How to use requestEventTime method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberReconciler.new.js

Source:ReactFiberReconciler.new.js Github

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...143 enableLog && console.log('updateContainer start')144 if (!__LOG_NAMES__.length || __LOG_NAMES__.includes('updateContainer')) debugger145 const current = container.current;146 // 获取事件开始时间，一般是performance.now()147 const eventTime = requestEventTime();148 // 获取更新优先级149 const lane = requestUpdateLane(current);150 const context = getContextForSubtree(parentComponent);151 if (container.context === null) {152 container.context = context;153 } else {154 container.pendingContext = context;155 }156 // 创建更新任务157 const update = createUpdate(eventTime, lane);158 // Caution: React DevTools currently depends on this property159 // being called "element".160 // 对于container，其update的payload就是React.element161 update.payload = { element };162 // 对于ReactDom.createRoot(Concurrent模式)的render来说，callback为null163 // 对于ReactDom.render来说，callback为ReactDom.render的第三个参数164 callback = callback === undefined ? null : callback;165 if (callback !== null) {166 update.callback = callback;167 }168 // 往updateQueue加入update169 enqueueUpdate(current, update);170 // 调度更新171 scheduleUpdateOnFiber(current, lane, eventTime);172 return lane;173}174export {175 batchedEventUpdates,176 batchedUpdates,177 unbatchedUpdates,178 deferredUpdates,179 discreteUpdates,180 flushDiscreteUpdates,181 flushControlled,182 flushSync,183 flushPassiveEffects,184 IsThisRendererActing,185 act,186};187export function getPublicRootInstance(188 container: OpaqueRoot,189): React$Component<any, any> | PublicInstance | null {190 const containerFiber = container.current;191 if (!containerFiber.child) {192 return null;193 }194 switch (containerFiber.child.tag) {195 case HostComponent:196 return getPublicInstance(containerFiber.child.stateNode);197 default:198 return containerFiber.child.stateNode;199 }200}201export function attemptSynchronousHydration(fiber: Fiber): void {202 switch (fiber.tag) {203 case HostRoot:204 const root: FiberRoot = fiber.stateNode;205 if (root.hydrate) {206 // Flush the first scheduled "update".207 const lanes = getHighestPriorityPendingLanes(root);208 flushRoot(root, lanes);209 }210 break;211 case SuspenseComponent:212 const eventTime = requestEventTime();213 flushSync(() => scheduleUpdateOnFiber(fiber, SyncLane, eventTime));214 // If we're still blocked after this, we need to increase215 // the priority of any promises resolving within this216 // boundary so that they next attempt also has higher pri.217 const retryLane = InputDiscreteHydrationLane;218 markRetryLaneIfNotHydrated(fiber, retryLane);219 break;220 }221}222function markRetryLaneImpl(fiber: Fiber, retryLane: Lane) {223 const suspenseState: null | SuspenseState = fiber.memoizedState;224 if (suspenseState !== null && suspenseState.dehydrated !== null) {225 suspenseState.retryLane = higherPriorityLane(226 suspenseState.retryLane,227 retryLane,228 );229 }230}231// Increases the priority of thennables when they resolve within this boundary.232function markRetryLaneIfNotHydrated(fiber: Fiber, retryLane: Lane) {233 markRetryLaneImpl(fiber, retryLane);234 const alternate = fiber.alternate;235 if (alternate) {236 markRetryLaneImpl(alternate, retryLane);237 }238}239export function attemptUserBlockingHydration(fiber: Fiber): void {240 if (fiber.tag !== SuspenseComponent) {241 // We ignore HostRoots here because we can't increase242 // their priority and they should not suspend on I/O,243 // since you have to wrap anything that might suspend in244 // Suspense.245 return;246 }247 const eventTime = requestEventTime();248 const lane = InputDiscreteHydrationLane;249 scheduleUpdateOnFiber(fiber, lane, eventTime);250 markRetryLaneIfNotHydrated(fiber, lane);251}252export function attemptContinuousHydration(fiber: Fiber): void {253 if (fiber.tag !== SuspenseComponent) {254 // We ignore HostRoots here because we can't increase255 // their priority and they should not suspend on I/O,256 // since you have to wrap anything that might suspend in257 // Suspense.258 return;259 }260 const eventTime = requestEventTime();261 const lane = SelectiveHydrationLane;262 scheduleUpdateOnFiber(fiber, lane, eventTime);263 markRetryLaneIfNotHydrated(fiber, lane);264}265export function attemptHydrationAtCurrentPriority(fiber: Fiber): void {266 if (fiber.tag !== SuspenseComponent) {267 // We ignore HostRoots here because we can't increase268 // their priority other than synchronously flush it.269 return;270 }271 const eventTime = requestEventTime();272 const lane = requestUpdateLane(fiber);273 scheduleUpdateOnFiber(fiber, lane, eventTime);274 markRetryLaneIfNotHydrated(fiber, lane);275}276export function runWithPriority<T>(priority: LanePriority, fn: () => T) {277 const previousPriority = getCurrentUpdateLanePriority();278 try {279 setCurrentUpdateLanePriority(priority);280 return fn();281 } finally {282 setCurrentUpdateLanePriority(previousPriority);283 }284}285export {getCurrentUpdateLanePriority};...

