**45 * Finds the key of the FiberNode.46 * @param {FiberNode} fiberNode - The FiberNode.47 * @return {string|null} - The key of the FiberNode. Null if not found.48 */49 static findFiberNodeKey(fiberNode) {50 if (!fiberNode || typeof fiberNode.type === 'string') {51 return null;52 }53 return TreeParser.match(fiberNode.key) || TreeParser.findFiberNodeKey(fiberNode.return);54 }55 /**56 * Finds the key of the provided DOMNode.57 * @param {DOMNode} node - The DOMNode.58 * @return {string|null} - The key of the node. Null if not found.59 */60 static findDOMNodeKey(node) {61 const fiberNode = TreeParser.getFiberNode(node);62 if (!fiberNode) {63 return null;64 }65 return TreeParser.findFiberNodeKey(fiberNode.return);66 }67 /**68 * Finds the root FiberNode of the React instance tree.69 * @return {FiberNode} - The root FiberNode.70 */71 static findRootFiberNode() {72 return TreeParser.getFiberNode(document.getElementById('kaiju-root'));73 }74 /**75 * Matches a UUID.76 * @param {string} string - The string to match.77 * @return {string|null} - A UUID. Null if no match is found.78 */79 static match(key) {80 const match = `${key}`.match(/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/);81 return match ? match[0] : null;82 }83}...

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getKeyByFiberNode.js

Source:getKeyByFiberNode.js Github

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1import { isString, isFunction, get, run } from 'szfe-tools'2import { getKey2Id } from '../../helpers'3const isArrReg = /^iAr/4// 对每种 NodeType 做编号处理5const key2Id = getKey2Id()6// 获取节点的渲染路径，作为节点的 X 坐标7const genRenderPath = (node) =>8 node.return ? [node, ...genRenderPath(node.return)] : [node]9// 使用节点 _nk 属性或下标与其 key/index 作为 Y 坐标10const getNodeId = (fiberNode) => {11 // FIXME: 使用 index 作为 Y 坐标是十分不可靠的行为，待想出更好的法子替代12 const id = get(fiberNode, 'key') || fiberNode.index13 const nodeKey = get(fiberNode, 'memoizedProps._nk') || get(fiberNode, 'pendingProps._nk')14 const isArray = isString(nodeKey) && isArrReg.test(nodeKey)15 return isArray ? `${nodeKey}.${id}` : nodeKey || id16}17const markNode = (node) => {18 const x = key2Id(get(node, 'type.$$typeof', node.type))19 const y = getNodeId(node)20 return `${x},${y}`21}22// 根据 X,Y 坐标生成 Key23const getKeyByCoord = (nodes, handleNode) =>24 nodes25 .map((node) => {26 const mark = markNode(node)27 return isFunction(handleNode)28 ? run(handleNode, undefined, node, mark)29 : mark30 })31 .filter(Boolean)32 .join('|')33const getKeyByFiberNode = (fiberNode, handleNode) => {34 const key = getKeyByCoord(genRenderPath(fiberNode), handleNode)35 return key2Id(key)36}...

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index.js

Source:index.js Github

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1function FiberNode(val) {2 this.val = val3 this.next = null4}5let head = new FiberNode()6let cur = head7let unMountCallbacks = []8function useState(initialState) {9 const node = cur.next || new FiberNode(initialState)10 const setState = (newState) => {11 node.val = newState12 render()13 }14 updateCurNode(node)15 return [node.val, setState]16}17function useEffect(effect, deps) {18 const node = cur.next || new FiberNode(null)19 const memoDeps = node.val20 const hasDepsChanged = memoDeps ? !deps.every((dep, i) => dep === memoDeps[i]) : true21 if (hasDepsChanged) {22 let cb = effect()23 if (typeof cb === 'function') {24 unMountCallbacks.push(cb)25 }26 node.val = deps27 }28 updateCurNode(node)29}30function updateCurNode(node) {31 if (cur.next === null) {32 cur.next = node...

