How to use patchVnode method in Playwright Internal

Best JavaScript code snippet using playwright-internal

vdom.js

Source:vdom.js Github

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1function isObject(obj) {2 return obj !== null && typeof obj === 'object';3}4function isArray(arr) {5 return Array.isArray(arr);6}7function isString(str) {8 return typeof str === 'string';9}10// 支持多种写法11// 1. h('div', 'hello');12// 2. h('div', [h(……), h(……)]);13// 3. h('div', {class: 'app'}, 'hello');14// 4. h('div', {class: 'app'}, [h(……), h(……)]);15// 用js对象表示DOM树16function h(tag, props, children) {17 if (isArray(props) || !isObject(props)) {18 children = props;19 props = {};20 }21 return { tag, props, children };22}23// 挂载24// 用js树构建真实的DOM树，并插入到页面文档中。25function mount(vDom, container, refVNode) {26 if (isString(container)) {27 container = document.querySelector(container);28 }29 const { tag, props, children } = vDom;30 // 保存vDom.el，方便diff31 const el = (vDom.el = document.createElement(tag));32 // 属性处理33 if (props) {34 Object.keys(props).forEach((k) => {35 let v = props[k];36 if (k.startsWith('on')) {37 // 事件处理38 el.addEventListener(k.slice(2).toLowerCase(), v);39 } else {40 // 属性处理41 el.setAttribute(k, props[k]);42 }43 });44 }45 // 子节点处理46 if (children) {47 if (isString(children)) {48 el.textContent = children;49 } else if (isArray(children)) {50 children.forEach((child) => {51 if (isString(child)) {52 el.textContent = child;53 } else {54 // 递归55 mount(child, el);56 }57 });58 }59 }60 if (!refVNode) {61 container.appendChild(el);62 } else {63 if (refVNode.el.parentNode === container) {64 container.insertBefore(el, refVNode.el);65 }66 }67}68/*69 old:70 <div id="app">71 <ul class="list">72 <li class="item">item1</li>73 <li class="item">item2</li>74 <li class="item">item3</li>75 </ul>76 </div>77 new1:78 <div id="root" class="root">79 <ul class="list">80 <li class="item">item3</li>81 <li class="item">item2</li>82 <li class="item">item4</li>83 <li class="item">item5</li>84 </ul>85 <p>Hello, P!</p>86 </div>87 new2:88 <div id="root" class="root">89 <p class="list" id="list">90 <a class="item">item3</a>91 <a class="item">item2</a>92 <a class="item">item4</a>93 <a class="item">item6</a>94 <a class="item">item5</a>95 </p>96 <p>Hello, P!</p>97 </div>98 new3: 99 <p>Hello, World!</p>100*/101// 列表比较102function updateChildren(oldCh, newCh) {103 if (!isArray(oldCh) || !isArray(newCh)) {104 return;105 }106 let oldStartIdx = 0;107 let oldEndIdx = oldCh.length - 1;108 let oldStartVNode = oldCh[oldStartIdx];109 let oldEndVNode = oldCh[oldEndIdx];110 let startIdx = 0;111 let endIdx = newCh.length - 1;112 let startVNode = newCh[startIdx];113 let endVNode = newCh[endIdx];114 let parentEl = oldStartVNode.el.parentNode;115 while (oldStartIdx <= oldEndIdx && startIdx <= endIdx) {116 //? 为什么要这样判断，边界处理？117 if (!oldStartVNode) {118 oldStartVNode = oldCh[++oldStartIdx];119 } else if (!oldEndVNode) {120 oldEndVNode = oldCh[--oldEndIdx];121 } else if (!startVNode) {122 startVNode = newCh[++startIdx];123 } else if (!endVNode) {124 endVNode = newCh[--endIdx];125 }126 // 旧首、新首比较127 if (isSameVNode(oldStartVNode, startVNode)) {128 // 如果两个节点相同，即可复用129 patchVNode(oldStartVNode, startVNode);130 oldStartVNode = oldCh[++oldStartIdx];131 startVNode = newCh[++startIdx];132 }133 // 旧尾、新尾比较134 else if (isSameVNode(oldEndVNode, endVNode)) {135 // 如果两个节点相同，即可复用136 patchVNode(oldEndVNode, endVNode);137 oldEndVNode = oldCh[--oldEndIdx];138 endVNode = newCh[--endIdx];139 }140 // 旧首、新尾比较141 else if (isSameVNode(oldStartVNode, endVNode)) {142 // 更新旧首vnode143 patchVNode(oldStartVNode, endVNode);144 // 移动更新后的节点到队尾145 parentEl.insertBefore(oldStartVNode.el, oldEndVNode.el.nextSibling);146 oldStartVNode = oldCh[++oldStartIdx];147 endVNode = newCh[--endIdx];148 }149 // 旧尾、新首比较150 else if (isSameVNode(oldEndVNode, startVNode)) {151 // 更新旧尾vnode152 patchVNode(oldEndVNode, startVNode);153 // 移动旧尾vnode到队首154 parentEl.insertBefore(oldEndVNode.el, oldStartVNode.el);155 }156 // 如果没找到相同的，则从剩余（新）vnode列表取队首vnode，去剩余oldVNode列表一一查找，是否存在相同的。