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ReactFiberReconciler.old.js

Source:ReactFiberReconciler.old.js Github

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...150 parentComponent: ?React$Component<any, any>,151 callback: ?Function,152): Lane {153 const current = container.current;154 const eventTime = requestEventTime();155 const lane = requestUpdateLane(current);156 if (enableSchedulingProfiler) {157 markRenderScheduled(lane);158 }159 const context = getContextForSubtree(parentComponent);160 if (container.context === null) {161 container.context = context;162 } else {163 container.pendingContext = context;164 }165 const update = createUpdate(eventTime, lane);166 // Caution: React DevTools currently depends on this property167 // being called "element".168 update.payload = {element};169 callback = callback === undefined ? null : callback;170 if (callback !== null) {171 update.callback = callback;172 }173 enqueueUpdate(current, update);174 scheduleUpdateOnFiber(current, lane, eventTime);175 return lane;176}177export {178 batchedEventUpdates,179 batchedUpdates,180 unbatchedUpdates,181 deferredUpdates,182 discreteUpdates,183 flushDiscreteUpdates,184 flushControlled,185 flushSync,186 flushPassiveEffects,187 IsThisRendererActing,188 act,189};190export function getPublicRootInstance(191 container: OpaqueRoot,192): React$Component<any, any> | PublicInstance | null {193 const containerFiber = container.current;194 if (!containerFiber.child) {195 return null;196 }197 switch (containerFiber.child.tag) {198 case HostComponent:199 return getPublicInstance(containerFiber.child.stateNode);200 default:201 return containerFiber.child.stateNode;202 }203}204export function attemptSynchronousHydration(fiber: Fiber): void {205 switch (fiber.tag) {206 case HostRoot:207 const root: FiberRoot = fiber.stateNode;208 if (root.hydrate) {209 // Flush the first scheduled "update".210 const lanes = getHighestPriorityPendingLanes(root);211 flushRoot(root, lanes);212 }213 break;214 case SuspenseComponent:215 const eventTime = requestEventTime();216 flushSync(() => scheduleUpdateOnFiber(fiber, SyncLane, eventTime));217 // If we're still blocked after this, we need to increase218 // the priority of any promises resolving within this219 // boundary so that they next attempt also has higher pri.220 const retryLane = InputDiscreteHydrationLane;221 markRetryLaneIfNotHydrated(fiber, retryLane);222 break;223 }224}225function markRetryLaneImpl(fiber: Fiber, retryLane: Lane) {226 const suspenseState: null | SuspenseState = fiber.memoizedState;227 if (suspenseState !== null && suspenseState.dehydrated !== null) {228 suspenseState.retryLane = higherPriorityLane(229 suspenseState.retryLane,230 retryLane,231 );232 }233}234// Increases the priority of thennables when they resolve within this boundary.235function markRetryLaneIfNotHydrated(fiber: Fiber, retryLane: Lane) {236 markRetryLaneImpl(fiber, retryLane);237 const alternate = fiber.alternate;238 if (alternate) {239 markRetryLaneImpl(alternate, retryLane);240 }241}242export function attemptUserBlockingHydration(fiber: Fiber): void {243 if (fiber.tag !== SuspenseComponent) {244 // We ignore HostRoots here because we can't increase245 // their priority and they should not suspend on I/O,246 // since you have to wrap anything that might suspend in247 // Suspense.248 return;249 }250 const eventTime = requestEventTime();251 const lane = InputDiscreteHydrationLane;252 scheduleUpdateOnFiber(fiber, lane, eventTime);253 markRetryLaneIfNotHydrated(fiber, lane);254}255export function attemptContinuousHydration(fiber: Fiber): void {256 if (fiber.tag !== SuspenseComponent) {257 // We ignore HostRoots here because we can't increase258 // their priority and they should not suspend on I/O,259 // since you have to wrap anything that might suspend in260 // Suspense.261 return;262 }263 const eventTime = requestEventTime();264 const lane = SelectiveHydrationLane;265 scheduleUpdateOnFiber(fiber, lane, eventTime);266 markRetryLaneIfNotHydrated(fiber, lane);267}268export function attemptHydrationAtCurrentPriority(fiber: Fiber): void {269 if (fiber.tag !== SuspenseComponent) {270 // We ignore HostRoots here because we can't increase271 // their priority other than synchronously flush it.272 return;273 }274 const eventTime = requestEventTime();275 const lane = requestUpdateLane(fiber);276 scheduleUpdateOnFiber(fiber, lane, eventTime);277 markRetryLaneIfNotHydrated(fiber, lane);278}279export function runWithPriority<T>(priority: LanePriority, fn: () => T) {280 const previousPriority = getCurrentUpdateLanePriority();281 try {282 setCurrentUpdateLanePriority(priority);283 return fn();284 } finally {285 setCurrentUpdateLanePriority(previousPriority);286 }287}288export {getCurrentUpdateLanePriority};...

