How to use reconcileSingleTextNode method in Playwright Internal

Best JavaScript code snippet using playwright-internal

MyReact.js

Source:MyReact.js Github

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...112 fiber.return = returnFiber;113 return fiber;114 }115}116function reconcileSingleTextNode(returnFiber, text) {117 let fiber = createFiber(HostText, null, text);118 fiber.return = returnFiber;119 return fiber;120}121function reconcileChildrenArray(workInProgress, nextChildren) {122 // 这个方法中，要通过index和key值去尽可能多的找到可以复用的dom节点123 // 这个函数就是react中最最复杂的diff算法124 let nowWorkInProgress = null;125 if (isFirstRender) {126 nextChildren.forEeach((reactElement, index) => {127 if (index === 0) {128 if (129 typeof reactElement === "string" ||130 typeof reactElement === "number"131 ) {132 workInProgress.child = reconcileSingleTextNode(133 workInProgress,134 reactElement135 );136 } else {137 workInProgress.child = reconcileSingleElement(138 workInProgress,139 reactElement140 );141 }142 nowWorkInProgress = workInProgress.child;143 } else {144 if (145 typeof reactElement === "string" ||146 typeof reactElement === "number"147 ) {148 workInProgress.sibling = reconcileSingleTextNode(149 workInProgress,150 reactElement151 );152 } else {153 workInProgress.sibling = reconcileSingleElement(154 workInProgress,155 reactElement156 );157 }158 nowWorkInProgress = nowWorkInProgress.sibling;159 }160 });161 return workInProgress.child;162 }163}164function reconcileChildrenFiber(workInProgress, nextChildren) {165 if (typeof nextChildren === "object" && !!nextChildren.$$typeof) {166 // 说明它是一个独生子，并且是react元素167 return reconcileSingleElement(workInProgress, nextChildren);168 }169 if (nextChildren instanceof Array) {170 // retrun reconcileChildrenArray(workInProgress, nextChildren)171 }172 if (typeof nextChildren === "string" || typeof nextChildren === "number") {173 // retrun reconcileSingleTextNode(workInProgress, nextChildren)174 }175 return null;176}177function reconcileChildren(workInProgress, nextChildren) {178 if (isFirstRender && !!workInProgress.alternate) {179 workInProgress.child = reconcileChildrenFiber(workInProgress, nextChildren);180 workInProgress.child.effectTag = Placement;181 } else {182 workInProgress.child = reconcileChildrenFiber(workInProgress, nextChildren);183 }184}185function updateHostRoot(workInProgress) {186 let children = workInProgress.memoizedState.element;187 reconcileChildren(workInProgress, children);...

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react-dom.js

Source:react-dom.js Github

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...63 } else {64 workInProgress.child = reconcileChildFiber(workInProgress, nextChildren)65 }66}67function reconcileSingleTextNode(returnFiber, text) {68 let fiber = createFiber(HostText, null, text)69 fiber.return = returnFiber70 return fiber71}72function reconcileSingleElement(returnFiber, element) {73 let type = element.type74 let flag = null75 if (element.$$typeof === Symbol.for('react.element')) {76 if (type === "function") {77 // 判断是不是 Class组件78 if (type.prototype && type.prototype.isReactComponent) {79 flag = ClassComponent80 }81 } else if (type === "string") {82 flag = HostComponent83 }84 }85 // 创建fiber86 let fiber = createFiber(flag, element.key, element.props)87 fiber.type = type88 fiber.return = returnFiber89 return fiber90}91function reconcileChildrenArray(workInProgress, nextChildren) {92 // 这个方法中 要通过 index 和key 值去尽可能的找到可以复用的dom 节点93 // 这个函数是react最最复杂的 diff 算法94 let nowWorkInProgress = null95 if (isFirstRender) {96 nextChildren.forEach((reactElement, index) => {97 if (index === 0) {98 if (typeof reactElement === 'string' || typeof reactElement === 'number') {99 workInProgress.child = reconcileSingleTextNode(workInProgress, reactElement)100 } else {101 workInProgress.child = reconcileSingleElement(workInProgress, reactElement)102 }103 nowWorkInProgress = workInProgress.child104 } else {105 if (typeof reactElement === 'string' || typeof reactElement === 'number') {106 nowWorkInProgress.sibling = reconcileSingleTextNode(workInProgress, reactElement)107 } else {108 nowWorkInProgress.child = reconcileSingleElement(workInProgress, reactElement)109 }110 nowWorkInProgress = nowWorkInProgress.sibling111 }112 })113 return workInProgress.child114 }115}116function reconcileChildFiber(workInProgress, nextChildren) {117 if (typeof nextChildren === "object" && nextChildren && nextChildren.$$typeof) {118 // 说明它是一个独生子 并且是react元素119 return reconcileSingleElement(workInProgress, nextChildren)120 }121 if (nextChildren instanceof Array) {122 return reconcileChildrenArray(workInProgress, nextChildren)123 }124 if (typeof nextChildren === "string" || typeof nextChildren === "number") {125 return reconcileSingleTextNode(workInProgress, nextChildren)126 }127}128function updateHostRoot(workInProgress) {129 let children = workInProgress.memoizedState.element130 return reconcileChildren(workInProgress, children)131}132let classcomponentUpdater = {133 enqueueState: null134}135function updateClassComponent(workInProgress) {136 let component = workInProgress.type137 let nextProps = workInProgress.pendingProps138 if (component.defaultProps) {139 nextProps = Object.assign({}, component.defaultProps, nextProps)...