157 else {158 const idxInOld = findIdxInOld(startVNode, oldCh, oldStartIdx, oldEndIdx);159 // 没有找到可服用的vNode160 if (!idxInOld) {161 // 1. 创建新节点162 // 2. 插入到oldStartVNode前面163 mount(startVNode, parentEl, oldStartVNode);164 } else {165 patchVNode(oldCh[idxInOld], startVNode);166 }167 startVNode = newCh[++startIdx];168 }169 }170 // 当新节点列表还有剩余时，说明是新增的，需要新增。171 // 当旧节点列表还有剩余时，说明是多余的需要删除掉172 if (oldStartIdx > oldEndIdx) {173 if (startIdx <= endIdx) {174 // startIdx ~ endIdx 之间的vnode都需要新增175 for (let i = startIdx; i <= endIdx; i++) {176 mount(newCh[i], parentEl);177 }178 }179 } else {180 for (let i = oldStartIdx; i <= oldEndIdx; i++) {181 oldCh[i].el.remove();182 }183 }184}185function findIdxInOld(vNode, oldCh, oldStartIdx, oldEndIdx) {186 for (let i = oldStartIdx; i < oldEndIdx; i++) {187 if (isSameVNode(vNode, oldCh[i])) {188 return i;189 }190 }191}192// tag相同，认为node相同，可以复用。193function isSameVNode(oldVNode, vNode) {194 // 暂时没考虑key195 return oldVNode.tag === vNode.tag;196}197// 新旧虚拟DOM树对比更新198// 根据分析，DOM树操作有以下特点：199// 1. 很少会跨越层级地移动DOM元素，所以选择同层级元素比较的方案，降低算法复杂度。200// 2. 采用深度优先遍历算法201function patch(oldVNode, newVNode) {202 const el = (newVNode.el = oldVNode.el); // 将el存储在203 // 如果节点tag相同204 if (oldVNode.tag === newVNode.tag) {205 patchVNode(oldVNode, newVNode);206 } else {207 // 插入新节点208 mount(newVNode, el.parentNode);209 // 删除旧节点。210 el.remove();211 }212}213function patchVNode(oldVNode, newVNode) {214 const el = (newVNode.el = oldVNode.el); // 将el存储在215 // 更新props216 const oldProps = oldVNode.props;217 const newProps = newVNode.props;218 // 新旧props都存在219 if (oldProps && newProps) {220 const oldPropKeys = Object.keys(oldProps);221 const newPropKeys = Object.keys(newProps);222 for (const ok in oldPropKeys) {223 // 旧props有的key，新props没有，则删除。224 if (!newProps[ok]) {225 el.removeAttribute(ok);226 }227 // if (!newPropKeys.hasOwnProperty(ok)) {228 // el.removeAttribute(ok);229 // }230 }231 for (const nk in newPropKeys) {232 const newValue = newProps[nk];233 const oldValue = oldProps[nk];234 // 新props有的key，旧props有，但值不同，则更新。235 if (oldValue !== newValue) {236 el.setAttribute(nk, newValue);237 }238 }239 }240 // 新props存在，旧props不存在，则添加。241 else if (newProps) {242 for (const key in newProps) {243 el.setAttribute(key, newProps[key]);244 }245 }246 // 新props不存在，旧props存在，则删除。247 else if (oldProps) {248 for (const key in oldProps) {249 el.removeAttribute(key);250 }251 }252 // 更新children253 const oldChildren = oldVNode.children;254 const newChildren = newVNode.children;255 // 新旧children都存在，则比较children256 if (newChildren && oldChildren) {257 // 新children为文本节点258 if (typeof newChildren === 'string') {259 el.innerHTML = '';260 el.textContent = newChildren;261 }262 // 旧children为文本节点263 else if (typeof oldChildren === 'string') {264 el.textContent = '';265 if (isArray(newChildren)) {266 newChildren.forEach((ch) => {267 mount(ch, el);268 });269 }270 }271 // 新旧children都不为文本节点272 else {273 updateChildren(oldChildren, newChildren);274 }275 }276 // 新children存在，旧children不存在，则添加。277 else if (newChildren) {278 newChildren.forEach((ch) => {279 mount(ch, el);280 });281 }282 // 新children不存在，旧children存在，则删除。283 else if (oldChildren) {284 oldChildren.forEach((ch) => {285 el.removeChild(ch.el);286 });287 }...