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utils.jsx

Source:utils.jsx Github

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...3const logger = new Logger({4 name: "le-PanelCanvasBase-utils",5 level: "error",6});7function getComponentNodeByFiberNode(fiberNode, component, dsl) {8 const componentInfo =9 component.get(fiberNode?.memoizedProps?.__componentName) || null;10 if (!componentInfo && fiberNode.return) {11 return getComponentNodeByFiberNode(fiberNode.return, component, dsl);12 }13 try {14 return {15 componentInfo,16 el: ReactDOM.findDOMNode(fiberNode.stateNode),17 dslInfo: getDSLById(fiberNode.stateNode.props.__id, dsl),18 };19 } catch (error) {20 return null;21 }22}23function getDSLById(id, dsl) {24 for (let i = 0; i < dsl.length; i++) {25 const item = dsl[i];...

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fiber.js

Source:fiber.js Github

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1function FiberNode(tag, key, pendingProps, mode) {2 this.tag = tag;3 this.key = key;4 this.elementType = null;5 this.type = null;6 /** 真实dom节点存储 */7 this.stateNode = null;8 this.return = null;9 this.child = null;10 this.sibling = null;11 this.index = 0;12 this.ref = null;13 this.pendingProps = pendingProps;14 this.memoiziedProps = null;15 this.updateQueue = null;16 this.memoiziedState = null;17 this.dependencies = null;18 this.mode = mode;19 this.effectTag = 'NoEffect';20 this.nextEffect = null;21 this.firstEffect = null;22 this.lastEffect = null;23 this.lanes = 'NoLanes';24 this.childLanes = 'NoLanes';25 this.alternate = null;26}27const fiberNode = new FiberNode('div', null, 'pendIngProps', 'mode');...

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Using AI Code Generation

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1const {chromium} = require('playwright');2const {FiberNode} = require('playwright/lib/fiber.js');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const fiber = new FiberNode();8 fiber.run(async () => {9 await page.screenshot({ path: 'example.png' });10 });11 await browser.close();12})();13#### fiber.run(fn)14#### fiber.awaitPromise(promise)15#### fiber.isRunning()16#### fiber.isWaitingForPromise()17#### fiber.isSuspended()18#### fiber.suspend()19#### fiber.resume()20#### fiber.dispose()

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Using AI Code Generation

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1const { FiberNode } = require('playwright/lib/utils/fiberHelper');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 await page.waitForSelector('.navbar__inner', { state: 'attached' });8 const element = await page.$('.navbar__inner');9 const fiberNode = new FiberNode(element);10 await fiberNode.scrollIntoViewIfNeeded();11 await browser.close();12})();13const { FiberNode } = require('playwright/lib/utils/fiberHelper');14const { chromium } = require('playwright');15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 await page.waitForSelector('.navbar__inner', { state: 'attached' });20 const element = await page.$('.navbar__inner');21 const fiberNode = new FiberNode(element);22 await fiberNode.scrollIntoViewIfNeeded();23 await browser.close();24})();

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Using AI Code Generation

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1const playwright = require('playwright');2const { FiberNode } = require('playwright/lib/server/fiber.js');3(async () => {4 const browser = await playwright.chromium.launch();5 const page = await browser.newPage();6 const fiberNode = new FiberNode(page);7 await fiberNode.evaluate(() => {8 });9 await browser.close();10})();11#### fiberNode.evaluate(pageFunction[, arg1[, arg2[, ...]]])12#### fiberNode.evaluateHandle(pageFunction[, arg1[, arg2[, ...]]])13#### fiberNode.waitForFunction(pageFunction[, options[, arg1[, arg2[, ...]]]])

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Using AI Code Generation

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1const { FiberNode } = require("playwright/lib/fiber.js");2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.fill('input[name="q"]', 'playwright');8 await page.click('input[type="submit"]');9 await page.waitForSelector('text=Playwright');10 await page.click('text=Playwright');11 await page.waitForSelector('text=API');12 await page.click('text=API');13 const fiberNode = new FiberNode(page);14 await fiberNode.waitForSelector('text=Playwright');15 await fiberNode.click('text=Playwright');16 await fiberNode.waitForSelector('text=API');17 await fiberNode.click('text=API');18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();

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Using AI Code Generation

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1const { FiberNode } = require('playwright/lib/server/fiber.js');2const { Page } = require('playwright/lib/server/page.js');3const { Frame } = require('playwright/lib/server/frame.js');4const { ElementHandle } = require('playwright/lib/server/elementHandler.js');5const { chromium } = require('playwright');6(async () => {7 const browser = await chromium.launch();8 const page = await browser.newPage();9 await page.goto(url);10 await page.waitForSelector('input[name="q"]');11 await page.type('input[name="q"]', 'Hello World');12 await page.keyboard.press('Enter');13 await page.waitForNavigation();14 await page.screenshot({ path: `example.png` });15 await browser.close();16})();

