Best JavaScript code snippet using playwright-internal
ReactFiberScheduler.js
Source:ReactFiberScheduler.js
...492 error = clearCaughtError();493 }494 } else {495 try {496 commitPassiveHookEffects(effect);497 } catch (e) {498 didError = true;499 error = e;500 }501 }502 if (didError) {503 captureCommitPhaseError(effect, error);504 }505 }506 effect = effect.nextEffect;507 } while (effect !== null);508 isRendering = previousIsRendering;509 // Check if work was scheduled by one of the effects510 const rootExpirationTime = root.expirationTime;...
ReactFiberScheduler.new.js
Source:ReactFiberScheduler.new.js
...1465 }1466 resetCurrentDebugFiberInDEV();1467 } else {1468 try {1469 commitPassiveHookEffects(effect);1470 } catch (error) {1471 invariant(effect !== null, 'Should be working on an effect.');1472 captureCommitPhaseError(effect, error);1473 }1474 }1475 effect = effect.nextEffect;1476 }1477 if (enableSchedulerTracing) {1478 __interactionsRef.current = ((prevInteractions: any): Set<Interaction>);1479 finishPendingInteractions(root, expirationTime);1480 }1481 workPhase = prevWorkPhase;1482 flushImmediateQueue();1483 // If additional passive effects were scheduled, increment a counter. If this...
withHooks.js
Source:withHooks.js
...564 cancel,565 };566 passiveHookEffects.push(this.passiveHookEffect);567 }568 commitPassiveHookEffects() {569 if (this.passiveHookEffect === null) {570 return;571 }572 passiveHookEffects = passiveHookEffects.filter(effect => effect !== this.passiveHookEffect);573 this.passiveHookEffect = null;574 this.commitHookEffectList(UnmountPassive, NoHookEffect);575 this.commitHookEffectList(NoHookEffect, MountPassive);576 }577 commitHookEffectList(unmountTag, mountTag) {578 let lastEffect = this.updateQueue !== null ? this.updateQueue.lastEffect : null;579 if (lastEffect !== null) {580 const firstEffect = lastEffect.next;581 let effect = firstEffect;582 do {...
ReactFiberWorkLoop.js
Source:ReactFiberWorkLoop.js
...408 // å¤äºcommit é¶æ®µ409 let effect = root.current.firstEffect;410 while (effect !== null) {411 try {412 commitPassiveHookEffects(effect);413 } catch (error) {414 console.error(`commitPassiveHookEffects: ${error}`);415 }416 const nextNextEffect = effect.nextEffect;417 // Remove nextEffect pointer to assist GC418 effect.nextEffect = null;419 effect = nextNextEffect;420 }421 executionContext = prevExecutionContext;422 flushSyncCallbackQueue();423 nestedPassiveUpdateCount =424 rootWithPendingPassiveEffects === null425 ? 0426 : nestedPassiveUpdateCount + 1;...
ReactFiberCommitWork.js
Source:ReactFiberCommitWork.js
...265 setCurrentExecutionContext(CommitContext);266 let effect = root.current.firstEffect;267 while (effect) {268 try {269 commitPassiveHookEffects(effect);270 } catch(e) {271 // TODO captureCommitPhaseError272 console.warn(e);273 }274 const nextNextEffect = effect.nextEffect;275 effect.nextEffect = null;276 effect = nextNextEffect;277 }278 setCurrentExecutionContext(prevExecutionContext);279 flushSyncCallbackQueue();280 return true;281}282// commité¶æ®µç第ä¸é¡¹å·¥ä½ï¼before mutationï¼283// è°ç¨ClassComponent getSnapshotBeforeUpdateçå½å¨æé©å284// å¼æ¥è°ç¨ åä¸æ¬¡useEffectçdestroyåä¸ä¸æ¬¡çmount285// ç±äº commitHookEffectListUnmount è°ç¨åä¼é©¬ä¸è°ç¨ commitHookEffectListMountï¼286// æ以åä¸æ¬¡åä¸ä¸ªuseEffectçdestroyåä¸ä¸æ¬¡çmountæ¯ä¾æ¬¡åæ¥è°ç¨ç287export function commitBeforeMutationEffects(nextEffect) {288 if (nextEffect) {289 // TODO getSnapshotBeforeUpdateçå½å¨æé©å290 const effectTag = nextEffect.effectTag;291 if ((effectTag & Passive) !