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How to use prepareToHydrateHostTextInstance method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactFiberHydrationContext.js
Source:ReactFiberHydrationContext.js 
...20 fiber: Fiber,21 rootContainerInstance: C,22 hostContext: CX,23 ): boolean,24 prepareToHydrateHostTextInstance(fiber: Fiber): boolean,25 popHydrationState(fiber: Fiber): boolean,26};27export default function<T, P, I, TI, HI, PI, C, CC, CX, PL>(28 config: HostConfig<T, P, I, TI, HI, PI, C, CC, CX, PL>,29): HydrationContext<C, CX> {30 const {shouldSetTextContent, hydration} = config;31 // If this doesn't have hydration mode.32 if (!hydration) {33 return {34 enterHydrationState() {35 return false;36 },37 resetHydrationState() {},38 tryToClaimNextHydratableInstance() {},39 prepareToHydrateHostInstance() {40 invariant(41 false,42 'Expected prepareToHydrateHostInstance() to never be called. ' +43 'This error is likely caused by a bug in React. Please file an issue.',44 );45 },46 prepareToHydrateHostTextInstance() {47 invariant(48 false,49 'Expected prepareToHydrateHostTextInstance() to never be called. ' +50 'This error is likely caused by a bug in React. Please file an issue.',51 );52 },53 popHydrationState(fiber: Fiber) {54 return false;55 },56 };57 }58 const {59 canHydrateInstance,60 canHydrateTextInstance,61 getNextHydratableSibling,62 getFirstHydratableChild,63 hydrateInstance,64 hydrateTextInstance,65 didNotMatchHydratedContainerTextInstance,66 didNotMatchHydratedTextInstance,67 didNotHydrateContainerInstance,68 didNotHydrateInstance,69 didNotFindHydratableContainerInstance,70 didNotFindHydratableContainerTextInstance,71 didNotFindHydratableInstance,72 didNotFindHydratableTextInstance,73 } = hydration;74 // The deepest Fiber on the stack involved in a hydration context.75 // This may have been an insertion or a hydration.76 let hydrationParentFiber: null | Fiber = null;77 let nextHydratableInstance: null | HI = null;78 let isHydrating: boolean = false;79 function enterHydrationState(fiber: Fiber) {80 const parentInstance = fiber.stateNode.containerInfo;81 nextHydratableInstance = getFirstHydratableChild(parentInstance);82 hydrationParentFiber = fiber;83 isHydrating = true;84 return true;85 }86 function deleteHydratableInstance(returnFiber: Fiber, instance: I | TI) {87 if (__DEV__) {88 switch (returnFiber.tag) {89 case HostRoot:90 didNotHydrateContainerInstance(91 returnFiber.stateNode.containerInfo,92 instance,93 );94 break;95 case HostComponent:96 didNotHydrateInstance(97 returnFiber.type,98 returnFiber.memoizedProps,99 returnFiber.stateNode,100 instance,101 );102 break;103 }104 }105 const childToDelete = createFiberFromHostInstanceForDeletion();106 childToDelete.stateNode = instance;107 childToDelete.return = returnFiber;108 childToDelete.effectTag = Deletion;109 // This might seem like it belongs on progressedFirstDeletion. However,110 // these children are not part of the reconciliation list of children.111 // Even if we abort and rereconcile the children, that will try to hydrate112 // again and the nodes are still in the host tree so these will be113 // recreated.114 if (returnFiber.lastEffect !== null) {115 returnFiber.lastEffect.nextEffect = childToDelete;116 returnFiber.lastEffect = childToDelete;117 } else {118 returnFiber.firstEffect = returnFiber.lastEffect = childToDelete;119 }120 }121 function insertNonHydratedInstance(returnFiber: Fiber, fiber: Fiber) {122 fiber.effectTag |= Placement;123 if (__DEV__) {124 switch (returnFiber.tag) {125 case HostRoot: {126 const parentContainer = returnFiber.stateNode.containerInfo;127 switch (fiber.tag) {128 case HostComponent:129 const type = fiber.type;130 const props = fiber.pendingProps;131 didNotFindHydratableContainerInstance(132 parentContainer,133 type,134 props,135 );136 break;137 case HostText:138 const text = fiber.pendingProps;139 didNotFindHydratableContainerTextInstance(parentContainer, text);140 