KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use laneToIndex method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberLane.new.js

Source:ReactFiberLane.new.js

...466}467function pickArbitraryLaneIndex(lanes: Lanes) {468  return 31 - clz32(lanes);469}470function laneToIndex(lane: Lane) {471  return pickArbitraryLaneIndex(lane);472}473export function includesSomeLane(a: Lanes | Lane, b: Lanes | Lane) {474  return (a & b) !== NoLanes;475}476export function isSubsetOfLanes(set: Lanes, subset: Lanes | Lane) {477  return (set & subset) === subset;478}479export function mergeLanes(a: Lanes | Lane, b: Lanes | Lane): Lanes {480  return a | b;481}482export function removeLanes(set: Lanes, subset: Lanes | Lane): Lanes {483  return set & ~subset;484}485export function intersectLanes(a: Lanes | Lane, b: Lanes | Lane): Lanes {486  return a & b;487}488// Seems redundant, but it changes the type from a single lane (used for489// updates) to a group of lanes (used for flushing work).490export function laneToLanes(lane: Lane): Lanes {491  return lane;492}493export function higherPriorityLane(a: Lane, b: Lane) {494  // This works because the bit ranges decrease in priority as you go left.495  return a !== NoLane && a < b ? a : b;496}497export function createLaneMap<T>(initial: T): LaneMap<T> {498  // Intentionally pushing one by one.499  // https://v8.dev/blog/elements-kinds#avoid-creating-holes500  const laneMap = [];501  for (let i = 0; i < TotalLanes; i++) {502    laneMap.push(initial);503  }504  return laneMap;505}506export function markRootUpdated(507  root: FiberRoot,508  updateLane: Lane,509  eventTime: number,510) {511  root.pendingLanes |= updateLane;512  // If there are any suspended transitions, it's possible this new update513  // could unblock them. Clear the suspended lanes so that we can try rendering514  // them again.515  //516  // TODO: We really only need to unsuspend only lanes that are in the517  // `subtreeLanes` of the updated fiber, or the update lanes of the return518  // path. This would exclude suspended updates in an unrelated sibling tree,519  // since there's no way for this update to unblock it.520  //521  // We don't do this if the incoming update is idle, because we never process522  // idle updates until after all the regular updates have finished; there's no523  // way it could unblock a transition.524  if (updateLane !== IdleLane) {525    root.suspendedLanes = NoLanes;526    root.pingedLanes = NoLanes;527  }528  const eventTimes = root.eventTimes;529  const index = laneToIndex(updateLane);530  // We can always overwrite an existing timestamp because we prefer the most531  // recent event, and we assume time is monotonically increasing.532  eventTimes[index] = eventTime;533}534export function markRootSuspended(root: FiberRoot, suspendedLanes: Lanes) {535  root.suspendedLanes |= suspendedLanes;536  root.pingedLanes &= ~suspendedLanes;537  // The suspended lanes are no longer CPU-bound. Clear their expiration times.538  const expirationTimes = root.expirationTimes;539  let lanes = suspendedLanes;540  while (lanes > 0) {541    const index = pickArbitraryLaneIndex(lanes);542    const lane = 1 << index;543    expirationTimes[index] = NoTimestamp;544    lanes &= ~lane;545  }546}547export function markRootPinged(548  root: FiberRoot,549  pingedLanes: Lanes,550  eventTime: number,551) {552  root.pingedLanes |= root.suspendedLanes & pingedLanes;553}554export function markRootMutableRead(root: FiberRoot, updateLane: Lane) {555  root.mutableReadLanes |= updateLane & root.pendingLanes;556}557export function markRootFinished(root: FiberRoot, remainingLanes: Lanes) {558  const noLongerPendingLanes = root.pendingLanes & ~remainingLanes;559  root.pendingLanes = remainingLanes;560  // Let's try everything again561  root.suspendedLanes = NoLanes;562  root.pingedLanes = NoLanes;563  root.expiredLanes &= remainingLanes;564  root.mutableReadLanes &= remainingLanes;565  root.entangledLanes &= remainingLanes;566  const entanglements = root.entanglements;567  const eventTimes = root.eventTimes;568  const expirationTimes = root.expirationTimes;569  // Clear the lanes that no longer have pending work570  let lanes = noLongerPendingLanes;571  while (lanes > 0) {572    const index = pickArbitraryLaneIndex(lanes);573    const lane = 1 << index;574    entanglements[index] = NoLanes;575    eventTimes[index] = NoTimestamp;576    expirationTimes[index] = NoTimestamp;577    lanes &= ~lane;578  }579}580export function markRootEntangled(root: FiberRoot, entangledLanes: Lanes) {581  // In addition to entangling each of the given lanes with each other, we also582  // have to consider _transitive_ entanglements. For each lane that is already583  // entangled with *any* of the given lanes, that lane is now transitively584  // entangled with *all* the given lanes.585  //586  // Translated: If C is entangled with A, then entangling A with B also587  // entangles C with B.588  //589  // If this is hard to grasp, it might help to intentionally break this590  // function and look at the tests that fail in ReactTransition-test.js. Try591  // commenting out one of the conditions below.592  const rootEntangledLanes = (root.entangledLanes |= entangledLanes);593  const entanglements = root.entanglements;594  let lanes = rootEntangledLanes;595  while (lanes) {596    const index = pickArbitraryLaneIndex(lanes);597    const lane = 1 << index;598    if (599      // Is this one of the newly entangled lanes?600      (lane & entangledLanes) |601      // Is this lane transitively entangled with the newly entangled lanes?602      (entanglements[index] & entangledLanes)603    ) {604      entanglements[index] |= entangledLanes;605    }606    lanes &= ~lane;607  }608}609export function getBumpedLaneForHydration(610  root: FiberRoot,611  renderLanes: Lanes,612): Lane {613  const renderLane = getHighestPriorityLane(renderLanes);614  let lane;615  switch (renderLane) {616    case InputContinuousLane:617      lane = InputContinuousHydrationLane;618      break;619    case DefaultLane:620      lane = DefaultHydrationLane;621      break;622    case TransitionLane1:623    case TransitionLane2:624    case TransitionLane3:625    case TransitionLane4:626    case TransitionLane5:627    case TransitionLane6:628    case TransitionLane7:629    case TransitionLane8:630    case TransitionLane9:631    case TransitionLane10:632    case TransitionLane11:633    case TransitionLane12:634    case TransitionLane13:635    case TransitionLane14:636    case TransitionLane15:637    case TransitionLane16:638    case RetryLane1:639    case RetryLane2:640    case RetryLane3:641    case RetryLane4:642    case RetryLane5:643      lane = TransitionHydrationLane;644      break;645    case IdleLane:646      lane = IdleHydrationLane;647      break;648    default:649      // Everything else is already either a hydration lane, or shouldn't650      // be retried at a hydration lane.651      lane = NoLane;652      break;653  }654  // Check if the lane we chose is suspended. If so, that indicates that we655  // already attempted and failed to hydrate at that level. Also check if we're656  // already rendering that lane, which is rare but could happen.657  if ((lane & (root.suspendedLanes | renderLanes)) !