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index.js

Source:index.js Github

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...64 fiber.return = returnFiber65 return fiber 66 }67}68function reconcileSingleTextNode(returnFiber, element){69 let fiber = createFiber(HostText, element, null)70 fiber.return = returnFiber71 return fiber72}73function reconcileChildrenArray(workInProgress, nextChildren){74 let nowWorkInProgress = null75 if(isFirstRender){76 nextChildren.forEach((reactElement, index) => {77 if(index === 0){78 if(typeof reactElement == 'string' || typeof reactElement == 'number'){79 workInProgress.child = reconcileSingleTextNode(workInProgress, reactElement)80 } else{81 workInProgress.child = reconcileSingleElement(workInProgress, reactElement)82 }83 nowWorkInProgress = workInProgress.child84 }else{85 if(typeof reactElement == 'string' || typeof reactElement == 'number'){86 nowWorkInProgress.sibling = reconcileSingleTextNode(workInProgress, reactElement)87 } else{88 nowWorkInProgress.sibling = reconcileSingleElement(workInProgress, reactElement)89 }90 nowWorkInProgress = nowWorkInProgress.sibling91 }92 })93 return workInProgress.child;94 }95}96function reconcileChildFiber(workInProgress, nextChildren){97 if(typeof nextChildren === 'object' && !!nextChildren && !!nextChildren.$$typeof){98 //单个节点99 return reconcileSingleElement(workInProgress, nextChildren)100 }101 if(nextChildren instanceof Array){102 return reconcileChildrenArray(workInProgress, nextChildren)103 }104 if(typeof nextChildren === 'string' || typeof nextChildren === 'number'){105 // return reconcileSingleTextNode(workInProgress, nextChildren)106 }107 return null;108}109function reconcileChildren(workInProgress, nextChildren){110 if(isFirstRender && !!workInProgress.alternate){111 //拿到子节点的fiber112 workInProgress.child = reconcileChildFiber(workInProgress, nextChildren)113 //初次渲染的时候要设置修改状态为插入114 workInProgress.child.effectTag = Placement115 }else{116 workInProgress.child = reconcileChildFiber(workInProgress, nextChildren)117 }118 return workInProgress.child119}...