break;141 }142 break;143 }144 case HostComponent: {145 const parentType = returnFiber.type;146 const parentProps = returnFiber.memoizedProps;147 const parentInstance = returnFiber.stateNode;148 switch (fiber.tag) {149 case HostComponent:150 const type = fiber.type;151 const props = fiber.pendingProps;152 didNotFindHydratableInstance(153 parentType,154 parentProps,155 parentInstance,156 type,157 props,158 );159 break;160 case HostText:161 const text = fiber.pendingProps;162 didNotFindHydratableTextInstance(163 parentType,164 parentProps,165 parentInstance,166 text,167 );168 break;169 }170 break;171 }172 default:173 return;174 }175 }176 }177 function tryHydrate(fiber, nextInstance) {178 switch (fiber.tag) {179 case HostComponent: {180 const type = fiber.type;181 const props = fiber.pendingProps;182 const instance = canHydrateInstance(nextInstance, type, props);183 if (instance !== null) {184 fiber.stateNode = (instance: I);185 return true;186 }187 return false;188 }189 case HostText: {190 const text = fiber.pendingProps;191 const textInstance = canHydrateTextInstance(nextInstance, text);192 if (textInstance !== null) {193 fiber.stateNode = (textInstance: TI);194 return true;195 }196 return false;197 }198 default:199 return false;200 }201 }202 function tryToClaimNextHydratableInstance(fiber: Fiber) {203 if (!isHydrating) {204 return;205 }206 let nextInstance = nextHydratableInstance;207 if (!nextInstance) {208 // Nothing to hydrate. Make it an insertion.209 insertNonHydratedInstance((hydrationParentFiber: any), fiber);210 isHydrating = false;211 hydrationParentFiber = fiber;212 return;213 }214 if (!tryHydrate(fiber, nextInstance)) {215 // If we can't hydrate this instance let's try the next one.216 // We use this as a heuristic. It's based on intuition and not data so it217 // might be flawed or unnecessary.218 nextInstance = getNextHydratableSibling(nextInstance);219 if (!nextInstance || !tryHydrate(fiber, nextInstance)) {220 // Nothing to hydrate. Make it an insertion.221 insertNonHydratedInstance((hydrationParentFiber: any), fiber);222 isHydrating = false;223 hydrationParentFiber = fiber;224 return;225 }226 // We matched the next one, we'll now assume that the first one was227 // superfluous and we'll delete it. Since we can't eagerly delete it228 // we'll have to schedule a deletion. To do that, this node needs a dummy229 // fiber associated with it.230 deleteHydratableInstance(231 (hydrationParentFiber: any),232 nextHydratableInstance,233 );234 }235 hydrationParentFiber = fiber;236 nextHydratableInstance = getFirstHydratableChild(nextInstance);237 }238 function prepareToHydrateHostInstance(239 fiber: Fiber,240 rootContainerInstance: C,241 hostContext: CX,242 ): boolean {243 const instance: I = fiber.stateNode;244 const updatePayload = hydrateInstance(245 instance,246 fiber.type,247 fiber.memoizedProps,248 rootContainerInstance,249 hostContext,250 fiber,251 );252 // TODO: Type this specific to this type of component.253 fiber.updateQueue = (updatePayload: any);254 // If the update payload indicates that there is a change or if there255 // is a new ref we mark this as an update.256 if (updatePayload !== null) {257 return true;258 }259 return false;260 }261 function prepareToHydrateHostTextInstance(fiber: Fiber): boolean {262 const textInstance: TI = fiber.stateNode;263 const textContent: string = fiber.memoizedProps;264 const shouldUpdate = hydrateTextInstance(textInstance, textContent, fiber);265 if (__DEV__) {266 if (shouldUpdate) {267 // We assume that prepareToHydrateHostTextInstance is called in a context where the268 // hydration parent is the parent host component of this host text.269 const returnFiber = hydrationParentFiber;270 if (returnFiber !== null) {271 switch (returnFiber.tag) {272 case HostRoot: {273 const parentContainer = returnFiber.stateNode.containerInfo;274 didNotMatchHydratedContainerTextInstance(275 parentContainer,...
