How to use isReactive method in Playwright Internal

Best JavaScript code snippet using playwright-internal

select2.js

Source:select2.js Github

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1import { Template } from 'meteor/templating';2import { ReactiveVar } from 'meteor/reactive-var';3import { Tracker } from 'meteor/tracker';4import { _ } from 'meteor/underscore';5import { $ } from 'meteor/jquery';6import { OHIF } from 'meteor/ohif:core';7/*8 * input: controls a select2 component9 */10OHIF.mixins.select2 = new OHIF.Mixin({11 dependencies: 'select',12 composition: {13 onCreated() {14 const instance = Template.instance();15 const { component, data } = instance;16 // Controls select2 initialization17 instance.isInitialized = false;18 // Set the custom focus flag19 component.isCustomFocus = true;20 const valueMethod = component.value;21 component.value = value => {22 if (_.isUndefined(value) && !instance.isInitialized) {23 if (!_.isUndefined(instance.data.value)) return instance.data.value;24 if (!_.isUndefined(component.defaultValue)) return component.defaultValue;25 return;26 }27 return valueMethod(value);28 };29 // Utility function to get the dropdown jQuery element30 instance.getDropdownContainerElement = () => {31 const $select2 = component.$element.nextAll('.select2:first');32 const containerId = $select2.find('.select2-selection').attr('aria-owns');33 return $(`#${containerId}`).closest('.select2-container');34 };35 // Check if this select will include a placeholder36 const placeholder = data.options && data.options.placeholder;37 if (placeholder) {38 instance.autorun(() => {39 // Get the option items40 let items = data.items;41 // Check if the items are reactive and get them if true42 const isReactive = items instanceof ReactiveVar;43 if (isReactive) {44 items = items.get();45 }46 // Check if there is already an empty option on items list47 // Note: If this is a multi-select input. Do not add a placeholder48 const isMultiple = instance.data.options && instance.data.options.multiple;49 if (!_.findWhere(items, { value: '' }) && isMultiple === false) {50 // Clone the current items51 const newItems = _.clone(items) || [];52 newItems.unshift({53 label: placeholder,54 value: ''55 });56 // Set the new items list including the empty option57 if (isReactive) {58 data.items.set(newItems);59 } else {60 data.items = newItems;61 }62 }63 });64 }65 },66 onRendered() {67 const instance = Template.instance();68 const { component, data } = instance;69 // Destroy and re-create the select2 instance70 instance.rebuildSelect2 = () => {71 // Destroy the select2 instance if exists and re-create it72 if (component.select2Instance) {73 component.select2Instance.destroy();74 }75 // Clone the options and check if the select2 should be initialized inside a modal76 const options = _.clone(data.options);77 const $closestModal = component.$element.closest('.modal');78 if ($closestModal.length) {79 options.dropdownParent = $closestModal;80 }81 // Apply the select2 to the component82 component.$element.select2(options);83 // Store the select2 instance to allow its further destruction84 component.select2Instance = component.$element.data('select2');85 // Get the focusable elements86 const elements = [];87 const $select2 = component.$element.nextAll('.select2:first');88 const $select2Selection = $select2.find('.select2-selection');89 elements.push(component.$element[0]);90 elements.push($select2Selection[0]);91 // Attach focus and blur handlers to focusable elements92 $(elements).on('focus', event => {93 instance.isFocused = true;94 if (event.target === event.currentTarget) {95 // Show the state message on elements focus96 component.toggleMessage(true);97 }98 }).on('blur', event => {99 instance.isFocused = false;100 if (event.target === event.currentTarget) {101 // Hide the state message on elements blur102 component.toggleMessage(false);103 }104 });105 // Redirect keydown events from input to the select2 selection handler106 component.$element.on('keydown ', event => {107 event.preventDefault();108 $select2.find('.select2-selection').trigger(event);109 });110 // Keep focus on element if ESC was pressed111 $select2.on('keydown ', event => {112 if (event.which === 27) {113 instance.component.$element.focus();114 }115 });116 // Handle dropdown opening when focusing the selection element117 $select2Selection.on('keydown ', event => {118 const skipKeys = new Set([8, 9, 12, 16, 17, 18, 20, 27, 46, 91, 93]);119 const functionKeysRegex = /F[0-9]([0-9])?$/;120 const isFunctionKey = functionKeysRegex.test(event.key);121 if (skipKeys.has(event.which) || isFunctionKey) {122 return;123 }124 event.preventDefault();125 event.stopPropagation();126 // Open the select2 dropdown127 instance.component.$element.select2('open');128 // Check if the pressed key will produce a character129 const searchSelector = '.select2-search__field';130 const $search = component.select2Instance.$dropdown.find(searchSelector);131 const isChar = OHIF.ui.isCharacterKeyPress(event);132 const char = event.key;133 if ($search.length && isChar && char.length === 1) {134 // Event needs to be triggered twice to work properly with this plugin135 $search.val(char).trigger('input').trigger('input');136 }137 });138 // Set select2 as initialized139 instance.isInitialized = true;140 };141 instance.autorun(() => {142 // Run this computation every time the reactive items suffer any changes143 const isReactive = data.items instanceof ReactiveVar;144 if (isReactive) {145 data.items.dep.depend();146 }147 if (isReactive) {148 // Keep the current value of the component149 const currentValue = component.value();150 const wasFocused = instance.isFocused;151 Tracker.afterFlush(() => {152 component.$element.val(currentValue);153 instance.rebuildSelect2();154 if (wasFocused) {155 component.$element.focus();156 }157 });158 } else {159 instance.rebuildSelect2();160 }161 });162 },163 events: {164 // Focus element when selecting a value165 'select2:select'(event, instance) {166 instance.component.$element.focus();167 },168 // Focus the element when closing the dropdown container using ESC key169 'select2:open'(event, instance) {170 const { minimumResultsForSearch } = instance.data.options;171 if (minimumResultsForSearch === Infinity || minimumResultsForSearch === -1) return;172 const $container = instance.getDropdownContainerElement();173 if (!instance.data.wrapText) {174 $container.addClass('select2-container-nowrap');175 }176 const $searchInput = $container.find('.select2-search__field');177 $searchInput.on('keydown.focusOnFinish', event => {178 const keys = new Set([9, 13, 27]);179 if (keys.has(event.which)) {180 $searchInput.off('keydown.focusOnFinish');181 instance.component.$element.focus();182 }183 });184 }185 },186 onDestroyed() {187 const instance = Template.instance();188 const { component } = instance;189 // Destroy the select2 instance to remove unwanted DOM elements190 if (component.select2Instance) {191 component.select2Instance.destroy();192 }193 }194 }...

