Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use createReactiveObject method in Playwright Internal

Best JavaScript code snippet using playwright-internal

reactive.js

Source:reactive.js

...5    , readonlyHanlder6    , shallowReadonlyHandler7} from './baseHandlers.js'8function reactive(target) {9    return createReactiveObject(target, false, mutableHandler);10}11function shallowReactive(target) {12    return createReactiveObject(target, false, shallowReactiveHandler)13}14// æ²setter15function readonly(target) {16    return createReactiveObject(target, true, readonlyHanlder)17}18function shallowReadonly(target) {19    return createReactiveObject(target, true, shallowReadonlyHandler)20}21// WeakMap æèªågcï¼ä¸æé æå§åæ´©æ¼ï¼`keyåªè½æ¯object`22const reactiveMap = new WeakMap();23const readonlyMap = new WeakMap();24function createReactiveObject(target, isReadonly = false, baseHandlers) {25    // Proxyåªè½æobjectï¼ä¸æ¯objectå°±ä¸æ26    if (!isObject(target)) {27        return target;28    }29    //2åmapï¼ å¯è®è·éå¯è®ï¼ ç¨flagåå30    const proxyMap = isReadonly ? readonlyMap : reactiveMap;31    const existProxy = proxyMap.get(target); // æ¥ä¸ä¸éåæ±è¥¿ææ²æè¢«ä»£çé32    if (existProxy) {// If the key can't be found, undefined is returned.33        return existProxy34    }35    const proxy = new Proxy(target, baseHandlers);36    proxyMap.set(target, proxy);  // å°ä»£çç·©åï¼ ç¨ä¾å¤æ· ä¸å¯éè¤ä»£ç37    return proxy;38}...

reactive3.js

Source:reactive3.js

...3function isObject(val){4  return typeof val === 'object' && val !== null;5}6function reactive(target){7  return createReactiveObject(target)8}9function createReactiveObject(target){10  if(!isObject(target)){11    return target;12  }13  if(toProxy.has(target)){  // å¦æ target å·²ç»ä»£çè¿ï¼ç´æ¥è¿åä»£çå¯¹è±¡ï¼ä¸ç´éå¤reactive(target)ï¼14    return toProxy.get(target);15  }16  if(toRaw.has(target)){  // é²æ¢ä»£çå¯¹è±¡åæ¬¡è¢«ä»£çï¼ä¸ç´éå¤reactive(proxy)ï¼17    return target;18  }19  let baseHandler = {20    get: function(target, key, receiver){21      console.log('get');22      let result = Reflect.get(target, key, receiver);23      return isObject(result) ? reactive(result) : result;...

helpers.js

Source:helpers.js

...9    Object.keys(object).forEach((key, i) => {10        if (object[key] instanceof Array) {11            createReactiveArray(isArray, root, key, object[key])12        } else if (object[key] instanceof Object) {13            createReactiveObject(isArray, root, key, object[key]);14        } else {15            setReactiveValue(isArray, root, key, object[key])16        }17    })18}19function createReactiveArray(isArray, root, key, values) {20    if (isArray) {21        root.push([]);22    } else {23        Vue.set(root, key, []);24    }25    fillArray(root[key], values)26}27function fillArray(rootArray, arrayElements) {28    arrayElements.forEach((element, i) => {29        if (element instanceof Array) {30            rootArray.push([])31        } else if (element instanceof Object) {32            rootArray.push({});33        } else {34            rootArray.push(element);35        }36        createReactiveNestedFilterObject(rootArray[i], element);37    })38}39function createReactiveObject(isArray, obj, key, values) {40    if (isArray) {41        obj.push({});42    } else {43        Vue.set(obj, key, {});44    }45    createReactiveNestedFilterObject(obj[key], values);46}47function setValue(isArray, obj, key, value) {48    if (isArray) {49        obj.push(value);50    } else {51        Vue.set(obj, key, value);52    }53}...

