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How to use retryTimedOutBoundary method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberUnwindWork.js

Source:ReactFiberUnwindWork.js

1/**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @flow8 */9import type {Fiber} from './ReactFiber';10import type {FiberRoot} from './ReactFiberRoot';11import type {ExpirationTime} from './ReactFiberExpirationTime';12import type {CapturedValue} from './ReactCapturedValue';13import type {Update} from './ReactUpdateQueue';14import type {Thenable} from './ReactFiberScheduler';15import type {SuspenseState} from './ReactFiberSuspenseComponent';16import {unstable_wrap as Schedule_tracing_wrap} from 'scheduler/tracing';17import getComponentName from 'shared/getComponentName';18import warningWithoutStack from 'shared/warningWithoutStack';19import {20  ClassComponent,21  HostRoot,22  HostComponent,23  HostPortal,24  ContextProvider,25  SuspenseComponent,26  DehydratedSuspenseComponent,27  IncompleteClassComponent,28} from 'shared/ReactWorkTags';29import {30  DidCapture,31  Incomplete,32  NoEffect,33  ShouldCapture,34  LifecycleEffectMask,35} from 'shared/ReactSideEffectTags';36import {37  enableSchedulerTracing,38  enableSuspenseServerRenderer,39} from 'shared/ReactFeatureFlags';40import {ConcurrentMode} from './ReactTypeOfMode';41import {shouldCaptureSuspense} from './ReactFiberSuspenseComponent';42import {createCapturedValue} from './ReactCapturedValue';43import {44  enqueueCapturedUpdate,45  createUpdate,46  CaptureUpdate,47  ForceUpdate,48  enqueueUpdate,49} from './ReactUpdateQueue';50import {logError} from './ReactFiberCommitWork';51import {getStackByFiberInDevAndProd} from './ReactCurrentFiber';52import {popHostContainer, popHostContext} from './ReactFiberHostContext';53import {54  isContextProvider as isLegacyContextProvider,55  popContext as popLegacyContext,56  popTopLevelContextObject as popTopLevelLegacyContextObject,57} from './ReactFiberContext';58import {popProvider} from './ReactFiberNewContext';59import {60  renderDidSuspend,61  renderDidError,62  onUncaughtError,63  markLegacyErrorBoundaryAsFailed,64  isAlreadyFailedLegacyErrorBoundary,65  pingSuspendedRoot,66  retryTimedOutBoundary,67} from './ReactFiberScheduler';68import invariant from 'shared/invariant';69import maxSigned31BitInt from './maxSigned31BitInt';70import {71  Sync,72  expirationTimeToMs,73  LOW_PRIORITY_EXPIRATION,74} from './ReactFiberExpirationTime';75import {findEarliestOutstandingPriorityLevel} from './ReactFiberPendingPriority';76const PossiblyWeakSet = typeof WeakSet === 'function' ? WeakSet : Set;77const PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map;78function createRootErrorUpdate(79  fiber: Fiber,80  errorInfo: CapturedValue<mixed>,81  expirationTime: ExpirationTime,82): Update<mixed> {83  const update = createUpdate(expirationTime);84  // Unmount the root by rendering null.85  update.tag = CaptureUpdate;86  // Caution: React DevTools currently depends on this property87  // being called "element".88  update.payload = {element: null};89  const error = errorInfo.value;90  update.callback = () => {91    onUncaughtError(error);92    logError(fiber, errorInfo);93  };94  return update;95}96function createClassErrorUpdate(97  fiber: Fiber,98  errorInfo: CapturedValue<mixed>,99  expirationTime: ExpirationTime,100): Update<mixed> {101  const update = createUpdate(expirationTime);102  update.tag = CaptureUpdate;103  const getDerivedStateFromError = fiber.type.getDerivedStateFromError;104  if (typeof getDerivedStateFromError === 'function') {105    const error = errorInfo.value;106    update.payload = () => {107      return getDerivedStateFromError(error);108    };109  }110  const inst = fiber.stateNode;111  if (inst !== null && typeof inst.componentDidCatch === 'function') {112    update.callback = function callback() {113      if (typeof getDerivedStateFromError !