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custom-reconciler.js

Source:custom-reconciler.js Github

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...107 return fiberRoot;108}109function updateContainer(reactElement, fiberRoot, callback) {110 let currentFiber = fiberRoot.current;111 let now = requestEventTime();112 let lane = requestUpdateLane(currentFiber);113 let update = createUpdate(now, lane);114 update.payload = {115 reactElement,116 };117 update.callback = callback;118 enqueueUpdate(current, update);119 scheduleUpdateOnFiber(currentFiber, lane, now);120}121let currentEventTime = -1;122// 初始化updateContainer的时候会跟新时间123function requestEventTime() {124 if (currentEventTime != -1) {125 return currentEventTime;126 }127 currentEventTime = performance.now();128 return currentEventTime;129}130function requestUpdateLane(fiber) {131 let currentLane = fiber.lanes;132 // NoMode StrictMode BlockingMode = 2 etc133 // 不同模式更新的优先级不一样134 // lane => NoLane SyLane = 1 值越小优先级越高135 // fiber初始化136 let mode = fiber.mode;137 // 不是阻塞的情况下138 if ((mode & BlockingMode) === NoMode) {139 return SyncLane;140 }141 // context逻辑142}143function createUpdate(eventTime, lane) {144 return {145 eventTime,146 lane,147 tag: "updateState",148 payload: null,149 callback: null,150 // 链表的指针151 next: null,152 };153}154function enqueueUpdate(current, update) {155 let currentUpdate = current.updateQueue;156 let shareQueue = currentUpdate.shared;157 let pending = shareQueue.pending;158 // TODO 不知道为什么要搞个环链表 猜想保持状态在一致pending中159 if (pending === null) {160 update.next = update;161 } else {162 update.next = pending.next;163 pending.next = update;164 }165 shareQueue.update = update;166}167let nestedUpdateCount = 0;168let isRendering = false;169function scheduleUpdateOnFiber(fiber, lane, eventTime) {170 if (nestedUpdateCount > 50) {171 nestedUpdateCount = 0;172 console.error("死循环了");173 }174 // 更新lane175 //合并lane176 fiber.lanes = fiber.lanes | lane;177 if (fiber.alternate !== null) {178 fiber.alternate.lanes = fiber.alternate.lanes | lane;179 }180 let node = fiber;181 let parent = fiber.return;182 while (parent !== null) {183 parent.childLanes = parent.childLanes | lane;184 if (parent.alternate !== null) {185 parent.alternate.childLanes = parent.alternate.childLanes | lane;186 }187 node = parent;188 parent = parent.return;189 }190 let root = null;191 if (node.tag === HostRoot) {192 // fiber root193 root = node.stateNode;194 }195 root.pendingLanes |= lane;196 // 提高优先级 0b111 -> 0b110197 let higherPriorityLanes = lane - 1;198 root.suspendedLane &= higherPriorityLanes;199 root.pingedLane &= higherPriorityLanes;200 // clz32返回32位无符号整数前面有多少个0201 let index = TotalLanes - Math.clz32(lane);202 root.eventTimes[index] = lane;203 // 不做转换处理了 react为了避免冲突修改了权重值204 const priorityLevel = getCurrentPriorityLevel();205 if (lane === SyncLane) {206 // TODO Check if we're inside unbatchedUpdates and