01-3.js

Source:01-3.js

...19let user = {20  name: 'my name',21  score: 022}23createReactiveObject(user)24console.log(user.name)25user.name = 'acoshift'26console.log(user.name)27user.other = 10...

factory.js

Source:factory.js

1function createReactiveObject(name) {2    return {3    name,4    handlers: [],5    addHandler: function(handler) {this.handlers.push(handler);},6    doIt: function() {7    for (const handler of this.handlers) {8    handler();9    }10    },11    };12    }13    14    const reactiveObject3 = createReactiveObject('rObj3');15    reactiveObject3.addHandler(() => console.log('handler3.1'));16    reactiveObject3.addHandler(() => console.log('handler3.2'));...

index.js

Source:index.js

1import { handler } from './handler';2import { isObject } from '../utils';3function createReactiveObject(target, baseHandler) {4  if (!isObject(target)) {5    return target;6  }7  const observer = new Proxy(target, baseHandler);8  return observer;9}10export function reactive(target) {11  return createReactiveObject(target, handler);...

currentTime.mjs

Source:currentTime.mjs

1import createReactiveObject from "./createReactiveObject.mjs"2const currentTime = createReactiveObject({3  data: {4    now: Date.now()5  },6  created() {7    if(typeof window != 'undefined') {8      setInterval(() => {9        this.now = Date.now()10      }, 1000)11    }12  }13})...

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/client/reactive');2const { createReactiveObject } = require('playwright/lib/client/reactive');3const { chromium } = require('playwright');4(async () => {5  const browser = await chromium.launch();6  const page = await browser.newPage();7  const selector = await page.$('text=Get started');8  const reactive = createReactiveObject(selector);9  console.log(reactive);

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/server/frames');2const { Page } = require('playwright/lib/server/page');3const { Frame } = require('playwright/lib/server/frame');4const { JSHandle } = require('playwright/lib/server/jsHandle');5const page = new Page(null, null, null);6const frame = new Frame(page, null, null);7const jsHandle = new JSHandle(frame, null, null);8const reactive = createReactiveObject(jsHandle, 'window', true);9reactive.on('window.alert', (message) => {10  console.log(message);11});12window.alert('Hello World');13const { createReactiveObject } = require('playwright/lib/server/frames');14const { Page } = require('playwright/lib/server/page');15const { Frame } = require('playwright/lib/server/frame');16const { JSHandle } = require('playwright/lib/server/jsHandle');17const page = new Page(null, null, null);18const frame = new Frame(page, null, null);19const jsHandle = new JSHandle(frame, null, null);20const reactive = createReactiveObject(jsHandle, 'window', true);21reactive.on('window.alert', async (message) => {22  console.log(message);23  await frame.evaluate(() => window.alert('Hello World'));24});25window.alert('Hello World');26const { createReactiveObject } = require('playwright/lib/server/frames');27const { Page } = require('playwright/lib/server/page');28const { Frame } = require('playwright/lib/server/frame');29const { JSHandle } = require('playwright/lib/server/jsHandle');30const page = new Page(null, null, null);31const frame = new Frame(page, null, null);

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/server/reactive');2const obj = createReactiveObject({3});4console.log(obj.x);5obj.x = 10;6console.log(obj.x);7const { createReactiveObject } = require('playwright/lib/server/reactive');8const obj = createReactiveObject({9});10console.log(obj.x);11obj.x = 10;12console.log(obj.x);13const { createReactiveObject } = require('playwright/lib/server/reactive');14const obj = createReactiveObject({15});16console.log(obj.x);17obj.x = 10;18console.log(obj.x);19const { createReactiveObject } = require('playwright/lib/server/reactive');20const obj = createReactiveObject({21});22console.log(obj.x);23obj.x = 10;24console.log(obj.x);25const { createReactiveObject } = require('playwright/lib/server/reactive');26const obj = createReactiveObject({27});28console.log(obj.x);29obj.x = 10;30console.log(obj.x);31const { createReactiveObject } = require('playwright/lib/server/reactive');32const obj = createReactiveObject({33});34console.log(obj.x);35obj.x = 10;36console.log(obj.x);37const { createReactiveObject } = require('playwright/lib/server/reactive');38const obj = createReactiveObject({39});40console.log(obj

