How to use renderRootSync method in Playwright Internal

Best JavaScript code snippet using playwright-internal

App.js

Source:App.js Github

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1import React, { Component } from 'react';2import './App.css';3class App extends Component {4 constructor(props) {5 super(props);6 this.state = {7 recipes: [8 {9 id: 0,10 title: "Spaghetti",11 instructions: "Open jar of Spaghetti sauce. Bring to simmer. Boil water. Cook pasta until done. Combine pasta and sauce",12 ingredients: ["pasta", "8 cups water", "1 box spaghetti"],13 img: "spaghetti.jpg"14 },15 {16 id: 1,17 title: "Milkshake",18 instructions: "Combine ice cream and milk. Blend until creamy",19 ingredients: ["2 Scoops Ice cream", "8 ounces milk"],20 img: "milkshake.jpg"21 },22 {23 id: 2,24 title: "Avocado Toast",25 instructions: "Toast bread. Slice avocado and spread on bread. Add salt, oil, and pepper to taste.",26 ingredients: ["2 slices of bread", "1 avocado", "1 tablespoon olive oil", "1 pinch of salt", "pepper"],27 img: "avocado_toast.jpg"28 }29 ],30 nextRecipeId: 3,31 }32 this.handleSave = this.handleSave.bind(this);33 }34 handleSave(recipe) {35 this.setState((prevState, props) => {36 const newRecipe = { ...recipe, id: this.state.nextRecipeId };37 return {38 nextRecipeId: prevState.nextRecipeId + 1,39 recipes: [...this.state.recipes, newRecipe],40 }41 });42 }43 // EXERCISE 1 : Form component is where user enter recipe's data. Its initial state is empty 44 // string for title, instructions, img and an empty array for ingredients45 // it has onSubmit event, onClick event, and several onChange events with associated function calls46 // onSubmit event triggers a onSave call (passed as prop from App component) and state is updated.47 // onClick event reset the form.48 // onChange event set the state to the values entered by the user as new recipe.49 // onSave passed from App component through the props is linked to this.handleSave in the App component50 // By submitting the form, onSave function call allows App component, parent of Form, to acquire the new51 // recipe values and add it to its state.recipes array. The event happens in Form component, but it 52 // is being implemented in App component. Remember data travels down the tree only, not upstream or between53 // siblings. In order for the new recipe to be listed, the new recipe values must pass to List54 // component. It cannot happen directly. So, Form "communicate" the new recipe values to App through onSave call55 // then App component passes its new state (with the new recipe) downstream as prop to List component56 // ** HOW DO YOU PASS AS PROP this.handleSave in App component to onSave in FORM COMPONENT?57 // EXERCISE 2 : this.state.recipes contains the data you do want to pass to List component.58 //in the List component you can access it through props.recipes59 // in the List component you generate a JSX element by using map method on recipes object60 render() {61 return (62 <div className="App">63 <h1>My Recipes</h1>64 <Form /> {/*Modify it here EXERCISE 1 */}65 <hr />66 <List /> {/*Modify it here EXERCISE 2 */}67 </div>68 );69 }70}71 {/*go to line 187 for EXERCISE 3 */}72function List(props) {73 //try <Recipe key={recipe.id} {...recipe} /> //spread operator instead of 74 // passing one-by-one property75 //In return statement you wrap Recipe JSX component with div class 'recipe-list'76 const recipesJSX = props.recipes.map((recipe, index) => (77 <Recipe key={recipe.id} title={recipe.title} img={recipe.img}78 instructions={recipe.instructions} id={recipe.id}79 ingredients={recipe.ingredients} />80 ));81 return (82 <div className="recipe-list">83 {recipesJSX}84 </div>85 );86}87function Recipe(props) {88 const { title, img, instructions, id } = props; // destructuring the props 89 // wrapping each ingredient with li HTML elements and returning them90 // with an implicit return inside an arrow function.91 // note that the unique key is the index, which is not optimal92 const ingredientsJSX = props.ingredients.map((ing, index) => (93 <li key={index}>{ing}</li>94 ));95 return (96 <div className="recipe-card">97 <div className="recipe-card-img">98 <img src={img} alt={title} />99 </div>100 <div className="recipe-card-content">101 <h3 className="recipe-title">{title}</h3>102 <h4>Ingredients:</h4>103 <ul>104 {ingredientsJSX}105 </ul>106 <h4>Instructions:</h4>107 <p>{instructions}</p>108 <button type="button" onClick={() => alert(`Are you sure to DELETE recipe number ${id + 1}?