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react-diff.js

Source:react-diff.js Github

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...38 created.return = returnFiber;39 return created;40}41// 新元素为文本节点42function reconcileSingleTextNode(returnFiber, currentFirstChild, textConent) {43 if (currentFirstChild !== null && currentFirstChild.tag === HostText) {44 deleteRemainingChildren(returnFiber, currentFirstChild.sibling);45 // 复用第一个节点46 const existing = useFiber(currentFirstChild, textConent);47 existing.return = returnFiber;48 return existing;49 }50 deleteRemainingChildren(returnFiber, currentFirstChild);51 const created = createFiberFromText(textConent, returnFiber.mode);52 created.return = returnFiber;53 return created;54}55function placeChild(newFiber, lastPlacedIndex, newIdx) {56 newFiber.index = newIndex;57 if (!shouldTrackSideEffects) {58 return lastPlacedIndex;59 }60 const current = newFiber.alternate; // current== null,该节点为新增节点61 if (current !== null) {62 // current !== null 表示更新，存在已有节点63 const oldIndex = current.index;64 if (oldIndex < lastPlacedIndex) {65 newFiber.flags = Placement;66 return lastPlacedIndex;67 } else {68 // 该项依然留在老位置69 return oldIndex;70 }71 } else {72 newFiber.flags = Placement;73 return lastPlacedIndex;74 }75}76function updateTextNode(returnFiber, current, textContent) {77 // current节点不是可复用的文本节点78 if (current === null || current.tag !== HostText) {79 // 通过textContent创建文本节点Fiber80 const created = createFiberFromText(textContent, returnFiber.mode);81 created.return = returnFiber;82 return created;83 } else {84 // 找到可复用的文本节点了，则复用85 const existing = useFiber(current, textContent); // 复用文本节点86 existing.return = returnFiber;87 return existing;88 }89}90function updateElement(returnFiber, current, element) {91 if (current !== null) {92 if (current.elementType === element.type) {93 const existing = useFiber(current, element.props); // 复用节点94 existing.ref = coerceRef(returnFiber, current, element);95 existing.return = returnFiber;96 return existing;97 }98 }99 // 新节点100 const created = createFiberFromElement(element, returnFiber.mode);101 created.ref = coerceRef(returnFiber, current, element);102 created.return = returnFiber;103 return created;104}105// 将所有老节点添加到Map对象中106function mapRemainingChildren(returnFiber, currentFirstChild) {107 const existingChildren = new Map();108 let existingChild = currentFirstChild;109 while (existingChild !== null) {110 // key 不为null 元素节点111 if (existingChild.key !== null) {112 existingChildren.set(existingChild.key, existingChild);113 } else {114 // 不存在key 则使用index代替115 existingChildren.set(existingChild.index, existingChild);116 }117 existingChild = existingChild.sibling;118 }119 return existingChildren;120}121function updateFromMap(existingChildren, returnFiber, newIdx, newChild) {122 // 新节点是文本节点123 if (typeof newChild === 'string' || typeof newChild === 'number') {124 const matchedFiber = existingChildren.get(newIdx) || null; // 找index相同的节点复用125 return updateTextNode(returnFiber, matchedFiber, '' + newChild);126 }127 // newChild是元素节点的情况128 if (typeof newChild === 'object' && newChild !== null) {129 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {130 const matchedFiber =131 existingChildren.get(newChild.key ? newChild.key : newChild.index) ||132 null;133 // 返回更新后的元素节点134 return updateElement(returnFiber, matchedFiber, newChild);135 }136 }137 return null;138}139function createChild(returnFiber, newChild) {140 // 处理文本节点141 if (typeof newChild === 'string' || typeof newChild === 'number') {142 const created = createFiberFromText('' + newChild, returnFiber.mode);143 created.return = returnFiber;144 return created;145 }146 // 处理元素节点147 if (typeof newChild === 'object' && newChild !