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How to use getChildHostContext method in Playwright Internal
Best JavaScript code snippet using playwright-internal
babylonjs-renderer.spec.js
Source:babylonjs-renderer.spec.js 
...142 type,143 rootContainer,144 };145 expect(146 this.target({}).getChildHostContext(147 parentContext,148 type,149 rootContainer150 )151 ).eqls(expected);152 });153 });...
renderer.js
Source:renderer.js
1import Reconciler from 'react-reconciler'2import { createElement, updateElement } from './helpers.js'3const logRenderCalls = false4const getRootHostContext = (rootContainerInstance) => {5 if (logRenderCalls) log('getRootHostContext')6 return {}7}8const getChildHostContext = (9 parentHostContext,10 type,11 rootContainerInstance12) => {13 if (logRenderCalls) log('getChildHostContext')14 return parentHostContext15}16const getPublicInstance = (instance) => {17 if (logRenderCalls) log('getPublicInstance')18 return instance19}20const prepareForCommit = (containerInfo) => {21 // Noop22}23const resetAfterCommit = (containerInfo) => {24 // Noop25}26const createInstance = (27 type,28 props,29 rootContainerInstance,30 hostContext,31 internalInstanceHandle32) => {33 if (logRenderCalls) log('createInstance ' + type)34 return createElement(type, props)35}36const appendInitialChild = (parentInstance, child) => {37 if (logRenderCalls) log('appendInitialChild')38 if (parentInstance.name === 'Paragraph') {39 parentInstance.root.appendChild(child)40 } else {41 parentInstance.appendChild(child)42 }43}44const finalizeInitialChildren = (45 parentInstance,46 type,47 props,48 rootContainerInstance,49 hostContext50) => {51 if (logRenderCalls) log('finalizeInitialChildren')52 return false53}54const prepareUpdate = (55 instance,56 type,57 oldProps,58 newProps,59 rootContainerInstance,60 hostContext61) => {62 // Computes the diff for an instance. Fiber can reuse this work even if it63 // pauses or abort rendering a part of the tree.64 // log('prepareUpdate')65 return true66}67const shouldSetTextContent = (type, props) => {68 if (logRenderCalls) // log('shouldSetTextContent')69 return false70}71const shouldDeprioritizeSubtree = (type, props) => {72 if (logRenderCalls) log('shouldDeprioritizeSubtree')73 return false74}75const createTextInstance = (76 text,77 rootContainerInstance,78 hostContext,79 internalInstanceHandle80) => {81 if (logRenderCalls) log('createTextInstance: ' + text)82}83const scheduleTimeout = setTimeout84const cancelTimeout = clearTimeout85const noTimeout = 086const now = Date.now87const isPrimaryRenderer = true88const warnsIfNotActing = true89const supportsMutation = true90const appendChild = (parentInstance, child) => {91 if (logRenderCalls) log('appendChild')92 if (parentInstance.name == 'Paragraph') {93 parentInstance.root.appendChild(child)94 } else {95 parentInstance.appendChild(child)96 }97}98const appendChildToContainer = (parentInstance, child) => {99 if (logRenderCalls) log('appendChildToContainer')100 parentInstance.root = child101}102const commitTextUpdate = (textInstance, oldText, newText) => {103 if (logRenderCalls) log('commitTextUpdate')104 textInstance.text = newText105}106const commitMount = (instance, type, newProps, internalInstanceHandle) => {107 // Noop108}109const commitUpdate = (110 instance,111 updatePayload,112 type,113 oldProps,114 newProps,115 internalInstanceHandle116) => {117 if (logRenderCalls) log('commitUpdate')118 updateElement(instance, type, oldProps, newProps)119}120const insertBefore = (parentInstance, child, beforeChild) => {121 // TODO Move existing child or add new child?122 if (logRenderCalls) log('insertBeforeChild')123 log(parentInstance.name)124 parentInstance.insertBeforeChild(child, beforeChild)125}126const