How to use canHydrateInstance method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberHydrationContext.js

Source:ReactFiberHydrationContext.js

...107      return;108    }109    const type = fiber.type;110    const props = fiber.memoizedProps;111    if (!canHydrateInstance(nextInstance, type, props)) {112      // If we can't hydrate this instance let's try the next one.113      // We use this as a heuristic. It's based on intuition and not data so it114      // might be flawed or unnecessary.115      nextInstance = getNextHydratableSibling(nextInstance);116      if (!nextInstance || !canHydrateInstance(nextInstance, type, props)) {117        // Nothing to hydrate. Make it an insertion.118        fiber.effectTag |= Placement;119        isHydrating = false;120        hydrationParentFiber = fiber;121        return;122      }123      // We matched the next one, we'll now assume that the first one was124      // superfluous and we'll delete it. Since we can't eagerly delete it125      // we'll have to schedule a deletion. To do that, this node needs a dummy126      // fiber associated with it.127      deleteHydratableInstance(128        (hydrationParentFiber: any),129        nextHydratableInstance,130      );...

ReactFiberHostConfig.js

Source:ReactFiberHostConfig.js

1import { getChildNamespace } from '../../DOMNamespaces';2import {3  TEXT_NODE,4  ELEMENT_NODE,5  COMMENT_NODE,6  DOCUMENT_NODE,7  DOCUMENT_FRAGMENT_NODE,8} from '../../HTMLNodeType';9import {10  diffProperties,11  diffHydratedProperties,12  createElement,13  setInitialProperties,14  trapClickOnNonInteractiveElement,15  updateProperties,16} from '../../react-dom/src/client/ReactDOMComponent';17import {18  precacheFiberNode,19  updateFiberProps,20} from '../../react-dom/src/client/ReactDOMComponentTree';21import {22  isEnabled,23  setEnabled,24} from '../../react-dom/src/events/ReactDOMEventListener';25import {26  getSelectionInformation,27  restoreSelection,28} from '../../react-dom/src/client/ReactInputSelection';29import { setTextContent } from '../../react-dom/src/client/setTextContent';30import { retryIfBlockedOn } from '../../react-dom/src/events/ReactDOMEventReplaying';31const noTimeout = -1;32let eventsEnabled = null;33let selectionInformation = null;34const clearContainer = (container) => {35  container.children.splice(0);36};37const getRootHostContext = (rootContainerInstance) => {38  let type;39  let namespace;40  const nodeType = rootContainerInstance.nodeType;41  switch (nodeType) {42    case DOCUMENT_NODE:43    case DOCUMENT_FRAGMENT_NODE: {44      type = nodeType === DOCUMENT_NODE ? '#document' : '#fragment';45      const root = rootContainerInstance.documentElement;46      namespace = root ? root.namespaceURI : getChildNamespace(null, '');47      break;48    }49    default: {50      const container =51        nodeType === COMMENT_NODE52          ? rootContainerInstance.parentNode53          : rootContainerInstance;54      const ownNamespace = container.namespaceURI || null;55      type = container.tagName;56      namespace = getChildNamespace(ownNamespace, type);57      break;58    }59  }60  return namespace;61};62const getNextHydratable = (node) => {63  for (; node != null; node = node.nextSibling) {64    const nodeType = node.nodeType;65    if (nodeType === ELEMENT_NODE || nodeType === TEXT_NODE) {66      break;67    }68  }69  return node;70};71const getFirstHydratableChild = (parentInstance) =>72  getNextHydratable(parentInstance.firstChild);73const shouldSetTextContent = (type, props) => {74  return (75    type === 'textarea' ||76    type === 'option' ||77    type === 'noscript' ||78    typeof props.children === 'string' ||79    typeof props.children === 'number' ||80    (typeof props.dangerouslySetInnerHTML === 'object' &&81      props.dangerouslySetInnerHTML !== null &&82      props.dangerouslySetInnerHTML.__html != null)83  );84};85const getNextHydratableSibling = (instance) => {86  return getNextHydratable(instance.nextSibling);87};88const getNextHydratableInstanceAfterSuspenseInstance = (suspenseInstance) => {89  let node = suspenseInstance.nextSibling;90  let depth = 0;91  while (node) {92    if (node.nodeType === COMMENT_NODE) {93      const data = node.data;94      if (data === SUSPENSE_END_DATA) {95        if (depth === 0) {96          return getNextHydratableSibling(node);97        } else {98          depth--;99        }100      } else if (101        data === SUSPENSE_START_DATA ||102        data === SUSPENSE_FALLBACK_START_DATA ||103        data === SUSPENSE_PENDING_START_DATA104      ) {105        depth++;106      }107    }108    node = node.nextSibling;109  }110  return null;111};112const canHydrateInstance = (instance, type, props) => {113  if (114    instance.nodeType !