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How to use basicStateReducer method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactFiberHooks.js
Source:ReactFiberHooks.js 
...10const HookDispatcherOnUpdate = {//æ´æ°æ¶çæ¹æ³11 useReducer: updateReducer,12 useState:updateState13}14function basicStateReducer(state,action){15 return typeof action === 'function'?action(state):action;16}17function updateState(initialState){18 return updateReducer(basicStateReducer,initialState);19}20function mountState(initialState){21 let hook = mountWorkInProgressHook();//è·åå½åçhook22 hook.memoizedState = initialState;//023 const queue = (hook.queue = {pending:null,24 lastRenderedReducer:basicStateReducer,25 lastRenderedState:initialState26 });27 const dispatch = dispatchAction.bind(null,currentlyRenderingFiber,queue);28 return [hook.memoizedState,dispatch];...
useState和useReducer.js
Source:useState和useReducer.js
1function App() {2 const [state, dispatch] = useReducer(reducer, {a: 1});3 const [num, updateNum] = useState(0);4 return (5 <div>6 <button onClick={() => dispatch({type: 'a'})}>{state.a}</button>7 <button onClick={() => updateNum(num => num + 1)}>{num}</button>8 </div>9 )10}11// 两个é¶æ®µï¼å£°æé¶æ®µï¼è°ç¨é¶æ®µ12// 声æé¶æ®µ13/**14 * FCè¿å
¥å°renderé¶æ®µçbeginWorkæ¶ï¼ä¼è°ç¨renderWithHooksæ¹æ³15 * 该æ¹æ³å
é¨ä¼æ§è¡FC对åºçå½æ°ï¼å³fiber.type16 */17// resolveDispatcherå½æ°ä¸»è¦æ¯ç¨æ¥å¤æmountç¶ææ¥è¿åä¸åçå¤çå½æ°ï¼dispatcherï¼ç18function useState(initalState){19 var dispatcher = resolveDispatcher();20 /**21 * åè§hook.jsä¸çuseStateå®ç°22 * 主è¦å·¥ä½æ¯çæhookï¼å°hookç»å®å°fiber.memoizedStateé¾ä¸ï¼è¿åç¶æådispatchActionå½æ°23 */24 return dispatcher.useState(initalState);25}26function useReducer(reducer, initialArg, init){27 var dispatcher = resolveDispatcher();28 return dispatcher.useReducer(reducer, initialArg, init)29}30// mountæ¶31// dispatcher.useStateä¸ä¼è°ç¨å°mountState32function mountState<S>(33 initialState: (() => S) | S,34): [S, Dispatch<BasicStateAction<S>>] {35 // å建并è¿åå½åçhook36 const hook = mountWorkInProgressHook();37 // ...èµå¼åå§state38 // å建queue39 const queue = (hook.queue = {40 pending: null,41 // ä¿ådispatchAction.bind()çå¼42 dispatch: null,43 lastRenderedReducer: basicStateReducer,44 lastRenderedState: (initialState: any),45 });46 // ...å建dispatch47 return [hook.memorizedState, dispatch];48}49function mountReducer<S, I, A>(50 reducer: (S, A) => S,51 initialArg: I,52 init?: I => S,53): [S, Dispatch<A>] {54 // å建并è¿åå½åçhook55 const hook = mountWorkInProgressHook();56 // ...èµå¼åå§state57 // å建queue58 const queue = (hook.queue = {59 pending: null,60 dispatch: null,61 // ä¸æ¬¡renderæ¶ä½¿ç¨çreducer62 lastRenderedReducer: reducer,63 // ä¸æ¬¡renderæ¶çstate64 lastRenderedState: (initialState: any),65 });66 // ...å建dispatch67 return [hook.memoizedState, dispatch]68}69// 对åºreduxä¸çreducer ââ ä¸ä¸ªè®¡ç®stateç纯å½æ°70function basicStateReducer<S>(state: S, action: BasicStateAction<S>) : S {71 return typeof action === 'function' ? action(state) : action72}73// updateæ¶ï¼useReduceråuseStateè°ç¨åä¸ä¸ªå½æ°74function updateReducer<S, I, A>(75 reducer: (S, A) => S,76 initalArg: I,77 init?: I => S,78): [S, Dispatch<A>] {79 // è·åå½åhook80 const hook = updateWorkInProgressHook();81 const queue = hook.queue;82 queue.lastRenderedReducer = reducer;83 // ...åupdateä¸updateQueue类似çæ´æ°é»è¾, å³ååºhook.queue.pendingä¸çææactionæ§è¡ä¸é84 const dispatch: Dispatch<A> = (queue.dispatch: any);85 return [hook.memoizedState, dispatch];86}87// è°ç¨é¶æ®µ88// å³ä¸ä¸ªé¶æ®µçæçdispatchï¼å两个åæ°å¨çæçæ¶å就已ç»é¢å
ä¼ å
¥äº89function dispatchAction(fiber, queue, action) {90 // ...å建update91 var update = {92 eventTime: eventTime,93 lane: lane,94 suspenseConfig: suspenseConfig,95 action: action,96 eagerReducer: null,97 eagerState: null,98 next: null99 }100 // ...å°updateå å
