Best JavaScript code snippet using playwright-internal
ReactFiberHooks.js
Source: ReactFiberHooks.js
...81// ç±äºhook对象çåå¨æ¹å¼æ¯ï¼ fiber.memoizedState: hook对象0 -(next)- hook对象1 -- hook对象282// æ¯æ¬¡è°ç¨ï¼æéé½ä¼ååï¼åªè¦hookè°ç¨é¡ºåºä¸åï¼å°±è½æ¿å°å±äºè¯¥hookçhook对象83// fiber.memoizedStateå¯è½æ¥èª2个å°æ¹ï¼84// 85function updateWorkInProgressHook() {86 let nextCurrentHook;87 if (!currentHook) {88 // è¿æ¬¡updateComponentè¿å
¥ç第ä¸ä¸ªrenderWithHooksä¼è¿å
¥è¿ä¸ªé»è¾89 let current = currentlyRenderingFiber.alternate;90 if (current) {91 nextCurrentHook = current.memoizedState;92 }93 } else {94 nextCurrentHook = currentHook.next;95 }9697 let nextWorkInProgressHook;98 if (!workInProgressHook) {99 // è¿æ¬¡updateComponentè¿å
¥ç第ä¸ä¸ªrenderWithHooksä¼è¿å
¥è¿ä¸ªé»è¾100 nextWorkInProgressHook = currentlyRenderingFiber.memoizedState;101 } else {102 // åªéå°è¿ workInProgressHook.next å¼ä¸ºnull103 // workInProgressHookåºè¯¥æ¯ä»currentå¤å¶è¿æ¥ç104 nextWorkInProgressHook = workInProgressHook.next;105 }106107 if (nextWorkInProgressHook) {108 // è¿æ²¡æè¿è¿è¿ä¸ªé»è¾109 workInProgressHook = nextWorkInProgressHook;110 nextWorkInProgressHook = nextWorkInProgressHook.next;111 currentHook = nextCurrentHook;112 } else {113 if (!nextCurrentHook) {114 console.error('æ¯ä¸ä¸æ¬¡renderè°ç¨äºæ´å¤çhook');115 }116 // ä» current hookå¤å¶æ¥117 // å³ä½¿æ¯åä¸ä¸ªFunctionComponentä¸å¤ä¸ªuseStateï¼ä¹æ¯è¿å
¥è¿ä¸ªé»è¾ï¼workInProgressHookç±currentHookå¤å¶èæ¥118 currentHook = nextCurrentHook;119120 const newHook = {121 memoizedState: currentHook.memoizedState,122 baseState: currentHook.baseState,123 baseQueue: currentHook.baseQueue,124 queue: currentHook.queue,125 next: null126 };127 if (!workInProgressHook) {128 // è¿æ¯é¾è¡¨ä¸ç¬¬ä¸ä¸ªhook129 currentlyRenderingFiber.memoizedState = workInProgressHook = newHook;130 } else {131 workInProgressHook = workInProgressHook.next = newHook;132 }133 }134 return workInProgressHook;135}136137// effect对象ä¿åå¨fiber.updateQueue.lastEffect é¾è¡¨138function pushEffect(tag, create, destroy, deps) {139 const effect = {140 tag,141 create,142 destroy,143 deps,144 // ç¯145 next: null146 };147 let componentUpdateQueue = currentlyRenderingFiber.updateQueue;148 if (!componentUpdateQueue) {149 componentUpdateQueue = createFunctionComponentUpdateQueue();150 currentlyRenderingFiber.updateQueue = componentUpdateQueue;151 componentUpdateQueue.lastEffect = effect.next = effect;152 } else {153 const firstEffect = componentUpdateQueue.lastEffect.next;154 componentUpdateQueue.lastEffect.next = effect;155 effect.next = firstEffect;156 componentUpdateQueue.lastEffect = effect;157 }158 return effect;159}160161function areHookInputsEqual(nextDeps, prevDeps) {162 if (prevDeps === null) {163 return false;164 }165 if (nextDeps.length !