== NoLane) {658    // Give up trying to hydrate and fall back to client render.659    return NoLane;660  }661  return lane;662}663export function addFiberToLanesMap(664  root: FiberRoot,665  fiber: Fiber,666  lanes: Lanes | Lane,667) {668  if (!enableUpdaterTracking) {669    return;670  }671  if (!isDevToolsPresent) {672    return;673  }674  const pendingUpdatersLaneMap = root.pendingUpdatersLaneMap;675  while (lanes > 0) {676    const index = laneToIndex(lanes);677    const lane = 1 << index;678    const updaters = pendingUpdatersLaneMap[index];679    updaters.add(fiber);680    lanes &= ~lane;681  }682}683export function movePendingFibersToMemoized(root: FiberRoot, lanes: Lanes) {684  if (!enableUpdaterTracking) {685    return;686  }687  if (!isDevToolsPresent) {688    return;689  }690  const pendingUpdatersLaneMap = root.pendingUpdatersLaneMap;691  const memoizedUpdaters = root.memoizedUpdaters;692  while (lanes > 0) {693    const index = laneToIndex(lanes);694    const lane = 1 << index;695    const updaters = pendingUpdatersLaneMap[index];696    if (updaters.size > 0) {697      updaters.forEach(fiber => {698        const alternate = fiber.alternate;699        if (alternate === null || !memoizedUpdaters.has(alternate)) {700          memoizedUpdaters.add(fiber);701        }702      });703      updaters.clear();704    }705    lanes &= ~lane;706  }707}708export function addTransitionToLanesMap(709  root: FiberRoot,710  transition: Transition,711  lane: Lane,712) {713  if (enableTransitionTracing) {714    const transitionLanesMap = root.transitionLanes;715    const index = laneToIndex(lane);716    let transitions = transitionLanesMap[index];717    if (transitions === null) {718      transitions = [];719    }720    transitions.push(transition);721    transitionLanesMap[index] = transitions;722  }723}724export function getTransitionsForLanes(725  root: FiberRoot,726  lanes: Lane | Lanes,727): Array<Transition> | null {728  if (!enableTransitionTracing) {729    return null;730  }731  const transitionsForLanes = [];732  while (lanes > 0) {733    const index = laneToIndex(lanes);734    const lane = 1 << index;735    const transitions = root.transitionLanes[index];736    if (transitions !== null) {737      transitions.forEach(transition => {738        transitionsForLanes.push(transition);739      });740    }741    lanes &= ~lane;742  }743  if (transitionsForLanes.length === 0) {744    return null;745  }746  return transitionsForLanes;747}748export function clearTransitionsForLanes(root: FiberRoot, lanes: Lane | Lanes) {749  if (!enableTransitionTracing) {750    return;751  }752  while (lanes > 0) {753    const index = laneToIndex(lanes);754    const lane = 1 << index;755    const transitions = root.transitionLanes[index];756    if (transitions !== null) {757      root.transitionLanes[index] = null;758    }759    lanes &= ~lane;760  }...