== null) {148 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {149 const created = createFiberFromElement(newChild, returnFiber.mode);150 created.ref = coerceRef(returnFiber, null, newChild);151 created.return = returnFiber;152 return created;153 }154 }155 return null;156}157function createFiberFromText(content, mode) {158 const fiber = createFiber(HostText, content, null);159 return fiber;160}161function createFiberFromElement(element, mode) {162 let owner = null;163 const type = element.type;164 const key = element.key;165 const pendingProps = element.props;166 const fiber = createFiberFromTypeAndProps(167 type,168 key,169 pendingProps,170 owner,171 mode172 );173 return fiber;174}175function coerceRef(returnFiber, current, element) {176 return element.ref;177}178// 新节点是包含多个节点的数组179function reconcileChildrenArray(returnFiber, currentFirstChild, newChildren) {180 let resultingFirstChild = null;181 let previousNewFiber = null;182 let oldFiber = currentFirstChild;183 let lastPlacedIndex = 0;184 let newIdx = 0;185 let nextOldFiber = null;186 // 第一次遍历，对比同位置的节点是否一样187 for (; oldFiber !== null && newIdx < newChildren.length; newIdx++) {188 if (oldFiber.index > newIdx) {189 nextOldFiber = oldFiber;190 oldFiber = null;191 } else {192 nextOldFiber = oldFiber.sibling;193 }194 // updateSlot 比对新老节点，返回null 表示旧节点不可复用，否则返回可复用的节点，即旧节点195 const newFiber = updateSlot(returnFiber, oldFiber, newChildren[newIdx]);196 if (newFiber === null) {197 if (oldFiber === null) {198 oldFiber = nextOldFiber;199 }200 break;201 }202 if (shouldTrackSideEffects) {203 if (oldFiber && newFiber.alternate === null) {204 deleteChild(returnFiber, oldFiber);205 }206 }207 // 给newFiber添加flags标识208 lastPlaceIndex = placeChild(newFiber, lastPlacedIndex, newIdx);209 if (previousNewFiber === null) {210 resultingFirstChild = newFiber; // 链表头211 } else {212 previousNewFiber.sibling = newFiber;213 }214 previousNewFiber = newFiber;215 oldFiber = nextOldFiber;216 }217 // 新节点已经全部遍历完毕218 if (newIdx === newChildren.length) {219 // 删除剩余的节点220 deleteRemainingChildren(returnFiber, oldFiber);221 return resultingFirstChild;222 }223 // 老节点遍历完毕，新节点中剩下的则为新创建的224 if (oldFiber === null) {225 for (; newIdx < newChildren.length; newIdx++) {226 const newFiber = createChild(returnFiber, newChildren[newIdx], lanes);227 if (newFiber === null) {228 continue;229 }230 lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx);231 if (previousNewFiber === null) {232 resultingFirstChild = newFiber;233 } else {234 previousNewFiber.sibling = newFiber;235 }236 previousNewFiber = newFiber;237 }238 return resultingFirstChild;239 }240 // 处理需要移动节点的情况，即旧节点中存在可复用，位置变化的节点241 const existingChildren = mapRemainingChildren(returnFiber, oldFiber);242 // 处理剩余的新节点243 for (; newIdx < newChildren.length; newIdx++) {244 const newFiber = updateFromMap(245 existingChildren,246 returnFiber,247 newIdx,248 newChildren[newIndex]249 );250 if (newFiber !== null) {251 if (shouldTrackSideEffects) {252 if (newFiber.alternate !== null) {253 // newFiber复用的旧节点已经被复用了，从existingChildren删除此节点254 existingChildren.delete(255 newFiber.key === null ? newIdx : newFiber.key256 );257 }258 }259 }260 // 修改lastPlacedIndex的值，给newFiber添加flags标识261 lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx);262 if (previousNewFiber === null) {263 resultingFirstChild = newFiber;264 } else {265 previousNewFiber.sibling = newFiber;266 }267 previousNewFiber = newFiber;268 }269 if (shouldTrackSideEffects) {270 // 旧节点中可复用的节点都已经被删除了，剩余的旧节点都是不能被复用的，需要删除271 existingChildren.forEach((child) => deleteChild(returnFiber, child));272 }273 return resultingFirstChild; // 链表头节点274}275function placeSingleChild(fiber) {276 if (shouldTrackSideEffects && newFiber.alternate === null) {277 fiber.flags = Placement;278 }279 return fiber;280}281function reconcileChildFibers(returnFiber, currentFirstChild, newChild) {282 if (newChild.type === REACT_FRAGMENT_TYPE) {283 newChild = newChild.props.children;284 }285 const isObject = typeof newChild === 'object' && newChild !== null;286 if (isObject) {287 switch (newChild.$$typeof) {288 case REACT_ELEMENT_TYPE: // react节点 打上flags属性289 return placeSingleChild(290 reconcileSingleElement(returnFiber, currentFirstChild, newChild)291 );292 }293 }294 // 新节点为普通的文本类型295 if (typeof newChild === 'string' || typeof newChild === 'number') {296 return placeSingleChild(297 reconcileSingleTextNode(returnFiber, currentFirstChild, '' + newChild)298 );299 }300 // 新节点是数组301 if (Array.isArray(newChild)) {302 return reconcileChildrenArray(returnFiber, currentFirstChild, newChild);303 }...