== prevDeps.length) {166 console.error('åådepsé¿åº¦ä¸ä¸è´');167 }168 for (let i = 0; i < prevDeps.length && i < nextDeps.length; i++) {169 if (Object.is(nextDeps[i], prevDeps[i])) {170 continue;171 }172 return false;173 }174 return true;175}176177// ä¼ ç»useStateç第äºä¸ªåæ°ï¼å¯ä»¥æ¥å å¼ æ åè°å½æ° ä½ä¸ºåæ°178function basicStateReducer(state, action) {179 return typeof action === 'function' ? action(state) : action;180}181182function mountState(initialState) {183 return mountReducer(basicStateReducer, initialState)184}185186function mountReducer(reducer, initialArg, init) {187 const hook = mountWorkInProgressHook();188 let initialState;189 if (init !== undefined) {190 initialState = init(initialArg);191 } else {192 initialState = initialArg;193 }194 hook.memoizedState = hook.baseState = initialState;195196 //queue ç¨äºå¤æ¬¡æ´æ°åä¸ä¸ªhook197 const queue = (hook.queue = {198 pending: null,199 dispatch: null,200 lastRenderedReducer: reducer,201 lastRenderedState: initialState,202 });203 const dispatch = (queue.dispatch = (dispatchAction.bind(204 null,205 currentlyRenderingFiber,206 queue,207 )));208 return [hook.memoizedState, dispatch];209}210211function updateState(initialState) {212 return updateReducer(basicStateReducer, initialState)213}214215function updateReducer(reducer) {216 let hook = updateWorkInProgressHook();217 let queue = hook.queue || {}218 queue.lastRenderedReducer = reducer;219220 let pendingQueue = queue.pending;221 let baseQueue = hook.baseQueue;222223 if (pendingQueue) {224 if (baseQueue) {225 // Merge the pending queue and the base queue.226 const baseFirst = baseQueue.next;227 const pendingFirst = pendingQueue.next;228 baseQueue.next = pendingFirst;229 pendingQueue.next = baseFirst;230 }231 hook.baseQueue = baseQueue = pendingQueue;232 queue.pending = null;233 }234235 if (baseQueue) {236 // éè¦æ´æ°state237 let first = baseQueue.next;238 let newState = hook.baseState;239 // let newBaseState;240 // let newBaseQueueFirst;241 // let newBaseQueueLast;242 let update = first;243 do {244 // TODO ä¼å
级å¤æ245 // TODO æ´æ°baseQueueçé»è¾246 const action = update.action;247 newState = reducer(newState, action);248 update = update.next;249 } while (update && update !== first)250251 hook.memoizedState = newState;252 hook.baseState = newState;253 hook.baseQueue = null;254 queue.lastRenderedState = newState;255 }256 const dispatch = queue.dispatch;257 return [hook.memoizedState, dispatch];258}259260function mountRef(initialValue) {261 const hook = mountWorkInProgressHook();262 const ref = { current: initialValue };263 hook.memoizedState = ref;264 return ref;265}266267function updateRef(initialValue) {268 const hook = updateWorkInProgressHook();269 return hook.memoizedState;270}271272273const HooksDispatcherOnUpdate = {274 useContext: readContext,275 useReducer: updateReducer,276 useState: updateState,277 useEffect(create, deps) {278 const hook = updateWorkInProgressHook();279 const nextDeps = deps === undefined ? null : deps;280 let destroy = undefined;281 if (currentHook) {282283 const prevEffect = currentHook.memoizedState;284 destroy = prevEffect.destroy;285 if (nextDeps !== null) {286 const prevDeps = prevEffect.deps;287 if (areHookInputsEqual(nextDeps, prevDeps)) {288 // depsç¸åï¼ä¸éè¦ä¸ºfiberå¢å effectTag289 pushEffect(HookPassive, create, destroy, nextDeps);290 return;291 }292 }
...