`)}>DELETE</button>109 </div>110 </div>111 );112}113class Form extends Component {114 115 constructor(props) {116 super(props);117 this.state = {118 title: '',119 instructions: "",120 ingredients: [''],121 img: ''122 };123 124 //this.handleChange = this.handleChange.bind(this);125 this.handleNewIngredient = this.handleNewIngredient.bind(this);126 this.handleChangeIng = this.handleChangeIng.bind(this);127 this.handleSubmit = this.handleSubmit.bind(this);128 }129 130 // handleChange(e) {131 // console.log(e.target.value);132 // this.setState({[e.target.name]: e.target.value});133 // }134 // Pay ATTENTION: arrow functions DO NOT HAVE their own "this" : no need to bind135 handleChangeTitle= (e) => {136 console.log(e.target.value);137 this.setState({title: e.target.value})138 }139 handleChangeIns = (e) => {140 console.log(e.target.value);141 this.setState({instructions: e.target.value})142 }143 handleChangeImg = (e) => {144 console.log(e.target.value);145 this.setState({img: e.target.value})146 }147 148 handleNewIngredient(e) {149 const {ingredients} = this.state;150 this.setState({ingredients: [...ingredients, '']});151 }152 153 handleChangeIng(e) {154 const index = Number(e.target.name.split('-')[1]);155 const ingredients = this.state.ingredients.map((ing, i) => (156 i === index ? e.target.value : ing157 ));158 this.setState({ingredients});159 }160 // EXERCISE 3: handleReset call must set state to its initial state as 161 // when the constructor of class Form is called (look above)162 // You should use this.setState( {.....})163 handleReset = (e) => {164 e.preventDefault();165 alert(`Are you sure you want to reset?`)166 {/*Modify it here EXERCISE 3 */}167}168 handleSubmit(e) {169 e.preventDefault();170 this.props.onSave({...this.state});171 this.setState({172 title: '',173 instructions: '',174 ingredients: [''],175 img: ''176 })177 }178 179 render() {180 const {title, instructions, img, ingredients} = this.state;181 let inputs = ingredients.map((ing, i) => (182 <div183 className="recipe-form-line"184 key={`ingredient-${i}`}185 >186 <label>{i+1}.187 <input188 type="text"189 name={`ingredient-${i}`}190 value={ing}191 size={45}192 autoComplete="off"193 placeholder=" Ingredient"194 onChange={this.handleChangeIng} />195 </label>196 </div>197 ));198 199 return (200 <div className="recipe-form-container">201 <form className='recipe-form' onSubmit={this.handleSubmit}>202 <button203 type="button"204 className="close-button"205 onClick={this.handleReset}206 >207 X208 </button>209 <div className='recipe-form-line'>210 <label htmlFor='recipe-title-input'>Title</label>211 <input212 id='recipe-title-input'213 key='title'214 name='title'215 type='text'216 value={title}217 size={42}218 autoComplete="off"219 onChange={this.handleChangeTitle}/>220 </div>221 <label222 htmlFor='recipe-instructions-input'223 style={{marginTop: '5px'}}224 >225 Instructions226 </label>227 <textarea228 key='instructions'229 id='recipe-instructions-input'230 type='Instructions'231 name='instructions'232 rows='8'233 cols='50'234 autoComplete='off'235 value={instructions}236 onChange={this.handleChangeIns}/>237 {inputs}238 <button239 type="button"240 onClick={this.handleNewIngredient}241 className="buttons"242 >243 +244 </button>245 <div className='recipe-form-line'>246 <label htmlFor='recipe-img-input'>Image Url</label>247 <input248 id='recipe-img-input'249 type='text'250 placeholder=''251 name='img'252 value={img}253 size={36}254 autoComplete='off'255 onChange={this.handleChangeImg} />256 </div>257 <button258 type="submit"259 className="buttons"260 style={{alignSelf: 'flex-end', marginRight: 0}}261 >262 SAVE263 </button>264 </form>265 </div>266 )267 }268}269export default App;270/**271 * THIS IS THE ERROR YOU SHOULD RECEIVE WHEN TRYING TO RUN THE APP AS IT IS NOW:272 * It points to line 89: cannot run map on an undefined value: what is the object273 * that map is expecting to execute on??274 * 275 * App.js:89 Uncaught TypeError: Cannot read properties of undefined (reading 'map')276 at List (App.js:89:1)277 at renderWithHooks (react-dom.development.js:14985:1)278 at mountIndeterminateComponent (react-dom.development.js:17811:1)279 at beginWork (react-dom.development.js:19049:1)280 at HTMLUnknownElement.callCallback (react-dom.development.js:3945:1)281 at Object.invokeGuardedCallbackDev (react-dom.development.js:3994:1)282 at invokeGuardedCallback (react-dom.development.js:4056:1)283 at beginWork$1 (react-dom.development.js:23964:1)284 at