== ELEMENT_NODE ||115    type.toLowerCase() !== instance.nodeName.toLowerCase()116  ) {117    return null;118  }119  return instance;120};121const prepareUpdate = (122  domElement,123  type,124  oldProps,125  newProps,126  rootContainerInstance,127  hostContext128) =>129  diffProperties(domElement, type, oldProps, newProps, rootContainerInstance);130const hydrateInstance = (131  instance,132  type,133  props,134  rootContainerInstance,135  hostContext,136  internalInstanceHandle137) => {138  precacheFiberNode(internalInstanceHandle, instance);139  updateFiberProps(instance, props);140  return diffHydratedProperties(141    instance,142    type,143    props,144    hostContext,145    rootContainerInstance146  );147};148const createInstance = (149  type,150  props,151  rootContainerInstance,152  hostContext,153  internalInstanceHandle154) => {155  const domElement = createElement(156    type,157    props,158    rootContainerInstance,159    hostContext160  );161  precacheFiberNode(internalInstanceHandle, domElement);162  updateFiberProps(domElement, props);163  return domElement;164};165const appendInitialChild = (parentInstance, child) => {166  parentInstance.appendChild(child);167};168const shouldAutoFocusHostComponent = (type, props) => {169  switch (type) {170    case 'button':171    case 'input':172    case 'select':173    case 'textarea':174      return !!props.autoFocus;175  }176  return false;177};178const finalizeInitialChildren = (179  domElement,180  type,181  props,182  rootContainerInstance,183  hostContext184) => {185  setInitialProperties(domElement, type, props, rootContainerInstance);186  return shouldAutoFocusHostComponent(type, props);187};188const prepareForCommit = (containerInfo) => {189  eventsEnabled = isEnabled();190  selectionInformation = getSelectionInformation();191  setEnabled(false);192  return null;193};194const resetTextContent = (domElement) => {195  setTextContent(domElement, '');196};197const insertInContainerBefore = (container, child, beforeChild) => {198  if (container.nodeType === COMMENT_NODE) {199    container.parentNode.insertBefore(child, beforeChild);200  } else {201    container.insertBefore(child, beforeChild);202  }203};204const appendChildToContainer = (container, child) => {205  let parentNode;206  if (container.nodeType === COMMENT_NODE) {207    parentNode = container.parentNode;208    parentNode.insertBefore(child, container);209  } else {210    parentNode = container;211    parentNode.appendChild(child);212  }213  const reactRootContainer = container._reactRootContainer;214  if (215    (reactRootContainer === null || reactRootContainer === undefined) &&216    parentNode.onclick === null217  ) {218    trapClickOnNonInteractiveElement(parentNode);219  }220};221const commitUpdate = (222  domElement,223  updatePayload,224  type,225  oldProps,226  newProps,227  internalInstanceHandle228) => {229  updateFiberProps(domElement, newProps);230  updateProperties(domElement, updatePayload, type, oldProps, newProps);231};232const commitTextUpdate = (textInstance, oldText, newText) => {233  textInstance.nodeValue = newText;234};235const commitHydratedContainer = (container) => {236  retryIfBlockedOn(container);237};238const resetAfterCommit = (containerInfo) => {239  restoreSelection(selectionInformation);240  setEnabled(eventsEnabled);241  eventsEnabled = null;242  selectionInformation = null;243};244export {245  noTimeout,246  clearContainer,247  getRootHostContext,248  getNextHydratable,249  getFirstHydratableChild,250  shouldSetTextContent,251  getNextHydratableSibling,252  getNextHydratableInstanceAfterSuspenseInstance,253  canHydrateInstance,254  prepareUpdate,255  hydrateInstance,256  createInstance,257  appendInitialChild,258  finalizeInitialChildren,259  prepareForCommit,260  resetTextContent,261  insertInContainerBefore,262  appendChildToContainer,263  commitUpdate,264  commitTextUpdate,265  commitHydratedContainer,266  resetAfterCommit,...

