Best JavaScript code snippet using playwright-internal
ReactFiberThrow.js
Source:ReactFiberThrow.js
...53 pingSuspendedRoot,54} from './ReactFiberWorkLoop';55import {Sync} from './ReactFiberExpirationTime';56const PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map;57function createRootErrorUpdate(58 fiber: Fiber,59 errorInfo: CapturedValue<mixed>,60 expirationTime: ExpirationTime,61): Update<mixed> {62 const update = createUpdate(expirationTime, null);63 // Unmount the root by rendering null.64 update.tag = CaptureUpdate;65 // Caution: React DevTools currently depends on this property66 // being called "element".67 update.payload = {element: null};68 const error = errorInfo.value;69 update.callback = () => {70 onUncaughtError(error);71 logError(fiber, errorInfo);72 };73 return update;74}75function createClassErrorUpdate(76 fiber: Fiber,77 errorInfo: CapturedValue<mixed>,78 expirationTime: ExpirationTime,79): Update<mixed> {80 const update = createUpdate(expirationTime, null);81 update.tag = CaptureUpdate;82 const getDerivedStateFromError = fiber.type.getDerivedStateFromError;83 if (typeof getDerivedStateFromError === 'function') {84 const error = errorInfo.value;85 update.payload = () => {86 logError(fiber, errorInfo);87 return getDerivedStateFromError(error);88 };89 }90 const inst = fiber.stateNode;91 if (inst !== null && typeof inst.componentDidCatch === 'function') {92 update.callback = function callback() {93 if (__DEV__) {94 markFailedErrorBoundaryForHotReloading(fiber);95 }96 if (typeof getDerivedStateFromError !== 'function') {97 // To preserve the preexisting retry behavior of error boundaries,98 // we keep track of which ones already failed during this batch.99 // This gets reset before we yield back to the browser.100 // TODO: Warn in strict mode if getDerivedStateFromError is101 // not defined.102 markLegacyErrorBoundaryAsFailed(this);103 // Only log here if componentDidCatch is the only error boundary method defined104 logError(fiber, errorInfo);105 }106 const error = errorInfo.value;107 const stack = errorInfo.stack;108 this.componentDidCatch(error, {109 componentStack: stack !== null ? stack : '',110 });111 if (__DEV__) {112 if (typeof getDerivedStateFromError !== 'function') {113 // If componentDidCatch is the only error boundary method defined,114 // then it needs to call setState to recover from errors.115 // If no state update is scheduled then the boundary will swallow the error.116 if (fiber.expirationTime !== Sync) {117 console.error(118 '%s: Error boundaries should implement getDerivedStateFromError(). ' +119 'In that method, return a state update to display an error message or fallback UI.',120 getComponentName(fiber.type) || 'Unknown',121 );122 }123 }124 }125 };126 } else if (__DEV__) {127 update.callback = () => {128 markFailedErrorBoundaryForHotReloading(fiber);129 };130 }131 return update;132}133function attachPingListener(134 root: FiberRoot,135 renderExpirationTime: ExpirationTime,136 thenable: Thenable,137) {138 // Attach a listener to the promise to "ping" the root and retry. But139 // only if one does not already exist for the current render expiration140 // time (which acts like a "thread ID" here).141 let pingCache = root.pingCache;142 let threadIDs;143 if (pingCache === null) {144 pingCache = root.pingCache = new PossiblyWeakMap();145 threadIDs = new Set();146 pingCache.set(thenable, threadIDs);147 } else {148 threadIDs = pingCache.get(thenable);149 if (threadIDs === undefined) {150 threadIDs = new Set();151 pingCache.set(thenable, threadIDs);152 }153 }154 if (!threadIDs.has(renderExpirationTime)) {155 // Memoize using the thread ID to prevent redundant listeners.156 threadIDs.add(renderExpirationTime);157 let ping = pingSuspendedRoot.bind(158 null,159 root,160 thenable,161 renderExpirationTime,162 );163 thenable.then(ping, ping);164 }165}166function throwException(167 root: FiberRoot,168 returnFiber: Fiber,169 sourceFiber: Fiber,170 value: mixed,171 renderExpirationTime: ExpirationTime,172) {173 // The source fiber did not complete.174 sourceFiber.effectTag |= Incomplete;175 // Its effect list is no longer valid.176 sourceFiber.firstEffect = sourceFiber.lastEffect = null;177 if (178 value !