insertInContainerBefore = (parentInstance, child, beforeChild) => {127 if (logRenderCalls) log('Container does not support insertBefore operation')128}129const removeChild = (parentInstance, child) => {130 if (logRenderCalls) log('removeChild')131 parentInstance.removeChild(child)132}133const removeChildFromContainer = (parentInstance, child) => {134 if (logRenderCalls) log('removeChildFromContainer')135 // TODO undefined / placeholder136 parentInstance.root = new PlaceholderElement()137}138const resetTextContent = (instance) => {139 // Noop140}141const hostConfig = {142 getPublicInstance,143 getRootHostContext,144 getChildHostContext,145 prepareForCommit,146 resetAfterCommit,147 createInstance,148 appendInitialChild,149 finalizeInitialChildren,150 prepareUpdate,151 shouldSetTextContent,152 shouldDeprioritizeSubtree,153 createTextInstance,154 scheduleTimeout,155 cancelTimeout,156 noTimeout,157 now,158 isPrimaryRenderer,159 warnsIfNotActing,160 supportsMutation,161 appendChild,162 appendChildToContainer,163 commitTextUpdate,164 commitMount,165 commitUpdate,166 insertBefore,167 insertInContainerBefore,168 removeChild,169 removeChildFromContainer,170 resetTextContent,171}...
e68c4187258c40eb815c6820eb32e1371a3792ReactFiberHostContext.js
Source:e68c4187258c40eb815c6820eb32e1371a3792ReactFiberHostContext.js
...35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);45 }46 function popHostContext(fiber) {47 if (contextFiberStackCursor.current !== fiber) {48 return;49 }50 pop(contextStackCursor, fiber);51 pop(contextFiberStackCursor, fiber);52 }53 function resetHostContainer() {...
30afc5f3fbdabaccfe3e856bdb9a0ae08b6324ReactFiberHostContext.js
Source:30afc5f3fbdabaccfe3e856bdb9a0ae08b6324ReactFiberHostContext.js
...35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);45 }46 function popHostContext(fiber) {47 if (contextFiberStackCursor.current !== fiber) {48 return;49 }50 pop(contextStackCursor, fiber);51 pop(contextFiberStackCursor, fiber);52 }53 function resetHostContainer() {...
155aaf97649314d984baaeb9064d0e6efcdadcReactFiberHostContext.js
Source:155aaf97649314d984baaeb9064d0e6efcdadcReactFiberHostContext.js
...35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);45 }46 function popHostContext(fiber) {47 if (contextFiberStackCursor.current !== fiber) {48 return;49 }50 pop(contextStackCursor, fiber);51 pop(contextFiberStackCursor, fiber);52 }53 function resetHostContainer() {...
8193c972f72cdded6bdf7eabbb9a61639b21f8ReactFiberHostContext.js
Source:8193c972f72cdded6bdf7eabbb9a61639b21f8ReactFiberHostContext.js
...35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);45 }46 function popHostContext(fiber) {47 if (contextFiberStackCursor.current !== fiber) {48 return;49 }50 pop(contextStackCursor, fiber);51 pop(contextFiberStackCursor, fiber);52 }53 function resetHostContainer() {...
dcefc342e0dabab33f08a1fce5722c31fe7423ReactFiberHostContext.js
Source:dcefc342e0dabab33f08a1fce5722c31fe7423ReactFiberHostContext.js
...35 function pushHostContext(fiber) {36 var rootInstance = rootInstanceStackCursor.current;37 invariant(rootInstance != null, 'Expected root host context to exist. This error is likely caused by ' + 'a bug in React. Please file an issue.');38 var context = contextStackCursor.current !== null ? contextStackCursor.current : emptyObject;39 var nextContext = getChildHostContext(context, fiber.type, rootInstance);40 if (context === nextContext) {41 return;42 }43 push(contextFiberStackCursor, fiber, fiber);44 push(contextStackCursor, nextContext, fiber);45 }46 function popHostContext(fiber) {47 if (contextFiberStackCursor.current !== fiber) {48 return;49 }50 pop(contextStackCursor, fiber);51 pop(contextFiberStackCursor, fiber);52 }53 function resetHostContainer() {...