== NoEffect) {292 // ä¸ componentDidMount æ componentDidUpdate ä¸åï¼useEffectæ¯å¨DOMæ´æ°åå¼æ¥è°ç¨ç293 // æ以ä¸ä¼é»å¡é¡µé¢æ¸²æï¼è§ä¸æ294 // https://zh-hans.reactjs.org/docs/hooks-effect.html#detailed-explanation295 if (!globalVariables.rootDoesHavePassiveEffects) {296 // æ è®°rootDoesHavePassiveEffects为trueï¼å¨commitRootä¸æ¸²æå®DOMåä¼ä¸ºrootWithPendingPassiveEffectsèµå¼297 globalVariables.rootDoesHavePassiveEffects = true;298 Scheduler.scheduleCallback(Scheduler.NormalPriority ,() => {299 flushPassiveEffects();300 return null;301 });302 }303 }304 nextEffect = nextEffect.nextEffect;305 }306 return nextEffect;307}308// å¤çDOMå¢å æ¥æ¹309export function commitMutationEffects(root, nextEffect) {310 while (nextEffect) {311 const effectTag = nextEffect.effectTag;312 // å¤ç Placement / Update / Deletionï¼æé¤å
¶ä»effectTagå¹²æ°313 const primaryEffectTag = effectTag & (Placement | Deletion | Update);314 let current;315 switch (primaryEffectTag) {316 case Placement:317 commitPlacement(nextEffect);318 // å»æ已使ç¨çeffectTag319 nextEffect.effectTag &= ~Placement;320 break;321 case Update:322 current = nextEffect.alternate;323 commitWork(current, nextEffect);324 break;325 case Deletion:326 commitDeletion(root, nextEffect);327 break;328 case PlacementAndUpdate:329 // Placement330 commitPlacement(nextEffect);331 nextEffect.effectTag &= ~Placement;332 // Update333 current = nextEffect.alternate;334 commitWork(current, nextEffect);335 break;336 }337 nextEffect = nextEffect.nextEffect;338 }339 return null;340}341function commitHookEffectListUnmount(tag, finishedWork) {342 const updateQueue = finishedWork.updateQueue;343 let lastEffect = updateQueue ? updateQueue.lastEffect : null;344 if (lastEffect) {345 const firstEffect = lastEffect.next;346 let effect = firstEffect;347 do {348 if ((effect.tag & tag) === tag) {349 // unmount350 const destroy = effect.destroy;351 effect.destroy = undefined;352 if (destroy) {353 destroy();354 }355 }356 effect = effect.next;357 } while (effect !== firstEffect)358 }359}360function commitHookEffectListMount(tag, finishedWork) {361 const updateQueue = finishedWork.updateQueue;362 let lastEffect = updateQueue ? updateQueue.lastEffect : null;363 if (lastEffect) {364 const firstEffect = lastEffect.next;365 let effect = firstEffect;366 do {367 if ((effect.tag & tag) === tag) {368 // mount369 const create = effect.create;370 effect.destroy = create();371 }372 effect = effect.next;373 } while (effect !== firstEffect)374 }375}376function commitPassiveHookEffects(finishedWork) {377 if ((finishedWork.effectTag & Passive) !== NoEffect) {378 switch (finishedWork.tag) {379 case FunctionComponent:380 // éåupdateQueueæ§è¡ useEffect unmountå½æ°381 commitHookEffectListUnmount(HookPassive | HookHasEffect, finishedWork);382 commitHookEffectListMount(HookPassive | HookHasEffect, finishedWork);383 break;384 default:385 break;386 }387 }...
fiberCommitWork.js
Source:fiberCommitWork.js
...247 }248 return;249 }250}251export function commitPassiveHookEffects(finishedWork) {252 if ((finishedWork.effectTag & Passive) !== NoEffect) {253 switch (finishedWork.tag) {254 case FunctionComponent:255 case ForwardRef:256 case SimpleMemoComponent: {257 commitHookEffectList(258 UnmountPassive,259 NoHookEffect,260 finishedWork,261 );262 commitHookEffectList(NoHookEffect, MountPassive, finishedWork);263 }264 default:265 break;...