performUnitOfWork (react-dom.development.js:22776:1)285 at workLoopSync (react-dom.development.js:22707:1)286List @ App.js:89287renderWithHooks @ react-dom.development.js:14985288mountIndeterminateComponent @ react-dom.development.js:17811289beginWork @ react-dom.development.js:19049290callCallback @ react-dom.development.js:3945291invokeGuardedCallbackDev @ react-dom.development.js:3994292invokeGuardedCallback @ react-dom.development.js:4056293beginWork$1 @ react-dom.development.js:23964294performUnitOfWork @ react-dom.development.js:22776295workLoopSync @ react-dom.development.js:22707296renderRootSync @ react-dom.development.js:22670297performSyncWorkOnRoot @ react-dom.development.js:22293298scheduleUpdateOnFiber @ react-dom.development.js:21881299updateContainer @ react-dom.development.js:25482300(anonymous) @ react-dom.development.js:26021301unbatchedUpdates @ react-dom.development.js:22431302legacyRenderSubtreeIntoContainer @ react-dom.development.js:26020303render @ react-dom.development.js:26103304./src/index.js @ index.js:7305options.factory @ react refresh:6306__webpack_require__ @ bootstrap:24307(anonymous) @ startup:7308(anonymous) @ startup:7309react-dom.development.js:20085 The above error occurred in the <List> component:310 at List (http://localhost:3003/static/js/bundle.js:118:28)311 at div312 at App (http://localhost:3003/static/js/bundle.js:28:5)313Consider adding an error boundary to your tree to customize error handling behavior.314Visit https://reactjs.org/link/error-boundaries to learn more about error boundaries.315logCapturedError @ react-dom.development.js:20085316update.callback @ react-dom.development.js:20118317callCallback @ react-dom.development.js:12318318commitUpdateQueue @ react-dom.development.js:12339319commitLifeCycles @ react-dom.development.js:20736320commitLayoutEffects @ react-dom.development.js:23426321callCallback @ react-dom.development.js:3945322invokeGuardedCallbackDev @ react-dom.development.js:3994323invokeGuardedCallback @ react-dom.development.js:4056324commitRootImpl @ react-dom.development.js:23151325unstable_runWithPriority @ scheduler.development.js:468326runWithPriority$1 @ react-dom.development.js:11276327commitRoot @ react-dom.development.js:22990328performSyncWorkOnRoot @ react-dom.development.js:22329329scheduleUpdateOnFiber @ react-dom.development.js:21881330updateContainer @ react-dom.development.js:25482331(anonymous) @ react-dom.development.js:26021332unbatchedUpdates @ react-dom.development.js:22431333legacyRenderSubtreeIntoContainer @ react-dom.development.js:26020334render @ react-dom.development.js:26103335./src/index.js @ index.js:7336options.factory @ react refresh:6337__webpack_require__ @ bootstrap:24338(anonymous) @ startup:7339(anonymous) @ startup:7340App.js:89 Uncaught TypeError: Cannot read properties of undefined (reading 'map')341 at List (App.js:89:1)342 at renderWithHooks (react-dom.development.js:14985:1)343 at mountIndeterminateComponent (react-dom.development.js:17811:1)344 at beginWork (react-dom.development.js:19049:1)345 at HTMLUnknownElement.callCallback (react-dom.development.js:3945:1)346 at Object.invokeGuardedCallbackDev (react-dom.development.js:3994:1)347 at invokeGuardedCallback (react-dom.development.js:4056:1)348 at beginWork$1 (react-dom.development.js:23964:1)349 at performUnitOfWork (react-dom.development.js:22776:1)350 at workLoopSync (react-dom.development.js:22707:1)351List @ App.js:89352renderWithHooks @ react-dom.development.js:14985353mountIndeterminateComponent @ react-dom.development.js:17811354beginWork @ react-dom.development.js:19049355callCallback @ react-dom.development.js:3945356invokeGuardedCallbackDev @ react-dom.development.js:3994357invokeGuardedCallback @ react-dom.development.js:4056358beginWork$1 @ react-dom.development.js:23964359performUnitOfWork @ react-dom.development.js:22776360workLoopSync @ react-dom.development.js:22707361renderRootSync @ react-dom.development.js:22670362performSyncWorkOnRoot @ react-dom.development.js:22293363scheduleUpdateOnFiber @ react-dom.development.js:21881364updateContainer @ react-dom.development.js:25482365(anonymous) @ react-dom.development.js:26021366unbatchedUpdates @ react-dom.development.js:22431367legacyRenderSubtreeIntoContainer @ react-dom.development.js:26020368render @ react-dom.development.js:26103369./src/index.js @ index.js:7370options.factory @ react refresh:6371__webpack_require__ @ bootstrap:24372(anonymous) @ startup:7373(anonymous) @ startup:7...