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 const { prepareToHydrateHostTextInstance } = require('playwright');8 const node = document.createElement('div');9 const instance = prepareToHydrateHostTextInstance(node, 'Hello world');10 console.log(instance);11 });12 await browser.close();13})();14const { chromium } = require('playwright');15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 await page.evaluate(() => {20 const { prepareToHydrateHostInstance } = require('playwright');21 const node = document.createElement('div');22 const instance = prepareToHydrateHostInstance(node);23 console.log(instance);24 });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();32 await page.evaluate(() => {33 const { prepareToHydrateHostTextInstance } = require('playwright');34 const node = document.createElement('div');
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.click('text=Get started');7 await page.click('text=Docs');8 await page.click('text=API');9 await page.click('text=class BrowserContext');10 const text = await page.evaluate(() => {11 const element = document.querySelector('text=class BrowserContext');12 return element.textContent;13 });14 await page.prepareToHydrateHostTextInstance(text);15 await page.hover('text=class BrowserContext');16 await page.screenshot({ path: 'hovered.png' });17 await browser.close();18})();
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 const textHandle = await page.$('input[name="q"]');7 const textElement = await textHandle.asElement();8 await textElement._delegate.prepareToHydrateHostTextInstance();9 await page.close();10 await context.close();11 await browser.close();12})();
Using AI Code Generation
1const { webkit } = require('playwright');2const { prepareToHydrateHostTextInstance } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4 const browser = await webkit.launch();5 const page = await browser.newPage();6 const element = await page.$('input[name="q"]');7 const text = await element.textContent();8 const node = await prepareToHydrateHostTextInstance(page, element);9 console.log(node);10 await browser.close();11})();12[MIT](LICENSE)
Using AI Code Generation
1const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');2const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');3const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');4const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');5const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');6const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');7const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');8const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');9const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');10const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');11const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');12const { prepareToHydrateHostTextInstance } = require('@playwright/test/lib/server/inspector/dom.js');
Using AI Code Generation
1const { prepareToHydrateHostTextInstance } = require('playwright/lib/server/dom.js');2const { createJSHandle } = require('playwright/lib/server/frames.js');3const { serializeAsCallArgument } = require('playwright/lib/server/serializers.js');4const text = 'hello world';5const handle = await createJSHandle(page, text);6const { nodeId, value } = await prepareToHydrateHostTextInstance(handle);7const arg = await serializeAsCallArgument(value);8### `prepareToHydrateHostTextInstance(handle)`9[MIT](LICENSE)
Using AI Code Generation
1const { prepareToHydrateHostTextInstance } = require('playwright-core/lib/webkit/wkPage');2const { WKPage } = require('playwright-core/lib/webkit/wkPage');3const { WKFrame } = require('playwright-core/lib/webkit/wkFrame');4const { WKExecutionContext } = require('playwright-core/lib/webkit/wkExecutionContext');5const { WKElementHandle } = require('playwright-core/lib/webkit/wkElementHandle');6const { WKSession } = require('playwright-core/lib/webkit/wkConnection');7const { prepareToHydrateHostTextInstance } = require('playwright-core/lib/webkit/wkPage');8const { WKPage } = require('playwright-core/lib/webkit/wkPage');9const { WKFrame } = require('playwright-core/lib/webkit/wkFrame');10const { WKExecutionContext } = require('playwright-core/lib/webkit/wkExecutionContext');11const { WKElementHandle } = require('playwright-core/lib/webkit/wkElementHandle');12const { WKSession } = require('playwright-core/lib/webkit/wkConnection');13const { prepareToHydrateHostTextInstance } = require('playwright-core/lib/webkit/wkPage');14const { WKPage } = require('playwright-core/lib/webkit/wkPage');15const { WKFrame } = require('playwright-core/lib/webkit/wkFrame');16const { WKExecutionContext } = require('playwright-core/lib/webkit/wkExecutionContext');17const { WKElementHandle } = require('playwright-core/lib/webkit/wkElementHandle');18const { WKSession } = require('playwright-core/lib/webkit/wkConnection');19const { prepareToHydrateHostTextInstance } = require('playwright-core/lib/webkit/wkPage');20const { WKPage } = require('playwright-core/lib/webkit/wkPage');21const { WKFrame } = require('playwright-core/lib/webkit/wkFrame');22const { WKExecutionContext } = require('playwright-core/lib/webkit/wkExecutionContext');23const { WKElementHandle } = require('playwright-core/lib/web
