Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More
How to use createFiberFromElement method in Playwright Internal
Best JavaScript code snippet using playwright-internal
react-diff.js
Source:react-diff.js 
...32 }33 child = child.sibling;34 }35 // åèç¹ä¸æ²¡æç¸åèç¹çæ
åµ36 const created = createFiberFromElement(newChild, returnFiber.mode);37 created.ref = coerceRef(returnFiber, currentFirstChild, newChild);38 created.return = returnFiber;39 return created;40}41// æ°å
ç´ ä¸ºææ¬èç¹42function reconcileSingleTextNode(returnFiber, currentFirstChild, textConent) {43 if (currentFirstChild !== null && currentFirstChild.tag === HostText) {44 deleteRemainingChildren(returnFiber, currentFirstChild.sibling);45 // å¤ç¨ç¬¬ä¸ä¸ªèç¹46 const existing = useFiber(currentFirstChild, textConent);47 existing.return = returnFiber;48 return existing;49 }50 deleteRemainingChildren(returnFiber, currentFirstChild);51 const created = createFiberFromText(textConent, returnFiber.mode);52 created.return = returnFiber;53 return created;54}55function placeChild(newFiber, lastPlacedIndex, newIdx) {56 newFiber.index = newIndex;57 if (!shouldTrackSideEffects) {58 return lastPlacedIndex;59 }60 const current = newFiber.alternate; // current== null,该èç¹ä¸ºæ°å¢èç¹61 if (current !== null) {62 // current !== null 表示æ´æ°ï¼åå¨å·²æèç¹63 const oldIndex = current.index;64 if (oldIndex < lastPlacedIndex) {65 newFiber.flags = Placement;66 return lastPlacedIndex;67 } else {68 // 该项ä¾ç¶çå¨èä½ç½®69 return oldIndex;70 }71 } else {72 newFiber.flags = Placement;73 return lastPlacedIndex;74 }75}76function updateTextNode(returnFiber, current, textContent) {77 // currentèç¹ä¸æ¯å¯å¤ç¨çææ¬èç¹78 if (current === null || current.tag !== HostText) {79 // éè¿textContentå建ææ¬èç¹Fiber80 const created = createFiberFromText(textContent, returnFiber.mode);81 created.return = returnFiber;82 return created;83 } else {84 // æ¾å°å¯å¤ç¨çææ¬èç¹äºï¼åå¤ç¨85 const existing = useFiber(current, textContent); // å¤ç¨ææ¬èç¹86 existing.return = returnFiber;87 return existing;88 }89}90function updateElement(returnFiber, current, element) {91 if (current !== null) {92 if (current.elementType === element.type) {93 const existing = useFiber(current, element.props); // å¤ç¨èç¹94 existing.ref = coerceRef(returnFiber, current, element);95 existing.return = returnFiber;96 return existing;97 }98 }99 // æ°èç¹100 const created = createFiberFromElement(element, returnFiber.mode);101 created.ref = coerceRef(returnFiber, current, element);102 created.return = returnFiber;103 return created;104}105// å°ææèèç¹æ·»å å°Map对象ä¸106function mapRemainingChildren(returnFiber, currentFirstChild) {107 const existingChildren = new Map();108 let existingChild = currentFirstChild;109 while (existingChild !== null) {110 // key ä¸ä¸ºnull å
ç´ èç¹111 if (existingChild.key !== null) {112 existingChildren.set(existingChild.key, existingChild);113 } else {114 // ä¸åå¨key å使ç¨index代æ¿115 existingChildren.set(existingChild.index, existingChild);116 }117 existingChild = existingChild.sibling;118 }119 return existingChildren;120}121function updateFromMap(existingChildren, returnFiber, newIdx, newChild) {122 // æ°èç¹æ¯ææ¬èç¹123 if (typeof newChild === 'string' || typeof newChild === 'number') {124 const matchedFiber = existingChildren.get(newIdx) || null; // æ¾indexç¸åçèç¹å¤ç¨125 return updateTextNode(returnFiber, matchedFiber, '' + newChild);126 }127 // newChildæ¯å
ç´ èç¹çæ
åµ128 if (typeof newChild === 'object' && newChild !== null) {129 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {130 const matchedFiber =131 existingChildren.get(newChild.key ? newChild.key : newChild.index) ||132 null;133 // è¿åæ´æ°åçå