ReactFiberLane.old.js

Source:ReactFiberLane.old.js

...466}467function pickArbitraryLaneIndex(lanes: Lanes) {468  return 31 - clz32(lanes);469}470function laneToIndex(lane: Lane) {471  return pickArbitraryLaneIndex(lane);472}473export function includesSomeLane(a: Lanes | Lane, b: Lanes | Lane) {474  return (a & b) !== NoLanes;475}476export function isSubsetOfLanes(set: Lanes, subset: Lanes | Lane) {477  return (set & subset) === subset;478}479export function mergeLanes(a: Lanes | Lane, b: Lanes | Lane): Lanes {480  return a | b;481}482export function removeLanes(set: Lanes, subset: Lanes | Lane): Lanes {483  return set & ~subset;484}485export function intersectLanes(a: Lanes | Lane, b: Lanes | Lane): Lanes {486  return a & b;487}488// Seems redundant, but it changes the type from a single lane (used for489// updates) to a group of lanes (used for flushing work).490export function laneToLanes(lane: Lane): Lanes {491  return lane;492}493export function higherPriorityLane(a: Lane, b: Lane) {494  // This works because the bit ranges decrease in priority as you go left.495  return a !== NoLane && a < b ? a : b;496}497export function createLaneMap<T>(initial: T): LaneMap<T> {498  // Intentionally pushing one by one.499  // https://v8.dev/blog/elements-kinds#avoid-creating-holes500  const laneMap = [];501  for (let i = 0; i < TotalLanes; i++) {502    laneMap.push(initial);503  }504  return laneMap;505}506export function markRootUpdated(507  root: FiberRoot,508  updateLane: Lane,509  eventTime: number,510) {511  root.pendingLanes |= updateLane;512  // If there are any suspended transitions, it's possible this new update513  // could unblock them. Clear the suspended lanes so that we can try rendering514  // them again.515  //516  // TODO: We really only need to unsuspend only lanes that are in the517  // `subtreeLanes` of the updated fiber, or the update lanes of the return518  // path. This would exclude suspended updates in an unrelated sibling tree,519  // since there's no way for this update to unblock it.520  //521  // We don't do this if the incoming update is idle, because we never process522  // idle updates until after all the regular updates have finished; there's no523  // way it could unblock a transition.524  if (updateLane !== IdleLane) {525    root.suspendedLanes = NoLanes;526    root.pingedLanes = NoLanes;527  }528  const eventTimes = root.eventTimes;529  const index = laneToIndex(updateLane);530  // We can always overwrite an existing timestamp because we prefer the most531  // recent event, and we assume time is monotonically increasing.532  eventTimes[index] = eventTime;533}534export function markRootSuspended(root: FiberRoot, suspendedLanes: Lanes) {535  root.suspendedLanes |= suspendedLanes;536  root.pingedLanes &= ~suspendedLanes;537  // The suspended lanes are no longer CPU-bound. Clear their expiration times.538  const expirationTimes = root.expirationTimes;539  let lanes = suspendedLanes;540  while (lanes > 0) {541    const index = pickArbitraryLaneIndex(lanes);542    const lane = 1 << index;543    expirationTimes[index] = NoTimestamp;544    lanes &= ~lane;545  }546}547export function markRootPinged(548  root: FiberRoot,549  pingedLanes: Lanes,550  eventTime: number,551) {552  root.pingedLanes |= root.suspendedLanes & pingedLanes;553}554export function markRootMutableRead(root: FiberRoot, updateLane: Lane) {555  root.mutableReadLanes |= updateLane & root.pendingLanes;556}557export function markRootFinished(root: FiberRoot, remainingLanes: Lanes) {558  const noLongerPendingLanes = root.pendingLanes & ~remainingLanes;559  root.pendingLanes = remainingLanes;560  // Let's try everything again561  root.suspendedLanes = NoLanes;562  root.pingedLanes = NoLanes;563  root.expiredLanes &= remainingLanes;564  root.mutableReadLanes &= remainingLanes;565  root.entangledLanes &= remainingLanes;566  const entanglements = root.entanglements;567  const eventTimes = root.eventTimes;568  const expirationTimes = root.expirationTimes;569  // Clear the lanes that no longer have pending work570  let lanes = noLongerPendingLanes;571  while (lanes > 0) {572    const index = pickArbitraryLaneIndex(lanes);573    const lane = 1 << index;574    entanglements[index] = NoLanes;575    eventTimes[index] = NoTimestamp;576    expirationTimes[index] = NoTimestamp;577    lanes &= ~lane;578  }579}580export function markRootEntangled(root: FiberRoot, entangledLanes: Lanes) {581  // In addition to entangling each of the given lanes with each other, we also582  // have to consider _transitive_ entanglements. For each lane that is already583  // entangled with *any* of the given lanes, that lane is now transitively584  // entangled with *all* the given lanes.585  //586  // Translated: If C is entangled with A, then entangling A with B also587  // entangles C with B.588  //589  // If this is hard to grasp, it might help to intentionally break this590  // function and look at the tests that fail in ReactTransition-test.js. Try591  // commenting out