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index.js

Source:index.js Github

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...36// =================== markRaw =======================37// 标记一个对象，这个对象永不能转为 proxy, 返回对象本身38export function useMarkRaw() {39 const foo = markRaw({})40 console.log(isReactive(foo)) // false41 // 嵌套在其他对象中时，依然正常工作42 const bar = reactive({ foo })43 console.log(isReactive(bar.foo)) // false44}45// markRaw 和 shallowXXX APIs 让你有选择的阻止默认的深层 reactive/readonly 转换46// 和在state中嵌套原生、非代理对象47// 有如下几个理由：48// 1. 一些值不应该转为响应式的，如第三方类的实例， Vue component object49// 2. 渲染不可更改数据的大列表的时候，可跳过响应式转换50// 它们之所以被当作高级的是因为 raw opt-out 仅发生在根层面上51// 所以如果你在一个响应式对象里设置一个嵌套的，没标记的原生对象，然后重新获取52// 你实际上得到的是被代理后的版本53// 这可能会导致 identity hazards: i.e. performing an operation that relies54// on object identity but using both the raw and the proxied version55// of the same object:56const foo = markRaw({57 nested: {}58})59const bar = reactive({60 // although `foo` is marked as raw, foo.nested is not.61 nested: foo.nested62})63console.log(foo.nested === bar.nested) // false64// Identity hazards are in general rare. But to properly utilize65// these APIs while safely avoiding identity hazards requires a solid66// understanding of how the reactivity system works.67// ======================= shallowReadonly =====================68// Create a proxy that makes its own properties readonly,69// but does not perform deep readonly conversion of nested70// objects (exposes raw values).71// 创建一个仅把自身属性变为 readonly 的代理，不会对嵌套其中的对象进行深层的只读转换（暴露原生对象）72export function useShollowReadonly() {73 const state = shallowReadonly({74 foo: 1,75 nested: {76 bar: 277 }78 })79 80 // mutating state's own properties will fail81 state.foo++82 // ...but works on nested objects83 isReadonly(state.nested) // false84 state.nested.bar++ // works85}86// ======================== shallowReactive =====================87// 创建一个仅追踪根属性的响应式代理，不会对嵌套其中的对象进行深层的响应式转换（暴露原生对象）88export function useShallowReactive() {89 const state = shallowReactive({90 foo: 1,91 nested: {92 bar: 293 }94 })95 96 // mutating state's own properties is reactive97 state.foo++98 // ...but does not convert nested objects99 isReactive(state.nested) // false100 state.nested.bar++ // non-reactive101}102// ================== shallowRef =====================103// 创建一个 ref, 追踪它的 value 值的变动， 但它的 value 却不是响应式的104// Create a ref that tracks its own .value mutation but doesn't105// make its value reactive.106export function useShallowRef() {107 const foo = shallowRef({})108 // mutating the ref's value is reactive109 foo.value = {}110 // but the value will not be converted.111 isReactive(foo.value) // false112}113// ================== toRaw =======================114// Return the raw, original object of a reactive or readonly proxy. 115// This is an escape hatch that can be used to temporarily read without116// incurring proxy access / tracking overhead or write without triggering117// changes. It is not recommended to hold a persistent reference to the 118// original object. Use with caution.119const foo = {}120const reactiveFoo = reactive(foo)...