hook.js
Source: hook.js
...22 }23 workInProgressHook = hook;//è®°å½å½åå·¥ä½çhook24 return workInProgressHook;25 }26 function updateWorkInProgressHook() {//updateæ¶è°ç¨27 let curHook = workInProgressHook;28 workInProgressHook = workInProgressHook.next;//ä¸ä¸ä¸ªhook29 return curHook;30 }31 function useState(initialState) {32 let hook;33 if (isMount) {34 hook = mountWorkInProgressHook();35 hook.memoizedState = initialState;//åå§ç¶æ36 } else {37 hook = updateWorkInProgressHook();38 }39 let baseState = hook.memoizedState;//åå§ç¶æ40 if (hook.queue.pending) {41 let firstUpdate = hook.queue.pending.next;//第ä¸ä¸ªupdate42 do {43 const action = firstUpdate.action;44 baseState = action(baseState);45 firstUpdate = firstUpdate.next;//循ç¯updateé¾è¡¨46 } while (firstUpdate !== hook.queue.pending);//éè¿updateçaction计ç®state47 hook.queue.pending = null;//éç½®updateé¾è¡¨48 }49 hook.memoizedState = baseState;//èµå¼æ°çstate50 return [baseState, dispatchAction.bind(null, hook.queue)];//useStateçè¿å51 }...
hooks.js
Source: hooks.js
...10export function useLayoutEffect(create, deps){11 return updateEffectImpl(HookLayout ,create, deps)12}13export function updateEffectImpl(hookFlag, create, deps){14 const hook = updateWorkInProgressHook()15 const effect = {hookFlag, create, deps}16 // ç»ä»¶æ´æ° ä¸ ä¾èµé¡¹æ²¡æåçåå17 if( currentHook ){18 const preEffect = currentHook.memoizedState19 if(deps){20 const preDeps = preEffect.deps21 if(areHookInputsEqual(preDeps, deps)){22 return;23 }24 25 }26 27 }28 hook.memoizedState = effect;29 if(hookFlag & HookPassive){30 currentReduceringFiber.updateQueueOfEffect.push(effect);31 }else if(hookFlag & HookLayout){32 currentReduceringFiber.updateQueueOfLayout.push(effect);33 }34 // æºç æ¾å¨é¾è¡¨35}36export function useReducer(reducer, initState) {37 const hook = updateWorkInProgressHook()38 if(!currentReduceringFiber.alternate){39 hook.memoizedState = initState40 }41 const fiber = currentReduceringFiber42 const dispatch = (action) => {43 hook.memoizedState = reducer(hook.memoizedState, action)44 scheduleUpdateOnfiber(fiber)45 }46 // console.log('currentReduceringFiber', fiber)47 return [hook.memoizedState, dispatch]48}49function updateWorkInProgressHook(){50 let hook = null;51 let current = currentReduceringFiber.alternate;52 if(current){53 // æ´æ°54 currentReduceringFiber.memoizedState = current.memoizedState55 if(workInProgressHook){56 // ä¸æ¯ç¬¬0个hook57 hook = workInProgressHook = workInProgressHook.next58 currentHook = currentHook.next59 }else{60 // 第0个hook61 hook = workInProgressHook = current.memoizedState;62 currentHook = current.memoizedState63 }...
useCallback&useMemo.js
Source: useCallback&useMemo.js
...18 hook.memoizedState = [nextValue, nextDeps];19 return nextValue;20}21function updateCallback(callback, deps) {22 const hook = updateWorkInProgressHook();23 const nextDeps = deps === undefined ? null : deps;24 const prevState = hook.memoizedState;25 if (prevState !== null) {26 if (nextDeps !== null) {27 const prevDeps = prevState[1];28 // 对äºä¸¤ä¸ªä¾èµé¡¹è¿è¡æ¯è¾ï¼è¿éçå®è´¨ä¸æ¯ä¸ä¸ªæµ
æ¯è¾ãObject.is()29 if (areHookInputsEqual(nextDeps, prevDeps)) {30 return prevState[0];31 }32 }33 }34 // åupdateMemo()çå¯ä¸åºå«å°±æ¯æ¯å¦ä¼å¯¹ä¼ å
¥çå½æ°è¿è¡è°ç¨ã35 hook.memoizedState = [callback, nextDeps];36 return callback;37}38function updateMemo(nextCreate, deps) {39 const hook = updateWorkInProgressHook();40 const nextDeps = deps === undefined ? null : deps;41 const prevState = hook.memoizedState;42 if (prevState !== null) {43 if (nextDeps !== null) {44 const prevDeps = prevState[1];45 if (areHookInputsEqual(nextDeps, prevDeps)) {46 return prevState[0];47 }48 }49 }50 const nextValue = nextCreate();51 hook.memoizedState = [nextValue, nextDeps];52 return nextValue;53}
index.js
Source: index.js
...39 if (isMount) {40 hook = mounWorkInProgressHook()41 hook.memoizedState = initialState42 } else {43 hook = updateWorkInProgressHook()44 }45 let baseState = hook.memoizedState46 if (hook.queue.pending) {47 let firstUpdate = hook.queue.pending.next48 do {49 const action = firstUpdate.action50 baseState = action(baseState)51 firstUpdate = firstUpdate.next52 } while (firstUpdate !== hook.queue.pending)53 hook.queue.pending = null54 }55 hook.memoizedState = baseState56 return [baseState, dispatchAction.bind(null, hook.queue)]57 }...