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snabbdomDemo.js

Source:snabbdomDemo.js Github

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...70 // 1.新前 和 旧前71 else if (sameVnode(oldStartVnode, newStartVnode)) {72 console.log('1命中')73 // 调用 patchVnode 对比两个节点的 对象 文本 children74 patchVnode(oldStartVnode, newStartVnode)75 // 指针移动76 newStartVnode = newCh[++newStartIdx]77 oldStartVnode = oldCh[++oldStartIdx]78 } // 2.新后 和 旧后79 else if (sameVnode(oldEndVnode, newEndVnode)) {80 console.log('2命中')81 // 调用 patchVnode 对比两个节点的 对象 文本 children82 patchVnode(oldEndVnode, newEndVnode)83 // 指针移动84 newEndVnode = newCh[--newEndIdx]85 oldEndVnode = oldCh[--oldEndIdx]86 } // 3.新后 和 旧前87 else if (sameVnode(oldStartVnode, newEndVnode)) {88 console.log('3命中')89 // 调用 patchVnode 对比两个节点的 对象 文本 children90 patchVnode(oldStartVnode, newEndVnode)91 // 策略3是需要移动节点的 把旧前节点 移动到 旧后 之后92 // insertBefore 如果参照节点为空，就插入到最后 和 appendChild一样93 parentElm.insertBefore(oldStartVnode.elm, oldEndVnode.elm.nextSibling)94 // 指针移动95 newEndVnode = newCh[--newEndIdx]96 oldStartVnode = oldCh[++oldStartIdx]97 }98 // 4.新前 和 旧后99 else if (sameVnode(oldEndVnode, newStartVnode)) {100 console.log('4命中')101 // 调用 patchVnode 对比两个节点的 对象 文本 children102 patchVnode(oldEndVnode, newStartVnode)103 // 策略4是也需要移动节点的 把旧后节点 移动到 旧前 之前104 parentElm.insertBefore(oldEndVnode.elm, oldStartVnode.elm)105 // 指针移动106 newStartVnode = newCh[++newStartIdx]107 oldEndVnode = oldCh[--oldEndIdx]108 }109 else {110 console.log('diff四种优化策略都没命中')111 // 当四种策略都没有命中112 // keyMap 为缓存，这样就不用每次都遍历老对象113 if (!keyMap) {114 // 初始化 keyMap115 keyMap = {}116 // 从oldStartIdx到oldEndIdx进行遍历117 for (let i = oldStartIdx; i < oldEndIdx; i++) {118 // 拿个每个子对象 的 key119 const key = oldCh[i].data.key120 // 如果 key 不为 undefined 添加到缓存中121 if (!key) keyMap[key] = i122 }123 }124 // 判断当前项是否存在 keyMap 中 ,当前项时 新前(newStartVnode)125 let idInOld = keyMap[newStartIdx.data]126 ? keyMap[newStartIdx.data.key]127 : undefined128 // 存在的话就是移动操作129 if (idInOld) {130 console.log('移动节点')131 // 从 老子节点 取出要移动的项132 let moveElm = oldCh[idInOld]133 // 调用 patchVnode 进行对比 修改134 patchVnode(moveElm, newStartVnode)135 // 将这一项设置为 undefined136 oldCh[idInOld] = undefined137 // 移动 节点 ,对于存在的节点使用 insertBefore移动138 // 移动的 旧前 之前 ，因为 旧前 与 旧后 之间的要被删除139 parentElm.insertBefore(moveElm.elm, oldStartVnode.elm)140 } else {141 console.log('添加新节点')142 // 不存在就是要新增的项143 // 添加的节点还是虚拟节点要通过 createElm 进行创建 DOM144 // 同样添加到 旧前 之前145 parentElm.insertBefore(createElm(newStartVnode), oldStartVnode.elm)146 }147 // 处理完上面的添加和移动 我们要 新前 指针继续向下走148 newStartVnode = newCh[++newStartIdx]...