¥queue.pending101 var alternate = fiber.alternate;102 // currentlyRenderingFiber$1å³workInProgress, workInProgressåå¨ä»£è¡¨å½åå¤äºrenderé¶æ®µ103 if(fiber === currentlyRenderingFiber$1 || alternate !== null && alternate === currentlyRenderingFiber$1) {104 // renderé¶æ®µè§¦åçæ´æ°105 didScheduleRenderPhaseUpdateDuringThisPass = didScheduleRenderPhaseUpdate = true;106 } else {107 if(fiber.lanes === NoLanes && (alternate === null || alternate.lanes === Nolanes)) {108 // ...fiberçupdateQueue为空ï¼ä¼åè·¯å¾ //TODO109 }110 scheduleUpdateOnFiber(fiber, lane, eventTime);111 }...
useState&usereducer.js
Source:useState&usereducer.js
1//########1.声æé¶æ®µ2/***********mountæ¶************/ 3//useStateçæ§è¡æ¹æ³4function mountState<S>(5 initialState: (()=>S) | S,6) : [S, Dispatch<BasicStateAction<S>>]{7 //å建并è¿åå½åçhook8 const hook = mountWorkInProgressHook()9 //...å¤å¶åå§åstate10 //å建queue11 const queue = (hook.queue = {12 pending: null,13 dispatch: null,14 //è¿éçbasicStateReducer为useReducerçä¸ä¸ªæ¹æ³,ä¸æå¯è§15 lastRenderedReducer: basicStateReducer,16 lastRenderedState: (initialState: any),17 })18 //...å建dispatch19 return [hook.memoizedState, dispatch]20}21function mountreducer<S, I, A>(22 reducer:(S, A) => S,23 initialArg: I,24 init?: I=>S,25):[S,Dispatch<A>]{26 //å建并è¿åå½åçhook27 const hook = mountWorkInProgressHook()28 //...å¤å¶åå§state29 //å建queue30 const queu = (hook.queue = {31 //ä¿åupdate对象32 pending: null,33 //ä¿ådispatchAction.bind()çå¼34 dispatch: null,35 //ä¸ä¸æ¬¡renderæ¶ä½¿ç¨çreducer36 lastRenderedReducer: reducer,37 //ä¸ä¸æ¬¡renderæ¶çstate38 lastRenderedState: (initialState: any)39 })40 //...å建dispatch41 return [hook.memoizedState, dispatch];42}43function basicStateReducer<S>(state:S, action:BasicStateAction<S>):S{44 //è¿é对åºè¿ useStateçå½æ°å¼æ´æ°åæ®éçèµå¼æ´æ°45 return typeof action === 'function' ? action(state) : action46}47/***********updateæ¶************/ 48//æ´æ°æ¶,两è
è°ç¨çæ¯åä¸ä¸ªå½æ°updateReducer49function updateReducer<S, I, A>(50 reducer:(S, A) => S,51 initialAtg:I,52 init?: I => S,53):[S, Dispatch<A>]{54 //è·åå½åçhooks55 const hook = updateWorkInProgressHook()56 const queue = hook.queue57 queue.lastRenderedReducer = reducer58 //..åupdateä¸updateQueue类似çæ´æ°é»è¾59 const dispatch: Dispatch<A> = (queue.dispatch: any);60 return [hook.memoizedState, dispatch]61}62//########2.è°ç¨é¶æ®µ63function dispatchAction(fiber, queue, action){64 //...å建update65 const update = {66 eventTime: eventTime,67 lane:lane,68 suspenseConfig:suspenseConfig,69 action:action,70 eagerReducer:null,71 eagerState:null,72 next:null,73 }74 //...å°updateå å
¥å°queue.pending75 let alternate = fiber.alternate76 if(77 //currentlyRenderingFiberå³workInProgress 78 //workInProgressåå¨ä»£è¡¨å½åå¤äºrenderé¶æ®µã79 fiber === currentlyRenderingFiber$1 ||80 alternate !== null &&81 alternate === currentlyRenderingFiber$182 ){83 //renderé¶æ®µè§¦åçæ´æ° åä¸ä¸ªæ è®°84 didScheduleRenderPhaseUpdateDuringThisPass = 85 disScheduleRenderPhaseUpdate = true86 } else {87 //å¤æä¼å
级88 if(89 fiber.lanes === NoLanes &&90 (alternate === null || alternate.lanes === NoLanes)91 ){92 ///...fiberçupdateQueue为空,ä¼åè·¯å¾93 }94 scheduleUpdateOnFiber(fiber, lane, eventTime);95 }96}97//æ»çæµç¨æ¦æ¬å°±æ¯,å建update,å°å
¶å å
¥å°queu.pendingä¸,并å¼å¯è°åº¦98//ä¼ å
¥ç»useReducerçreducerå½æ°å
¶å®æ¯å¯åç99import { StrictMode, useReducer } from "react";100import ReactDOM from "react-dom";101const currentReducerRef = {102 current: null103};104const addReducer = (state) => state + 1;105const subReducer = (state) => state - 1;106let i = 0;107setInterval(() => {108 currentReducerRef.current = i++ % 2 ? addReducer : subReducer;109}, 1000);110function App() {111 const [state, dispatch] = useReducer(currentReducerRef.current, 0);112 return <button onClick={dispatch}>æ°åæ¯ï¼{state}</button>;113}114const rootElement = document.getElementById("root");115ReactDOM.render(116 <StrictMode>117 <App />118 </StrictMode>,119 rootElement...