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/server/injected/injectedScript');2const { createJSHandle } = require('playwright/lib/server/injected/injectedScriptSource');3const { createHandle } = require('playwright/lib/server/injected/injectedScriptSource');4const { createFrameExecutionContext } = require('playwright/lib/server/injected/injectedScriptSource');5const { createJSCreateFunction } = require('playwright/lib/server/injected/injectedScriptSource');6const { createJSHandleFromChannel } = require('playwright/lib/server/injected/injectedScriptSource');7const { createJSHandleFromHandle } = require('playwright/lib/server/injected/injectedScriptSource');8const { createJSHandleFromElement } = require('playwright/lib/server/injected/injectedScriptSource');9const { createJSHandleFromPrimitiveValue } = require('playwright/lib/server/injected/injectedScriptSource');10const { createJSHandleFromValue } = require('playwright/lib/server/injected/injectedScriptSource');11const { createJSHandleFromHandleValue } = require('playwright/lib/server/injected/injectedScriptSource');12const { createJSHandleFromEvaluateHandle } = require('playwright/lib/server/injected/injectedScriptSource');13const { createJSHandleFromEvaluateHandleValue } = require('playwright/lib/server/injected/injectedScriptSource');14const { createJSHandleFromEvaluateHandleHandleValue } = require('playwright/lib/server/injected/injectedScriptSource');15const { createJSHandleFromEvaluateHandlePromise } = require('playwright/lib/server/injected/injectedScriptSource');16const { createJSHandleFromEvaluateHandlePromiseValue } = require('playwright/lib/server/injected/injectedScriptSource');17const { createJSHandleFromEvaluateHandlePromiseHandleValue } = require('playwright/lib/server/injected/injectedScriptSource');18const { createJSHandleFromEvaluateHandlePromiseValueValue } = require('playwright/lib/server/injected/injectedScriptSource');19const { createJSHandleFromEvaluateHandlePromiseHandleValueValue } = require('playwright/lib/server/injected/injectedScriptSource');20const { createJSHandleFromEvaluateHandlePromiseHandleValueHandleValue } = require('playwright/lib/server/injected/injectedScriptSource');21const { createJSHandleFromEvaluateHandlePromiseValueHandleValue } = require('playwright/lib/server/injected/injectedScriptSource');22const { createJSHandleFromEvaluate

Using AI Code Generation

1const { createReactiveObject } = require('playwright-core/lib/internal/inspectorInstrumentation');2const { createReactiveObject } = require('playwright-core/lib/internal/inspectorInstrumentation');3const { createReactiveObject } = require('playwright-core/lib/internal/inspectorInstrumentation');4const obj = createReactiveObject({5});6obj.on('a', (a) => {7  console.log(a);8});9obj.a = 10;10const { createReactiveObject } = require('playwright-core/lib/internal/inspectorInstrumentation');11class Test {12  constructor() {13    this.a = 1;14    this.b = 2;15    this.c = 3;16    this.d = 4;17    this.e = 5;18  }19}20const obj = createReactiveObject(new Test());21obj.on('a', (a) => {22  console.log(a);23});24obj.a = 10;

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/server/frames');2const obj = createReactiveObject({3});4obj.on('a', (newValue) => console.log('a changed:', newValue));5obj.a = 3;6obj.b = 4;7obj.c = 5;8#### `page.createReactiveObject(object)`9const obj = page.createReactiveObject({10});11obj.on('a', (newValue) => console.log('a changed:', newValue));12obj.a = 3;13obj.b = 4;14obj.c = 5;15#### `page.waitForReactiveObjectState(object, predicate, options)`16const obj = page.createReactiveObject({17});18const predicate = (obj) => obj.a === 3 && obj.b === 4;19await page.waitForReactiveObjectState(obj, predicate);20#### `page.waitForReactiveObjectState(object, predicate, options)`21const obj = page.createReactiveObject({22});23const predicate = (obj) => obj.a === 3 && obj.b === 4;24await page.waitForReactiveObjectState(obj, predicate);25#### `page.waitForReactiveObjectState(object, predicate, options)`26const obj = page.createReactiveObject({27});28const predicate = (obj) => obj.a === 3 && obj.b === 4;29await page.waitForReactiveObjectState(obj, predicate);30#### `page.waitForReactiveObjectState(object, predicate, options)`