ç´ èç¹134 return updateElement(returnFiber, matchedFiber, newChild);135 }136 }137 return null;138}139function createChild(returnFiber, newChild) {140 // å¤çææ¬èç¹141 if (typeof newChild === 'string' || typeof newChild === 'number') {142 const created = createFiberFromText('' + newChild, returnFiber.mode);143 created.return = returnFiber;144 return created;145 }146 // å¤çå
ç´ èç¹147 if (typeof newChild === 'object' && newChild !== null) {148 if (newChild.$$typeof === REACT_ELEMENT_TYPE) {149 const created = createFiberFromElement(newChild, returnFiber.mode);150 created.ref = coerceRef(returnFiber, null, newChild);151 created.return = returnFiber;152 return created;153 }154 }155 return null;156}157function createFiberFromText(content, mode) {158 const fiber = createFiber(HostText, content, null);159 return fiber;160}161function createFiberFromElement(element, mode) {162 let owner = null;163 const type = element.type;164 const key = element.key;165 const pendingProps = element.props;166 const fiber = createFiberFromTypeAndProps(167 type,168 key,169 pendingProps,170 owner,171 mode172 );173 return fiber;174}175function coerceRef(returnFiber, current, element) {...
reconcileChildren.js
Source:reconcileChildren.js
...56 deleteChild(returnFiber, child)57 }58 child = child.sibling59 }60 const created = createFiberFromElement(element)61 created.return = returnFiber62 return created63}64function deleteChild(returnFiber, childToDelete) {65 const deletions = returnFiber.deletions66 if (deletions === null) {67 returnFiber.deletions = [childToDelete]68 returnFiber.flags |= 'Deletion'69 } else {70 deletions.push(childToDelete)71 }72}73function deleteRemainingChildren(returnFiber, currentFirstChild) {74 let childToDelete = currentFirstChild75 while(childToDelete) {76 deleteChild(returnFiber, childToDelete)77 childToDelete = childToDelete.sibling78 }79 return null80}81function createFiberFromElement(82 element83) {84 const type = element.type85 const key = element.key86 const pendingProps = element.props87 const fiber = createFiberFromElement(88 type,89 key,90 pendingProps91 )92 return fiber93}94function createFiberFromElement(95 type,96 key,97 pendingProps98) {99 let fiberTag = 'IndeterminateComponent'100 if (typeof type === 'function') {101 if (shouldConstruct(type)) {102 fiberTag = ClassComponent103 }104 } else if (typeof type === 'string') {105 fiberTag = 'HostComponent'106 } else {107 }108 let resolvedType = type...
ReactFiber.dev.js
Source:ReactFiber.dev.js
...50/**51 * æ ¹æ®èæDOMå
ç´ å建fiberèç¹52 * @param {*} element 53 */54function createFiberFromElement(element) {55 var key = element.key,56 type = element.type,57 props = element.props;58 var tag;59 if (typeof type === 'string') {60 // span div p61 tag = _ReactWorkTags.HostComponent; //æ ç¾çäºåçç»ä»¶62 }63 var fiber = createFiber(tag, props, key);64 fiber.type = type;65 return fiber;...
ReactChildFiber.js
Source:ReactChildFiber.js
2import { createFiberFromElement } from './ReactFiber';3import { Placement } from './ReactFiberFlags';4function childReconciler(shouldTrackSideEffects) {5 function reconcileSingleElement(returnFiber, currentFirstChild, element) {6 const created = createFiberFromElement(element);//div#title7 created.return = returnFiber;8 return created;9 }10 function placeSingleChild(newFiber) {11 //å¦æå½åéè¦è·è¸ªç¶ä½ç¨ï¼å¹¶ä¸å½åè¿ä¸ªæ°çfiberå®çæ¿èº«ä¸åå¨12 if (shouldTrackSideEffects && !newFiber.alternate) {13 //ç»è¿ä¸ªæ°fiberæ·»å ä¸ä¸ªå¯ä½ç¨ï¼è¡¨ç¤ºå¨æªæ¥æåé¶æ®µçDOMæä½ä¸ä¼åçå®DOMæ ä¸æ·»å æ¤èç¹14 newFiber.flags = Placement;15 }16 return newFiber;17 }18 /**19 * 20 * @param {*} returnFiber æ°çç¶fiber...