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index.js

Source:index.js Github

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...179node_modules/react-dom/cjs/react-dom.development.js:22293180 22290 | }181 22291 | } else {182 22292 | lanes = getNextLanes(root, NoLanes);183> 22293 | exitStatus = renderRootSync(root, lanes);184 | ^ 22294 | }185 22295 | 186 22296 | if (root.tag !== LegacyRoot && exitStatus === RootErrored) {187View compiled188scheduleUpdateOnFiber189node_modules/react-dom/cjs/react-dom.development.js:21881190 21878 | // root inside of batchedUpdates should be synchronous, but layout updates191 21879 | // should be deferred until the end of the batch.192 21880 | 193> 21881 | performSyncWorkOnRoot(root);194 | ^ 21882 | } else {195 21883 | ensureRootIsScheduled(root, eventTime);196 21884 | schedulePendingInteractions(root, lane);197View compiled...

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ReactFiberWorkLoop.js

Source:ReactFiberWorkLoop.js Github

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...65 // ) {66 // // There's a partial tree, and at least one of its lanes has expired. Finish67 // // rendering it before rendering the rest of the expired work.68 // lanes = workInProgressRootRenderLanes;69 exitStatus = renderRootSync(root, lanes);70 // }71 const finishedWork = root.current.alternate;72 root.finishedWork = finishedWork;73 // root.finishedLanes = lanes;74 commitRoot(root);75 // ensureRootIsScheduled(root, now());76 return null;77}78function renderRootSync(root, lanes) {79 prepareFreshStack(root, lanes);80 do {81 try {82 workLoopSync();83 break;84 } catch (thrownValue) {85 console.error("thrownValue", thrownValue);86 // handleError(root, thrownValue)87 }88 } while (true);89 if (workInProgress !== null) {90 console.error(91 "error, This is a sync render, so we should have finished the whole tree."92 );...

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FiberWorkLoop.js

Source:FiberWorkLoop.js Github

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...46) {47 performSyncWorkOnRoot(fiber.stateNode)48}49function performSyncWorkOnRoot(root) {50 renderRootSync(root)51 //AcommitRoot(root)52}53function renderRootSync(root) {54 if (workInProgressRoot !== root) {55 // Mount56 prepareFreshStack(root)57 }58 workLoopSync()59}60function workLoopSync() {61 while(workInProgress !== null) {62 performUnitOfWork(workInProgress)63 }64}65function performUnitOfWork(unitOfWork) {66 const current = workInProgress.alternate67 const next = beginWork(current, unitOfWork)...

