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How to use prepareToHydrateHostInstance method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberHydrationContext.js

Source:ReactFiberHydrationContext.js

...19export type HydrationContext<C> = {20  enterHydrationState(fiber: Fiber): boolean,21  resetHydrationState(): void,22  tryToClaimNextHydratableInstance(fiber: Fiber): void,23  prepareToHydrateHostInstance(fiber: Fiber, rootContainerInstance: C): boolean,24  prepareToHydrateHostTextInstance(fiber: Fiber): boolean,25  popHydrationState(fiber: Fiber): boolean,26};27module.exports = function<T, P, I, TI, PI, C, CX, PL>(28  config: HostConfig<T, P, I, TI, PI, C, CX, PL>,29): HydrationContext<C> {30  const {31    shouldSetTextContent,32    canHydrateInstance,33    canHydrateTextInstance,34    getNextHydratableSibling,35    getFirstHydratableChild,36    hydrateInstance,37    hydrateTextInstance,38  } = config;39  // If this doesn't have hydration mode.40  if (41    !(canHydrateInstance &&42      canHydrateTextInstance &&43      getNextHydratableSibling &&44      getFirstHydratableChild &&45      hydrateInstance &&46      hydrateTextInstance)47  ) {48    return {49      enterHydrationState() {50        return false;51      },52      resetHydrationState() {},53      tryToClaimNextHydratableInstance() {},54      prepareToHydrateHostInstance() {55        invariant(false, 'React bug.');56      },57      prepareToHydrateHostTextInstance() {58        invariant(false, 'React bug.');59      },60      popHydrationState(fiber: Fiber) {61        return false;62      },63    };64  }65  // The deepest Fiber on the stack involved in a hydration context.66  // This may have been an insertion or a hydration.67  let hydrationParentFiber: null | Fiber = null;68  let nextHydratableInstance: null | I | TI = null;69  let isHydrating: boolean = false;70  function enterHydrationState(fiber: Fiber) {71    const parentInstance = fiber.stateNode.containerInfo;72    nextHydratableInstance = getFirstHydratableChild(parentInstance);73    hydrationParentFiber = fiber;74    isHydrating = true;75    return true;76  }77  function deleteHydratableInstance(returnFiber: Fiber, instance: I | TI) {78    const childToDelete = createFiberFromHostInstanceForDeletion();79    childToDelete.stateNode = instance;80    childToDelete.return = returnFiber;81    childToDelete.effectTag = Deletion;82    // This might seem like it belongs on progressedFirstDeletion. However,83    // these children are not part of the reconciliation list of children.84    // Even if we abort and rereconcile the children, that will try to hydrate85    // again and the nodes are still in the host tree so these will be86    // recreated.87    if (returnFiber.lastEffect !== null) {88      returnFiber.lastEffect.nextEffect = childToDelete;89      returnFiber.lastEffect = childToDelete;90    } else {91      returnFiber.firstEffect = returnFiber.lastEffect = childToDelete;92    }93  }94  function canHydrate(fiber, nextInstance) {95    switch (fiber.tag) {96      case HostComponent: {97        const type = fiber.type;98        const props = fiber.memoizedProps;99        return canHydrateInstance(nextInstance, type, props);100      }101      case HostText: {102        return canHydrateTextInstance(nextInstance);103      }104      default:105        return false;106    }107  }108  function tryToClaimNextHydratableInstance(fiber: Fiber) {109    if (!isHydrating) {110      return;111    }112    let nextInstance = nextHydratableInstance;113    if (!nextInstance) {114      // Nothing to hydrate. Make it an insertion.115      fiber.effectTag |= Placement;116      isHydrating = false;117      hydrationParentFiber = fiber;118      return;119    }120    if (!canHydrate(fiber, nextInstance)) {121      // If we can't hydrate this instance let's try the next one.122      // We use this as a heuristic. It's based on intuition and not data so it123      // might be flawed or unnecessary.124      nextInstance = getNextHydratableSibling(nextInstance);125      if (!nextInstance || !canHydrate(fiber, nextInstance)) {126        // Nothing to hydrate. Make it an insertion.127        fiber.effectTag |= Placement;128        isHydrating = false;129        hydrationParentFiber = fiber;130        return;131      }132      // We matched the next one, we'll now assume that the first one was133      // superfluous and we'll delete it. Since we can't eagerly delete it134      // we'll have to schedule a deletion. To do that, this node needs a dummy135      // fiber associated with it.136      deleteHydratableInstance(137        (hydrationParentFiber: any),138        nextHydratableInstance,139      );140    }141    fiber.stateNode = nextInstance;142    hydrationParentFiber = fiber;143    nextHydratableInstance = getFirstHydratableChild(nextInstance);144  }145  function prepareToHydrateHostInstance(146    fiber: Fiber,147    rootContainerInstance: C,148  ): boolean {149    const instance: I = fiber.stateNode;150    const updatePayload = hydrateInstance(151      instance,152      fiber.type,153      fiber.memoizedProps,154      rootContainerInstance,155      fiber,156    );157    // TODO: Type this specific to this type of component.158    fiber.updateQueue = (updatePayload: any);159    // If the update payload indicates that there is a change or if there...