Check if we're not already rendering207 if (false) {208 } else {209 // 检查是否有其他lane被另外的work starved，如果标记他们过期，可以下一次210 markStarbedLanesAsExpired(root, eventTime);211 // 下一个更新的lane和权重212 let nextLanes = getNextLanes(root, NoLane);213 }214 }215}216function markStarbedLanesAsExpired(root, currentTime) {217 let pendingLanes = root.pendingLanes;218 let suspendedLanes = root.suspendedLanes;219 let pingedLanes = root.pingedLanes;220 let expirationTimes = root.expirationTimes;221 // 检查pending lanes 是否已经到达了他们的终止时间，222 let lanes = pendingLanes;223 while (lanes > 0) {224 let index = TotalLanes - Math.clz32(lanes);225 let lane = 1 << index;226 let expirationTime = expirationTimes[index];227 if (expirationTime === NoTimestamp) {228 if (229 (lane & suspendedLanes) === NoLane ||230 (lane & pingedLanes) !== NoLane231 ) {232 expirationTimes[index] = computeExpirationTime(lane, currentTime);233 }234 }235 }236}237let return_highestLanePriority = DefaultLanePriority;238function getHighestPriorityLanes(lane) {239 if ((SyncLane & lane) !== NoLane) {240 return_highestLanePriority = SyncLanePriority;241 return SyncLane;242 }243 if ((SyncBatchedLane & lane) !== NoLane) {244 return_highestLanePriority = SyncBatchedLanePriority;245 return SyncBatchedLane;246 }247 if ((InputDiscreteHydrationLane & lane) !== NoLane) {248 return_highestLanePriority = InputDiscreteHydrationLanePriority;249 return InputDiscreteHydrationLane;250 }251 if ((InputDiscreteLanes & lane) !== NoLane) {252 return_highestLanePriority = InputDiscreteLanePriority;253 return_InputDiscreteLanes = NoLanePriority;254 }255 // TODO ...256 return lane;257}258function getNextLanes(root, workInProgressLanes) {259 if (root.pendingLanes === NoLane) {260 return_highestLanePriority = NoLanePriority;261 }262}263function computeExpirationTime(lane, currentTime) {264 getHighestPriorityLanes(lane);265 if (return_highestLanePriority >= InputContinuousLanePriority) {266 return currentTime + 250;267 } else if (return_highestLanePriority >= TransitionPriority) {268 return currentTime + 5000;269 } else {270 return NoTimestamp;271 }272}273function enqueueSetState(instance, payload, callback) {274 var currentFiber = instance._reactinernals;275 var eventTime = requestEventTime();276}...

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ReactBaseComponent.js

Source:ReactBaseComponent.js Github

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...13 * 任务有不同优先级，优限级高的会打断优先级低的14 * 如果低优先级的任务一直不被执行，是否过期，如果过期，也要立即执行15 */16 var fiber = get(inst);17 var eventTime = requestEventTime();18 /**19 * 启用一个更新的赛道，计算本次更新的优先级20 * lane 赛道的意思 越往外优先级约低，约往内优先级约高21 * 1 优先级最高22 */23 var lane = requestUpdateLane(fiber);24 // 创建一个更新对象25 var update = createUpdate(eventTime, lane);26 // 负载数据 {number:1}27 update.payload = payload;28 // if (callback !== undefined && callback !== null) {29 // {30 // warnOnInvalidCallback(callback, 'setState');31 // }...