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index.js

Source:index.js Github

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...58 oldVnode = vNode(oldVnode.tagName.toLowerCase(), {}, undefined, undefined, oldVnode)59 }60 if (isSameVnode(oldVnode, newVnode)) {61 // 相同节点62 patchVnode(oldVnode, newVnode)63 } else {64 // 不相同，则暴力删除65 const dom = createElement(newVnode)66 const parent = oldVnode.elm.parentNode67 parent.insertBefore(dom, oldVnode.elm)68 parent.removeChild(oldVnode.elm)69 }70}71/**72 * @param {*} oldVnode 73 * @param {*} newVnode 74 * 对比虚拟DOM75 */76function patchVnode(oldVnode, newVnode) {77 // 相同节点78 if (oldVnode == newVnode) {79 return80 }81 // 新vnode子节点是文本的情况82 if (typeof newVnode.text === 'string') {83 if (newVnode.text !== oldVnode.text) {84 oldVnode.elm.innerText = newVnode.text85 }86 } else {87 // 新vnode子节点是对象88 // 旧vnode子节点是文本的情况89 if (typeof oldVnode.text === 'string') {90 // 清空子节点91 oldVnode.elm.innerHTML = ''92 // 新节点上树93 for (let i = 0; i < newVnode.children.length; i++) {94 const child = newVnode.children[i];95 const dom = createElement(child)96 oldVnode.elm.appendChild(dom)97 }98 } else {99 // 新旧vnode子节点都是对象100 updateChildren(oldVnode.elm, oldVnode.children, newVnode.children)101 }102 }103}104/**105 * 106 * @param {*} parentElm 旧的真实DOM107 * @param {*} oldCh 旧的虚拟DOM子节点108 * @param {*} newCh 新的虚拟DOM子节点109 * 对比新旧节点都是数组的情况110 * 四种命中方式111 * ①新前与旧前112 * ②新后与旧后113 * ③新后与旧前114 * ④新前与旧后115 */116function updateChildren(parentElm, oldCh, newCh) {117 // 新前指针118 let newStartIdx = 0119 // 新后指针120 let newEndIdx = newCh.length - 1121 // 旧前指针122 let oldStartIdx = 0123 // 旧后指针124 let oldEndIdx = oldCh.length - 1125 // 新前虚拟DOM126 let newStartVnode = newCh[newStartIdx]127 // 新后虚拟DOM128 let newEndVnode = newCh[newEndIdx]129 // 旧前虚拟DOM130 let oldStartVnode = oldCh[oldStartIdx]131 // 旧后虚拟DOM132 let oldEndVnode = oldCh[oldEndIdx]133 // 缓存没有命中的节点，这样就可以不用多次遍历134 let keyMap = null135 while (newStartIdx <= newEndIdx && oldStartIdx <= oldEndIdx) {136 // 要先忽略已经是undefined的东西137 if(newStartIdx===null || newCh[newStartIdx]===undefined){138 newStartVnode = newCh[++newStartIdx]139 }else