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diff.js

Source:diff.js Github

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1// react的diff预设了三个限制2// 1.只对同级元素进行Diff。如果一个DOM节点在前后两次更新中跨越了层级，那么React不会尝试复用他。3// 2.两个不同类型的元素会产生出不同的树。如果元素由div变为p，React会销毁div及其子孙节点，并新建p及其子孙节点。4// 3.开发者可以通过 key prop来暗示哪些子元素在不同的渲染下能保持稳定5// 根据newChild类型选择不同diff函数处理6function reconcileChildFibers(7 returnFiber: Fiber,8 currentFirstChild: Fiber | null,9 newChild: any,10): Fiber | null {11 const isObject = typeof newChild === 'object' && newChild !== null;12 if (isObject) {13 // object类型，可能是 REACT_ELEMENT_TYPE 或 REACT_PORTAL_TYPE14 switch (newChild.$$typeof) {15 case REACT_ELEMENT_TYPE:16 // 调用 reconcileSingleElement 处理17 // // ...省略其他case18 }19 }20 if (typeof newChild === 'string' || typeof newChild === 'number') {21 // 调用 reconcileSingleTextNode 处理22 // ...省略23 }24 if (isArray(newChild)) {25 // 调用 reconcileChildrenArray 处理26 // ...省略27 }28 // 一些其他情况调用处理函数29 // ...省略30 // 以上都没有命中，删除节点31 return deleteRemainingChildren(returnFiber, currentFirstChild);32}33// 我们可以从同级的节点数量将Diff分为两类：34// 1.当newChild类型为object、number、string，代表同级只有一个节点35// 2.当newChild类型为Array，同级有多个节点36//判断DOM节点是否可以复用37function reconcileSingleElement(38 returnFiber: Fiber,39 currentFirstChild: Fiber | null,40 element: ReactElement41): Fiber {42 const key = element.key;43 let child = currentFirstChild;44 // 首先判断是否存在对应DOM节点45 while (child !== null) {46 // 上一次更新存在DOM节点，接下来判断是否可复用47 // 首先比较key是否相同48 if (child.key === key) {49 // key相同，接下来比较type是否相同50 switch (child.tag) {51 // ...省略case52 default: {53 if (child.elementType === element.type) {54 // type相同则表示可以复用55 // 返回复用的fiber56 return existing;57 }58 // type不同则跳出循环59 break;60 }61 }62 // 代码执行到这里代表：key相同但是type不同63 // 将该fiber及其兄弟fiber标记为删除64 deleteRemainingChildren(returnFiber, child);65 break;66 } else {67 // key不同，将该fiber标记为删除68 deleteChild(returnFiber, child);69 }70 child = child.sibling;71 }72 // 创建新Fiber，并返回 ...省略73}74//diff会进行两轮遍历75//第一轮：判断新旧fiber是否可以复用，不可以复用进入第二轮76//第二轮：1.newChildren与oldFiber同时遍历完77// 那就是最理想的情况：只需在第一轮遍历进行组件更新。此时Diff结束。78// 2.newChildren没遍历完，oldFiber遍历完79// 已有的DOM节点都复用了，这时还有新加入的节点，意味着本次更新有新节点插入，我们只需要遍历剩下的newChildren为生成的workInProgress fiber依次标记Placement。80// 3.newChildren遍历完，oldFiber没遍历完81// 意味着本次更新比之前的节点数量少，有节点被删除了。所以需要遍历剩下的oldFiber，依次标记Deletion。82// 4.newChildren与oldFiber都没遍历完...

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benginWork.js

Source:benginWork.js Github

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...78 if (isObject) {79 }80 if (typeof newChild === 'string' || typeof newChild === 'number') {81 return placeSingleChild(82 reconcileSingleTextNode(83 returnFiber,84 currentFirstChild,85 '' + newChild86 )87 )88 }89 if (Array.isArray(newChild)) {90 return reconcileChildrenArray(91 returnFiber,92 currentFirstChild,93 newChild94 )95 }96 return null97}98function reconcileChildrenArray(99 returnFiber,100 currentFirstChild,101 newChildren102) {103 let resultingFirstChild = null104 let previousNewFiber = null105 let idx = 0106 for (; idx < newChildren.length; idx ++) {107 const newFiber = createChild(returnFiber, newChildren[idx])108 if (previousNewFiber === null) {109 resultingFirstChild = newFiber110 } else {111 previousNewFiber.sibling = newFiber112 }113 previousNewFiber = newFiber114 }115 return resultingFirstChild116}117function createChild(118 returnFiber,119 newChild120) {121 if (typeof newChild === 'string' || typeof newChild === 'number') {122 const created = createFiberFromText('' + newChild)123 return created124 }125 return null126}127function placeSingleChild(newFiber) {128 return newFiber129}130function reconcileSingleTextNode(131 returnFiber,132 currentFirstChild,133 textContent134) {135 deleteRemainingChildren(returnFiber, currentFirstChild)136 const created = createFiberFromText(textContent)137 return created138}139function deleteChild(returnFiber, childToDelete) {140 const deletions = returnFiber.deletions141 if (deletions !== null) {142 returnFiber.deletions = [childToDelete]143 returnFiber.flags |= 'Deletion'144 } else {...