one of the conditions below.592  const rootEntangledLanes = (root.entangledLanes |= entangledLanes);593  const entanglements = root.entanglements;594  let lanes = rootEntangledLanes;595  while (lanes) {596    const index = pickArbitraryLaneIndex(lanes);597    const lane = 1 << index;598    if (599      // Is this one of the newly entangled lanes?600      (lane & entangledLanes) |601      // Is this lane transitively entangled with the newly entangled lanes?602      (entanglements[index] & entangledLanes)603    ) {604      entanglements[index] |= entangledLanes;605    }606    lanes &= ~lane;607  }608}609export function getBumpedLaneForHydration(610  root: FiberRoot,611  renderLanes: Lanes,612): Lane {613  const renderLane = getHighestPriorityLane(renderLanes);614  let lane;615  switch (renderLane) {616    case InputContinuousLane:617      lane = InputContinuousHydrationLane;618      break;619    case DefaultLane:620      lane = DefaultHydrationLane;621      break;622    case TransitionLane1:623    case TransitionLane2:624    case TransitionLane3:625    case TransitionLane4:626    case TransitionLane5:627    case TransitionLane6:628    case TransitionLane7:629    case TransitionLane8:630    case TransitionLane9:631    case TransitionLane10:632    case TransitionLane11:633    case TransitionLane12:634    case TransitionLane13:635    case TransitionLane14:636    case TransitionLane15:637    case TransitionLane16:638    case RetryLane1:639    case RetryLane2:640    case RetryLane3:641    case RetryLane4:642    case RetryLane5:643      lane = TransitionHydrationLane;644      break;645    case IdleLane:646      lane = IdleHydrationLane;647      break;648    default:649      // Everything else is already either a hydration lane, or shouldn't650      // be retried at a hydration lane.651      lane = NoLane;652      break;653  }654  // Check if the lane we chose is suspended. If so, that indicates that we655  // already attempted and failed to hydrate at that level. Also check if we're656  // already rendering that lane, which is rare but could happen.657  if ((lane & (root.suspendedLanes | renderLanes)) !== NoLane) {658    // Give up trying to hydrate and fall back to client render.659    return NoLane;660  }661  return lane;662}663export function addFiberToLanesMap(664  root: FiberRoot,665  fiber: Fiber,666  lanes: Lanes | Lane,667) {668  if (!enableUpdaterTracking) {669    return;670  }671  if (!isDevToolsPresent) {672    return;673  }674  const pendingUpdatersLaneMap = root.pendingUpdatersLaneMap;675  while (lanes > 0) {676    const index = laneToIndex(lanes);677    const lane = 1 << index;678    const updaters = pendingUpdatersLaneMap[index];679    updaters.add(fiber);680    lanes &= ~lane;681  }682}683export function movePendingFibersToMemoized(root: FiberRoot, lanes: Lanes) {684  if (!enableUpdaterTracking) {685    return;686  }687  if (!isDevToolsPresent) {688    return;689  }690  const pendingUpdatersLaneMap = root.pendingUpdatersLaneMap;691  const memoizedUpdaters = root.memoizedUpdaters;692  while (lanes > 0) {693    const index = laneToIndex(lanes);694    const lane = 1 << index;695    const updaters = pendingUpdatersLaneMap[index];696    if (updaters.size > 0) {697      updaters.forEach(fiber => {698        const alternate = fiber.alternate;699        if (alternate === null || !memoizedUpdaters.has(alternate)) {700          memoizedUpdaters.add(fiber);701        }702      });703      updaters.clear();704    }705    lanes &= ~lane;706  }707}708export function addTransitionToLanesMap(709  root: FiberRoot,710  transition: Transition,711  lane: Lane,712) {713  if (enableTransitionTracing) {714    const transitionLanesMap = root.transitionLanes;715    const index = laneToIndex(lane);716    let transitions = transitionLanesMap[index];717    if (transitions === null) {718      transitions = [];719    }720    transitions.push(transition);721    transitionLanesMap[index] = transitions;722  }723}724export function getTransitionsForLanes(725  root: FiberRoot,726  lanes: Lane | Lanes,727): Array<Transition> | null {728  if (!enableTransitionTracing) {729    return null;730  }731  const transitionsForLanes = [];732  while (lanes > 0) {733    const index = laneToIndex(lanes);734    const lane = 1 << index;735    const transitions = root.transitionLanes[index];736    if (transitions !== null) {737      transitions.forEach(transition => {738        transitionsForLanes.push(transition);739      });740    }741    lanes &= ~lane;742  }743  if (transitionsForLanes.length === 0) {744    return null;745  }746  return transitionsForLanes;747}748export function clearTransitionsForLanes(root: FiberRoot, lanes: Lane | Lanes) {749  if (!enableTransitionTracing) {750    return;751  }752  while (lanes > 0) {753    const index = laneToIndex(lanes);754    const lane = 1 << index;755    const transitions = root.transitionLanes[index];756    if (transitions !== null) {757      root.transitionLanes[index] = null;758    }759    lanes &= ~lane;760  }...