hook.js
Source:hook.js
...78 baseState: 100, 79 baseQueue: null, 80 queue: {81 dispatch: Æ (),82 lastRenderedReducer: Æ basicStateReducer(state, action),83 lastRenderedState: 100,84 pending: null,85 }86 },87 queue: {88 dispatch: Æ (),89 lastRenderedReducer: Æ basicStateReducer(state, action),90 lastRenderedState: 0,91 pending: null,92 }...
ReactPartialRendererHooks.js
Source:ReactPartialRendererHooks.js
1/**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @flow8 */9import type {Dispatcher as DispatcherType} from 'react-reconciler/src/ReactInternalTypes';10import type PartialRenderer from './ReactPartialRenderer';11type BasicStateAction<S> = (S => S) | S;12type Dispatch<A> = A => void;13let currentlyRenderingComponent: Object | null = null;14let firstWorkInProgressHook: Hook | null = null;15let workInProgressHook: Hook | null = null;16// Whether the work-in-progress hook is a re-rendered hook17let isReRende: boolean = false;18// Whether an update was scheduled during the currently executing render pass.19let didScheduleRenderPhaseUpdate: boolean = false;20// Lazily created map of render-phase updates21let renderPhaseUpdates: Map<UpdateQueue<any>, Update<any>> | null = null;22// Conter to prevent infinite loops.23let numberOfReRenders: number = 0;24const RE_RENDER_LIMIT = 25;25let isInHookUserCodeInDev = false;26// In DEV, this is the name of the curretly executing primitive hook27let currentHookNameInDev: ?string;28export function prepareToUseHooks(componentIdentity: Object): void {29 currentlyRenderingComponent = componentIdentity;30 if (__DEV__) {31 isInHookUserCodeInDev = false;32 }33 // The following should have already been reset34 // didScheduleRenderPhaseUpdate = false;35 // firstWorkInProgressHook = null;36 // numberOfReRenders = 0;37 // renderPhaseUpdates = null;38 // workInProgressHook = null;39}40export function finishHooks(41 Component: any,42 props: any,43 children: any,44 refOrContext: any,45): any {46 // This must be called after every function component to prevent hooks from47 // being used in classes.48 while (didScheduleRenderPhaseUpdate) {49 // Updates were scheduled during the render phase. They are stored in50 // the `renderPhaseUpdates` map. Call the component again, reusing the51 // work-in-progress hooks and applying the additional updates on top. Keep52 // restarting until no more updates are scheduled.53 didScheduleRenderPhaseUpdate = false;54 numberOfReRenders += 1;55 // Start over from the beginning of the list56 workInProgressHook = null;57 children = Component(props, refOrContext);58 }59 resetHooksState();60 return children;61}62// Reset the internal hooks state if an error occurs while rendering a component63export function resetHooksState(): void {64 if (__DEV__) {65 isInHookUserCodeInDev = false;66 }67 currentlyRenderingComponent = null;68 didScheduleRenderPhaseUpdate = false;69 firstWorkInProgressHook = null;70}71function basicStateReducer<S>(state: S, action: BasicStateAction<S>): S {72 // $FlowFixMe: Flow doesn't like mixed types73 return typeof action === 'function' ? action(state) : action;74}75export function useState<S>(76 initialState: (() => S) | S,77): [S, Dispatch<BasicStateAction<S>>] {78 if (__DEV__) {79 currentHookNameInDev = 'useState'80 }81 return useReducer(82 basicStateReducer,83 )84}85export let currentPartialRenderer: PartialRenderer = (null: any);86export function setCurrentPartialRenderer(renderer: PartialRenderer) {87 currentPartialRenderer = renderer;...