record.js
Source:record.js
1/**2 * 1. ç¼è¯é¶æ®µ å° éè¿ babel å° jsx è¯æ³ 转å为 react.ReactElement(type, config, ...) å½æ° 3 * çå°é¡µé¢æ§è¡æ¶å 转为 ---> reactElement å
ç´ | vdom | 对象4 * 5 * 6 * 7 * 2. å建æ´æ°é¶æ®µ ReactDom.render() 8 * å建fiberRoot rootFiber 9 * fiberRoot.current = rootFiber10 * rootFiber.stateNode = fiberRoot11 * rootFiber.return = null12 * rootFiber.child = fiber ---- <App /> 13 * 计ç®è¿ææ¶é´ computeExpirationForFiber expirationTime14 * å建 æ´æ°å¯¹è±¡ createUpdate update 15 * update.payload = { element } || partialState || () => partialState16 * å建 æ´æ°éå enqueueUpdate UpdateQueue17 * 18 * 19 * 3. åè°é¶æ®µ scheduleWork20 * æ¾å°æ´æ°å¯¹åºç fiberRoot èç¹(setState forceUpdate ä¼ çæ¯æ¬èº«çfiberèç¹ æ以éè¦åä¸æ¥æ¾)21 * éç½®stack (å
Œ
±åset22 * 23 * 24 * 25 * 符åæ¡ä»¶ 请æ±ä»»å¡è°åº¦26 * scheduleWorkToRoot åä¸æ¥æ¾ fiberRoot 顺便修æ¹ç¶æ 触åæ´æ°çfiber è¿ææ¶é´è¥å°äºåæ´æ° 27 * requestWork(éè¿ requestAnimationFrame å postMessage 模æå®ç°)28 * å° rootFiber èç¹å å
¥è°åº¦éåä¸29 * å¤ææ¯å¦æ¯æ¹éæ´æ°30 * æ ¹æ® expirationTime å¤æè°åº¦ç±»å31 * 32 * addRootToSchedule33 * scheduleCallbackWithExpirationTime // å¼æ¥è°åº¦34 * 35 * performWork()36 * deadline !== null 37 * ? 38 * : performWorkOnRoot39 * 40 * 41 * renderRoot42 * è°ç¨ workLoopè¿è¡å¾ªç¯åå
æ´æ° éåæ´ä¸ª fiberTree å¤æèç¹ updateQueueæ¯å¦ç±å
容 å³å®æ¯å¦æ´æ°43 * æè·é误并è¿è¡å¤ç (é¢æ å ä¸å¯é¢æ) 44 * èµ°å®æµç¨åè¿è¡åå45 * 46 * wookLoop47 * performUnitOfWork 48 * beginWork49 * å¤æç»ä»¶æ´æ°æ¯å¦å¯ä»¥ä¼å50 * æ ¹æ®èç¹ç±»åååå¤ç51 * æ ¹æ® expirationTime çä¿¡æ¯å¤æèç¹æ´æ°æ¯å¦å¯ä»¥è·³è¿52 * 53 */54/**55 * container._reactRootContainer = fiberRoot56 * fiberRoor_internalRoot = fiberRoor57 * fiberRoor.current = rootFiber58 * rootFiber.child = fiber ---- <App />59 * 60 * container.current = rootFiber61 */62/**63 * expirationTime ç§ç±»64 * 65 * Sync 166 * Async 模å¼67 * æå®context68 */69/**70 * ClassComponent setState forceUpdate é对æ个èç¹ å建æ´æ°71 */72/**73 * fiber schedule 74 * 75 * scheduleWork -> addRootToScheduler (react åºç¨ä¸åå¨å¤ä¸ªåºç¨èç¹ root å¤æ¬¡è°ç¨ ReactDom.render)76 * .. -> requestWork -> sync 77 * ? performSyncWork -- without deadline --> performWork78 * : scheduleCallBackWithExprirationTime -> å¼æ¥è°åº¦è¿ç¨79 * 80 * ..å¼æ¥è°åº¦è¿ç¨ -> scheduleDeffedCallback -> add callbackList -> requestIdleCallback(èªå®ç°)81 * -> -> performAsyncWork with deadline --> performWork82 * 83 * performWork without deadline 84 * ? æ§è¡ä¸ä¸æ¥æ交æ´æ° // 85 * : performWorkOnRoot -> findHighestPriorityRoot -> 86 * 87 */88/**89 * renderRoot -> while(true){workLoop(isYieldy)} -> performUnitOfWork 90 * -> beginWork (reactEl-fiber) -> updateXXX -> reconcileChildren()91 * -> completeUnitOfWork (æ¶éeffectList)92 */93/**94 * hooks95 * 96 * beginWork(current, workInProgress, renderExpirationTime) 97 * -> updateFunctionComponent(current, workInProgress, Component, nextProps, renderExpirationTime) 98 * -> prepareToUseHooks(current, workInProgress, renderExpirationTime)99 * -> nextChildren = Component(nextProps, context);100 * -> finishHooks(Component, nextProps, nextChildren, context)101 * -> reconcileChildren(current, workInProgress,nextChildren,renderExpirationTime)102 * 103 * 104 * current.memoizedState -> firstCurrentHook 105 * fiber.memoizedState æè½½ hooké¾è¡¨106 * hook.queue.last æè½½è¿ updateé¾è¡¨ 107 * å