ReactFiberHostConfig.custom.js

Source:ReactFiberHostConfig.custom.js

1/**2 * Copyright (c) 2015-present, Facebook, Inc.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @flow8 */9// This is a host config that's used for the `react-reconciler` package on npm.10// It is only used by third-party renderers.11//12// Its API lets you pass the host config as an argument.13// However, inside the `react-reconciler` we treat host config as a module.14// This file is a shim between two worlds.15//16// It works because the `react-reconciler` bundle is wrapped in something like:17//18// module.exports = function ($$$config) {19//   /* reconciler code */20// }21//22// So `$$$config` looks like a global variable, but it's23// really an argument to a top-level wrapping function.24declare var $$$hostConfig: any;25export opaque type Type = mixed; // eslint-disable-line no-undef26export opaque type Props = mixed; // eslint-disable-line no-undef27export opaque type Container = mixed; // eslint-disable-line no-undef28export opaque type Instance = mixed; // eslint-disable-line no-undef29export opaque type TextInstance = mixed; // eslint-disable-line no-undef30export opaque type HydratableInstance = mixed; // eslint-disable-line no-undef31export opaque type PublicInstance = mixed; // eslint-disable-line no-undef32export opaque type HostContext = mixed; // eslint-disable-line no-undef33export opaque type UpdatePayload = mixed; // eslint-disable-line no-undef34export opaque type ChildSet = mixed; // eslint-disable-line no-undef35export opaque type TimeoutHandle = mixed; // eslint-disable-line no-undef36export opaque type NoTimeout = mixed; // eslint-disable-line no-undef37export const getPublicInstance = $$$hostConfig.getPublicInstance;38export const getRootHostContext = $$$hostConfig.getRootHostContext;39export const getChildHostContext = $$$hostConfig.getChildHostContext;40export const prepareForCommit = $$$hostConfig.prepareForCommit;41export const resetAfterCommit = $$$hostConfig.resetAfterCommit;42export const createInstance = $$$hostConfig.createInstance;43export const appendInitialChild = $$$hostConfig.appendInitialChild;44export const finalizeInitialChildren = $$$hostConfig.finalizeInitialChildren;45export const prepareUpdate = $$$hostConfig.prepareUpdate;46export const shouldSetTextContent = $$$hostConfig.shouldSetTextContent;47export const shouldDeprioritizeSubtree =48  $$$hostConfig.shouldDeprioritizeSubtree;49export const createTextInstance = $$$hostConfig.createTextInstance;50export const scheduleDeferredCallback = $$$hostConfig.scheduleDeferredCallback;51export const cancelDeferredCallback = $$$hostConfig.cancelDeferredCallback;52export const scheduleTimeout = $$$hostConfig.setTimeout;53export const cancelTimeout = $$$hostConfig.clearTimeout;54export const noTimeout = $$$hostConfig.noTimeout;55export const now = $$$hostConfig.now;56export const isPrimaryRenderer = $$$hostConfig.isPrimaryRenderer;57export const supportsMutation = $$$hostConfig.supportsMutation;58export const supportsPersistence = $$$hostConfig.supportsPersistence;59export const supportsHydration = $$$hostConfig.supportsHydration;60// -------------------61//      Mutation62//     (optional)63// -------------------64export const appendChild = $$$hostConfig.appendChild;65export const appendChildToContainer = $$$hostConfig.appendChildToContainer;66export const commitTextUpdate = $$$hostConfig.commitTextUpdate;67export const commitMount = $$$hostConfig.commitMount;68export const commitUpdate = $$$hostConfig.commitUpdate;69export const insertBefore = $$$hostConfig.insertBefore;70export const insertInContainerBefore = $$$hostConfig.insertInContainerBefore;71export const removeChild = $$$hostConfig.removeChild;72export const removeChildFromContainer = $$$hostConfig.removeChildFromContainer;73export const resetTextContent = $$$hostConfig.resetTextContent;74// -------------------75//     Persistence76//     (optional)77// -------------------78export const cloneInstance = $$$hostConfig.cloneInstance;79export const createContainerChildSet = $$$hostConfig.createContainerChildSet;80export const appendChildToContainerChildSet =81  $$$hostConfig.appendChildToContainerChildSet;82export const finalizeContainerChildren =83  $$$hostConfig.finalizeContainerChildren;84export const replaceContainerChildren = $$$hostConfig.replaceContainerChildren;85// -------------------86//     Hydration87//     (optional)88// -------------------89export const canHydrateInstance = $$$hostConfig.canHydrateInstance;90export const canHydrateTextInstance = $$$hostConfig.canHydrateTextInstance;91export const getNextHydratableSibling = $$$hostConfig.getNextHydratableSibling;92export const getFirstHydratableChild = $$$hostConfig.getFirstHydratableChild;93export const hydrateInstance = $$$hostConfig.hydrateInstance;94export const hydrateTextInstance = $$$hostConfig.hydrateTextInstance;95export const didNotMatchHydratedContainerTextInstance =96  $$$hostConfig.didNotMatchHydratedContainerTextInstance;97export const didNotMatchHydratedTextInstance =98  $$$hostConfig.didNotMatchHydratedTextInstance;99export const didNotHydrateContainerInstance =100  $$$hostConfig.didNotHydrateContainerInstance;101export const didNotHydrateInstance = $$$hostConfig.didNotHydrateInstance;102export const didNotFindHydratableContainerInstance =103  $$$hostConfig.didNotFindHydratableContainerInstance;104export const didNotFindHydratableContainerTextInstance =105  $$$hostConfig.didNotFindHydratableContainerTextInstance;106export const didNotFindHydratableInstance =107  $$$hostConfig.didNotFindHydratableInstance;108export const didNotFindHydratableTextInstance =...