ssr-dispatcher.js
Source:ssr-dispatcher.js
...38 }39 }40 return workInProgressHook;41}42function basicStateReducer(state, action) {43 return typeof action === "function" ? action(state) : action;44}45function useReducer(reducer, initialState, initialAction) {46 resolveCurrentlyRenderingFiber();47 workInProgressHook = createWorkInProgressHook();48 if (isReRender) {49 throw new Error("TODO");50 } else {51 if (reducer === basicStateReducer) {52 // Special case for `useState`.53 if (typeof initialState === "function") {54 initialState = initialState();55 }56 } else if (initialAction !== undefined && initialAction !== null) {...
Update.js
Source:Update.js
1// ReactFiberHooks.js2// æ以è°ç¨useState(0)è¿åçå°±æ¯HooksDispatcherOnUpdate.useState(0)ï¼ä¹å°±æ¯updateReducer(basicStateReducer, 0)3const HooksDispatcherOnUpdate: Dispatcher = {4 /** çç¥å
¶å®Hooks **/5 useState: updateState,6 }7 8 function updateState(initialState) {9 return updateReducer(basicStateReducer, initialState);10 }11 // * å¯ä»¥çå°updateReducerçè¿ç¨ä¸ä¼ çinitalStateå·²ç»æ å
³äºï¼æ以åå§å¼åªå¨ç¬¬ä¸æ¬¡è¢«ä½¿ç¨12 13 // ...14 function updateReducer(reducer, initialArg, init) {15 // * è·ååå§åæ¶ç hook16 const hook = updateWorkInProgressHook();17 const queue = hook.queue;18 19 // * å¼å§æ¸²ææ´æ°20 if (numberOfReRenders > 0) {21 const dispatch = queue.dispatch;22 if (renderPhaseUpdates !== null) {23 // * è·åHook对象ä¸ç queueï¼å
é¨åææ¬æ¬¡æ´æ°çä¸ç³»åæ°æ®24 const firstRenderPhaseUpdate = renderPhaseUpdates.get(queue);25 if (firstRenderPhaseUpdate !== undefined) {26 renderPhaseUpdates.delete(queue);27 let newState = hook.memoizedState;28 let update = firstRenderPhaseUpdate;29 // * è·åæ´æ°åçstate30 do {31 const action = update.action;32 // æ¤æ¶çreduceræ¯basicStateReducerï¼ç´æ¥è¿åactionçå¼33 newState = reducer(newState, action);34 update = update.next;35 } while (update !== null);36 37 // 对 æ´æ°hook.memoized 38 hook.memoizedState = newState;39 // * è¿åæ°ç stateï¼åæ´æ° hook ç dispatch æ¹æ³40 return [newState, dispatch];41 }42 }43 }44 45 // 对äºuseState触åçupdate actionæ¥è¯´ï¼å设useStateéé¢é½ä¼ çåéï¼ï¼basicStateReducerå°±æ¯ç´æ¥è¿åactionçå¼46 function basicStateReducer<S>(state: S, action: BasicStateAction<S>): S {47 return typeof action === 'function' ? action(state) : action;48 }...