¨å±åé firstCurrentHook æåä¸ä¸ª 108 * currentlyRenderingFiber = å½æ°æ§è¡è¿ç¨ä¸ 对åºçå½å fiber109 * firstCurrentHook = å½æ°æ§è¡è¿ç¨ä¸ 第ä¸ä¸ª hooså½æ°çæç hook 110 * ä¸ä¸ª hookå½æ° çæä¸ä¸ª hook对象 (é¾è¡¨ç»æ)111 * hookå±æ§(queue queue.lastæåæåä¸ä¸ªæ´æ°å¯¹è±¡update memoizedStateç¨äºæ¾åçå¼ è®°å½ä¸ä¸æ¬¡çå¼)112 * dispatchAction éå
åå¨ æå± fiber ququeéå 触åæ´æ°æ¶ å¯ä»¥ ç´æ¥è®¡ç® 113 * 114 * userEffect 115 * hook.memoizedState = effect = { tag, create, destroy, inputs, next }116 * fiber.updateQueue = componentUpdateQueue = { lastEffect: 'åå¨çeffectList æåä¸ä¸ªeffect' }117 * commitHookEffectList ä¸ä¼ä½¿ç¨å° fiber.updateQueue118 * (commitBeforeMutationLifeCycles,commitPassiveHookEffects,commitLifeCycles,commitWork)119 * 120 * 121 * useRef å建ä¸ä¸ªå¯¹è±¡ { current: initialValue } æè½½hookå¯¹è±¡ä¸ hook.memoizedState = ref...
flushPassiveEffectsImpl.js
Source:flushPassiveEffectsImpl.js
1function flushPassiveEffectsImpl() {2 if (rootWithPendingPassiveEffects === null) {3 return false;4 }5 var root = rootWithPendingPassiveEffects;6 var expirationTime = pendingPassiveEffectsExpirationTime;7 rootWithPendingPassiveEffects = null;8 pendingPassiveEffectsExpirationTime = NoWork;9 (function () {10 if (!((executionContext & (RenderContext | CommitContext)) === NoContext)) {11 {12 throw ReactError(Error("Cannot flush passive effects while already rendering."));13 }14 }15 })();16 var prevExecutionContext = executionContext;17 executionContext |= CommitContext;18 var prevInteractions = pushInteractions(root); // Note: This currently assumes there are no passive effects on the root19 // fiber, because the root is not part of its own effect list. This could20 // change in the future.21 var effect = root.current.firstEffect;22 while (effect !== null) {23 {24 setCurrentFiber(effect);25 invokeGuardedCallback(null, commitPassiveHookEffects, null, effect);26 if (hasCaughtError()) {27 (function () {28 if (!(effect !== null)) {29 {30 throw ReactError(Error("Should be working on an effect."));31 }32 }33 })();34 var error = clearCaughtError();35 captureCommitPhaseError(effect, error);36 }37 resetCurrentFiber();38 }39 var nextNextEffect = effect.nextEffect; // Remove nextEffect pointer to assist GC40 effect.nextEffect = null;41 effect = nextNextEffect;42 }43 if (enableSchedulerTracing) {44 popInteractions(prevInteractions);45 finishPendingInteractions(root, expirationTime);46 }47 executionContext = prevExecutionContext;48 flushSyncCallbackQueue(); // If additional passive effects were scheduled, increment a counter. If this49 // exceeds the limit, we'll fire a warning.50 nestedPassiveUpdateCount = rootWithPendingPassiveEffects === null ? 0 : nestedPassiveUpdateCount + 1;51 return true;...