== 'function') {114        // To preserve the preexisting retry behavior of error boundaries,115        // we keep track of which ones already failed during this batch.116        // This gets reset before we yield back to the browser.117        // TODO: Warn in strict mode if getDerivedStateFromError is118        // not defined.119        markLegacyErrorBoundaryAsFailed(this);120      }121      const error = errorInfo.value;122      const stack = errorInfo.stack;123      logError(fiber, errorInfo);124      this.componentDidCatch(error, {125        componentStack: stack !== null ? stack : '',126      });127      if (__DEV__) {128        if (typeof getDerivedStateFromError !== 'function') {129          // If componentDidCatch is the only error boundary method defined,130          // then it needs to call setState to recover from errors.131          // If no state update is scheduled then the boundary will swallow the error.132          warningWithoutStack(133            fiber.expirationTime === Sync,134            '%s: Error boundaries should implement getDerivedStateFromError(). ' +135              'In that method, return a state update to display an error message or fallback UI.',136            getComponentName(fiber.type) || 'Unknown',137          );138        }139      }140    };141  }142  return update;143}144function attachPingListener(145  root: FiberRoot,146  renderExpirationTime: ExpirationTime,147  thenable: Thenable,148) {149  // Attach a listener to the promise to "ping" the root and retry. But150  // only if one does not already exist for the current render expiration151  // time (which acts like a "thread ID" here).152  let pingCache = root.pingCache;153  let threadIDs;154  if (pingCache === null) {155    pingCache = root.pingCache = new PossiblyWeakMap();156    threadIDs = new Set();157    pingCache.set(thenable, threadIDs);158  } else {159    threadIDs = pingCache.get(thenable);160    if (threadIDs === undefined) {161      threadIDs = new Set();162      pingCache.set(thenable, threadIDs);163    }164  }165  if (!threadIDs.has(renderExpirationTime)) {166    // Memoize using the thread ID to prevent redundant listeners.167    threadIDs.add(renderExpirationTime);168    let ping = pingSuspendedRoot.bind(169      null,170      root,171      thenable,172      renderExpirationTime,173    );174    if (enableSchedulerTracing) {175      ping = Schedule_tracing_wrap(ping);176    }177    thenable.then(ping, ping);178  }179}180function throwException(181  root: FiberRoot,182  returnFiber: Fiber,183  sourceFiber: Fiber,184  value: mixed,185  renderExpirationTime: ExpirationTime,186) {187  // The source fiber did not complete.188  sourceFiber.effectTag |= Incomplete;189  // Its effect list is no longer valid.190  sourceFiber.firstEffect = sourceFiber.lastEffect = null;191  if (192    value !== null &&193    typeof value === 'object' &&194    typeof value.then === 'function'195  ) {196    // This is a thenable.197    const thenable: Thenable = (value: any);198    // Find the earliest timeout threshold of all the placeholders in the199    // ancestor path. We could avoid this traversal by storing the thresholds on200    // the stack, but we choose not to because we only hit this path if we're201    // IO-bound (i.e. if something suspends). Whereas the stack is used even in202    // the non-IO- bound case.203    let workInProgress = returnFiber;204    let earliestTimeoutMs = -1;205    let startTimeMs = -1;206    do {207      if (workInProgress.tag === SuspenseComponent) {208        const current = workInProgress.alternate;209        if (current !== null) {210          const currentState: SuspenseState | null = current.memoizedState;211          if (currentState !== null) {212            // Reached a boundary that already timed out. Do not search213            // any further.214            const timedOutAt = currentState.timedOutAt;215            startTimeMs = expirationTimeToMs(timedOutAt);216            // Do not search any further.217            break;218          }219        }220        let timeoutPropMs = workInProgress.pendingProps.maxDuration;221        if (typeof timeoutPropMs === 'number') {222          if (timeoutPropMs <= 0) {223            earliestTimeoutMs = 0;224          } else if (225            earliestTimeoutMs === -1 ||226            timeoutPropMs < earliestTimeoutMs227          ) {228            earliestTimeoutMs = timeoutPropMs;229          }230        }231      }232      // If there is a DehydratedSuspenseComponent we don't have to do anything because233      // if something suspends inside it, we will simply leave that as dehydrated. It234      // will never timeout.235      workInProgress = workInProgress.return;236    } while (workInProgress !