if(newEndIdx===null||newCh[newEndIdx]===undefined){140 newEndVnode = newCh[--newEndIdx]141 }else if(oldStartIdx===null||oldCh[oldStartIdx]===undefined){142 oldStartVnode=oldCh[++oldStartIdx]143 }else if(oldEndIdx===null||oldCh[oldEndIdx]===undefined){144 oldEndVnode=oldCh[--oldEndIdx]145 }else if (isSameVnode(newStartVnode, oldStartVnode)) {146 // 新前与旧前147 patchVnode(oldStartVnode, newStartVnode)148 newStartVnode = newCh[++newStartIdx]149 oldStartVnode = oldCh[++oldStartIdx]150 } else if (isSameVnode(newEndVnode, oldEndVnode)) {151 // 新后与旧后152 patchVnode(oldEndVnode, newEndVnode)153 newEndVnode = newCh[--newEndIdx]154 oldEndVnode = oldCh[--oldEndIdx]155 } else if (isSameVnode(newEndVnode, oldStartVnode)) {156 // 新后与旧前157 patchVnode(oldStartVnode, newEndVnode)158 // 此时要移动节点，移动新前指向的这个节点到老节点的旧后的后面159 parentElm.insertBefore(oldStartVnode.elm, oldEndVnode.elm.nextSibling)160 newEndVnode = newCh[--newEndIdx]161 oldStartVnode = oldCh[++oldStartIdx]162 } else if (isSameVnode(newStartVnode, oldEndVnode)) {163 // 新前与旧后164 patchVnode(oldEndVnode, newStartVnode)165 // 此时要移动节点，移动新前指向的这个节点到老节点的旧前的前面166 parentElm.insertBefore(oldEndVnode.elm, oldStartVnode.elm)167 newStartVnode = newCh[++newStartIdx]168 oldEndVnode = oldCh[--oldEndIdx]169 }else{170 // 上面四种都没有命中171 if(!keyMap){172 keyMap = {}173 // 缓存旧节点没有命中的174 for (let i = oldStartIdx; i <= oldEndIdx; i++) {175 const key = oldCh[i].key176 if(key!== undefined){177 keyMap[key] = i178 }179 }180 }181 182 const oldIdx = keyMap[newStartVnode.key]183 if(oldIdx===null || oldIdx===undefined){184 // 全新的，需要新增，即是新增的情况185 parentElm.insertBefore(createElement(newStartVnode),oldStartVnode.elm)186 }else{187 // 不是全新的，需要移动188 const elmToMove = oldCh[oldIdx]189 patchVnode(elmToMove,newStartVnode)190 oldCh[oldIdx]=undefined191 }192 // 移动指针193 newStartVnode = newCh[++newStartIdx]194 }195 }196 if(newStartIdx<=newEndIdx){197 // 旧节点先遍历完毕，新节点还有剩余，即使新增情况198 const before = newCh[newEndIdx+1]?newCh[newEndIdx+1].elm:null199 for (let i = newStartIdx; i <= newEndIdx; i++) {200 // insertBefore可自动识别null，为null是自动插入到末尾，跟appendChild一样201 if(oldStartVnode){202 parentElm.insertBefore(createElement(newCh[i]),oldStartVnode.elm)203 }else{...