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/dom/fiber');2const { ElementHandle } = require('playwright/lib/server/dom/elementHandle');3const { JSHandle } = require('playwright/lib/server/dom/JSHandle');4const { ElementHandleDispatcher } = require('playwright/lib/server/supplements/dispatchers/elementHandleDispatcher');5const { JSHandleDispatcher } = require('playwright/lib/server/supplements/dispatchers/JSHandleDispatcher');6const { Page } = require('playwright/lib/server/page');7const { Frame } = require('playwright/lib/server/frames');8const { FrameDispatcher } = require('playwright/lib/server/supplements/dispatchers/frameDispatcher');9const { PageDispatcher } = require('playwright/lib/server/supplements/dispatchers/pageDispatcher');10const { createHandle } = require('playwright/lib/server/dom/serializers');11const { createFrameHandle } = require('playwright/lib/server/dom/serializers');12const { ElementHandleChannel } = require('playwright/lib/server/channels');13const { JSHandleChannel } = require('playwright/lib/server/channels');14const { FrameChannel } = require('playwright/lib/server/channels');15const { PageChannel } = require('playwright/lib/server/channels');16const { Connection } = require('playwright/lib/server/connection');17const { FrameManager } = require('playwright/lib/server/frameManager');18const { helper } = require('playwright/lib/helper');19const { assert } = require('playwright/lib/helper');20const { BrowserContext } = require('playwright/lib/server/browserContext');21const { BrowserContextDispatcher } = require('playwright/lib/server/supplements/dispatchers/browserContextDispatcher');22const { BrowserContextChannel } = require('playwright/lib/server/channels');23const { Browser } = require('playwright/lib/server/browser');24const { BrowserDispatcher } = require('playwright/lib/server/supplements/dispatchers/browserDispatcher');25const { BrowserChannel } = require('playwright/lib/server/channels');26const { BrowserServer } = require('playwright/lib/server/browserServer');27const { BrowserServerDispatcher } = require('playwright/lib/server/supplements/dispatchers/browserServerDispatcher');28const { BrowserServerChannel } = require('playwright/lib/server/channels');29const { BrowserType } = require('playwright/lib/server/browserType');30const { BrowserTypeDispatcher } =
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/client/fiber');2const { ElementHandle } = require('playwright/lib/client/elementHandle');3const { Page } = require('playwright/lib/client/page');4const { Element } = require('playwright/lib/client/element');5const { InternalHelper } = require('playwright/lib/internal/helper');6const elementHandle = new ElementHandle(7 new Page(new InternalHelper()),
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/dom/fiber');2const { parseHTML } = require('playwright/lib/server/dom/parseHTML');3const { Page } = require('playwright/lib/server/page');4const { ElementHandle } = require('playwright/lib/server/dom/elementHandle');5const page = new Page();6const html = `<html><body><div>test</div></body></html>`;7const document = parseHTML(html);8const root = document.firstChild;9const element = root.firstChild.firstChild;10const fiber = createFiberFromElement(element, root);11const elementHandle = new ElementHandle(page, fiber);12console.log(elementHandle.textContent());
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/dom/fiber');2const { ElementHandle } = require('playwright/lib/server/dom/elementHandler');3const element = new ElementHandle('page', 'element');4const fiber = createFiberFromElement(element);5console.log(fiber);6console.log(fiber.type);7console.log(fiber.props);8console.log(fiber.children);9console.log(fiber.parent);10console.log(fiber.sibling);11console.log(fiber.previousSibling);12console.log(fiber.child);13console.log(fiber.lastChild);14console.log(fiber.ownerDocument);15console.log(fiber.parentNode);16console.log(fiber.parentElement);17console.log(fiber.textContent);18console.log(fiber.innerText);19console.log(fiber.innerHTML);20console.log(fiber.outerHTML);21console.log(fiber.firstChild);22console.log(fiber.firstElementChild);23console.log(fiber.lastChild);24console.log(fiber.lastElementChild);25console.log(fiber.childNodes);