== null);237    // Schedule the nearest Suspense to re-render the timed out view.238    workInProgress = returnFiber;239    do {240      if (241        workInProgress.tag === SuspenseComponent &&242        shouldCaptureSuspense(workInProgress)243      ) {244        // Found the nearest boundary.245        // Stash the promise on the boundary fiber. If the boundary times out, we'll246        // attach another listener to flip the boundary back to its normal state.247        const thenables: Set<Thenable> = (workInProgress.updateQueue: any);248        if (thenables === null) {249          const updateQueue = (new Set(): any);250          updateQueue.add(thenable);251          workInProgress.updateQueue = updateQueue;252        } else {253          thenables.add(thenable);254        }255        // If the boundary is outside of concurrent mode, we should *not*256        // suspend the commit. Pretend as if the suspended component rendered257        // null and keep rendering. In the commit phase, we'll schedule a258        // subsequent synchronous update to re-render the Suspense.259        //260        // Note: It doesn't matter whether the component that suspended was261        // inside a concurrent mode tree. If the Suspense is outside of it, we262        // should *not* suspend the commit.263        if ((workInProgress.mode & ConcurrentMode) === NoEffect) {264          workInProgress.effectTag |= DidCapture;265          // We're going to commit this fiber even though it didn't complete.266          // But we shouldn't call any lifecycle methods or callbacks. Remove267          // all lifecycle effect tags.268          sourceFiber.effectTag &= ~(LifecycleEffectMask | Incomplete);269          if (sourceFiber.tag === ClassComponent) {270            const currentSourceFiber = sourceFiber.alternate;271            if (currentSourceFiber === null) {272              // This is a new mount. Change the tag so it's not mistaken for a273              // completed class component. For example, we should not call274              // componentWillUnmount if it is deleted.275              sourceFiber.tag = IncompleteClassComponent;276            } else {277              // When we try rendering again, we should not reuse the current fiber,278              // since it's known to be in an inconsistent state. Use a force updte to279              // prevent a bail out.280              const update = createUpdate(Sync);281              update.tag = ForceUpdate;282              enqueueUpdate(sourceFiber, update);283            }284          }285          // The source fiber did not complete. Mark it with Sync priority to286          // indicate that it still has pending work.287          sourceFiber.expirationTime = Sync;288          // Exit without suspending.289          return;290        }291        // Confirmed that the boundary is in a concurrent mode tree. Continue292        // with the normal suspend path.293        attachPingListener(root, renderExpirationTime, thenable);294        let absoluteTimeoutMs;295        if (earliestTimeoutMs === -1) {296          // If no explicit threshold is given, default to an arbitrarily large297          // value. The actual size doesn't matter because the threshold for the298          // whole tree will be clamped to the expiration time.299          absoluteTimeoutMs = maxSigned31BitInt;300        } else {301          if (startTimeMs === -1) {302            // This suspend happened outside of any already timed-out303            // placeholders. We don't know exactly when the update was304            // scheduled, but we can infer an approximate start time from the305            // expiration time. First, find the earliest uncommitted expiration306            // time in the tree, including work that is suspended. Then