HostConfigWithNoHydration.js

Source:HostConfigWithNoHydration.js

1/**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of the React source tree.6 *7 * @flow8 */9import invariant from 'invariant';10// Renderers that don't support hydration11// can re-export everything from this module.12function shim(...args: any) {13  invariant(14    false,15    'The current renderer does not support hydration. ' +16      'This error is likely caused by a bug in React. ' +17      'Please file an issue.',18  );19}20// Hydration (when unsupported)21export type SuspenseInstance = mixed;22export const supportsHydration = false;23export const canHydrateInstance = shim;24export const canHydrateTextInstance = shim;25export const canHydrateSuspenseInstance = shim;26export const isSuspenseInstancePending = shim;27export const isSuspenseInstanceFallback = shim;28export const registerSuspenseInstanceRetry = shim;29export const getNextHydratableSibling = shim;30export const getFirstHydratableChild = shim;31export const hydrateInstance = shim;32export const hydrateTextInstance = shim;33export const getNextHydratableInstanceAfterSuspenseInstance = shim;34export const clearSuspenseBoundary = shim;35export const clearSuspenseBoundaryFromContainer = shim;36export const didNotMatchHydratedContainerTextInstance = shim;37export const didNotMatchHydratedTextInstance = shim;38export const didNotHydrateContainerInstance = shim;39export const didNotHydrateInstance = shim;40export const didNotFindHydratableContainerInstance = shim;41export const didNotFindHydratableContainerTextInstance = shim;42export const didNotFindHydratableContainerSuspenseInstance = shim;43export const didNotFindHydratableInstance = shim;44export const didNotFindHydratableTextInstance = shim;...

NoHydration.js

Source:NoHydration.js

1/**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of the React source tree.6 *7 * @flow8 */9import invariant from 'invariant';10// Renderers that don't support hydration11// can re-export everything from this module.12function shim(...args) {13  invariant(14    false,15    'The current renderer does not support hydration. ' +16      'This error is likely caused by a bug in React. ' +17      'Please file an issue.',18  );19}20// Hydration (when unsupported)21export const supportsHydration = false;22export const canHydrateInstance = shim;23export const canHydrateTextInstance = shim;24export const canHydrateSuspenseInstance = shim;25export const isSuspenseInstancePending = shim;26export const isSuspenseInstanceFallback = shim;27export const registerSuspenseInstanceRetry = shim;28export const getNextHydratableSibling = shim;29export const getFirstHydratableChild = shim;30export const hydrateInstance = shim;31export const hydrateTextInstance = shim;32export const getNextHydratableInstanceAfterSuspenseInstance = shim;33export const clearSuspenseBoundary = shim;34export const clearSuspenseBoundaryFromContainer = shim;35export const didNotMatchHydratedContainerTextInstance = shim;36export const didNotMatchHydratedTextInstance = shim;37export const didNotHydrateContainerInstance = shim;38export const didNotHydrateInstance = shim;39export const didNotFindHydratableContainerInstance = shim;40export const didNotFindHydratableContainerTextInstance = shim;41export const didNotFindHydratableContainerSuspenseInstance = shim;42export const didNotFindHydratableInstance = shim;43export const didNotFindHydratableTextInstance = shim;...