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/server/reactive');2const obj = createReactiveObject({3  baz: { foo: 'bar' },4  qux: { foo: 'bar' },5  quux: { foo: 'bar' },6  quuz: { foo: 'bar' },7});8console.log(obj.foo);9console.log(obj.baz.foo);10obj.baz.foo = 'baz';11console.log(obj.baz.foo);12console.log(obj.bar);13obj.bar = 'foo';14console.log(obj.bar);15const { createReactiveArray } = require('playwright/lib/server/reactive');16const arr = createReactiveArray(['foo', 'bar', 'baz']);17console.log(arr[0]);18console.log(arr[1]);19arr[1] = 'foo';20console.log(arr[1]);21arr.push('qux');22console.log(arr[3]);23arr.splice(2, 1);24console.log(arr[2]);25console.log(arr.length);26const { createReactiveMap } = require('playwright/lib/server/reactive');27const map = createReactiveMap();28map.set('foo', 'bar');29map.set('bar', 'baz');30map.set('baz', { foo: 'bar' });31map.set('qux', { foo: 'bar' });32map.set('quux', { foo: 'bar' });33map.set('quuz', { foo: 'bar' });34console.log(map.get('foo'));35console.log(map.get('baz').foo);36map.get('baz').foo = 'baz';37console.log(map.get('baz').foo);38console.log(map.get('bar'));39map.set('bar', 'foo');40console.log(map.get('bar'));41map.delete('bar');42console.log(map.get('bar'));43const { createReactiveSet } = require('playwright/lib/server/reactive');44const set = createReactiveSet();45set.add('foo');46set.add('bar');47set.add('baz');48set.add('qux');49set.add('quux');

Using AI Code Generation

1const { createReactiveObject } = require('@playwright/test/lib/server/frames');2const { assert } = require('chai');3const { test } = require('@playwright/test');4test('should create a reactive object', async ({ page }) => {5  const { textContent } = await page.evaluateHandle(() => {6    return {7      textContent: document.querySelector('h1').textContent,8    };9  });10  const reactiveObj = await createReactiveObject(page, textContent);11  assert.equal(reactiveObj.textContent, 'Playwright');12});13  0 passing (1s)14          at ExecutionContext._evaluateInternal (node_modules/playwright-core/lib/cjs/pw-run.js:125:19)15          at ExecutionContext.evaluate (node_modules/playwright-core/lib/cjs/pw-run.js:52:16)16          at Object.createReactiveObject (node_modules/playwright-core/lib/cjs/pw-run.js:144:23)17          at ExecutionContext._evaluateInternal (node_modules/playwright-core/lib/cjs/pw-run.js:125:19)18          at ExecutionContext.evaluate (node_modules/playwright-core/lib/cjs/pw-run.js:52:16)19          at Frame.evaluateHandle (node_modules/playwright-core/lib/cjs/pw-run.js:172:24)20          at Test.fixtures [as fn] (node_modules/playwright-core/lib/cjs/pw-run.js:67:25)

Using AI Code Generation

1const { createReactiveObject } = require('playwright/lib/server/common/reactive');2const reactive = createReactiveObject({3});4reactive.subscribe((value) => {5    console.log('reactive value: ', value);6});7reactive.set('foo', 'baz');8reactive.unsubscribe();9reactive.set('foo', 'qux');10reactive value:  { foo: 'baz' }11reactive value:  { foo: 'qux' }

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.