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reactive.spec.js

Source:reactive.spec.js Github

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...7 let a = 1;8 effect(() => a = observed.foo );9 observed.foo = 2;10 expect(a).toBe(2);11 expect(isReactive(observed)).toBe(true);12 expect(isReactive(original)).toBe(false);13 });14 test("Array类型", () => {15 const original = [{ foo: 1 }];16 const observed = reactive(original);17 expect(observed).not.toBe(original);18 expect(isReactive(observed)).toBe(true);19 expect(isReactive(original)).toBe(false);20 expect(isReactive(observed[0])).toBe(true);21 });22 test("Array嵌套数组", () => {23 const original = [{ foo: 1, a: { b: { c: 1 } }, arr: [{ d: {} }] }];24 const observed = reactive(original);25 expect(observed).not.toBe(original);26 expect(isReactive(observed)).toBe(true);27 expect(isReactive(original)).toBe(false);28 expect(isReactive(observed[0])).toBe(true);29 expect(isReactive(observed[0].a.b)).toBe(true);30 expect(isReactive(observed[0].arr[0].d)).toBe(true);31 });32 test("修改原对象", () => {33 let original = { foo: 1 };34 const observed = reactive(original);35 // set36 original.bar = 1;37 expect(observed.bar).toBe(1);38 expect(original.bar).toBe(1);39 // delete40 delete original.foo;41 expect("foo" in observed).toBe(false);42 expect("foo" in original).toBe(false);43 });44 test("重复reactive", () => {45 const original = { foo: 1 };46 const observed = reactive(original);47 const observed2 = reactive(observed);48 expect(observed2).toBe(observed);49 });50 test("原始数据toRaw", () => {51 const original = { foo: 1 };52 const observed = reactive(original);53 expect(toRaw(observed)).toBe(original);54 expect(toRaw(original)).toBe(original);55 });56 test("原始数据类型", () => {57 const original = new Date();58 const observed = reactive(original);59 expect(observed).toBe(original);60 expect(isReactive(observed)).toBe(false);61 });62 test("Ref Test", () => {63 let age = 12;64 let ageRef = ref('age');65 let data = '';66 effect(() => data = ageRef.value);67 ageRef.value = '24';68 expect(data).toBe('24');69 });70 test("toRef 用于为源响应式对象上的属性新建一个ref，从而保持对其源对象属性的响应式连接。", () => {71 let original = { title: 'Blog', author: 'zjl'};72 let observed = reactive(original);73 let authRef = toRef(observed, 'author');74 let data = '';75 effect(() => data = authRef.value);76 authRef.value = 'yyq';77 expect(data).toBe('yyq');78 });79 test("因为在对一个响应式对象直接解构时解构后的数据将不再有响应式，而使用toRefs可以方便解决这一问题", () => {80 let original = { title: 'Blog', author: 'zjl'};81 let observed = reactive(original);82 let { title, author } = toRefs(observed);83 let mytitle, myauthor;84 effect(() => {mytitle = title.value; myauthor = author.value;});85 title.value = 'new blog';86 author.value = 'yyq';87 expect(mytitle).toBe('new blog');88 expect(myauthor).toBe('yyq');89 });90 test("ReadOnly 获取源对象（响应式或纯对象获取一个对象 (响应式或纯对象) 或 ref 并返回原始代理的只读代理。", () => {91 let original = { count: 1};92 let reactived = reactive(original);93 let origin_readonly = readonly(original);94 expect(origin_readonly.count).toBe(1);95 original.count ++;96 expect(origin_readonly.count).toBe(2);97 });98 test("shallowReactive创建一个响应式代理，该代理跟踪其自身 property 的响应性，但不执行嵌套对象的深度响应式转换 (暴露原始值)", () => {99 let original = { count: 1, nested: { bar: 2 }};100 let shadow = shallowReactive(original);101 let count = shadow.count;102 effect(() => {count = shadow.count;});103 shadow.count ++;104 expect(count).toBe(2);105 expect(isReactive(shadow.nested)).toBe(false);106 });107 test("watch 侦听特定的 data 源，并在单独的回调函数中副作用。默认情况下，它也是惰性的", () => {108 let original = { count: 1, nested: { bar: 2 }};109 let shadow = shallowReactive(original);110 // 直接侦听一个响应式对象111 // watch(shadow, (shadow, preShadow) => {112 // console.log(shadow, preShadow);113 // })114 let count = toRef(original, 'count');115 // 直接侦听一个ref116 watch(count, (count, preCount) => {117 console.log(count.value, preCount.value);118 })119 count.value ++;...