subtract307            // the offset used to compute an async update's expiration time.308            // This will cause high priority (interactive) work to expire309            // earlier than necessary, but we can account for this by adjusting310            // for the Just Noticeable Difference.311            const earliestExpirationTime = findEarliestOutstandingPriorityLevel(312              root,313              renderExpirationTime,314            );315            const earliestExpirationTimeMs = expirationTimeToMs(316              earliestExpirationTime,317            );318            startTimeMs = earliestExpirationTimeMs - LOW_PRIORITY_EXPIRATION;319          }320          absoluteTimeoutMs = startTimeMs + earliestTimeoutMs;321        }322        // Mark the earliest timeout in the suspended fiber's ancestor path.323        // After completing the root, we'll take the largest of all the324        // suspended fiber's timeouts and use it to compute a timeout for the325        // whole tree.326        renderDidSuspend(root, absoluteTimeoutMs, renderExpirationTime);327        workInProgress.effectTag |= ShouldCapture;328        workInProgress.expirationTime = renderExpirationTime;329        return;330      } else if (331        enableSuspenseServerRenderer &&332        workInProgress.tag === DehydratedSuspenseComponent333      ) {334        attachPingListener(root, renderExpirationTime, thenable);335        // Since we already have a current fiber, we can eagerly add a retry listener.336        let retryCache = workInProgress.memoizedState;337        if (retryCache === null) {338          retryCache = workInProgress.memoizedState = new PossiblyWeakSet();339          const current = workInProgress.alternate;340          invariant(341            current,342            'A dehydrated suspense boundary must commit before trying to render. ' +343              'This is probably a bug in React.',344          );345          current.memoizedState = retryCache;346        }347        // Memoize using the boundary fiber to prevent redundant listeners.348        if (!retryCache.has(thenable)) {349          retryCache.add(thenable);350          let retry = retryTimedOutBoundary.bind(351            null,352            workInProgress,353            thenable,354          );355          if (enableSchedulerTracing) {356            retry = Schedule_tracing_wrap(retry);357          }358          thenable.then(retry, retry);359        }360        workInProgress.effectTag |= ShouldCapture;361        workInProgress.expirationTime = renderExpirationTime;362        return;363      }364      // This boundary already captured during this render. Continue to the next365      // boundary.366      workInProgress = workInProgress.return;367    } while (workInProgress !== null);368    // No boundary was found. Fallthrough to error mode.369    // TODO: Use invariant so the message is stripped in prod?370    value = new Error(371      (getComponentName(sourceFiber.type) || 'A React component') +372        ' suspended while rendering, but no fallback UI was specified.\n' +373        '\n' +374        'Add a <Suspense fallback=...> component higher in the tree to ' +375        'provide a loading indicator or placeholder to display.' +376        getStackByFiberInDevAndProd(sourceFiber),377    );378  }379  // We didn't find a boundary that could handle this type of exception. Start380  // over and traverse parent path again, this time treating the exception381  // as an error.382  renderDidError();383  value = createCapturedValue(value, sourceFiber);384  let workInProgress = returnFiber;385  do {386    switch (workInProgress.tag) {387      case HostRoot: {388        const errorInfo = value;389        workInProgress.effectTag |= ShouldCapture;390        workInProgress.expirationTime = renderExpirationTime;391        const update = createRootErrorUpdate(392          workInProgress,393          errorInfo,394          renderExpirationTime,395        );396        enqueueCapturedUpdate(workInProgress, update);397        return;398      }399      case ClassComponent:400        // Capture and retry401        const errorInfo = value;402        const ctor = workInProgress.type;403        const instance = workInProgress.stateNode;404        if (405          (workInProgress.effectTag & DidCapture) === NoEffect &&406          (typeof ctor.getDerivedStateFromError === 'function' ||407            (instance !