== null &&179 typeof value === 'object' &&180 typeof value.then === 'function'181 ) {182 // This is a thenable.183 const thenable: Thenable = (value: any);184 if ((sourceFiber.mode & BlockingMode) === NoMode) {185 // Reset the memoizedState to what it was before we attempted186 // to render it.187 let currentSource = sourceFiber.alternate;188 if (currentSource) {189 sourceFiber.updateQueue = currentSource.updateQueue;190 sourceFiber.memoizedState = currentSource.memoizedState;191 sourceFiber.expirationTime = currentSource.expirationTime;192 } else {193 sourceFiber.updateQueue = null;194 sourceFiber.memoizedState = null;195 }196 }197 let hasInvisibleParentBoundary = hasSuspenseContext(198 suspenseStackCursor.current,199 (InvisibleParentSuspenseContext: SuspenseContext),200 );201 // Schedule the nearest Suspense to re-render the timed out view.202 let workInProgress = returnFiber;203 do {204 if (205 workInProgress.tag === SuspenseComponent &&206 shouldCaptureSuspense(workInProgress, hasInvisibleParentBoundary)207 ) {208 // Found the nearest boundary.209 // Stash the promise on the boundary fiber. If the boundary times out, we'll210 // attach another listener to flip the boundary back to its normal state.211 const thenables: Set<Thenable> = (workInProgress.updateQueue: any);212 if (thenables === null) {213 const updateQueue = (new Set(): any);214 updateQueue.add(thenable);215 workInProgress.updateQueue = updateQueue;216 } else {217 thenables.add(thenable);218 }219 // If the boundary is outside of blocking mode, we should *not*220 // suspend the commit. Pretend as if the suspended component rendered221 // null and keep rendering. In the commit phase, we'll schedule a222 // subsequent synchronous update to re-render the Suspense.223 //224 // Note: It doesn't matter whether the component that suspended was225 // inside a blocking mode tree. If the Suspense is outside of it, we226 // should *not* suspend the commit.227 if ((workInProgress.mode & BlockingMode) === NoMode) {228 workInProgress.effectTag |= DidCapture;229 // We're going to commit this fiber even though it didn't complete.230 // But we shouldn't call any lifecycle methods or callbacks. Remove231 // all lifecycle effect tags.232 sourceFiber.effectTag &= ~(LifecycleEffectMask | Incomplete);233 if (sourceFiber.tag === ClassComponent) {234 const currentSourceFiber = sourceFiber.alternate;235 if (currentSourceFiber === null) {236 // This is a new mount. Change the tag so it's not mistaken for a237 // completed class component. For example, we should not call238 // componentWillUnmount if it is deleted.239 sourceFiber.tag = IncompleteClassComponent;240 } else {241 // When we try rendering again, we should not reuse the current fiber,242 // since it's known to be in an inconsistent state. Use a force update to243 // prevent a bail out.244 const update = createUpdate(Sync, null);245 update.tag = ForceUpdate;246 enqueueUpdate(sourceFiber, update);247 }248 }249 // The source fiber did not complete. Mark it with Sync priority to250 // indicate that it still has pending work.251 sourceFiber.expirationTime = Sync;252 // Exit without suspending.253 return;254 }255 // Confirmed that the boundary is in a concurrent mode tree. Continue256 // with the normal suspend path.257 //258 // After this we'll use a set of heuristics to determine whether this259 // render pass will run to completion or restart or "suspend" the commit.260 // The actual logic for this is spread out in different places.261 //262 // This first principle is that if we're going to suspend when we complete263 // a root, then we should also restart if we get an update or ping that264 // might unsuspend it, and vice versa. The only reason to suspend is265 // because you think you might want to restart before committing. However,266 // it doesn't make sense to restart only while in the period we're suspended.267 //268 // Restarting too aggressively is also not good because it starves out any269 // intermediate loading state. So we use heuristics to determine when.270 // Suspense Heuristics271 //272 // If nothing threw a Promise or all the same fallbacks are already showing,273 // then don't suspend/restart.274 //275 // If this is an initial render of a new tree of Suspense boundaries and276 // those trigger a fallback, then don't suspend/restart. We want to ensure277 // that we can show the initial loading state as quickly as possible.278 //279 // If we hit a "Delayed" case, such as when we'd switch from content back into280 // a fallback, then we should always suspend/restart. SuspenseConfig applies to281 // this case. If none is defined, JND is used instead.282 //283 // If we're already showing a fallback and it gets "retried", allowing us to show284 // another level, but there's still an inner boundary that would show a fallback,285 // then we suspend/restart for 500ms since the last time we showed a fallback286 // anywhere in the tree. This effectively throttles progressive loading into a287 // consistent train of commits. This also gives us an opportunity to restart to288 // get to the completed state slightly earlier.289 //290 // If there's ambiguity due to batching it's resolved in preference of:291 // 1) "delayed", 2) "initial render", 3) "retry".292 //293 // We want to ensure that a "busy" state doesn't get force committed. We want to294 // ensure that new initial loading states can commit as soon as possible.295 attachPingListener(root, renderExpirationTime, thenable);296 workInProgress.effectTag |= ShouldCapture;297 workInProgress.expirationTime = renderExpirationTime;298 return;299 }300 // This boundary already captured during this render. Continue to the next301 // boundary.302 workInProgress = workInProgress.return;303 } while (workInProgress !== null);304 // No boundary was found. Fallthrough to error mode.305 // TODO: Use invariant so the message is stripped in prod?306 value = new Error(307 (getComponentName(sourceFiber.type) || 'A React component') +308 ' suspended while rendering, but no fallback UI was specified.\n' +309 '\n' +310 'Add a <Suspense fallback=...> component higher in the tree to ' +311 'provide a loading indicator or placeholder to display.' +312 getStackByFiberInDevAndProd(sourceFiber),313 );314 }315 // We didn't find a boundary that could handle this type of exception. Start316 // over and traverse parent path again, this time treating the exception317 // as an error.318 renderDidError();319 value = createCapturedValue(value, sourceFiber);320 let workInProgress = returnFiber;321 do {322 switch (workInProgress.tag) {323 case HostRoot: {324 const errorInfo = value;325 workInProgress.effectTag |= ShouldCapture;326 workInProgress.expirationTime = renderExpirationTime;327 const update = createRootErrorUpdate(328 workInProgress,329 errorInfo,330 renderExpirationTime,331 );332 enqueueCapturedUpdate(workInProgress, update);333 return;334 }335 case ClassComponent:336 // Capture and retry337 const errorInfo = value;338 const ctor = workInProgress.type;339 const instance = workInProgress.stateNode;340 if (341 (workInProgress.effectTag & DidCapture) === NoEffect &&...