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response.js

Source:response.js Github

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1import router from '@/router.js'2import Vue from 'vue'3class Response {4 constructor (objRaw) {5 this.raw = objRaw.data6 this.headers = objRaw.headers7 this.isReactive = false8 if (this.headers !== undefined) {9 if (this.headers.authorization !== undefined) {10 sessionStorage.setItem('user-token', this.headers.authorization)11 }12 }13 this.setReactivity = isReactive => {14 this.isReactive = isReactive15 }16 this.deepFreeze = object => {17 // Retrieve the property names defined on object18 if (object === undefined || object === null) {19 return object20 }21 var propNames = Object.getOwnPropertyNames(object)22 // Freeze properties before freezing self23 for (let name of propNames) {24 let value = object[name]25 object[name] =26 value && typeof value === 'object' ? this.deepFreeze(value) : value27 }28 return Object.freeze(object)29 }30 this.getRaw = function (isReactive = false) {31 return isReactive ? this.raw : this.deepFreeze(this.raw)32 }33 this.getHeaders = function () {34 return this.headers35 }36 this.showElement = function (strDocId) {37 if (strDocId != null) {38 var x = document.getElementById(strDocId)39 if (x.style.display === 'none') {40 x.style.display = 'block'41 }42 }43 }44 this.hideElement = function (strDocId) {45 console.log(strDocId)46 if (strDocId != null) {47 var x = document.getElementById(strDocId)48 x.style.display = 'none'49 }50 }51 this.getActivity = function (strActivity, isReactive = false) {52 // TODO: if calling auto set the local cache property53 if (strActivity.split('_').length > 1) {54 // alert('query')55 return isReactive56 ? this.raw.FetchQueryData.result[strActivity.substring('query_'.length, strActivity.length)]57 : this.deepFreeze(58 this.raw.FetchQueryData.result[strActivity.substring('query_'.length, strActivity.length)]59 )60 } else {61 return isReactive62 ? this.raw[strActivity]63 : this.deepFreeze(this.raw[strActivity])64 }65 }66 this.Navigate = function (67 str_routeName = null,68 str_activityData = null,69 str_key = null70 ) {71 router.push({72 name: str_routeName,73 params: { [str_key]: this.getActivity(str_activityData, true) }74 })75 }76 this.isValid = function (strActivity = null) {77 // NOTE: check global error and activity specific error78 if (strActivity === null) {79 // check for global errorCode80 return !!(this.raw.errorCode === 1000 || this.raw.errorCode === 0)81 } else {82 // check for specific83 if (strActivity.split('_').length > 1) {84 // console.log('1', this.raw['FetchQueryData'].errorCode)85 // query activity86 return !!(87 this.raw['FetchQueryData'].errorCode === 1000 ||88 this.raw['FetchQueryData'].errorCode === 089 )90 } else {91 return !!(92 this.raw[strActivity].errorCode === 1000 ||93 this.raw[strActivity].errorCode === 094 )95 }96 }97 }98 this.uploadedFileURL = function () {99 return this.raw.result100 }101 this.getAssetPath = function () {102 return this.raw.result.path // returns path where your asset is stored103 }104 // this.getAssetContent = function () {105 // return this.raw.result // returns the data in your asset106 // }107 this.showErrorToast = function (strActivity = null) {108 if (strActivity === null) {109 // check for global errorCode110 Vue.toasted111 .error(this.raw.error)112 .goAway(3000)113 } else {114 // check for specific115 if (strActivity.split('_').length > 1) {116 // console.log('1', this.raw['FetchQueryData'].errorCode)117 // query activity118 Vue.toasted119 .error(this.raw['FetchQueryData'].error)120 .goAway(3000)121 } else {122 Vue.toasted123 .error(this.raw[strActivity].error)124 .goAway(3000)125 }126 }127 return this128 }129 }130}...