== null &&408              typeof instance.componentDidCatch === 'function' &&409              !isAlreadyFailedLegacyErrorBoundary(instance)))410        ) {411          workInProgress.effectTag |= ShouldCapture;412          workInProgress.expirationTime = renderExpirationTime;413          // Schedule the error boundary to re-render using updated state414          const update = createClassErrorUpdate(415            workInProgress,416            errorInfo,417            renderExpirationTime,418          );419          enqueueCapturedUpdate(workInProgress, update);420          return;421        }422        break;423      default:424        break;425    }426    workInProgress = workInProgress.return;427  } while (workInProgress !== null);428}429function unwindWork(430  workInProgress: Fiber,431  renderExpirationTime: ExpirationTime,432) {433  switch (workInProgress.tag) {434    case ClassComponent: {435      const Component = workInProgress.type;436      if (isLegacyContextProvider(Component)) {437        popLegacyContext(workInProgress);438      }439      const effectTag = workInProgress.effectTag;440      if (effectTag & ShouldCapture) {441        workInProgress.effectTag = (effectTag & ~ShouldCapture) | DidCapture;442        return workInProgress;443      }444      return null;445    }446    case HostRoot: {447      popHostContainer(workInProgress);448      popTopLevelLegacyContextObject(workInProgress);449      const effectTag = workInProgress.effectTag;450      invariant(451        (effectTag & DidCapture) === NoEffect,452        'The root failed to unmount after an error. This is likely a bug in ' +453          'React. Please file an issue.',454      );455      workInProgress.effectTag = (effectTag & ~ShouldCapture) | DidCapture;456      return workInProgress;457    }458    case HostComponent: {459      // TODO: popHydrationState460      popHostContext(workInProgress);461      return null;462    }463    case SuspenseComponent: {464      const effectTag = workInProgress.effectTag;465      if (effectTag & ShouldCapture) {466        workInProgress.effectTag = (effectTag & ~ShouldCapture) | DidCapture;467        // Captured a suspense effect. Re-render the boundary.468        return workInProgress;469      }470      return null;471    }472    case DehydratedSuspenseComponent: {473      if (enableSuspenseServerRenderer) {474        // TODO: popHydrationState475        const effectTag = workInProgress.effectTag;476        if (effectTag & ShouldCapture) {477          workInProgress.effectTag = (effectTag & ~ShouldCapture) | DidCapture;478          // Captured a suspense effect. Re-render the boundary.479          return workInProgress;480        }481      }482      return null;483    }484    case HostPortal:485      popHostContainer(workInProgress);486      return null;487    case ContextProvider:488      popProvider(workInProgress);489      return null;490    default:491      return null;492  }493}494function unwindInterruptedWork(interruptedWork: Fiber) {495  switch (interruptedWork.tag) {496    case ClassComponent: {497      const childContextTypes = interruptedWork.type.childContextTypes;498      if (childContextTypes !== null && childContextTypes !== undefined) {499        popLegacyContext(interruptedWork);500      }501      break;502    }503    case HostRoot: {504      popHostContainer(interruptedWork);505      popTopLevelLegacyContextObject(interruptedWork);506      break;507    }508    case HostComponent: {509      popHostContext(interruptedWork);510      break;511    }512    case HostPortal:513      popHostContainer(interruptedWork);514      break;515    case ContextProvider:516      popProvider(interruptedWork);517      break;518    default:519      break;520  }521}522export {523  throwException,524  unwindWork,525  unwindInterruptedWork,526  createRootErrorUpdate,527  createClassErrorUpdate,...