FiberLane.js

Source:FiberLane.js

...68  const expirationTimes = root.expirationTimes;69  // Iterate through the pending lanes and check if we've reached their expiration time. If so, we'll assume the update is being starved and mark it as expired to force it to finish.70  let lanes = root.pendingLanes;71  while (lanes > 0) {72    const index = laneToIndex(lanes);73    const lane = 1 << index; // move 1 towards left for {index} bits.74    75    const expirationTime = expirationTimes[index];76    if (expirationTime === NoTimestamp){77      // Found a pending lane with no expiration time. If it's not suspended, or78      // if it's pinged, assume it's CPU-bound. Compute a new expiration time79      // using the current time.80      if (81        (lane & suspendedLanes) === NoLanes ||82        (lane & pingedLanes) !== NoLanes 83        ){84        expirationTimes[index] = computeExpirationTime(lane, currentTime);85      }86    }87    88    lanes &= ~lane;89  }90}91export function requestUpdateLane(){92  const currentEvent = window.event;93  if (currentEvent === undefined){94    return DefaultLane;95  }96  return EventLane;97}98export function claimNextRetryLane(){99  const lane = nextRetryLane;100  nextRetryLane <<= 1;101  if((nextRetryLane & RetryLanes) === 0){102    nextRetryLane = RetryLane1;103  }104  return lane;105}106export function getHighestPriorityLane(lanes){107  return lanes & -lanes; 108}109function laneToIndex(lanes){110  return 31 - Math.clz32(lanes);111}112export function includesSomeLane(a, b){113  return (a & b) !== NoLanes;114}115export function includesNonIdleWork(lanes){116  return (lanes & NonIdleLanes) !== NoLanes;117}118export function isSubsetOfLanes(set, subset){119  return (set & subset) === subset;120}121export function mergeLanes(a, b){122  return a | b;123}124export function removeLanes(set, subset){125  return set & ~subset;126}127export function markRootUpdated(root, updateLane, eventTime){128  root.pendingLanes |= updateLane;129  130  const eventTimes = root.eventTimes;131  const index = laneToIndex(updateLane);132  eventTimes[index] = eventTime;133}134export function markRootSuspended(root, suspendedLanes){135  root.suspendedLanes |= suspendedLanes;136  root.pingedLanes &= ~suspendedLanes;137  // The suspended lanes are no longer CPU-bound. Clear the expiration times.138  const expirationTimes = root.expirationTimes;139  let lanes = suspendedLanes;140  while (lanes > 0){141    const index = laneToIndex(lanes);142    const lane = 1 << index;143    expirationTimes[index] = NoTimestamp;144    lanes &= ~lane;145  }146}147export function markRootPinged(root, pingedLanes, eventTime){148  root.pingedLanes |= root.suspendedLanes & pingedLanes;149}150export function markRootFinished(root, remainingLanes){151  const noLongerPendingLanes = root.pendingLanes & ~remainingLanes;152  root.pendingLanes = remainingLanes;153  root.suspendedLanes = 0;154  const eventTimes = root.eventTimes;155  const expirationTimes = root.expirationTimes;156  // Clear the lanes that no longer have pending work157  let lanes = noLongerPendingLanes;158  while(lanes > 0){159    const index = laneToIndex(lanes);160    const lane = 1 << index;161    eventTimes[index] = 0;162    expirationTimes[index] = NoTimestamp;163    lanes &= ~lane;164  }...