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4.6.ReactBaseCompontent.js

Source:4.6.ReactBaseCompontent.js Github

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2import {scheduleUpdateOnFiber} from './4.5.ReactFiberWorkLoop'3let classComponentUpdater = {4 enqueueState(inst,payload){5 let fiber = get(inst);6 let eventTime = requestEventTime();7 let lane = requestUpdateLane(fiber);//计算任务的优先级8 let update = createUpdate(eventTime,lane); //创建更新9 update.payload = payload; //payload是用户写的函数或者对象10 enqueueUpdate(fiber,update);11 scheduleUpdateOnFiber(fiber)12 }13}14function enqueueUpdate (fiber,update){15 fiber.updateQueue.push(update) ; //源码中是链表16}17function createUpdate(eventTime,lane){18 return {eventTime,lane}19}20function requestUpdateLane(){21 //按照当前事件的优先级来返回 lane值；这里模拟返回122 return SyncLane23}24//优先级高的会打断优先级低的25function requestEventTime(){26 return performance.now(); //获取程序启动到现在的时间27}28function get (inst){29 return inst._reactInteral30}31class Component{32 constructor(){33 this.updater = classComponentUpdater;34 }35 setState(partialState){36 this.updater.enqueueState(this,partialState)37 }...

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Root.js

Source:Root.js Github

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...26}27function updateContainer(element, root){ 28 // prepare and enqueue `update` 29 const current = root.current;//uninitialized fiber.30 const eventTime =requestEventTime();31 const lane = requestUpdateLane();32 const update = createUpdate(eventTime, lane, element);33 enqueueUpdate(current, update); //update fiber.updateQueue.34 const rootFiber = scheduleUpdateOnFiber(current, lane, eventTime); ...

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ReactBaseClasses.js

Source:ReactBaseClasses.js Github

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2import scheduleUpdateOnFiber from "./ReactFiberWorkLoop.js";3const classComponentUpdater = {4 enqueueUpdateSetState(inst, partialState) {5 const fiber = get(inst);6 const eventTime = requestEventTime();7 const lane = requestUpdateLane(fiber);8 const update = createUpdate(eventTime, lane);9 update.payload = partialState;10 enqueueUpdate(fiber, update);11 scheduleUpdateOnFiber(fiber);12 },13};14export default class Component {15 constructor() {16 this.updater = classComponentUpdater;17 }18 setState(partialState) {19 this.updater.enqueueUpdateSetState(this, partialState);20 }21}22function get(inst) {23 return inst._reactInternals;24}2526function enqueueUpdate(fiber, update) {27 fiber.updateQueue.push(update);28}2930function createUpdate(eventTime, lane) {31 return { eventTime, lane };32}3334function requestEventTime() {35 return performance.now();36}3738function requestUpdateLane(fiber) {39 return SyncLane; ...

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ReactFiberReconciler.js

Source:ReactFiberReconciler.js Github

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...8 container, 9 parentComponent10 ) {11 const current = container.current;12 const eventTime = requestEventTime();13 const lane = requestUpdateLane(current);14 const update = createUpdate(eventTime, lane);15 update.payload = {element};16 enqueueUpdate(current, update);17 scheduleUpdateOnFiber(current, lane, eventTime);18 return lane;19}20export function createContainer(containerInfo, tag) {21 return createFiberRoot(containerInfo, tag) ;22}23export {24 updateContainer...