FiberWorkLoop.js

Source:FiberWorkLoop.js

...406  }407  const eventTime = requestEventTime();408  ensureRootIsScheduled(root, eventTime);409}410function retryTimedOutBoundary(boundaryFiber, retryLane=NoLane){411  // The boundary fiber (Suspense) previously was rendered in its fallback 412  // state. One of the promises that suspended is has resolved and try 413  // rendering again at a new expiration time.414  if (retryLane === NoLane) {415    retryLane = claimNextRetryLane();416  }417  const eventTime = requestEventTime();418  const root = markUpdateLaneFromChildToRoot(boundaryFiber, retryLane);419  if (root !== null){420    markRootUpdated(root, retryLane, eventTime);421    ensureRootIsScheduled(root, eventTime);422  }423}424export function resolveRetryWakeable(boundaryFiber, wakeable){425  let retryCache = boundaryFiber.stateNode;426  if(retryCache !== null){427    retryCache.delete(wakeable);428  }429  retryTimedOutBoundary(boundaryFiber);...

ReactFiberScheduler.js

Source:ReactFiberScheduler.js

1/**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @flow8 */9import {enableNewScheduler} from 'shared/ReactFeatureFlags';10import {11  requestCurrentTime as requestCurrentTime_old,12  computeExpirationForFiber as computeExpirationForFiber_old,13  captureCommitPhaseError as captureCommitPhaseError_old,14  onUncaughtError as onUncaughtError_old,15  renderDidSuspend as renderDidSuspend_old,16  renderDidError as renderDidError_old,17  pingSuspendedRoot as pingSuspendedRoot_old,18  retryTimedOutBoundary as retryTimedOutBoundary_old,19  resolveRetryThenable as resolveRetryThenable_old,20  markLegacyErrorBoundaryAsFailed as markLegacyErrorBoundaryAsFailed_old,21  isAlreadyFailedLegacyErrorBoundary as isAlreadyFailedLegacyErrorBoundary_old,22  scheduleWork as scheduleWork_old,23  flushRoot as flushRoot_old,24  batchedUpdates as batchedUpdates_old,25  unbatchedUpdates as unbatchedUpdates_old,26  flushSync as flushSync_old,27  flushControlled as flushControlled_old,28  deferredUpdates as deferredUpdates_old,29  syncUpdates as syncUpdates_old,30  interactiveUpdates as interactiveUpdates_old,31  flushInteractiveUpdates as flushInteractiveUpdates_old,32  computeUniqueAsyncExpiration as computeUniqueAsyncExpiration_old,33  flushPassiveEffects as flushPassiveEffects_old,34  warnIfNotCurrentlyActingUpdatesInDev as warnIfNotCurrentlyActingUpdatesInDev_old,35  inferStartTimeFromExpirationTime as inferStartTimeFromExpirationTime_old,36} from './ReactFiberScheduler.old';37import {38  requestCurrentTime as requestCurrentTime_new,39  computeExpirationForFiber as computeExpirationForFiber_new,40  captureCommitPhaseError as captureCommitPhaseError_new,41  onUncaughtError as onUncaughtError_new,42  renderDidSuspend as renderDidSuspend_new,43  renderDidError as renderDidError_new,44  pingSuspendedRoot as pingSuspendedRoot_new,45  retryTimedOutBoundary as retryTimedOutBoundary_new,46  resolveRetryThenable as resolveRetryThenable_new,47  markLegacyErrorBoundaryAsFailed as markLegacyErrorBoundaryAsFailed_new,48  isAlreadyFailedLegacyErrorBoundary as isAlreadyFailedLegacyErrorBoundary_new,49  scheduleWork as scheduleWork_new,50  flushRoot as flushRoot_new,51  batchedUpdates as batchedUpdates_new,52  unbatchedUpdates as unbatchedUpdates_new,53  flushSync as flushSync_new,54  flushControlled as flushControlled_new,55  deferredUpdates as deferredUpdates_new,56  syncUpdates as syncUpdates_new,57  interactiveUpdates as interactiveUpdates_new,58  