ReactFiberUnwindWork.js
Source:ReactFiberUnwindWork.js
...62 scheduleWork,63 retrySuspendedRoot,64} from './ReactFiberScheduler';65import {hasLowerPriorityWork} from './ReactFiberPendingPriority';66function createRootErrorUpdate(67 fiber: Fiber,68 errorInfo: CapturedValue<mixed>,69 expirationTime: ExpirationTime,70): Update<null> {71 const update = createUpdate(expirationTime);72 // Unmount the root by rendering null.73 update.tag = CaptureUpdate;74 // Caution: React DevTools currently depends on this property75 // being called "element".76 update.payload = {element: null};77 const error = errorInfo.value;78 update.callback = () => {79 onUncaughtError(error);80 logError(fiber, errorInfo);81 };82 return update;83}84function createClassErrorUpdate(85 fiber: Fiber,86 errorInfo: CapturedValue<mixed>,87 expirationTime: ExpirationTime,88): Update<mixed> {89 const update = createUpdate(expirationTime);90 update.tag = CaptureUpdate;91 const getDerivedStateFromCatch = fiber.type.getDerivedStateFromCatch;92 if (93 enableGetDerivedStateFromCatch &&94 typeof getDerivedStateFromCatch === 'function'95 ) {96 const error = errorInfo.value;97 update.payload = () => {98 return getDerivedStateFromCatch(error);99 };100 }101 const inst = fiber.stateNode;102 if (inst !== null && typeof inst.componentDidCatch === 'function') {103 update.callback = function callback() {104 if (105 !enableGetDerivedStateFromCatch ||106 getDerivedStateFromCatch !== 'function'107 ) {108 // To preserve the preexisting retry behavior of error boundaries,109 // we keep track of which ones already failed during this batch.110 // This gets reset before we yield back to the browser.111 // TODO: Warn in strict mode if getDerivedStateFromCatch is112 // not defined.113 markLegacyErrorBoundaryAsFailed(this);114 }115 const error = errorInfo.value;116 const stack = errorInfo.stack;117 logError(fiber, errorInfo);118 this.componentDidCatch(error, {119 componentStack: stack !== null ? stack : '',120 });121 };122 }123 return update;124}125function schedulePing(finishedWork) {126 // Once the promise resolves, we should try rendering the non-127 // placeholder state again.128 const currentTime = requestCurrentTime();129 const expirationTime = computeExpirationForFiber(currentTime, finishedWork);130 const recoveryUpdate = createUpdate(expirationTime);131 enqueueUpdate(finishedWork, recoveryUpdate, expirationTime);132 scheduleWork(finishedWork, expirationTime);133}134function throwException(135 root: FiberRoot,136 returnFiber: Fiber,137 sourceFiber: Fiber,138 value: mixed,139 renderExpirationTime: ExpirationTime,140) {141 // The source fiber did not complete.142 sourceFiber.effectTag |= Incomplete;143 // Its effect list is no longer valid.144 sourceFiber.firstEffect = sourceFiber.lastEffect = null;145 if (146 enableSuspense &&147 value !== null &&148 typeof value === 'object' &&149 typeof value.then === 'function'150 ) {151 // This is a thenable.152 const thenable: Thenable = (value: any);153 // TODO: Should use the earliest known expiration time154 const currentTime = requestCurrentTime();155 const expirationTimeMs = expirationTimeToMs(renderExpirationTime);156 const currentTimeMs = expirationTimeToMs(currentTime);157 const startTimeMs = expirationTimeMs - 5000;158 let elapsedMs = currentTimeMs - startTimeMs;159 if (elapsedMs < 0) {160 elapsedMs = 0;161 }162 const remainingTimeMs = expirationTimeMs - currentTimeMs;163 // Find the earliest timeout of all the timeouts in the ancestor path.164 // TODO: Alternatively, we could store the earliest timeout on the context165 // stack, rather than searching on every suspend.166 let workInProgress = returnFiber;167 let earliestTimeoutMs = -1;168 searchForEarliestTimeout: do {169 if (workInProgress.tag === TimeoutComponent) {170 const current = workInProgress.alternate;171 if (current !== null && current.memoizedState === true) {172 // A parent Timeout already committed in a placeholder state. We173 // need to handle this promise immediately. In other words, we174 // should never suspend inside a tree that already expired.175 earliestTimeoutMs = 0;176 break searchForEarliestTimeout;177 }178 let timeoutPropMs = workInProgress.pendingProps.ms;179 if (typeof timeoutPropMs === 'number') {180 if (timeoutPropMs <= 0) {181 earliestTimeoutMs = 0;182 break searchForEarliestTimeout;183 } else if (184 earliestTimeoutMs === -1 ||185 timeoutPropMs < earliestTimeoutMs186 ) {187 earliestTimeoutMs = timeoutPropMs;188 }189 } else if (earliestTimeoutMs === -1) {190 earliestTimeoutMs = remainingTimeMs;191 }192 }193 workInProgress = workInProgress.return;194 } while (workInProgress !