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.screenshot({ path: 'example.png' });7  await browser.close();8})();

Using AI Code Generation

1const { prepareToHydrateHostInstance } = require('playwright');2const { chromium } = require('playwright');3const fs = require('fs');4const path = require('path');5const { promisify } = require('util');6const readFile = promisify(fs.readFile);7const writeFile = promisify(fs.writeFile);8const appendFile = promisify(fs.appendFile);9(async () => {10  const browser = await chromium.launch();11  const context = await browser.newContext();12  const page = await context.newPage();13  const handle = await page.$('h1');14  const content = await handle.innerHTML();15  await appendFile('test.txt', content);16  await writeFile('test.txt', content);17  await page.close();18  await context.close();19  await browser.close();20})();

Using AI Code Generation

1const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');2const { ElementHandle } = require('playwright/lib/server/dom.js');3const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');4const { ElementHandle } = require('playwright/lib/server/dom.js');5const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');6const { ElementHandle } = require('playwright/lib/server/dom.js');7const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');8const { ElementHandle } = require('playwright/lib/server/dom.js');9const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');10const { ElementHandle } = require('playwright/lib/server/dom.js');11const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');12const { ElementHandle } = require('playwright/lib/server/dom.js');13const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');14const { ElementHandle } = require('playwright/lib/server/dom.js');15const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');16const { ElementHandle } = require('playwright/lib/server/dom.js');17const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');18const { ElementHandle } = require('playwright/lib/server/dom.js');19const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');

Using AI Code Generation

1const { prepareToHydrateHostInstance } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement.js');2const { chromium } = require('playwright-core');3const { chromiumLauncher } = require('playwright-core/lib/server/chromium/chromiumLauncher.js');4const { chromiumType } = require('playwright-core/lib/server/chromium/chromiumType.js');5const { chromiumBrowser } = require('playwright-core/lib/server/chromium/chromiumBrowser.js');6const { chromiumBrowserContext } = require('playwright-core/lib/server/chromium/chromiumBrowserContext.js');7const { chromiumPage } = require('playwright-core/lib/server/chromium/chromiumPage.js');8const { chromiumFrame } = require('playwright-core/lib/server/chromium/chromiumFrame.js');9(async () => {10  const browser = await chromium.launch();11  const context = await browser.newContext();12  const page = await context.newPage();13  const frame = page.mainFrame();14  const element = await page.$('input');15  prepareToHydrateHostInstance(element);16  await browser.close();17})();

Using AI Code Generation

1const { prepareToHydrateHostInstance } = require('playwright/lib/server/dom.js');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const element = await page.$('input');7  const internalElement = await element._elementHandle._context._adoptBackendNodeId(element._elementHandle._remoteObject.objectId);8  prepareToHydrateHostInstance(internalElement);9  await page.close();10  await browser.close();11})();

Using AI Code Generation

1async function hydratePage() {2  const { prepareToHydrateHostInstance } = require('playwright/lib/server/chromium/crPage');3  const { page } = await browser.newPage();4  const { frame } = page.mainFrame();5  const element = await frame.$('input[name="q"]');6  const context = await page.mainFrame().executionContext();7  const handle = await context.evaluateHandle(element => element, element);8  await prepareToHydrateHostInstance(page, handle);9  await page.evaluate(element => {10    element.value = 'test';11  }, element);12  await page.close();13}14hydratePage();15const browser = await playwright.chromium.launch({16});17const browser = await playwright.chromium.launch({18});19const browser = await playwright.chromium.launch({20});

Playwright tutorial

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