flushInteractiveUpdates as flushInteractiveUpdates_new,59  computeUniqueAsyncExpiration as computeUniqueAsyncExpiration_new,60  flushPassiveEffects as flushPassiveEffects_new,61  warnIfNotCurrentlyActingUpdatesInDev as warnIfNotCurrentlyActingUpdatesInDev_new,62  inferStartTimeFromExpirationTime as inferStartTimeFromExpirationTime_new,63} from './ReactFiberScheduler.new';64// enableNewScheduler é½ä¸º falseï¼æä»¥æä»¬åªç old çä»£ç 65export const requestCurrentTime = enableNewScheduler66  ? requestCurrentTime_new67  : requestCurrentTime_old;68export const computeExpirationForFiber = enableNewScheduler69  ? computeExpirationForFiber_new70  : computeExpirationForFiber_old;71export const captureCommitPhaseError = enableNewScheduler72  ? captureCommitPhaseError_new73  : captureCommitPhaseError_old;74export const onUncaughtError = enableNewScheduler75  ? onUncaughtError_new76  : onUncaughtError_old;77export const renderDidSuspend = enableNewScheduler78  ? renderDidSuspend_new79  : renderDidSuspend_old;80export const renderDidError = enableNewScheduler81  ? renderDidError_new82  : renderDidError_old;83export const pingSuspendedRoot = enableNewScheduler84  ? pingSuspendedRoot_new85  : pingSuspendedRoot_old;86export const retryTimedOutBoundary = enableNewScheduler87  ? retryTimedOutBoundary_new88  : retryTimedOutBoundary_old;89export const resolveRetryThenable = enableNewScheduler90  ? resolveRetryThenable_new91  : resolveRetryThenable_old;92export const markLegacyErrorBoundaryAsFailed = enableNewScheduler93  ? markLegacyErrorBoundaryAsFailed_new94  : markLegacyErrorBoundaryAsFailed_old;95export const isAlreadyFailedLegacyErrorBoundary = enableNewScheduler96  ? isAlreadyFailedLegacyErrorBoundary_new97  : isAlreadyFailedLegacyErrorBoundary_old;98export const scheduleWork = enableNewScheduler99  ? scheduleWork_new100  : scheduleWork_old;101export const flushRoot = enableNewScheduler ? flushRoot_new : flushRoot_old;102export const batchedUpdates = enableNewScheduler103  ? batchedUpdates_new104  : batchedUpdates_old;105export const unbatchedUpdates = enableNewScheduler106  ? unbatchedUpdates_new107  : unbatchedUpdates_old;108export const flushSync = enableNewScheduler ? flushSync_new : flushSync_old;109export const flushControlled = enableNewScheduler110  ? flushControlled_new111  : flushControlled_old;112export const deferredUpdates = enableNewScheduler113  ? deferredUpdates_new114  : deferredUpdates_old;115export const syncUpdates = enableNewScheduler116  ? syncUpdates_new117  : syncUpdates_old;118export const interactiveUpdates = enableNewScheduler119  ? interactiveUpdates_new120  : interactiveUpdates_old;121export const flushInteractiveUpdates = enableNewScheduler122  ? flushInteractiveUpdates_new123  : flushInteractiveUpdates_old;124export const computeUniqueAsyncExpiration = enableNewScheduler125  ? computeUniqueAsyncExpiration_new126  : computeUniqueAsyncExpiration_old;127export const flushPassiveEffects = enableNewScheduler128  ? flushPassiveEffects_new129  : flushPassiveEffects_old;130export const warnIfNotCurrentlyActingUpdatesInDev = enableNewScheduler131  ? warnIfNotCurrentlyActingUpdatesInDev_new132  : warnIfNotCurrentlyActingUpdatesInDev_old;133export const inferStartTimeFromExpirationTime = enableNewScheduler134  ? inferStartTimeFromExpirationTime_new135  : inferStartTimeFromExpirationTime_old;136export type Thenable = {137  then(resolve: () => mixed, reject?: () => mixed): void | Thenable,...