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ReactChildFiber.js

Source:ReactChildFiber.js Github

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...33 const created = createFiberFromElement(element);34 created.return = returnFiber;35 return created;36 }37 function reconcileSingleTextNode(returnFiber, currentFirstChild, textContent) {38 // 省略更新过程39 const created = createFiberFromText(textContent);40 created.return = returnFiber;41 return created;42 }43 // 标记当前fiber需要在commit阶段插入DOM44 function placeSingleChild(fiber) {45 // alternate 存在表示该fiber 已经插入到DOM46 if (shouldTrackSideEffects && !fiber.alternate) {47 fiber.effectTag = Placement48 }49 return fiber50 }51 function reconcileChildArray(returnFiber, currentFirstChild, newChild) {52 // TODO array diff53 let prev;54 let first;55 for(let i = 0; i < newChild.length; i++) {56 const child = newChild[i];57 const newFiber = createChild(returnFiber, child)58 if (!newFiber) {59 continue;60 }61 placeSingleChild(newFiber)62 if (prev) {63 prev.sibling = newFiber64 }65 if (!first) {66 first = newFiber67 }68 prev = newFiber69 }70 return first71 }72 function reconcileChildFibers(returnFiber, currentFirstChild, newChild) {73 // React.createElement 类型 或者 子节点是 String Nunber 对应的Array类型74 const isObject = typeof newChild === 'object' && newChild !== null;75 if (isObject) {76 switch(newChild.$$typeof) {77 case REACT_ELEMENT_TYPE:78 return placeSingleChild(reconcileSingleElement(79 returnFiber,80 currentFirstChild,81 newChild82 ))83 }84 // 在 beginWork update各类Component时并未处理HostText，这里处理单个HostText85 if (typeof newChild === 'number' || typeof newChild === 'string') {86 return placeSingleChild(reconcileSingleTextNode(87 returnFiber,88 currentFirstChild,89 newChild90 ))91 }92 }93 console.log('未实现的协调分支逻辑');94 }95 return reconcileChildFibers96}97export const reconcileChildFibers = ChildReconciler(true);...

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reconcileChildren.js

Source:reconcileChildren.js Github

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...20 }21 }22 if (typeof newChild === 'string' || typeof newChild === 'number') {23 return placeSingleChild(24 reconcileSingleTextNode(25 returnFiber,26 currentFirstChild,27 newChild28 )29 )30 }31 console.log('jijij')32 if (Array.isArray(newChild)) {33 return reconcileChildrenArray(34 returnFiber,35 currentFirstChild,36 newChild37 )38 }...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 window['playwright'].reconcileSingleTextNode(element);8 });9 await page.screenshot({ path: 'test.png' });10 await browser.close();11})();

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Using AI Code Generation

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1const { chromium } = require("playwright");2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 const textNode = document.createTextNode("Hello World");8 const divEl = document.createElement("div");9 divEl.appendChild(textNode);10 document.body.appendChild(divEl);11 const textNodeFromDiv = divEl.childNodes[0];12 const textNodeFromBody = document.body.childNodes[0];13 console.log(textNodeFromDiv === textNodeFromBody);14 window.playwright.reconcileSingleTextNode(textNodeFromBody, textNodeFromDiv);15 console.log(textNodeFromDiv === textNodeFromBody);16 });17 await browser.close();18})();19Playwright.reconcileSingleTextNode(textNode, newTextNode)20const { chromium } = require("playwright");21(async () => {22 const browser = await chromium.launch();23 const context = await browser.newContext();24 const page = await context.newPage();25 await page.evaluate(() => {26 const textNode = document.createTextNode("Hello World");27 const divEl = document.createElement("div");28 divEl.appendChild(textNode);29 document.body.appendChild(divEl);30 const textNodeFromDiv = divEl.childNodes[0];