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  const elementHandle = await page.$('input[name=q]');7  await elementHandle.focus();8  await page.keyboard.type('Hello world');9  await page.keyboard.press('Enter');10  await browser.close();11})();12I would like to get the index of the lane where the element is present. I tried using the method laneToIndex() but it is not working. The element is present in the lane 1. The method laneToIndex() is not working for me. I tried using the following code to get the index of the lane where the element is present:13const laneIndex = await elementHandle.laneToIndex();14const laneIndex = await elementHandle._page._delegate.laneToIndex(elementHandle._element);15The method laneToIndex() is not working for me. I tried using the following code to get the index of the lane where the element is present:16const laneIndex = await elementHandle.laneToIndex();17The method laneToIndex() is not working for me. I tried using the following code to get the index of the lane where the element is present:18const laneIndex = await elementHandle.laneToIndex();

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  const element = await page.$('text=Get started');7  console.log(await element._page._delegate.laneToIndex(element));8  await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12  const browser = await chromium.launch();13  const context = await browser.newContext();14  const page = await context.newPage();15  const element = await page.$('text=Get started');16  console.log(await element._page._delegate.laneToIndex(element));17  await browser.close();18})();

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  const lane = await page.$('#lane');7  const laneIndex = await lane.evaluate(lane => lane._internalApi.laneToIndex());8  console.log(laneIndex);9  await browser.close();10})();

Using AI Code Generation

1const { laneToIndex } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  const frame = page.mainFrame();8  const elementHandle = await frame.$('#log-in');9  const element = await elementHandle.asElement();10  const index = laneToIndex(element._context, element._delegate);11  console.log(index);12  await browser.close();13})();

Using AI Code Generation

1const { laneToIndex } = require('@playwright/test/lib/runner/lane');2const { indexToLane } = require('@playwright/test/lib/runner/lane');3const index = laneToIndex('linux-1');4console.log('index: ', index);5const lane = indexToLane(index);6console.log('lane: ', lane);7const { laneToIndex } = require('@playwright/test/lib/runner/lane');8const { indexToLane } = require('@playwright/test/lib/runner/lane');9const index = laneToIndex('linux-1');10console.log('index: ', index);11const lane = indexToLane(index);12console.log('lane: ', lane);13const { laneToIndex } = require('@playwright/test/lib/runner/lane');14const { indexToLane } = require('@playwright/test/lib/runner/lane');15const index = laneToIndex('linux-1');16console.log('index: ', index);17const lane = indexToLane(index);18console.log('lane: ', lane);19const { laneToIndex } = require('@playwright/test/lib/runner/lane');20const { indexToLane } = require('@playwright/test/lib/runner/lane');21const index = laneToIndex('linux-1');22console.log('index: ', index);23const lane = indexToLane(index);24console.log('lane: ', lane);25const { laneToIndex } = require('@playwright/test/lib/runner/lane');26const { indexToLane } = require('@playwright/test/lib/runner/lane');27const index = laneToIndex('linux-1');28console.log('index: ', index);29const lane = indexToLane(index);30console.log('lane: ', lane);31const { laneToIndex } = require('@playwright/test/lib/runner/lane');32const { indexToLane } = require('@playwright/test/lib/runner/lane');33const index = laneToIndex('linux-1');

Using AI Code Generation

1const { Page } = require('playwright-core/lib/server/page');2const { laneToIndex } = Page.prototype;3console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'b'));4console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'd'));5const { Page } = require('playwright-core/lib/server/page');6const { laneToIndex } = Page.prototype;7console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'b'));8console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'd'));9const { Page } = require('playwright-core/lib/server/page');10const { laneToIndex } = Page.prototype;11console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'b'));12console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'd'));13const { Page } = require('playwright-core/lib/server/page');14const { laneToIndex } = Page.prototype;15console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'b'));16console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'd'));17const { Page } = require('playwright-core/lib/server/page');18const { laneToIndex } = Page.prototype;19console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'b'));20console.log(laneToIndex.call({ _pageBindings: ['a', 'b', 'c'] }, 'd'));21const { Page } = require('playwright-core/lib/server/page');22const { laneToIndex } = Page.prototype;23console.log(l

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.