Mount.js
Source:Mount.js
1// * ä¾å2const [state, setState] = useState(0);3// ReactFiberHooks.js4const HooksDispatcherOnMount: Dispatcher = {5 // ...6 useState: mountState,7 // ...8 };9// * >>>>>>> ReactCurrentDispatcher.current.useState(initialState)10 // * è°ç¨useState(0)è¿åçå°±æ¯ HooksDispatcherOnMount.useState(0)ï¼å³ä¸é¢ç mountState(0) æ¹æ³11function mountState<S>(12 initialState: (() => S) | S,13 ): [S, Dispatch<BasicStateAction<S>>] {14 // 访é®Hooké¾è¡¨çä¸ä¸ä¸ªèç¹ï¼è·åå°æ°çHook对象15 const hook = mountWorkInProgressHook();16 // å¦æå
¥åæ¯functionåä¼è°ç¨ï¼ä½æ¯ä¸æä¾åæ°17 if (typeof initialState === 'function') {18 initialState = initialState();19 }20 // stateçåå§å21 hook.memoizedState = hook.baseState = initialState;22 // queueçåå§å23 const queue = (hook.queue = {24 last: null,25 dispatch: null,26 eagerReducer: basicStateReducer, // useState使ç¨åºç¡reducer27 eagerState: (initialState: any),28 });29 // è¿å触åå¨dispatch30 const dispatch: Dispatch<BasicStateAction<S>,> 31 = (queue.dispatch = (dispatchAction.bind(32 null,33 //ç»å®å½åfiberç»ç¹åqueue34 ((currentlyRenderingFiber: any): Fiber),35 queue,36 ));37 // è¿ååå§stateå触åå¨38 return [hook.memoizedState, dispatch];39 }40 41 // 对äºuseState触åçupdate actionæ¥è¯´ï¼å设useStateéé¢é½ä¼ çåéï¼ï¼basicStateReducerå°±æ¯ç´æ¥è¿åactionçå¼42 function basicStateReducer<S>(state: S, action: BasicStateAction<S>): S {43 return typeof action === 'function' ? action(state) : action;44 }...
Using AI Code Generation
1const {chromium} = require('playwright');2(async() => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 window.basicStateReducer = (state, action) => {8 if (action.type === 'Page.load') {9 state.url = action.url;10 }11 return state;12 };13 });14 await page.waitForTimeout(5000);15 await browser.close();16})();17const {chromium} = require('playwright');18(async() => {19 const browser = await chromium.launch({ headless: false });20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.evaluate(() => {23 window.basicStateReducer = (state, action) => {24 if (action.type === 'Page.load') {25 state.url = action.url;26 }27 return state;28 };29 });30 await page.waitForTimeout(5000);31 await browser.close();32})();33const {chromium} = require('playwright');34(async() => {35 const browser = await chromium.launch({ headless: false });36 const context = await browser.newContext();37 const page = await context.newPage();38 await page.evaluate(() => {39 window.basicStateReducer = (state, action) => {40 if (action.type === 'Page.load') {41 state.url = action.url;42 }43 return state;44 };45 });46 await page.waitForTimeout(5000);47 await browser.close();48})();49const {chromium} = require('playwright');50(async() => {51 const browser = await chromium.launch({ headless: false });52 const context = await browser.newContext();
Using AI Code Generation
1const { chromium } = require('playwright');2const { basicStateReducer } = require('playwright-core/lib/state');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: 'example.png' });8 await browser.close();9})();10const { chromium } = require('playwright-core');11const { basicStateReducer } = require('playwright-core/lib/state');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.screenshot({ path: 'example.png' });17 await browser.close();18})();19const { chromium } = require('playwright-core');20const { basicStateReducer } = require('playwright-core/lib/state');21(async () => {22 const browser = await chromium.launch();23 const context = await browser.newContext();24 const page = await context.newPage();25 await page.screenshot({ path: 'example.png' });26 await browser.close();27})();28const { chromium } = require('playwright-core');29const { basicStateReducer } = require('playwright-core/lib/state');30(async () => {31 const browser = await chromium.launch();32 const context = await browser.newContext();33 const page = await context.newPage();34 await page.screenshot({ path: 'example.png' });35 await browser.close();36})();37const { chromium } = require('playwright-core');38const { basicStateReducer } = require('playwright-core/lib/state');39(async () => {40 const browser = await chromium.launch();41 const context = await browser.newContext();42 const page = await context.newPage();
Using AI Code Generation
1const { basicStateReducer } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');2const { basicStateReducer } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');3const state = {4};5const action = {6};7basicStateReducer(state, action);8console.log(state);9{10 {11 }12}13const { codeGeneratorReducer } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');14const state = {15};16const action = {17};18codeGeneratorReducer(state, action);19console.log(state);20{21 {22 code: 'await page.click(\'button\');'23 }24}25const { codeGeneratorReducer } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');26const state = {27};28const action = {29};30codeGeneratorReducer(state, action);31console.log(state);32{33 {
Using AI Code Generation