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30 Error boundary.js

Source:30 Error boundary.js Github

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1/*2 */3//Hero.js4import React, { useEffect, useState } from "react";5export function Hero({ heroName }) {6 if (heroName === "Joker") {7 throw Error("Not a hero");8 }9 return <div>{heroName}</div>;10}11//ErrorBoundary.js12import React, { Component } from "react";13class ErrorBoundary extends Component {14 state = {15 hasError: false,16 };17 static getDerivedStateFromError() {18 return {19 hasError: true,20 };21 }22 componentDidCatch(error, errorInfo) {23 console.log(error);24 /*25 Error: Not a hero26 at Hero (Hero.js:5:1)27 at renderWithHooks (react-dom.development.js:14985:1)28 at mountIndeterminateComponent (react-dom.development.js:17811:1)29 at beginWork (react-dom.development.js:19049:1)30 at HTMLUnknownElement.callCallback (react-dom.development.js:3945:1)31 at Object.invokeGuardedCallbackDev (react-dom.development.js:3994:1)32 at invokeGuardedCallback (react-dom.development.js:4056:1)33 at beginWork$1 (react-dom.development.js:23964:1)34 at performUnitOfWork (react-dom.development.js:22776:1)35 at workLoopSync (react-dom.development.js:22707:1)36 at renderRootSync (react-dom.development.js:22670:1)37 at performSyncWorkOnRoot (react-dom.development.js:22293:1)38 at scheduleUpdateOnFiber (react-dom.development.js:21881:1)39 at updateContainer (react-dom.development.js:25482:1)40 at react-dom.development.js:26021:141 at unbatchedUpdates (react-dom.development.js:22431:1)42 at legacyRenderSubtreeIntoContainer (react-dom.development.js:26020:1)43 at Object.render (react-dom.development.js:26103:1)44 at Module.<anonymous> (index.js:7:1)45 at Module../src/index.js (index.js:18:1)46 at __webpack_require__ (bootstrap:856:1)47 at fn (bootstrap:150:1)48 at Object.1 (reportWebVitals.js:14:1)49 at __webpack_require__ (bootstrap:856:1)50 at checkDeferredModules (bootstrap:45:1)51 at Array.webpackJsonpCallback [as push] (bootstrap:32:1)52 at main.chunk.js:1:7553 */54 console.log(errorInfo);55 /*componentStack: "\n at Hero (http://localhost:3005/static/js/main.chunk.js:1348:5)\n at ErrorBoundary (http://localhost:3005/static/js/main.chunk.js:1216:5)\n at div\n at App"*/56 }57 render() {58 return (59 <>60 {this.state.hasError ? (61 <h1>Something went wrong!</h1>62 ) : (63 this.props.children64 )}65 </>66 );67 }68}...

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ErrorBoundary.js

Source:ErrorBoundary.js Github

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1import React, { Component } from "react";2class ErrorBoundary extends Component {3 state = {4 hasError: false,5 };6 static getDerivedStateFromError() {7 return {8 hasError: true,9 };10 }11 componentDidCatch(error, errorInfo) {12 console.log(error);13 /*14 Error: Not a hero15 at Hero (Hero.js:5:1)16 at renderWithHooks (react-dom.development.js:14985:1)17 at mountIndeterminateComponent (react-dom.development.js:17811:1)18 at beginWork (react-dom.development.js:19049:1)19 at HTMLUnknownElement.callCallback (react-dom.development.js:3945:1)20 at Object.invokeGuardedCallbackDev (react-dom.development.js:3994:1)21 at invokeGuardedCallback (react-dom.development.js:4056:1)22 at beginWork$1 (react-dom.development.js:23964:1)23 at performUnitOfWork (react-dom.development.js:22776:1)24 at workLoopSync (react-dom.development.js:22707:1)25 at renderRootSync (react-dom.development.js:22670:1)26 at performSyncWorkOnRoot (react-dom.development.js:22293:1)27 at scheduleUpdateOnFiber (react-dom.development.js:21881:1)28 at updateContainer (react-dom.development.js:25482:1)29 at react-dom.development.js:26021:130 at unbatchedUpdates (react-dom.development.js:22431:1)31 at legacyRenderSubtreeIntoContainer (react-dom.development.js:26020:1)32 at Object.render (react-dom.development.js:26103:1)33 at Module.<anonymous> (index.js:7:1)34 at Module../src/index.js (index.js:18:1)35 at __webpack_require__ (bootstrap:856:1)36 at fn (bootstrap:150:1)37 at Object.1 (reportWebVitals.js:14:1)38 at __webpack_require__ (bootstrap:856:1)39 at checkDeferredModules (bootstrap:45:1)40 at Array.webpackJsonpCallback [as push] (bootstrap:32:1)41 at main.chunk.js:1:7542 */43 console.log(errorInfo);44 /*componentStack: "\n at Hero (http://localhost:3005/static/js/main.chunk.js:1348:5)\n at ErrorBoundary (http://localhost:3005/static/js/main.chunk.js:1216:5)\n at div\n at App"*/45 }46 render() {47 return (48 <>49 {this.state.hasError ? (50 <h1>Something went wrong!</h1>51 ) : (52 this.props.children53 )}54 </>55 );56 }57}...

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bfsPromise.js

Source:bfsPromise.js Github

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...9 }10}11let workInProgress = null;12function performSyncWorkOnRoot(root) {13 let status = renderRootSync(root)14}15function renderRootSync(root) {16 prepareFreshStack(root)17 do {18 try {19 workLoopSync();20 break;21 } catch (error) {22 handleError(root, error)23 }24 } while (true);25 return 126}27function prepareFreshStack(root) {28 workInProgress = createProgress(root.current)29}...