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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.waitForSelector('.navbar__inner');7 const time = await page.evaluate(() => window.playwright.requestEventTime());8 console.log(time);9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.waitForSelector('.navbar__inner');17 const time = await page.evaluate(() => window.playwright.requestEventTime());18 console.log(time);19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 const page = await context.newPage();26 await page.waitForSelector('.navbar__inner');27 const time = await page.evaluate(() => window.playwright.requestEventTime());28 console.log(time);29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const context = await browser.newContext();35 const page = await context.newPage();36 await page.waitForSelector('.navbar__inner');37 const time = await page.evaluate(() => window.playwright.requestEventTime());38 console.log(time);

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright['chromium'].launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const time = await page.evaluate(() => {7 return window.playwrightInternal.requestEventTime();8 });9 console.log(time);10 await browser.close();11})();12const playwright = require('playwright');13(async () => {14 const browser = await playwright['chromium'].launch();15 const context = await browser.newContext();16 const time = await context.evaluate(() => {17 return window.playwrightInternal.requestEventTime();18 });19 console.log(time);20 await browser.close();21})();22const playwright = require('playwright');23(async () => {24 const browser = await playwright['chromium'].launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 const time = await page.evaluate(() => {28 return window.playwrightInternal.requestEventTime();29 });30 console.log(time);31 await browser.close();32})();33const playwright = require('playwright');34(async () => {35 const browser = await playwright['chromium'].launch();36 const context = await browser.newContext();37 const page = await context.newPage();38 const frame = page.mainFrame();39 const time = await frame.evaluate(() => {40 return window.playwrightInternal.requestEventTime();41 });42 console.log(time);43 await browser.close();44})();45const playwright = require('playwright');46(async () => {47 const browser = await playwright['chromium'].launch();

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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 time = await page.evaluate(() => {6 return window.playwright.requestEventTime();7 });8 console.log(time);9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const page = await browser.newPage();15 const time = await page.evaluate(() => {16 return window.playwright.requestEventTime();17 });18 console.log(time);19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const page = await browser.newPage();25 const time = await page.evaluate(() => {26 return window.playwright.requestEventTime();27 });28 console.log(time);29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const page = await browser.newPage();35 const time = await page.evaluate(() => {36 return window.playwright.requestEventTime();37 });38 console.log(time);39 await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43 const browser = await chromium.launch();44 const page = await browser.newPage();45 const time = await page.evaluate(() => {46 return window.playwright.requestEventTime();47 });48 console.log(time);49 await browser.close();50})();51const { chromium } = require('playwright');52(async () => {53 const browser = await chromium.launch();

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Using AI Code Generation

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1const playwright = require('playwright');2const { requestEventTime } = require('playwright/lib/internal');3(async () => {4 const browser = await playwright.chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const promise = requestEventTime(page, 'request');8 const promise2 = requestEventTime(page, 'response');9 const promise3 = requestEventTime(page, 'request', {10 });11 console.log(time, time2, time3);12})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { requestEventTime } = require('playwright/lib/internal/inspector');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const eventTime = await requestEventTime(page);7 console.log(eventTime);8 await browser.close();9})();10module.exports = {11};12const { helper } = require('../helper');13const { Events } = require('../events');14const { TimeoutError } = require('../errors');15const { assert } = require('../helper');16 * @param {!Page} page17 * @return {!Promise<number>}18async function requestEventTime(page) {19 const { targetId } = page._delegate;20 const { eventTime } = await page._delegate._connection.send('Target.getEventTime', { targetId });21 return eventTime;22}23class PageDelegate {24 constructor(page) {25 this._page = page;26 this._targetId = '';27 this._connection = new Connection();28 this._eventListeners = [];29 this._eventListeners.push(helper.addEventListener(this._connection, 'event', this._onEvent.bind(this)));30 this._eventListeners.push(helper.addEventListener(this._connection, 'close', this._onClose.bind(this)));31 this._eventListeners.push(helper.addEventListener(this._connection, 'error', () => {}));32 }33}34class Connection {35 async send(method, params) {36 const response = await this._rawSend(method, params);37 if (response.error) {38 const error = new Error(response.error.message);39 error.stack = response.error.stack;40 error.code = response.error.code;41 throw error;42 }43 return response;44 }45}46class Connection {47 async _rawSend(method, params) {48 const message = JSON.stringify({ id: ++this._lastId, method, params });49 this._ws.send(message);50 const response = await new Promise((fulfill, reject) => {51 this._callbacks.set(this._lastId, { fulfill, reject, method });52 });