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updateChildren.js

Source:updateChildren.js Github

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...40 newEndVnode = newCh[--newEndInx]41 } else if (checkSameVnode(oldStartVnode, newStartVnode)) {42 // 命中 新前和旧前43 // 一致就调用 patchVnode 来对比新老节点44 patchVnode(oldStartVnode, newStartVnode)45 // 新前和旧前节点都开始后移46 oldStartVnode = oldCh[++oldStartInx]47 newStartVnode = newCh[++newStartInx]48 } else if (checkSameVnode(oldEndVnode, newEndVnode)) {49 // 命中新后和旧后50 patchVnode(oldEndVnode, newEndVnode)51 // 新后和旧后开始前移52 oldEndVnode = oldCh[--oldEndInx]53 newEndVnode = newCh[--newEndInx]54 } else if (checkSameVnode(oldStartVnode, newEndVnode)) {55 // 命中新后和旧前56 patchVnode(oldStartVnode, newEndVnode)57 // 把新后指向的节点插入到旧节点的最后58 parentElm.insertBefore(oldStartVnode.elm, oldEndVnode.elm.nextSibling)59 oldStartVnode = oldCh[++oldStartInx]60 newEndVnode = newCh[--newEndInx]61 } else if (checkSameVnode(oldEndVnode, newStartVnode)) {62 // 命中新前和旧后63 patchVnode(oldEndVnode, newStartVnode)64 // 把旧后节点移动到旧前的前面65 parentElm.insertBefore(oldEndVnode.elm, oldStartVnode.elm)66 oldEndVnode = oldCh[--oldEndInx]67 newStartVnode = newCh[++newStartInx]68 } else {69 // 四种情况都没有命中70 // 制作一个keyMap的映射对象，这样就不用遍历老对象了71 if (!keyMap) {72 keyMap = {}73 // 从oldStartInx到oldEndInx开始循环74 for (let i = oldStartInx; i <= oldEndInx; i++) {75 const key = oldch[i].key76 if (key != undefined) {77 keyMap[key] = i78 }79 }80 }81 // oldIndex 为当前项的老节点序号82 const oldIndex = keyMap[newStartVnode.key]83 if (oldIndex == undefined) {84 // 判断，如果idxInOld是undefined表示它是全新的项85 // 被加入的项（就是newStartVnode这项)现不是真正的DOM节点86 parentElm.insertBefore(createElement(newStartVnode), oldStartVnode.elm);87 } else {88 // 如果不是undefined 就需要把这项移动89 const elmToMove = oldCh[oldIndex]90 patchVnode(elmToMove, newStartVnode)91 // 把当前项设置为undefined 表示已经处理过了92 oldCh[oldIndex] = undefined93 // 移动elmToMove94 parentElm.insertBefore(elmToMove.elm, oldStartVnode.elm)95 }96 // 让指针往下移动 找到新的新节点项97 newStartVnode = newCh[++newStartInx]98 }99 }100 // 当循环接受查看是否有剩余的节点101 if (newStartInx <= newEndInx) {102 // 遍历剩余的节点并且创建节点再插入节点103 for (let i = newStartInx; i <= newEndInx; i++) {104 // insertBefore 方法 如果插入的元素为null 则是默认是插入最后一个...

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patch.js

Source:patch.js Github

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...11 // 判断oldVnode和newVnode是否是同一个节点12 if (oldVnode.key == newVnode.key && oldVnode.sel == newVnode.sel) {13 console.log("是同一个节点");14 // 判断新旧节点是否是同一个对象15 patchVnode(oldVnode,newVnode);16 } else {17 console.log("不是同一个节点，暴力插入心得节点，删除旧的");18 let newVnodeElm = createElement(newVnode);19 // 插入老节点之前20 if (oldVnode.elm.parentNode != undefined && newVnodeElm) {21 oldVnode.elm.parentNode.insertBefore(newVnodeElm, oldVnode.elm)22 }23 // 删掉老节点24 oldVnode.elm.parentNode.removeChild(oldVnode.elm);25 }...