1const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');2const { Page } = require('playwright/lib/client/page');3const { Frame } = require('playwright/lib/client/frame');4const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');5const { Page } = require('playwright/lib/client/page');6const { Frame } = require('playwright/lib/client/frame');7const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');8const { Page } = require('playwright/lib/client/page');9const { Frame } = require('playwright/lib/client/frame');10const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');11const { Page } = require('playwright/lib/client/page');12const { Frame } = require('playwright/lib/client/frame');13const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');14const { Page } = require('playwright/lib/client/page');15const { Frame } = require('playwright/lib/client/frame');16const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');17const { Page } = require('playwright/lib/client/page');18const { Frame } = require('playwright/lib/client/frame');19const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');20const { Page } = require('playwright/lib/client/page');21const { Frame } = require('playwright/lib/client/frame');22const { basicStateReducer } = require('playwright/lib/client/supplements/recorder/recorderSupplement');23const { Page } = require('playwright/lib/client/page');24const { Frame } = require('playwright/lib/client/frame');25const {
Using AI Code Generation
1const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');2const { state } = require('playwright/lib/server/state');3const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });4console.log(stateSnapshot);5const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');6const { state } = require('playwright/lib/server/state');7const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });8console.log(stateSnapshot);9const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');10const { state } = require('playwright/lib/server/state');11const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });12console.log(stateSnapshot);13const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');14const { state } = require('playwright/lib/server/state');15const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });16console.log(stateSnapshot);17const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');18const { state } = require('playwright/lib/server/state');19const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });20console.log(stateSnapshot);21const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');22const { state } = require('playwright/lib/server/state');23const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });24console.log(stateSnapshot);25const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');26const { state } = require('playwright/lib/server/state');27const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });28console.log(stateSnapshot);29const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');30const { state } = require('playwright/lib/server/state');31const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });32console.log(stateSnapshot);33const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');34const { state } = require('playwright/lib/server/state');35const stateSnapshot = basicStateReducer(state, { type: 'snapshot' });36console.log(stateSnapshot);37const { basicStateReducer } = require('playwright/lib/server/stateSnapshot');38const { state
Using AI Code Generation
1const { basicStateReducer } = require('playwright/lib/server/frames');2const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });3console.log(state);4const { basicStateReducer } = require('playwright/lib/server/frames');5const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });6console.log(state);7const { basicStateReducer } = require('playwright/lib/server/frames');8const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });9console.log(state);10const { basicStateReducer } = require('playwright/lib/server/frames');11const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });12console.log(state);13const { basicStateReducer } = require('playwright/lib/server/frames');14const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });15console.log(state);16const { basicStateReducer } = require('playwright/lib/server/frames');17const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });18console.log(state);19const { basicStateReducer } = require('playwright/lib/server/frames');20const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });21console.log(state);22const { basicStateReducer } = require('playwright/lib/server/frames');23const state = basicStateReducer({}, { method: 'SetDocumentContent', params: { document: 'Hello World' } });24console.log(state);25const { basicStateReducer } = require('playwright/lib/server/frames');
Using AI Code Generation
1const playwright = require('playwright');2const { basicStateReducer } = require('playwright/lib/server/browserContext');3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await basicStateReducer(page, {9 viewportSize: {10 }11 });12 await page.screenshot({ path: 'example.png' });13 await browser.close();14})();15const playwright = require('playwright');16const { basicStateReducer } = require('playwright/lib/server/browserContext');17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 await basicStateReducer(context, {22 viewportSize: {23 }24 });25 const page1 = await context.newPage();26 const page2 = await context.newPage();27 await page1.screenshot({ path: 'example1.png' });28 await page2.screenshot({ path: 'example2.png' });29 await browser.close();30})();
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.
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