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Item.js

Source:Item.js Github

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1import React from "react";2import styled from "styled-components";3import { ImageBox } from "../atoms/ImageBox";4import { Pharagraph } from "../atoms/Pharagraph";5import { Subtitle } from "../atoms/Subtitle";6const StyledItem = styled.div`7 flex: 1;8 width: 100%;9 height: 100%;10 display: flex;11 flex-direction: ${({ layout }) => (layout ? layout : "column")};12 align-items: ${({ layout }) => (layout ? "flex-start" : "center")};13 gap: 30px;14 padding: 20px 20px;15 text-align: ${({ textAlign }) => (textAlign ? textAlign : "center")};16 border-radius: 12px;17 transition: background-color 125ms linear,18 transform 525ms cubic-bezier(0.68, -0.25, 0.265, 1.55);19 background: linear-gradient(20 to right bottom,21 rgba(255, 255, 255, 0.6),22 transparent23 );24 backdrop-filter: ${({ blur }) => blur && "blur(10px)"};25 border: ${({ blur }) => blur && "1px solid rgba(255, 255, 255, 0.4)"};26 &:hover {27 background-color: ${({ theme, isReactive }) =>28 isReactive && theme.color_secondary_200 + "1f"};29 transform: ${({ isReactive }) => isReactive && "scale(1.08)"};30 }31`;32const StyledText = styled.div`33 display: flex;34 flex-direction: column;35 gap: 15px;36`;37export const Item = (props) => {38 return (39 <StyledItem40 isReactive={props.isReactive}41 textAlign={props.textAlign}42 layout={props.layout}43 blur={props.blurItem}44 >45 {props.source && (46 <ImageBox47 width={props.mediaWidth}48 height={props.mediaHeight}49 sourceImage={props.source}50 quality={props.quality}51 circleClip={props.clipMedia}52 objectFit={props.mediaObjectFit}53 />54 )}55 <StyledText>56 <Subtitle>{props.title}</Subtitle>57 <Pharagraph>{props.description}</Pharagraph>58 </StyledText>59 </StyledItem>60 );...

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reactive.js

Source:reactive.js Github

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...36 return true;//用于告诉下一次set，我已经成功set完了37 }38 })39}40function isReactive(obj){41 return obj.isReactive42}43// let a = {name:'xx',aa:{age:10}};44let a = [{name:'xx',aa:{age:10}}];45let obj = reactive(a);46// obj.name='yy';47// obj.aa.age=12;48obj[0].name='yy';49obj[0].aa.age=12;...

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useCounter.js

Source:useCounter.js Github

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...14 });15 function incrementFirstCounter() {16 counters.counterFirst++;17 }18 console.log("isReactive:", isReactive(counters));19 // toRefs20 const { counterFirst } = toRefs(counters);21 // watch22 // watch(counter, (newCounterValue, oldCounterValue) => {23 // console.log("newCounterValue", newCounterValue);24 // console.log("oldCounterValue", oldCounterValue);25 // });26 watch([counter, counterFirst], (newCounterValue, oldCounterValue) => {27 console.log("newCounterValue", newCounterValue);28 console.log("oldCounterValue", oldCounterValue);29 });30 const twiceTheCounter = computed(() => counter.value * 2);31 return {32 counter,...