hydrations.js

Source:hydrations.js

1import { emptyFnc } from '../utils';2export const canHydrateInstance = emptyFnc('canHydrateInstance');3export const canHydrateTextInstance = emptyFnc('canHydrateTextInstance');4export const getNextHydratableSibling = emptyFnc('getNextHydratableSibling');5export const getFirstHydratableChild = emptyFnc('getFirstHydratableChild');6export const hydrateInstance = emptyFnc('hydrateInstance');7export const hydrateTextInstance = emptyFnc('hydrateTextInstance');8export const didNotMatchHydratedContainerTextInstance = emptyFnc('didNotMatchHydratedContainerTextInstance');9export const didNotMatchHydratedTextInstance = emptyFnc('didNotMatchHydratedTextInstance');10export const didNotHydrateContainerInstance = emptyFnc('didNotHydrateContainerInstance');11export const didNotHydrateInstance = emptyFnc('didNotHydrateInstance');12export const didNotFindHydratableContainerInstance = emptyFnc('didNotFindHydratableContainerInstance');13export const didNotFindHydratableContainerTextInstance = emptyFnc('didNotFindHydratableContainerTextInstance');14export const didNotFindHydratableInstance = emptyFnc('didNotFindHydratableInstance');...

Using AI Code Generation

1const { canHydrateInstance } = require('playwright/lib/server/dom');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 element = await page.$('input');8  const canHydrate = canHydrateInstance(element);9  console.log(canHydrate);10  await browser.close();11})();12const { canHydrateInstance } = require('playwright/lib/server/dom');13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch();16  const context = await browser.newContext();17  const page = await context.newPage();18  const element = await page.$('input');19  const canHydrate = canHydrateInstance(element);20  console.log(canHydrate);21  await browser.close();22})();23const { canHydrateInstance } = require('playwright/lib/server/dom');24const { chromium } = require('playwright');25(async () => {26  const browser = await chromium.launch();27  const context = await browser.newContext();28  const page = await context.newPage();29  const element = await page.$('input');30  const canHydrate = canHydrateInstance(element);31  console.log(canHydrate);32  await browser.close();33})();34const { canHydrateInstance } = require('playwright/lib/server/dom');35const { chromium } = require('playwright');36(async () => {37  const browser = await chromium.launch();38  const context = await browser.newContext();39  const page = await context.newPage();40  const element = await page.$('input');41  const canHydrate = canHydrateInstance(element);42  console.log(canHydr

Using AI Code Generation

1const { canHydrateInstance } = 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.$('text=Get started');7  console.log(await canHydrateInstance(element));8  await browser.close();9})();

Using AI Code Generation

1const { canHydrateInstance } = require('@playwright/test/lib/server/frames');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 element = await page.$('a');8  console.log(canHydrateInstance(element));9  await browser.close();10})();

Using AI Code Generation

1const playwright = require("playwright");2(async () => {3  const browser = await playwright.chromium.launch({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  const server = await page.context().newCDPSession(page);8  const res = await server.send("DOM.canHydrateInstance", {9  });10  console.log(res);11  await browser.close();12})();13{ result: true }

Using AI Code Generation

1const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');2const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');3const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');4const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');5const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');6const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');7const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');8const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');9const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');10const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');11const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');12const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');13const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');14const { canHydrateInstance } = require('/path/to/playwright/lib/server/dom.js');15const { canHydrateInstance }

Using AI Code Generation

1const { canHydrateInstance } = require('playwright/lib/server/webkit/wkPage');2const { Page } = require('playwright/lib/server/webkit/wkPage');3const page = new Page();4const canHydrate = canHydrateInstance(page);5const page2 = new Page();6const canHydrate2 = canHydrateInstance(page2);

Using AI Code Generation

1const { canHydrateInstance } = require('playwright/lib/server/frames');2const { launch } = require('playwright');3(async () => {4  const browser = await launch();5  const page = await browser.newPage();6  const element = await page.$('h1');7  console.log(canHydrateInstance(element));8  await browser.close();9})();10const { canHydrateInstance } = require('playwright-core/lib/server/frames');11const { chromium } = require('playwright-core');12(async () => {13  const browser = await chromium.launch();14  const page = await browser.newPage();15  const element = await page.$('h1');16  console.log(canHydrateInstance(element));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 element = await page.$('text=Get started');7  console.log(element)8  const canHydrate = await page.canHydrateInstance(element);9  console.log(canHydrate)10  if (canHydrate) {11    await page.hydrate(element);12  }13  await browser.close();14})();15ElementHandle {16  _context: BrowserContext {17    _browser: Browser {

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