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Using AI Code Generation

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1const {patchVnode} = require('playwright');2const {patchVnode} = require('playwright');3const {patchVnode} = require('playwright');4const {patchVnode} = require('playwright');5const {patchVnode} = require('playwright');6const {patchVnode} = require('playwright');7patchVnode((vnode, oldVnode) => {8 if (vnode.elm && vnode.elm.tagName === 'INPUT') {9 vnode.elm.setAttribute('data-vnode', 'true');10 }11});12const {patchVnode} = require('playwright');13const {patchVnode} = require('playwright');14const {patchVnode} = require('playwright');15const {patchVnode} = require('playwright');16const {patchVnode} = require('playwright');17const {patchVnode} = require('playwright');18const {patchVnode} = require('playwright');19patchVnode((vnode, oldVnode) => {20 if (vnode.elm && vnode.elm.tagName === 'INPUT') {21 vnode.elm.setAttribute('data-vnode', 'true');22 }23});24test('My test', async ({ page }) => {25 await page.click('inpu

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Using AI Code Generation

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1const { patchVnode } = require('playwright/lib/server/domPatch');2const { JSDOM } = require('jsdom');3const dom = new JSDOM(`<!DOCTYPE html><p>Hello world</p>`);4const vnode = dom.window.document.querySelector('p');5patchVnode(vnode, 'Hello world', 'Hello world, again');6console.log(dom.serialize());7const { patchVnode } = require('playwright/lib/server/domPatch');8const { JSDOM } = require('jsdom');9const dom = new JSDOM(`<!DOCTYPE html><p>Hello world</p>`);10const vnode = dom.window.document.querySelector('p');11patchVnode(vnode, 'Hello world', 'Hello world, again');12console.log(dom.serialize());13 OS: Linux 5.4 Ubuntu 20.04.3 LTS (Focal Fossa)

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Using AI Code Generation

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1const { patchVnode } = require('playwright/lib/server/domPatchVnode');2const { h } = require('playwright/lib/server/domPatchVnode');3const { patch } = require('playwright/lib/server/domPatchVnode');4const { VNode } = require('playwright/lib/server/domPatchVnode');5const { createVNode } = require('playwright/lib/server/domPatchVnode');6const vnode = createVNode('div', { id: 'foo' }, [7 createVNode('span', { id: 'bar' }, 'Hello'),8 createVNode('span', { id: 'baz' }, 'World'),9]);10const vnode1 = createVNode('div', { id: 'foo' }, [11 createVNode('span', { id: 'bar' }, 'Hello'),12 createVNode('span', { id: 'baz' }, 'World'),13]);14const vnode2 = createVNode('div', { id: 'foo' }, [15 createVNode('span', { id: 'bar' }, 'Hello'),16 createVNode('span', { id: 'baz' }, 'World'),17]);18const vnode3 = createVNode('div', { id: 'foo' }, [19 createVNode('span', { id: 'bar' }, 'Hello'),20 createVNode('span', { id: 'baz' }, 'World'),21]);22const vnode4 = createVNode('div', { id: 'foo' }, [23 createVNode('span', { id: 'bar' }, 'Hello'),24 createVNode('span', { id: 'baz' }, 'World'),25]);26const vnode5 = createVNode('div', { id: 'foo' }, [27 createVNode('span', { id: 'bar' }, 'Hello'),28 createVNode('span', { id: 'baz' }, 'World'),29]);30const vnode6 = createVNode('div