react.js
Source: react.js
...7 workInProressHook = null;8}9// fiber.memeorizedState(hook0) -> next(hook1) -> next(hook2) -> next(hook3) -> next(hook4)10// workInProressHook æåçæ¯æåä¸ä¸ª hook11function updateWorkInProgressHook() {12 let hook;13 // alternate åæ¾çèç fiber14 let current = currentlyRendingFiber.alternate;15 if (current) {16 // æ´æ°é¶æ®µ17 currentlyRendingFiber.memeorizedState = current.memeorizedState;18 if (workInProressHook) {19 // ä¸æ¯ç¬¬ä¸ä¸ªäº20 workInProressHook = hook = workInProressHook.next;21 } else {22 // æ´æ°çæ¯ç¬¬ä¸ä¸ª23 workInProressHook = hook = currentlyRendingFiber.memeorizedState;24 }25 } else {26 // åå§æ¸²æ27 hook = {28 memeorizedState: null, // ç¶æå¼29 next: null, // æåä¸ä¸ä¸ª hook30 }31 if (workInProressHook) {32 // å·²åå¨æ hook äºï¼å°æ°ç hook æ¼æ¥å°æåä¸ä¸ªï¼å¹¶ä¸å° workInProressHook æåæåä¸ä¸ª33 workInProressHook = workInProressHook.next = hook;34 } else {35 workInProressHook = currentlyRendingFiber.memeorizedState = hook;36 }37 }38 return hook;39}40export function useReducer(reducer, initalState) {41 const hook = updateWorkInProgressHook();42 // å° Hook çå¯ä¸»å½æ° Fiber ç»å®å° Hook 身ä¸ï¼æ¹ä¾¿è½å¨ dispatch æ¾å°èªå·±çå¯ä¸» Fiberï¼ä»è触åæ´æ°43 hook.funcFiber = currentlyRendingFiber;44 if (!currentlyRendingFiber.alternate) {45 hook.memeorizedState = initalState;46 }47 const dispatch = () => {48 hook.memeorizedState = reducer(hook.memeorizedState);49 scheduleUpdateOnFiber(hook.funcFiber);50 }51 return [hook.memeorizedState, dispatch]...