Using AI Code Generation
1const { prepareToHydrateHostTextInstance } = require('playwright/lib/server/dom.js');2const { createJSHandle } = require('playwright/lib/server/frames.js');3const { assert } = require('playwright/lib/server/helper.js');4const { createHandle } = require('playwright/lib/server/converters.js');5const { createJSHandleFromElement } = require('playwright/lib/server/converters.js');6async function main() {7 const page = await browser.newPage();8 const element = await page.$('input[type="text"]');9 const text = await element.evaluate(element => element.value);10 console.log(text);11 await element.evaluate(element => element.value = 'test');12 const text2 = await element.evaluate(element => element.value);13 console.log(text2);14 const element2 = await page.$('input[type="text"]');15 const text3 = await element2.evaluate(element => element.value);16 console.log(text3);17 const text4 = await element.evaluate(element => element.value);18 console.log(text4);19 const text5 = await element.evaluate(element => element.value);20 console.log(text5);21 const text6 = await element.evaluate(element => element.value);22 console.log(text6);23 const text7 = await element.evaluate(element => element.value);24 console.log(text7);25 const text8 = await element.evaluate(element => element.value);26 console.log(text8);27 const text9 = await element.evaluate(element => element.value);28 console.log(text9);29 const text10 = await element.evaluate(element => element.value);30 console.log(text10);31 const text11 = await element.evaluate(element => element.value);32 console.log(text11);33 const text12 = await element.evaluate(element => element.value);34 console.log(text12);35 const text13 = await element.evaluate(element => element.value);36 console.log(text13);37 const text14 = await element.evaluate(element => element.value);38 console.log(text14);39 const text15 = await element.evaluate(element => element.value);40 console.log(text15);41 const text16 = await element.evaluate(element => element.value);42 console.log(text16);43 const text17 = await element.evaluate(element => element.value);44 console.log(text17);45 const text18 = await element.evaluate(element => element.value);46 console.log(text18);
Using AI Code Generation
1const { prepareToHydrateHostTextInstance } = require('playwright/lib/server/dom.js');2const { Page } = require('playwright/lib/server/page.js');3const { createTestServer } = require('playwright/test/lib/utils/testserver.js');4const { contextTest as it, expect } = require('./config/browserTest');5it('should hydrate text node', async ({browser, server}) => {6 const page = await browser.newPage();7 await page.setContent('<div id="div1">Hello World</div>');8 const div1 = await page.$('div');9 const textNode = await div1.evaluateHandle(div => div.firstChild);10 await textNode.evaluate(prepareToHydrateHostTextInstance);11 await page.evaluate(() => {12 const div1 = document.getElementById('div1');13 div1.removeChild(div1.firstChild);14 div1.appendChild(document.createTextNode('Hello World'));15 });16 expect(await div1.innerText()).toBe('Hello World');17});18const { hydrateHostTextInstance } = require('playwright/lib/server/dom.js');19const { Page } = require('playwright/lib/server/page.js');20const { createTestServer } = require('playwright/test/lib/utils/testserver.js');21const { contextTest as it, expect } = require('./config/browserTest');22it('should hydrate text node', async ({browser, server}) => {23 const page = await browser.newPage();24 await page.setContent('<div id="div1">Hello World</div>');25 const div1 = await page.$('div');26 const textNode = await div1.evaluateHandle(div => div.firstChild);27 await textNode.evaluate(hydrateHostTextInstance);28 expect(await div1.innerText()).toBe('Hello World');29});30const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');31const { Page } = require('playwright/lib/server/page.js');32const { createTestServer } = require('playwright/test/lib/utils/testserver.js');33const { contextTest as it, expect } = require
Playwright tutorial
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