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Using AI Code Generation

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1const { patchVnode } = require('playwright-core/lib/server/domPatch');2const { parseHTML } = require('playwright-core/lib/server/domPatch');3const { createVNode } = require('playwright-core/lib/server/domPatch');4const { createDocument } = require('playwright-core/lib/server/domPatch');5const { createVNodeWithText } = require('playwright-core/lib/server/domPatch');6const { createTextVNode } = require('playwright-core/lib/server/domPatch');7const { createVNodeWithComment } = require('playwright-core/lib/server/domPatch');8const { createCommentVNode } = require('playwright-core/lib/server/domPatch');9const { createVNodeWithDocument } = require('playwright-core/lib/server/domPatch');10const { createVNodeWithDocumentType } = require('playwright-core/lib/server/domPatch');11const { createDocumentTypeVNode } = require('playwright-core/lib/server/domPatch');12const { createVNodeWithElement } = require('playwright-core/lib/server/domPatch');13const { createElementVNode } = require('playwright-core/lib/server/domPatch');14const { createVNodeWithFragment } = require('playwright-core/lib/server/domPatch');15const { createFragmentVNode } = require('playwright-core/lib/server/domPatch');16const { createVNodeWithShadowRoot } = require('playwright-core/lib/server/domPatch');17const { createShadowRootVNode } = require('playwright-core/lib/server/domPatch');18const { createVNodeWithTextContent } = require('playwright-core/lib/server/domPatch');19const { createVNodeWithElementAttribute } = require('playwright-core/lib/server/domPatch');20const { createVNodeWithElementProperty } = require('playwright-core/lib/server/domPatch');21const { createVNodeWithElementEvent } = require('playwright-core/lib/server/domPatch');22const { createVNodeWithElementEventProperty } = require('playwright-core/lib/server/domPatch');23const { createVNodeWithElementEventOptions } = require('playwright-core/lib/server/domPatch');24const { createVNodeWithElementStyle } = require('playwright-core/lib/server/domPatch');25const { createVNodeWithElementClass } = require('playwright-core/lib/server/domPatch');26const { createVNodeWithElementChild } = require('playwright-core/lib/server/domPatch');27const { createVNodeWith

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Using AI Code Generation

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1const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');2patchVnode(vnode, context, callback);3const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');4patchVnode(vnode, context, callback);5const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');6patchVnode(vnode, context, callback);7const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');8patchVnode(vnode, context, callback);9const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');10patchVnode(vnode, context, callback);11const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');12patchVnode(vnode, context, callback);13const { patchVnode } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');14patchVnode(vnode, context, callback);15const { patchVnode } = require('playwright-core/lib/server

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Using AI Code Generation

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1const { patchVnode } = require('playwright/lib/server/domPatch');2const { parse } = require('playwright/lib/server/domParser');3const html = `<div id="parent"><div id="child">Child</div></div>`;4const dom = parse(html);5const parent = dom.querySelector('#parent');6const child = dom.querySelector('#child');7patchVnode(child, { attributes: { id: 'newId' } }, dom);8console.log(dom.toString());

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Using AI Code Generation

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1const { patchVnode } = require('@playwright/test/lib/server/vnodePatch');2const { parse } = require('playwright-core/lib/server/inspector/dom.js');3const vNode = parse('<div class="test">Hello World</div>');4const newVNode = parse('<div class="test">Hello World</div>');5const patch = patchVnode(vNode, newVNode);6console.log(patch);7const { patchVnode } = require('@playwright/test/lib/server/vnodePatch');8const { parse } = require('playwright-core/lib/server/inspector/dom.js');9const vNode = parse('<div class="test">Hello World</div>');10const newVNode = parse('<div class="test">Hello World</div>');11const patch = patchVnode(vNode, newVNode);12console.log(patch);13const { patchVnode } = require('@playwright/test/lib/server/vnodePatch');14const { parse } = require('playwright-core/lib/server/inspector/dom.js');15const vNode = parse('<div class="test">Hello World</div>');16const newVNode = parse('<div class="test">Hello World</div>');17const patch = patchVnode(vNode, newVNode);18console.log(patch);19const { patchVnode }

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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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