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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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