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');2const { createTest } = require('playwright/lib/server/supplements/recorder/recorderApp');3const { test } = createTest('test');4const fiber = createFiberFromElement('div', { id: 'test' });5test('test', async ({ page }) => {6 await page.click('div#test');7});8const { test } = require('../test');9test.runWithTestReporter();
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');2const fiber = createFiberFromElement('div', 'test');3console.log(fiber);4const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');5const fiber = createFiberFromElement('div', 'test');6console.log(fiber);7const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');8const fiber = createFiberFromElement('div', 'test');9console.log(fiber);10const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');11const fiber = createFiberFromElement('div', 'test');12console.log(fiber);13const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');14const fiber = createFiberFromElement('div', 'test');15console.log(fiber);16const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');17const fiber = createFiberFromElement('div', 'test');18console.log(fiber);19const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');20const fiber = createFiberFromElement('div', 'test');21console.log(fiber);22const { createFiberFromElement } = require('playwright/lib/server/supplements/recorder/fiber');23const fiber = createFiberFromElement('div', 'test');24console.log(fiber);
Using AI Code Generation
1const { createFiberFromElement } = require("playwright/lib/server/dom");2const path = require("path");3 const rootElement = document.getElementById('root');4 ReactDOM.render(5 React.createElement('h1', null, 'Hello, world!'),6 );7`;8const fiber = createFiberFromElement(html, path.join(__dirname, "test.html"));9console.log(fiber);
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/domFiber');2const { ElementHandle } = require('playwright/lib/server/dom');3const elementHandle = new ElementHandle(page, 'elementHandle');4const fiber = createFiberFromElement(elementHandle);5console.log(fiber);6const { createFiberFromElement } = require('playwright/lib/server/domFiber');7const { ElementHandle } = require('playwright/lib/server/dom');8const elementHandle = new ElementHandle(page, 'elementHandle');9const fiber = createFiberFromElement(elementHandle);10console.log(fiber);11Fiber {
Using AI Code Generation
1const { createFiberFromElement } = require('playwright/lib/server/dom/fiber');2const fiber = createFiberFromElement(element);3const elementHandle = await fiber.waitForSelector('css=div');4const resultHandle = await fiber.evaluateHandle(() => document.body);5const result = await fiber.evaluate(() => document.body);6const { createFiberFromElementHandle } = require('playwright/lib/server/dom/fiber');7const fiber = createFiberFromElementHandle(elementHandle);8const elementHandle = await fiber.waitForSelector('css=div');9const resultHandle = await fiber.evaluateHandle(() => document.body);10const result = await fiber.evaluate(() => document.body);
Using AI Code Generation
1const { createFiberFromElement } = require("playwright/lib/internal/fiber");2const element = createFiberFromElement(page, "button");3element.click();4const { chromium } = require("playwright");5(async () => {6 const browser = await chromium.launch();7 const context = await browser.newContext();8 const page = await context.newPage();9 await page.click('text=Get Started');10 await page.click('text=Run in Playwright');11 await page.click('text=Documentation');12 await page.click('text=API');13 await page.click('text=Page');14 await page.click('text=Page.click');15 await page.click('text=Examples');16 await page.click('text=Click a button');17 await page.click('text=Run in Playwright');18 await page.click('text=Get Started');19 await page.click('text=Run in Playwright');20 const { createFiberFromElement } = require("playwright/lib/internal/fiber");21 const element = createFiberFromElement(page, "button");22 element.click();23 await page.close();24 await context.close();25 await browser.close();26})();27const { chromium } = require("playwright");28(async () => {29 const browser = await chromium.launch();30 const context = await browser.newContext();31 const page = await context.newPage();
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.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