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render.js

Source:render.js Github

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1// 在Fiber上同步执行2function performSyncWorkOnRoot() {3 // render 阶段4 renderRootSync()5 // commit 阶段6 commitRoot(root);7}8function renderRootSync(root) {9 do {10 try {11 workLoopSync();12 break;13 } catch (thrownValue) {14 handleError(root, thrownValue);15 }16 } while (true);17}18function workLoopSync() {19 // Already timed out, so perform work without checking if we need to yield.20 while (workInProgress !== null) {21 performUnitOfWork(workInProgress);22 }...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const html = await page.renderRootSync();6 console.log(html);7 await browser.close();8})();9I am also facing the same issue. I am using playwright 1.13.0 and I am trying to use renderRootSync() method.

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Using AI Code Generation

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1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const html = await page.renderRootSync();6 console.log(html);7 await browser.close();8})();9page.renderElement(selector[, options])10const {chromium} = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const page = await browser.newPage();14 const html = await page.renderElement('div');15 console.log(html);16 await browser.close();17})();18page.renderElementSync(selector[, options])19const {chromium} = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const page = await browser.newPage();23 const html = await page.renderElementSync('div');24 console.log(html);25 await browser.close();26})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { renderRootSync } = 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 const { html, css } = await renderRootSync(page);8 console.log(html);9 console.log(css);10})();11<!DOCTYPE html><html lang="en-US"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Google</title><style>html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline; } /* HTML5 display-role reset for older browsers */ article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; } body { line-height: 1; } ol, ul { list-style: none; } blockquote, q { quotes: none; } blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; } table { border-collapse: collapse; border-spacing: 0; } html, body { height: 100%; } body { margin: 0; padding: 0; } #logo { background

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Using AI Code Generation

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1const { chromium, webkit, firefox } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const root = await page.renderRootSync();6 await browser.close();7})();8const { chromium, webkit, firefox } = require('playwright');9(async () => {10 const browser = await chromium.launch();11 const page = await browser.newPage();12 const root = await page.renderRoot();13 await browser.close();14})();15const { chromium, webkit, firefox } = require('playwright');16(async () => {17 const browser = await chromium.launch();18 const page = await browser.newPage();19 const root = await page.renderRoot();20 await browser.close();21})();22const { chromium, webkit, firefox } = require('playwright');23(async () => {24 const browser = await chromium.launch();25 const page = await browser.newPage();26 const root = await page.renderRoot();27 await browser.close();28})();29const { chromium, webkit, firefox } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const page = await browser.newPage();33 const root = await page.renderRoot();34 await browser.close();35})();36const { chromium, webkit, firefox } = require('playwright');37(async () => {38 const browser = await chromium.launch();39 const page = await browser.newPage();40 const root = await page.renderRoot();41 await browser.close();42})();43const { chromium, webkit, firefox } = require('playwright');44(async () => {45 const browser = await chromium.launch();46 const page = await browser.newPage();47 const root = await page.renderRoot();48 await browser.close();49})();50const { chromium, webkit

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Using AI Code Generation

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1const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');2const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');3const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');4const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');5const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');6const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');7const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');8const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');9const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');10const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');11const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');12const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');13const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');14const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');

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Using AI Code Generation

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1const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');2const { Page } = require('playwright/lib/server/page');3const { chromium } = require('playwright');4const { createServer } = require('http');5const { join } = require('path');6const { readFile } = require('fs');7const { promisify } = require('util');8const readFileAsync = promisify(readFile);9const server = createServer(async (req, res) => {10 const html = await readFileAsync(join(__dirname, 'index.html'));11 res.end(html);12});13server.listen(3000);14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.click('text=Click me');19 const { html, css } = renderRootSync(page, page.frames()[1].frameElement());20 console.log(html, css);21 await browser.close();22 server.close();23})();24h1 {25 font-size: 2em;26 margin: 0.67em 0;27}28renderRootSync(page: Page, frameElement: ElementHandle): { html: string, css: string }

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Using AI Code Generation

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1const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');2const { renderToString } = require('react-dom/server');3const React = require('react');4const { MyComponent } = require('./myComponent');5const html = renderToString(<MyComponent />);6const root = renderRootSync(html);7console.log(root);8const React = require('react');9const { Button } = require('@material-ui/core');10class MyComponent extends React.Component {11 render() {12 return (13 );14 }15}16module.exports = {17};

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Using AI Code Generation

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1const { renderRootSync } = require('playwright/lib/server/supplements/recorder/recorderApp');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 html = renderRootSync(page);8 console.log(html);9 await browser.close();10})();

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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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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