SlackRenderer.js
Source:SlackRenderer.js
...30 resetTextContent: noop,31 getRootHostContext: function getRootHostContext(rootInstance) {32 return getHostContextNode(rootInstance);33 },34 getChildHostContext: function getChildHostContext() {35 return {};36 },37 shouldSetTextContent: function shouldSetTextContent(type, props) {38 return false;39 },40 now: Date.now,41 useSyncScheduling: true,42 mutation: {43 appendChild: function appendChild(parentInstance, child) {44 parentInstance.appendChild(child);45 child.parent = parentInstance;46 },47 appendChildToContainer: function appendChildToContainer(parentInstance, child) {48 parentInstance.appendChild(child);...
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 const element = await page.$('div');7 const childHostContext = await page.evaluate(element => element._internalApi.getChildHostContext(), element);8 console.log(childHostContext);9 await browser.close();10})();11{
Using AI Code Generation
1const { Playwright } = require('playwright-core/lib/server/playwright');2const { Page } = require('playwright-core/lib/server/page');3const { Frame } = require('playwright-core/lib/server/frames');4const playwright = new Playwright();5const browser = await playwright.chromium.launch();6const context = await browser.newContext();7const page = await context.newPage();8const frame = await page.mainFrame();9const childFrame = await frame.addChildFrame();10console.log('childFrame', childFrame);11await browser.close();12const { Playwright } = require('playwright-core/lib/server/playwright');13const { Page } = require('playwright-core/lib/server/page');14const { Frame } = require('playwright-core/lib/server/frames');15const playwright = new Playwright();16const browser = await playwright.chromium.launch();17const context = await browser.newContext();18const page = await context.newPage();19const frame = await page.mainFrame();20const childFrame = await frame.addChildFrame();21console.log('childFrame', childFrame);22await browser.close();23const { Playwright } = require('playwright-core/lib/server/playwright');24const { Page } = require('playwright-core/lib/server/page');25const { Frame } = require('playwright-core/lib/server/frames');26const playwright = new Playwright();27const browser = await playwright.chromium.launch();28const context = await browser.newContext();29const page = await context.newPage();30const frame = await page.mainFrame();31const childFrame = await frame.addChildFrame();32console.log('childFrame', childFrame);33await browser.close();34const { Playwright } = require('playwright-core/lib/server/playwright');35const { Page } = require('playwright-core/lib/server/page');36const { Frame } = require('playwright-core/lib/server/frames');37const playwright = new Playwright();38const browser = await playwright.chromium.launch();39const context = await browser.newContext();40const page = await context.newPage();41const frame = await page.mainFrame();42const childFrame = await frame.addChildFrame();43console.log('childFrame', childFrame);44await browser.close();45const { Playwright } = require('playwright-core/lib/server
Using AI Code Generation
1const { context } = require('playwright');2const { getChildHostContext } = context;3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const page = await browser.newPage();7 const element = await page.$('html');8 const childContext = getChildHostContext(element);9 console.log(childContext);10 await browser.close();11})();12Output: {13}14const { context } = require('playwright');15const { getChildHostContext } = context;16const { chromium } = require('playwright');17(async () => {18 const browser = await chromium.launch();19 const page = await browser.newPage();20 const element = await page.$('html');21 const childContext = getChildHostContext(element);22 console.log(childContext);23 await browser.close();24})();25Output: {26}27const { context } = require('playwright');28const { getChildHostContext } = context;29const { chromium } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const page = await browser.newPage();33 const element = await page.$('html');34 const childContext = getChildHostContext(element);35 console.log(childContext);36 await browser.close();37})();38Output: {39}40const { context } = require('playwright');41const { getChildHost
Using AI Code Generation