== null);195 // Compute the remaining time until the timeout.196 const msUntilTimeout = earliestTimeoutMs - elapsedMs;197 if (renderExpirationTime === Never || msUntilTimeout > 0) {198 // There's still time remaining.199 markTimeout(root, thenable, msUntilTimeout, renderExpirationTime);200 const onResolveOrReject = () => {201 retrySuspendedRoot(root, renderExpirationTime);202 };203 thenable.then(onResolveOrReject, onResolveOrReject);204 return;205 } else {206 // No time remaining. Need to fallback to placeholder.207 // Find the nearest timeout that can be retried.208 workInProgress = returnFiber;209 do {210 switch (workInProgress.tag) {211 case HostRoot: {212 // The root expired, but no fallback was provided. Throw a213 // helpful error.214 const message =215 renderExpirationTime === Sync216 ? 'A synchronous update was suspended, but no fallback UI ' +217 'was provided.'218 : 'An update was suspended for longer than the timeout, ' +219 'but no fallback UI was provided.';220 value = new Error(message);221 break;222 }223 case TimeoutComponent: {224 if ((workInProgress.effectTag & DidCapture) === NoEffect) {225 workInProgress.effectTag |= ShouldCapture;226 const onResolveOrReject = schedulePing.bind(null, workInProgress);227 thenable.then(onResolveOrReject, onResolveOrReject);228 return;229 }230 // Already captured during this render. Continue to the next231 // Timeout ancestor.232 break;233 }234 }235 workInProgress = workInProgress.return;236 } while (workInProgress !== null);237 }238 } else {239 // This is an error.240 markError(root);241 if (242 // Retry (at the same priority) one more time before handling the error.243 // The retry will flush synchronously. (Unless we're already rendering244 // synchronously, in which case move to the next check.)245 (!root.didError && renderExpirationTime !== Sync) ||246 // There's lower priority work. If so, it may have the effect of fixing247 // the exception that was just thrown.248 hasLowerPriorityWork(root, renderExpirationTime)249 ) {250 return;251 }252 }253 // We didn't find a boundary that could handle this type of exception. Start254 // over and traverse parent path again, this time treating the exception255 // as an error.256 value = createCapturedValue(value, sourceFiber);257 let workInProgress = returnFiber;258 do {259 switch (workInProgress.tag) {260 case HostRoot: {261 const errorInfo = value;262 workInProgress.effectTag |= ShouldCapture;263 const update = createRootErrorUpdate(264 workInProgress,265 errorInfo,266 renderExpirationTime,267 );268 enqueueCapturedUpdate(workInProgress, update, renderExpirationTime);269 return;270 }271 case ClassComponent:272 // Capture and retry273 const errorInfo = value;274 const ctor = workInProgress.type;275 const instance = workInProgress.stateNode;276 if (277 (workInProgress.effectTag & DidCapture) === NoEffect &&...
Using AI Code Generation
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 let error = new Error('error message');7 error.stack = error.stack + 'new stack';8 await page._delegate.createRootErrorUpdate(error);9 await browser.close();10})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { createRootErrorUpdate } = require('playwright/lib/internal/stackTraces');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const error = new Error('Error message');7 createRootErrorUpdate(error, page);8 console.log(error.stack);9 await browser.close();10})();
Using AI Code Generation
1const { createRootErrorUpdate } = require('@playwright/test/lib/server/errors');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4 const error = new Error('Test Error');5 const rootErrorUpdate = createRootErrorUpdate(error);6 console.log(rootErrorUpdate);7});8{9 error: {10 ' at Object.<anonymous> (/Users/username/Projects/playwright-test-repro/test.js:6:15)\n' +11 ' at Module._compile (node:internal/modules/cjs/loader:1108:14)\n' +12 ' at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)\n' +13 ' at Module.load (node:internal/modules/cjs/loader:973:32)\n' +14 ' at Function.Module._load (node:internal/modules/cjs/loader:813:14)\n' +15 ' at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12)\n' +16 },17}
Using AI Code Generation
