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How to use QueryObjectsAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.QueryObjectsAsync

Page.cs

Source:Page.cs

...335            return Client.SendAsync("Page.addScriptToEvaluateOnNewDocument", new { source });336        }337        /// <summary>338        /// The method iterates JavaScript heap and finds all the objects with the given prototype.339        /// Shortcut for <c>page.MainFrame.GetExecutionContextAsync().QueryObjectsAsync(prototypeHandle)</c>.340        /// </summary>341        /// <returns>A task which resolves to a handle to an array of objects with this prototype.</returns>342        /// <param name="prototypeHandle">A handle to the object prototype.</param>343        public async Task<JSHandle> QueryObjectsAsync(JSHandle prototypeHandle)344        {345            var context = await MainFrame.GetExecutionContextAsync();346            return await context.QueryObjectsAsync(prototypeHandle);347        }348        /// <summary>349        /// Activating request interception enables <see cref="Request.AbortAsync(RequestAbortErrorCode)">request.AbortAsync</see>, 350        /// <see cref="Request.ContinueAsync(Payload)">request.ContinueAsync</see> and <see cref="Request.RespondAsync(ResponseData)">request.RespondAsync</see> methods.351        /// </summary>352        /// <returns>The request interception task.</returns>353        /// <param name="value">Whether to enable request interception..</param>354        public Task SetRequestInterceptionAsync(bool value)355            => _networkManager.SetRequestInterceptionAsync(value);356        /// <summary>357        /// Set offline mode for the page.358        /// </summary>359        /// <returns>Result task</returns>360        /// <param name="value">When <c>true</c> enables offline mode for the page.</param>...

ExecutionContext.cs

Source:ExecutionContext.cs

...93        /// The method iterates JavaScript heap and finds all the objects with the given prototype.94        /// </summary>95        /// <returns>A task which resolves to a handle to an array of objects with this prototype.</returns>96        /// <param name="prototypeHandle">A handle to the object prototype.</param>97        public async Task<JSHandle> QueryObjectsAsync(JSHandle prototypeHandle)98        {99            if (prototypeHandle.Disposed)100            {101                throw new PuppeteerException("Prototype JSHandle is disposed!");102            }103            if (!((JObject)prototypeHandle.RemoteObject).TryGetValue(MessageKeys.ObjectId, out var objectId))104            {105                throw new PuppeteerException("Prototype JSHandle must not be referencing primitive value");106            }107            var response = await _client.SendAsync("Runtime.queryObjects", new Dictionary<string, object>108            {109                {"prototypeObjectId", objectId.ToString()}110            }).ConfigureAwait(false);111            return CreateJSHandle(response[MessageKeys.Objects]);...

QueryObjectsTests.cs

Source:QueryObjectsTests.cs

...14        {15            // Instantiate an object16            await Page.EvaluateExpressionAsync("window.set = new Set(['hello', 'world'])");17            var prototypeHandle = await Page.EvaluateExpressionHandleAsync("Set.prototype");18            var objectsHandle = await Page.QueryObjectsAsync(prototypeHandle);19            var count = await Page.EvaluateFunctionAsync<int>("objects => objects.length", objectsHandle);20            Assert.Equal(1, count);21            var values = await Page.EvaluateFunctionAsync<string[]>("objects => Array.from(objects[0].values())", objectsHandle);22            Assert.Equal(new[] { "hello", "world" }, values);23        }24        [Fact]25        public async Task ShouldFailForDisposedHandles()26        {27            var prototypeHandle = await Page.EvaluateExpressionHandleAsync("HTMLBodyElement.prototype");28            await prototypeHandle.DisposeAsync();29            var exception = await Assert.ThrowsAsync<PuppeteerException>(()30                => Page.QueryObjectsAsync(prototypeHandle));31            Assert.Equal("Prototype JSHandle is disposed!", exception.Message);32        }33        [Fact]34        public async Task ShouldFailPrimitiveValuesAsPrototypes()35        {36            var prototypeHandle = await Page.EvaluateExpressionHandleAsync("42");37            var exception = await Assert.ThrowsAsync<PuppeteerException>(()38                => Page.QueryObjectsAsync(prototypeHandle));39            Assert.Equal("Prototype JSHandle must not be referencing primitive value", exception.Message);40        }41    }42}...

QueryObjectsAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7{8    {9        static void Main(string[] args)10        {11            {12                MainAsync().GetAwaiter().GetResult();13            }14            catch (Exception ex)15            {16                Console.WriteLine(ex.Message);17            }18            Console.ReadLine();19        }20        static async Task MainAsync()21        {22            var browser = await Puppeteer.LaunchAsync(new LaunchOptions23            {24            });25            var page = await browser.NewPageAsync();26            var input = await page.QuerySelectorAsync("input[name=q]");27            await input.TypeAsync("PuppeteerSharp");28            await page.ClickAsync("input[value='Google Search']");29            await page.WaitForNavigationAsync();30            var results = await page.QueryObjectsAsync("window.find('puppeteersharp')");31            foreach (var result in results)32            {33                Console.WriteLine(result.T

QueryObjectsAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10                Args = new string[] { "--start-maximized" }11            });12            var page = await browser.NewPageAsync();13            await page.TypeAsync("input[title='Search']", "puppeteer");14            await page.Keyboard.PressAsync("Enter");15            await page.WaitForNavigationAsync();16            var elements = await page.QueryObjectsAsync("window.__APOLLO_CLIENT__");17            foreach (var item in elements)18            {19                Console.WriteLine(item);20            }21            await browser.CloseAsync();22        }23    }24}

QueryObjectsAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14            });15            var page = await browser.NewPageAsync();16            var objects = await page.QueryObjectsAsync("window");17            Console.WriteLine(objects.Length);18            await browser.CloseAsync();19        }20    }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25{26    {27        static void Main(string[] args)28        {29            MainAsync().Wait();30        }31        static async Task MainAsync()32        {33            var browser = await Puppeteer.LaunchAsync(new LaunchOptions34            {35            });36            var page = await browser.NewPageAsync();37            var objects = await page.QueryObjectsAsync("window");38            Console.WriteLine(objects.Length);39            await browser.CloseAsync();40        }41    }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46{47    {48        static void Main(string[] args)49        {50            MainAsync().Wait();51        }52        static async Task MainAsync()53        {54            var browser = await Puppeteer.LaunchAsync(new LaunchOptions55            {56            });57            var page = await browser.NewPageAsync();58            var objects = await page.QueryObjectsAsync("window");59            Console.WriteLine(objects.Length);60            await browser.CloseAsync();61        }62    }63}

QueryObjectsAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2var result = await page.QueryObjectsAsync("new Map()");3var page = await browser.NewPageAsync();4var result = await page.QueryObjectsAsync("new Map()");5var page = await browser.NewPageAsync();6var result = await page.QueryObjectsAsync("new Map()");7var page = await browser.NewPageAsync();8var result = await page.QueryObjectsAsync("new Map()");9var page = await browser.NewPageAsync();10var result = await page.QueryObjectsAsync("new Map()");11var page = await browser.NewPageAsync();12var result = await page.QueryObjectsAsync("new Map()");13var page = await browser.NewPageAsync();14var result = await page.QueryObjectsAsync("new Map()");15var page = await browser.NewPageAsync();16var result = await page.QueryObjectsAsync("new Map()");17var page = await browser.NewPageAsync();18var result = await page.QueryObjectsAsync("new Map()");

QueryObjectsAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14            });15            var page = await browser.NewPageAsync();16            var value = await page.QueryObjectsAsync("input");17            Console.WriteLine(value);18            await browser.CloseAsync();19        }20    }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25{26    {27        static void Main(string[] args)28        {29            MainAsync().Wait();30        }31        static async Task MainAsync()32        {33            var browser = await Puppeteer.LaunchAsync(new LaunchOptions34            {35            });36            var page = await browser.NewPageAsync();37            var value = await page.QueryObjectsAsync("input");38            Console.WriteLine(value);39            await browser.CloseAsync();40        }41    }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46{47    {

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