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.evaluate(() => {7 const div = document.createElement('div');8 div.textContent = 'Hello World';9 document.body.appendChild(div);10 });11 await page.internal.commitPassiveHookEffects();12 await page.screenshot({ path: `example.png` });13 await browser.close();14})();
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.commitPassiveHookEffects();7 await browser.close();8})();
Using AI Code Generation
1const { webkit } = require('playwright');2(async () => {3 const browser = await webkit.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.click('text=Get started');7 await page.click('text=Docs');8 await page.click('text=API');9 await page.click('text=BrowserContext');10 await page.click('text=New Page');11 await page.click('text=page.goto');12 await page.evaluate(() => {13 const el = document.querySelector('text=page.goto');14 el.scrollIntoView({ block: 'center' });15 });16 await page.commitPassiveHookEffects();17 await page.screenshot({ path: 'screenshot.png' });18 await browser.close();19})();20const { test, expect } = require('@playwright/test');21test('test', async ({ page }) => {22 await page.click('text=Get started');23 await page.click('text=Docs');24 await page.click('text=API');25 await page.click('text=BrowserContext');26 await page.click('text=New Page');27 await page.click('text=page.goto');28 await page.evaluate(() => {29 const el = document.querySelector('text=page.goto');30 el.scrollIntoView({ block: 'center' });31 });32 await page.commitPassiveHookEffects();33 await page.screenshot({ path: 'screenshot.png' });34 expect(true).toBe(true);35});
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.click('text=Docs');7 await page.click('text=API');8 await page.click('text=class: Page');9 await page.click('text=commitPassiveHookEffects');10 await page.click('text=Examples');11 await page.click('text=Wait for effect');12 await page.click('text=Run');13 await page.commitPassiveHookEffects();14 await page.screenshot({ path: 'commitPassiveHookEffects.png' });15 await browser.close();16})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { commitPassiveHookEffects } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('text=Get Started');8 await page.click('text=Docs');9 await page.click('text=API');10 await page.click('text=Browser');11 await page.click('text=BrowserContext');12 await page.click('text=BrowserContext.newPage');13 await page.click('text=Examples');14 await page.click('text=Logging');15 await page.click('text=Downloads');16 await page.click('text=GitHub');17 await page.click('text=Twitter');18 await page.click('text=YouTube');19 await page.click('text=Slack');20 await page.click('text=Community');21 await page.click('text=Blog');22 await page.click('text=Contact');23 await page.click('text=Support us');24 await page.click('text=Terms of Service');25 await page.click('text=Privacy Policy');26 await page.click('text=Cookie Policy');27 await page.click('text=Help us improve this page');28 await page.click('text=Cancel');29 await page.click('text=Get Started');30 await page.click('text=Docs');31 await page.click('text=API');32 await page.click('text=Browser');33 await page.click('text=BrowserContext');34 await page.click('text=BrowserContext.newPage');35 await page.click('text=Examples');36 await page.click('text=Logging');37 await page.click('text=Downloads');38 await page.click('text=GitHub');39 await page.click('text=Twitter');40 await page.click('text=YouTube');41 await page.click('text=Slack');42 await page.click('text=Community');43 await page.click('text=Blog');44 await page.click('text=Contact');45 await page.click('text=Support us');46 await page.click('text=Terms of Service');47 await page.click('text=Privacy Policy');48 await page.click('text=Cookie Policy');49 await page.click('text=Help us improve this page
Using AI Code Generation
1const pw = require('playwright');2const { chromium } = pw;3const browser = await chromium.launch();4const context = await browser.newContext();5const page = await context.newPage();6await page.screenshot({ path: 'google.png' });7await browser.close();8const pw = require('playwright');9const { chromium } = pw;10const browser = await chromium.launch();11const context = await browser.newContext();12const page = await context.newPage();13await page.screenshot({ path: 'google.png' });14await browser.close();15require('playwright');
Using AI Code Generation
1const { chromium } = require('playwright');2const { commitPassiveHookEffects } = require('playwright/lib/server/cjs/inspector/inspector');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.evaluate(() => {8 const div = document.createElement('div');9 div.id = 'test';10 document.body.appendChild(div);11 });12 await commitPassiveHookEffects(page);13 await page.screenshot({ path: 'test.png' });14 await browser.close();15})();
Using AI Code Generation
1const { InternalAPI } = require('playwright');2const { chromium } = require('playwright');3const fs = require('fs');4const path = require('path');5const { promisify } = require('util');6const writeFile = promisify(fs.writeFile);7const { test } = require('@playwright/test');8test('test', async ({ page }) => {9 await page.waitForSelector('#main > h1');10 await page.waitForSelector('#main > div.w3-example > div > ul');11 await page.waitForSelector('#main > div.w3-example > div > ol');12 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(1)');13 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(2)');14 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(3)');15 await page.waitForSelector('#main > div.w3-example > div > ol > li:nth-child(1)');16 await page.waitForSelector('#main > div.w3-example > div > ol > li:nth-child(2)');17 await page.waitForSelector('#main > div.w3-example > div > ol > li:nth-child(3)');18 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(1) > ul');19 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(1) > ul > li:nth-child(1)');20 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(1) > ul > li:nth-child(2)');21 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(1) > ul > li:nth-child(3)');22 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(2) > ul');23 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(2) > ul > li:nth-child(1)');24 await page.waitForSelector('#main > div.w3-example > div > ul > li:nth-child(2) > ul > li:nth-child(2)');25 await page.waitForSelector('#main > div.w3
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