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Using AI Code Generation

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1const { requestEventTime } = require('playwright/lib/server/trace/recorder');2const { chromium } = require('playwright');3const fs = require('fs');4(async () => {5 const browser = await chromium.launch({ headless: false });6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.screenshot({ path: `example.png` });9 await page.close();10 await context.close();11 await browser.close();12})();

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Using AI Code Generation

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1const { requestEventTime } = require('playwright/lib/utils/traceEvents');2const { eventTime } = require('playwright/lib/utils/traceEvents');3const { generateTraceEvents } = require('playwright/lib/utils/traceEvents');4const { chromium } = require('playwright');5(async () => {6 const browser = await chromium.launch({ headless: false });7 const context = await browser.newContext();8 const page = await context.newPage();9 await page.screenshot({ path: `example.png` });10 await browser.close();11})();12(async () => {13 const browser = await chromium.launch({ headless: false });14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.screenshot({ path: `example.png` });17 await browser.close();18})();19(async () => {20 const browser = await chromium.launch({ headless: false });21 const context = await browser.newContext();22 const page = await context.newPage();23 await page.screenshot({ path: `example.png` });24 await browser.close();25})();26(async () => {27 const browser = await chromium.launch({ headless: false });28 const context = await browser.newContext();29 const page = await context.newPage();30 await page.screenshot({ path: `example.png` });31 await browser.close();32})();33(async () => {34 const browser = await chromium.launch({ headless: false });35 const context = await browser.newContext();36 const page = await context.newPage();37 await page.screenshot({ path: `example.png` });38 await browser.close();39})();40(async () => {41 const browser = await chromium.launch({ headless: false });42 const context = await browser.newContext();

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Using AI Code Generation

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1const { requestEventTime } = require('playwright/lib/server/chromium/crNetworkManager');2const { browserServer } = require('playwright/lib/server/browserServer');3const { chromium } = require('playwright');4const { assert } = require('chai');5(async () => {6 const browser = await chromium.launch();7 const context = await browser.newContext();8 const page = await context.newPage();9 await page.screenshot({ path: 'google.png' });10 await browser.close();11})();12const { requestEventTime } = require('playwright/lib/server/chromium/crNetworkManager');13const { browserServer } = require('playwright/lib/server/browserServer');14const { chromium } = require('playwright');15const { assert } = require('chai');16(async () => {17 const browser = await chromium.launch();18 const context = await browser.newContext();19 const page = await context.newPage();20 await page.screenshot({ path: 'google.png' });21 await browser.close();22})();23const { requestEventTime } = require('playwright/lib/server/chromium/crNetworkManager');24const { browserServer } = require('playwright/lib/server/browserServer');25const { chromium } = require('playwright');26const { assert } = require('chai');27(async () => {28 const browser = await chromium.launch();29 const context = await browser.newContext();30 const page = await context.newPage();31 await page.screenshot({ path: 'google.png' });32 await browser.close();33})();34const { requestEventTime } = require('playwright/lib/server/chromium/crNetworkManager');35const { browserServer } = require('playwright/lib/server/browserServer');36const { chromium } = require('playwright');37const { assert } = require('chai');38(async () => {39 const browser = await chromium.launch();

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Using AI Code Generation

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1const { getTestState } = require('@playwright/test');2const { requestEventTime } = getTestState();3const eventTime = await requestEventTime();4console.log("eventTime", eventTime);5await browser.close();6const { test } = require('@playwright/test');7test('test', async ({ page }) => {8});9{10 "scripts": {11 },12 "devDependencies": {13 }14}15I am able to get the eventTime but I am not able to get the eventTime of the request made by the test. I have tried using the page.on('request') and page.on('requestfinished') but both of them are not working. I have also tried using the page.on('response') but that also doesn't work. I have also tried using the page.route() but that also doesn't work. Is there any way to get the eventTime of the request made by the test?16I have tried using the page.on('request') and page.on('requestfinished') but both of them are not working. I have also tried using the page.on('response') but that also doesn't work. I have also tried using the page.route() but that also doesn't work. Is there any way to get the eventTime of the request

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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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