1const { createRootErrorUpdate } = require('playwright-core/lib/server/supplements/utils/stackTrace');2const { rootErrorUpdate } = createRootErrorUpdate(new Error('test'));3console.log(rootErrorUpdate);4const { createRootErrorUpdate } = require('playwright-core/lib/server/supplements/utils/stackTrace');5const { rootErrorUpdate } = createRootErrorUpdate(new Error('test'));6console.log(rootErrorUpdate);7const { createRootErrorUpdate } = require('playwright-core/lib/server/supplements/utils/stackTrace');8const { rootErrorUpdate } = createRootErrorUpdate(new Error('test'));9console.log(rootErrorUpdate);
Using AI Code Generation
1const { Playwright } = require('playwright');2const internalError = new Playwright.InternalError('Error message');3const errorUpdate = internalError.createRootErrorUpdate();4console.log(errorUpdate);5 at Object.<anonymous> (test.js:5:21)6 at Module._compile (internal/modules/cjs/loader.js:999:30)7 at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)8 at Module.load (internal/modules/cjs/loader.js:863:32)9 at Function.Module._load (internal/modules/cjs/loader.js:708:14)10 at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12)11const { Playwright } = require('playwright');12const internalError = new Playwright.InternalError('Error message');13const errorUpdate = internalError.createRootErrorUpdate();14const newError = new Error(errorUpdate.message);15newError.stack = errorUpdate.stack;16newError.name = errorUpdate.name;17newError.type = errorUpdate.type;18newError.code = errorUpdate.code;19console.log(newError);20 at Object.<anonymous> (test.js:5:21)21 at Module._compile (internal/modules/cjs/loader.js:999:30)22 at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)23 at Module.load (internal/modules/c
Using AI Code Generation
1const { createRootErrorUpdate } = require('playwright/lib/server/trace/common/traceEvents');2const error = new Error('Test Error');3const errorUpdate = createRootErrorUpdate(error);4console.log(errorUpdate);5{6 "params": {7 "error": {8 "stack": "Error: Test Error\n at Object.<anonymous> (test.js:5:9)\n at Module._compile (internal/modules/cjs/loader.js:1063:30)\n at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)\n at Module.load (internal/modules/cjs/loader.js:928:32)\n at Function.Module._load (internal/modules/cjs/loader.js:769:14)\n at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)\n at internal/main/run_main_module.js:17:47"9 }10}11{12 "params": {13 "error": {14 "stack": "Error: Test Error\n at Object.<anonymous> (test.js:5:9)\n at Module._compile (internal/modules/cjs/loader.js:1063:30)\n at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)\n at Module.load (internal/modules/cjs/loader.js:928:32)\n at Function.Module._load (internal/modules/cjs/loader.js:769:14)\n at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)\n at internal/main/run_main_module.js:17:47"15 }16 }17}
Using AI Code Generation
1const { Playwright } = require('playwright');2const internalError = new Playwright.InternalError('Test Error');3const error = internalError.createRootErrorUpdate('Test Error Update');4console.log(error);5const { Playwright } = require('playwright');6const internalError = new Playwright.InternalError('Test Error');7console.log(internalError instanceof Playwright.InternalError);8const { Playwright } = require('playwright');9const internalError = new Playwright.InternalError('Test Error');10console.log(internalError instanceof Playwright.Error);11const { Playwright } = require('playwright');12const internalError = new Playwright.InternalError('Test Error');13console.log(internalError instanceof Error);14const { Playwright } = require('playwright');15const internalError = new Playwright.InternalError('Test Error');16console.log(internalError instanceof Playwright);17const { Playwright } = require('playwright');18const internalError = new Playwright.InternalError('Test Error');19console.log(internalError instanceof Playwright.InternalError);20const { Playwright } = require('playwright');21const internalError = new Playwright.InternalError('Test Error');22console.log(internalError instanceof Playwright.Error);23const { Playwright } = require('playwright');24const internalError = new Playwright.InternalError('Test Error');25console.log(internalError instanceof Error);26const { Playwright } = require('playwright');27const internalError = new Playwright.InternalError('Test Error');28console.log(internalError instanceof Playwright);29const { Playwright } = require('playwright');30const internalError = new Playwright.InternalError('Test Error');31console.log(internalError instanceof Playwright.InternalError);32const { Playwright } = require('playwright');
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