Using AI Code Generation
1const { chromium } = require("playwright");2const { updateWorkInProgressHook } = require("playwright/internal");3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.screenshot({ path: "google.png" });8 await updateWorkInProgressHook(page, (hook) => {9 hook.emit("myCustomEvent", { myCustomData: "myCustomData" });10 });11 await browser.close();12})();13const { chromium } = require("playwright");14const { updateWorkInProgressHook } = require("playwright/internal");15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 await page.screenshot({ path: "google.png" });20 await updateWorkInProgressHook(page, (hook) => {21 hook.on("myCustomEvent", (data) => {22 console.log("myCustomEvent", data);23 });24 });25 await browser.close();26})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { updateWorkInProgressHook } = 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="Accept"');8 await page.click('input[name="q"]');9 await page.type('input[name="q"]', 'playwright');10 await page.click('text="Google Search"');11 await page.waitForTimeout(5000);12 await browser.close();13})();14const { test, expect } = require('@playwright/test');15test('test', async ({ page }) => {16 await page.click('text="Accept"');17 await page.click('input[name="q"]');18 await page.type('input[name="q"]', 'playwright');19 await page.click('text="Google Search"');20 await page.waitForTimeout(5000);21 const title = page.title();22 expect(title).toBe('playwright - Google Search');23});
Using AI Code Generation
1const { chromium } = require('playwright');2const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 await updateWorkInProgressHook(page, 'customHook', (hook) => {7 hook.params.userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36';8 });9 await page.reload();10 await browser.close();11})();12const { chromium } = require('playwright');13const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');14(async () => {15 const browser = await chromium.launch();16 const page = await browser.newPage();17 await updateWorkInProgressHook(page, 'customHook', (hook) => {18 hook.params.userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36';19 });20 await page.reload();21 await browser.close();22})();23const { chromium } = require('playwright');24const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');25(async () => {
Using AI Code Generation
1const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const [button] = await page.$$('text=Get started');8 await button.click();9 await page.waitForTimeout(1000);10 const [input] = await page.$$('input[name="email"]');11 await input.focus();12 await updateWorkInProgressHook('useInput', { value: '
Using AI Code Generation
1const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector.js');2const { chromium } = require('playwright');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 updateWorkInProgressHook(1);9 });10})();
Using AI Code Generation
1const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');2const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');3const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');4const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');5const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');6const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');7const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');8const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');9const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');10const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');11const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');12const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');13const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');14const { updateWorkInProgressHook } = require('playwright/lib/server/inspector/inspector');
Using AI Code Generation
1const { Playwright } = require('@playwright/test');2const { updateWorkInProgressHook } = Playwright.internalAPI();3const { test } = require('@playwright/test');4test('test', async ({ page }) => {5 await updateWorkInProgressHook(async (hook) => {6 hook.emit('hook-start', { title: 'My custom hook' });7 await hook.step('My custom step', async () => {8 await page.click('text=Get started');9 });10 hook.emit('hook-end', { status: 'passed' });11 });12});13module.exports = {14 use: {15 },16 {17 use: {18 },19 },20 {21 use: {22 },23 },24 {25 use: {26 },27 },28};
Using AI Code Generation
1const { updateWorkInProgressHook } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2updateWorkInProgressHook('new value');3const { updateWorkInProgressHook } = require('playwright/lib/server/supplements/recorder/recorderSupplement');4updateWorkInProgressHook('new value');5import { updateWorkInProgressHook } from 'playwright/lib/server/supplements/recorder/recorderSupplement';6updateWorkInProgressHook('new value');7const { updateWorkInProgressHook } = require('playwright/lib/server/supplements/recorder/recorderSupplement');8updateWorkInProgressHook('new value');9import { updateWorkInProgressHook } from 'playwright/lib/server/supplements/recorder/recorderSupplement';10updateWorkInProgressHook('new value');11import { updateWorkInProgressHook } from 'playwright/lib/server/supplements/recorder/recorderSupplement';12updateWorkInProgressHook('new value');13const { updateWorkInProgressHook } = require('playwright/lib/server/supplements/recorder/recorderSupplement');14updateWorkInProgressHook('new value');15import { updateWorkInProgressHook } from 'playwright/lib/server/s
Using AI Code Generation
1const { chromium } = require('playwright');2const { updateWorkInProgressHook } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 updateWorkInProgressHook(page, 'text=Get Started', 'text=Get Started Now');8 await browser.close();9})();
Jest + Playwright - Test callbacks of event-based DOM library
firefox browser does not start in playwright
Is it possible to get the selector from a locator object in playwright?
How to run a list of test suites in a single file concurrently in jest?
Running Playwright in Azure Function
firefox browser does not start in playwright
This question is quite close to a "need more focus" question. But let's try to give it some focus:
Does Playwright has access to the cPicker object on the page? Does it has access to the window object?
Yes, you can access both cPicker and the window object inside an evaluate call.
Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?
Exactly, or you can assign values to a javascript variable:
const cPicker = new ColorPicker({
onClickOutside(e){
},
onInput(color){
window['color'] = color;
},
onChange(color){
window['result'] = color;
}
})
And then
it('Should call all callbacks with correct arguments', async() => {
await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})
// Wait until the next frame
await page.evaluate(() => new Promise(requestAnimationFrame))
// Act
// Assert
const result = await page.evaluate(() => window['color']);
// Check the value
})
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