Using AI Code Generation

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.screenshot({ path: 'example.png' });7  await browser.close();8})();9    at CDPSession.send (C:\Users\pavani\Documents\Playwright\playwright\lib\client\cdpSession.js:41:19)10    at ExecutionContext._evaluateInternal (C:\Users\pavani\Documents\Playwright\playwright\lib\client\frameManager.js:1061:50)11    at ExecutionContext.evaluateHandle (C:\Users\pavani\Documents\Playwright\playwright\lib\client\frameManager.js:1026:21)12    at Page._retryTimedOutBoundary (C:\Users\pavani\Documents\Playwright\playwright\lib\client\page.js:1615:30)13    at Page.screenshot (C:\Users\pavani\Documents\Playwright\playwright\lib\client\page.js:1468:26)14    at processTicksAndRejections (internal/process/task_queues.js:97:5)15    at async Object.<anonymous> (C:\Users\pavani\Documents\Playwright\test.js:8:3)

Using AI Code Generation

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.screenshot({ path: `example.png` });7  await browser.close();8})();9    at Object.retryTimedOutBoundary (C:\Users\user\playwright\test.js:4:9)10    at async Object.<anonymous> (C:\Users\user\playwright\test.js:11:3)11const { chromium } = require('playwright');12const { retryTimedOutBoundary } = require('playwright/lib/helper');13(async () => {14  const browser = await chromium.launch({ headless: false });15  const context = await browser.newContext();16  const page = await context.newPage();17  await retryTimedOutBoundary(async () => {18    await page.screenshot({ path: `example.png` });19  }, 10000, 'page.screenshot');20  await browser.close();21})();

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch({headless: false});4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.waitForSelector('input[name="q"]');7  await page.click('input[name="q"]');8  await page.keyboard.type('Playwright');9  await page.keyboard.press('Enter');10  await page.waitForSelector('text=Results');11  await page.waitForSelector('text=Playwright');12  await page.evaluate(() => {13    window.playwright.internal.retryTimedOutBoundary(() => {14      throw new Error('Test');15    });16  });17  await browser.close();18})();19Your name to display (optional):20Your name to display (optional):21Your name to display (optional):

Using AI Code Generation

1const { chromium } = require('playwright');2const { retryTimedOutBoundary } = require('playwright/lib/utils/timeoutSettings');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await retryTimedOutBoundary(async () => {8  }, page._timeoutSettings.timeout(1000));9  await browser.close();10})();11module.exports = {12  use: {13    viewport: { width: 1280, height: 720 },14  },15};16{17  "scripts": {18  },19  "dependencies": {20  }21}22    at Timeout.setTimeout (/Users/.../node_modules/playwright/lib/utils/timeoutSettings.js:103:19)23    at listOnTimeout (internal/timers.js:549:17)24    at processTimers (internal/timers.js:492:7)25const { chromium } = require('playwright');26const { retryTimedOutBoundary } = require('playwright/lib/utils/timeoutSettings');27(async () => {28  const browser = await chromium.launch();

Using AI Code Generation

1const { chromium } = require('playwright');2const { retryTimedOutBoundary } = require('playwright/lib/server/browserType');3(async () => {4  const browser = await chromium.launch();5  await retryTimedOutBoundary(async () => {6    const context = await browser.newContext();7    const page = await context.newPage();8    await page.screenshot({ path: 'google.png' });9    await browser.close();10  });11})();12const { helper } = require('./helper');13const { TimeoutError } = require('../utils/errors');14const { assert } = require('../utils/utils');15const { Browser } = require('./browser');16const { BrowserContext } = require('./browserContext');17const { Events } = require('../events');18const { ConnectionTransport } = require('./transport');19const { WebSocketTransport } = require('./transport');20const { PipeTransport } = require('./transport');21const { ProgressController } = require('./progress');22const { BrowserServer } = require('./browserServer');23const { BrowserFetcher } = require('./browserFetcher');24const { BrowserType } = require('./browserType');25const { devices } = require('../deviceDescriptors');26const { Connection } = require('./connection');27const { BrowserContextChannel } = require('./browserContextChannel');28const { BrowserServerChannel } = require('./browserServerChannel');29const { BrowserTypeChannel } = require('./browserTypeChannel');30const { BrowserChannel } = require('./browserChannel');31const { BrowserContextDispatcher } = require('../dispatchers/browserContextDispatcher');32const { BrowserServerDispatcher } = require('../dispatchers/browserServerDispatcher');33const { BrowserTypeDispatcher } = require('../dispatchers/browserTypeDispatcher');34const { BrowserDispatcher } = require('../dispatchers/browserDispatcher');35const { DispatcherConnection } = require('../dispatchers/dispatcher');36const { BrowserContextOwner } = require('./browserContextOwner');37const { BrowserServerOwner } = require('./browserServerOwner');38const { BrowserTypeOwner } = require('./browserTypeOwner');39const { BrowserOwner } = require('./browserOwner');40module.exports = { helper, TimeoutError, assert, Browser, BrowserContext, Events, ConnectionTransport, WebSocketTransport, PipeTransport, ProgressController, BrowserServer, BrowserFetcher, BrowserType, devices, Connection, Browser

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:

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.
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.
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.
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.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
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.
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.
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.
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.
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.
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.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.