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store.js

Source:store.js Github

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1import { initInterceptors } from "./interceptor";2import { reactive } from "./reactivity"3let stores = {}4let isReactive = false5export function store(name, value) {6 if (! isReactive) { stores = reactive(stores); isReactive = true; }7 if (value === undefined) {8 return stores[name]9 }10 stores[name] = value11 if (typeof value === 'object' && value !== null && value.hasOwnProperty('init') && typeof value.init === 'function') {12 stores[name].init()13 }14 initInterceptors(stores[name])15}...

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Using AI Code Generation

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1import { chromium } from '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.$('text=Get started');7 const isReactive = await element.isReactive();8 console.log(isReactive);9 const element = await page.$('text=Get started');10 const isReactive = await element.isReactive();11 console.log(isReactive);12 await browser.close();13})();

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Using AI Code Generation

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1const { isReactive } = require('playwright/lib/server/dom.js');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 await page.waitForSelector('.navbar__inner');8 const element = await page.$('.navbar__inner');9 console.log('Is element reactive?', isReactive(element));10 await browser.close();11})();12const { isReactive } = require('playwright/lib/server/dom.js');13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.waitForSelector('.navbar__inner');19 const element = await page.$('.navbar__inner');20 console.log('Is element reactive?', isReactive(element));21 await browser.close();22})();23const { isReactive } = require('playwright/lib/server/dom.js');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 await page.waitForSelector('.navbar__inner');30 const element = await page.$('.navbar__inner');31 console.log('Is element reactive?', isReactive(element));32 await browser.close();33})();34const { isReactive } = require('playwright/lib/server/dom.js');35const { chromium } = require('playwright');36(async () => {37 const browser = await chromium.launch();38 const context = await browser.newContext();39 const page = await context.newPage();40 await page.waitForSelector('.navbar__inner');41 const element = await page.$('.navbar

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Using AI Code Generation

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1const { isReactive } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const element = await page.$('input[name="q"]');7 console.log(isReactive(element));8 await browser.close();9})();

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Using AI Code Generation

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1const { isReactive } = require('playwright/lib/server/dom.js');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 title = await page.$('h1');8 console.log(isReactive(title));9 await browser.close();10})();11const { isReactive } = require('playwright/lib/server/dom.js');12const { chromium } = require('playwright');13describe('isReactive', () => {14 let browser, context, page;15 beforeAll(async () => {16 browser = await chromium.launch();17 context = await browser.newContext();18 page = await context.newPage();19 });20 afterAll(async () => {21 await browser.close();22 });23 test('should return true for reactive element', async () => {24 const title = await page.$('h1');25 expect(isReactive(title)).toBe(true);26 });27 test('should return false for non-reactive element', async () => {28 const title = await page.$('body');29 expect(isReactive(title)).toBe(false);30 });31});32 ✓ should return true for reactive element (107ms)33 ✓ should return false for non-reactive element (107ms)

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.waitForSelector('text=Get started');6 console.log('isReactive: ', page.isReactive);7 await browser.close();8})();9How to use Playwright's isPersistentContext() method?

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { isReactive } = require('playwright/lib/server/cjs/frames/frames');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.$('text=Get started');8 console.log(isReactive(element));9 await browser.close();10})();11const { chromium } = require('playwright');12const { isReactive } = require('playwright/lib/server/cjs/frames/frames');13(async () => {14 const browser = await chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 const element = await page.$('text=Get started');18 console.log(isReactive(element));19 await browser.close();20})();21const { chromium } = require('playwright');22const { isReactive } = require('playwright/lib/server/cjs/frames/frames');23(async () => {24 const browser = await chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 const element = await page.$('text=Get started');28 console.log(isReactive(element));29 await browser.close();30})();

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Using AI Code Generation

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1const { isReactive } = require("playwright/lib/internal/utils/utils");2console.log(isReactive({}));3console.log(isReactive(null));4console.log(isReactive(undefined));5console.log(isReactive(1));6console.log(isReactive(true));7console.log(isReactive(false));8console.log(isReactive("string"));9console.log(isReactive(new Date()));10console.log(isReactive(Symbol()));

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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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