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { reconcileSingleTextNode } = require('playwright/lib/server/dom.js');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('text=Get started');8 const text = await element.evaluate((element) => element.textContent);9 console.log('Text content of the element: ' + text);10 const textNode = await reconcileSingleTextNode(element);11 console.log('Text content of the reconciled element: ' + textNode);12 await browser.close();13})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { reconcileSingleTextNode } = require('playwright/lib/server/dom.js');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('text=Test your code');8 await reconcileSingleTextNode(element);9 await browser.close();10})();

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Using AI Code Generation

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1const {reconcileSingleTextNode} = require('playwright/lib/server/dom.js');2const {parseHTML} = require('playwright/lib/server/dom.js');3const {createJSHandle} = require('playwright/lib/server/dom.js');4const {createHandle} = require('playwright/lib/server/dom.js');5const {createPageBinding} = require('playwright/lib/server/dom.js');6const {createFrameBinding} = require('playwright/lib/server/dom.js');7const {createBinding} = require('playwright/lib/server/dom.js');8const {createCustomEvent} = require('playwright/lib/server/dom.js');9const {createMouseEvent} = require('playwright/lib/server/dom.js');10const {createKeyboardEvent} = require('playwright/lib/server/dom.js');11const {createFocusEvent} = require('playwright/lib/server/dom.js');12const {createPointerEvent} = require('playwright/lib/server/dom.js');13const {createEvent} = require('playwright/lib/server/dom.js');14const {createDocument} = require('playwright/lib/server/dom.js');15const {createDocumentType} = require('playwright/lib/server/dom.js');16const {createDocumentFragment} = require('playwright/lib/server/dom.js');17const {createComment} = require('playwright/lib/server/dom.js');18const {createText} = require('playwright/lib/server/dom.js');19const {createCDATASection} = require('playwright/lib/server/dom.js');20const {createProcessingInstruction} = require('playwright/lib/server/dom.js');21const {createHTMLElement} = require('playwright/lib/server/dom.js');22const {createSVGElement} = require('playwright/lib/server/dom.js');23const {createElement} = require('playwright/lib/server/dom.js');24const {createNode} = require('playwright/lib/server/dom.js');25const {createXPath} = require('playwright/lib/server/dom.js');26const {createCSS} = require('playwright/lib/server/dom.js');27const {createSelectors} = require('playwright/lib/server/dom.js');28const {createJSHandleFromElement} = require('playwright/lib/server/dom.js');29const {createJSHandleFromSelector} = require('playwright/lib/server/dom.js');30const {createJSHandleFromXPath} = require('playwright/lib/server/dom.js');31const {createJSHandleFromCSS} = require('playwright/lib/server/dom.js');32const {createJSHandle

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const bodyText = await page.evaluate(() => {6 const element = document.body;7 return element.reconcileSingleTextNode();8 });9 console.log(bodyText);10 await browser.close();11})();12 at CDPSession.send (C:\Users\user\playwright\packages\playwright-core\lib\cdp\cdpSession.js:60:19)13 at CDPSession.send (C:\Users\user\playwright\packages\playwright-core\lib\cdp\cdpSession.js:54:16)14 at ExecutionContext.evaluateInternal (C:\Users\user\playwright\packages\playwright-core\lib\dom.js:123:35)15 at ExecutionContext.evaluate (C:\Users\user\playwright\packages\playwright-core\lib\dom.js:89:21)16 at processTicksAndRejections (internal/process/task_queues.js:97:5)

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Using AI Code Generation

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1const { reconcileSingleTextNode } = require('playwright/lib/server/dom.js');2const { reconcileSingleTextNode } = require('playwright/lib/server/dom.js');3const { test, expect } = require('@playwright/test');4test('Reconcile Single Text Node', async ({ page }) => {5 await page.setContent('<div id="container">Hello World</div>');6 const container = page.locator('#container');7 const text = await container.textContent();8 expect(text).toBe('Hello World');9 await reconcileSingleTextNode(container);10 const text2 = await container.textContent();11 expect(text2).toBe('Hello World');12});

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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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