1const { context } = require(‘./node_modules/playwright/lib/server/browserContext.js’);2const { Page } = require(‘./node_modules/playwright/lib/server/page.js’);3const { Frame } = require(‘./node_modules/playwright/lib/server/frames.js’);4const { ElementHandle } = require(‘./node_modules/playwright/lib/server/dom.js’);5const { JSHandle } = require(‘./node_modules/playwright/lib/server/jsHandle.js’);6const { helper } = require(‘./node_modules/playwright/lib/helper.js’);7const { contextBridge } = require(‘electron’);8contextBridge.exposeInMainWorld( 9‘playwright’, {10 getChildHostContext: (child, parent) => {11 return context.getChildHostContext(child, parent);12 }13 }14);15const { contextBridge, ipcRenderer } = require(‘electron’);16contextBridge.exposeInMainWorld( 17‘electron’, {18 }19);20const { ipcRenderer } = require(‘electron’);21const { contextBridge } = require(‘electron’);22contextBridge.exposeInMainWorld( 23‘electron’, {24 }25);26const { app, BrowserWindow, ipcMain } = require(‘electron’);27const { contextBridge } = require(‘electron’);28const { context } = require(‘./node_modules/playwright/lib/server/browserContext.js’);29const { Page } = require(‘./node_modules/playwright/lib/server/page.js’);30const { Frame } = require(‘./node_modules/playwright/lib/server/frames.js’);31const { ElementHandle } = require(‘./node_modules/playwright/lib/server/dom.js’);32const { JSHandle } = require(‘./node_modules/playwright/lib/server/jsHandle.js’);33const { helper } = require(‘./node_modules/playwright/lib/helper.js’);34const playwright = require(‘playwright’);35let win;36function createWindow () {37 win = new BrowserWindow({
Using AI Code Generation
1const { getChildHostContext } = require('playwright/lib/server/dom/elementHandler');2const { createJSHandle } = require('playwright/lib/server/dom/elementHandleDispatcher');3const { ElementHandle } = require('playwright/lib/server/dom/elementHandle');4const { parseSelector } = require('playwright/lib/server/selectors/selectorParser');5const { evaluateHandle } = require('playwright/lib/server/common/helper');6const { createFrameExecutionContext } = require('playwright/lib/server/dom/frameExecutionContext');7const { createExecutionContext } = require('playwright/lib/server/dom/executionContext');8const { context, page } = require('playwright');9const frame = page.mainFrame();10const childContext = getChildHostContext(frame);11const childExecutionContext = createFrameExecutionContext(childContext, frame);12const parentExecutionContext = createExecutionContext(page.mainFrame());13const selector = parseSelector('css=div');14const elementHandle = await evaluateHandle(parentExecutionContext, selector, false);15const jsHandle = createJSHandle(childExecutionContext, elementHandle);16const elementHandle = new ElementHandle(childExecutionContext, jsHandle, 'div');17const element = await elementHandle.innerHTML();
Using AI Code Generation
1const { chromium } = require('playwright');2const { getTestState } = require('playwright-core/lib/server/test');3const { getPlaywright } = require('playwright-core/lib/server/playwright');4const { ChildHostContext } = require('playwright-core/lib/server/browserType');5(async () => {6 const browser = await chromium.launch();7 const context = await browser.newContext();8 const page = await context.newPage();9 const testState = getTestState();10 const playwright = getPlaywright(testState);11 const childHostContext = new ChildHostContext(playwright, testState);12 await childHostContext.initialize();13 const childContext = await childHostContext.createChildContext({14 viewport: { width: 100, height: 200 },15 });16 await childContext.close();17 await childHostContext.close();18 await browser.close();19})();20const { chromium } = require('playwright');21const { getTestState } = require('playwright-core/lib/server/test');22const { getPlaywright } = require('playwright-core/lib/server/playwright');23(async () => {24 const browser = await chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 const testState = getTestState();28 const playwright = getPlaywright(testState);29 const childContext = await context.newContext({30 viewport: { width: 100, height: 200 },31 });32 await childContext.close();33 await context.close();34 await browser.close();35})();
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