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Using AI Code Generation

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1const {FiberNode} = require('playwright-core/lib/fiber.js');2const {chromium} = require('playwright-core');3const fs = require('fs');4const path = require('path');5const {promisify} = require('util');6const {createServer} = require('http');7const {createReadStream} = require('fs');8const {createWriteStream} = require('fs');9const {pipeline} = require('stream');10const {promisify: promisifyStream} = require('util');11const pipelineStream = promisifyStream(pipeline);12const {execSync} = require('child_process');13const {spawn} = require('child_process');14const {spawnSync} = require('child_process');15const {exec} = require('child_process');16const {execFile} = require('child_process');17const {execFileSync} = require('child_process');18const {execFileSync} = require('child_process');19const {execSync} = require('child_process');20const {exec} = require('child_process');21const {execFile} = require('child_process');22const {execFileSync} = require('child_process');23const {execFileSync} = require('child_process');24const {execSync} = require('child_process');25const {exec} = require('child_process');26const {execFile} = require('child_process');27const {execFileSync} = require('child_process');28const {execFileSync} = require('child_process');29const {execSync} = require('child_process');30const {exec} = require('child_process');31const {execFile} = require('child_process');32const {execFileSync} = require('child_process');33const {execFileSync} = require('child_process');34const {execSync} = require('child_process');35const {exec} = require('child_process');36const {execFile} = require('child_process');37const {execFileSync} = require('child_process');38const {execFileSync} = require('child_process');39const {execSync} = require('child_process');40const {exec} = require('child_process');41const {execFile} = require('child_process');42const {execFileSync} = require('child_process');43const {execFileSync} = require('child_process');44const {execSync} = require('child_process');45const {exec} = require('

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { FiberNode } = require('playwright/lib/server/fiber');3const { waitUntil } = require('playwright/lib/helper');4(async () => {5 const browser = await chromium.launch();6 const page = await browser.newPage();7 const link = await page.waitForSelector('text=Docs');8 const href = await new FiberNode(page, link).evaluate(link => link.href);9 console.log(href);10 await browser.close();11})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { FiberNode } = require('playwright-core/lib/server/fiber');3const { test } = require('@playwright/test');4const { expect } = require('@playwright/test');5test('example', async ({ page }) => {6 const title = await page.textContent('.navbar__inner .navbar__title');7 expect(title).toBe('Playwright');8});9test('example', async ({ page }) => {10 const title = await FiberNode.call(page, page => page.textContent('.navbar__inner .navbar__title'));11 expect(title).toBe('Playwright');12});13test('example', async ({ page }) => {14 const title = await FiberNode.call(page, async page => {15 await page.waitForLoadState('networkidle');16 return page.textContent('.navbar__inner .navbar__title');17 });18 expect(title).toBe('Playwright');19});20test('example', async ({ page }) => {21 const title = await FiberNode.call(page, async page => {22 await page.waitForLoadState('networkidle');23 return page.textContent('.navbar__inner .navbar__title');24 });25 expect(title).toBe('Playwright');26});27test('example', async ({ page }) => {28 const title = await FiberNode.call(page, page => page.textContent('.navbar__inner .navbar__title'));29 expect(title).toBe('Playwright');30});31test('example', async ({ page }) => {32 const title = await FiberNode.call(page, async page => {33 await page.waitForLoadState('networkidle');34 return page.textContent('.navbar__inner .navbar__title');35 });36 expect(title).toBe('Playwright');37});38test('example', async ({ page }) => {39 const title = await FiberNode.call(page, async page => {40 await page.waitForLoadState('networkidle');41 return page.textContent('.navbar__inner .navbar__title');42 });43 expect(title).toBe('Playwright');44});45test('example', async ({ page }) => {46 await page.goto('

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Using AI Code Generation

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1const playwright = require('playwright');2const { FiberNode } = require('playwright/lib/protocol/fiber.js');3const browserType = 'chromium';4const browser = await playwright[browserType].launch({ headless: false });5const page = await browser.newPage();6await FiberNode.run(async () => {7 await page.click('text=Get started');8 await page.click('text=Docs');9 await page.click('text=API')

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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