Best Puppeteer-sharp code snippet using PuppeteerSharp.ExecutionContext.QueryObjectsAsync
ExecutionContext.cs
Source:ExecutionContext.cs
...95 /// The method iterates JavaScript heap and finds all the objects with the given prototype.96 /// </summary>97 /// <returns>A task which resolves to a handle to an array of objects with this prototype.</returns>98 /// <param name="prototypeHandle">A handle to the object prototype.</param>99 public async Task<JSHandle> QueryObjectsAsync(JSHandle prototypeHandle)100 {101 if (prototypeHandle.Disposed)102 {103 throw new PuppeteerException("Prototype JSHandle is disposed!");104 }105 if (prototypeHandle.RemoteObject.ObjectId == null)106 {107 throw new PuppeteerException("Prototype JSHandle must not be referencing primitive value");108 }109 var response = await _client.SendAsync<RuntimeQueryObjectsResponse>("Runtime.queryObjects", new RuntimeQueryObjectsRequest110 {111 PrototypeObjectId = prototypeHandle.RemoteObject.ObjectId112 }).ConfigureAwait(false);113 return CreateJSHandle(response.Objects);...
QueryObjectsTests.cs
Source:QueryObjectsTests.cs
...17 {18 // Instantiate an object19 await Page.EvaluateExpressionAsync("window.set = new Set(['hello', 'world'])");20 var prototypeHandle = await Page.EvaluateExpressionHandleAsync("Set.prototype");21 var objectsHandle = await Page.QueryObjectsAsync(prototypeHandle);22 var count = await Page.EvaluateFunctionAsync<int>("objects => objects.length", objectsHandle);23 Assert.Equal(1, count);24 var values = await Page.EvaluateFunctionAsync<string[]>("objects => Array.from(objects[0].values())", objectsHandle);25 Assert.Equal(new[] { "hello", "world" }, values);26 }27 [PuppeteerTest("page.spec.ts", "ExecutionContext.queryObjects", "should work for non-blank page")]28 [SkipBrowserFact(skipFirefox: true)]29 public async Task ShouldWorkForNonBlankPage()30 {31 // Instantiate an object32 await Page.GoToAsync(TestConstants.EmptyPage);33 await Page.EvaluateFunctionAsync("() => window.set = new Set(['hello', 'world'])");34 var prototypeHandle = await Page.EvaluateFunctionHandleAsync("() => Set.prototype");35 var objectsHandle = await Page.QueryObjectsAsync(prototypeHandle);36 var count = await Page.EvaluateFunctionAsync<int>("objects => objects.length", objectsHandle);37 Assert.Equal(1, count);38 }39 [PuppeteerTest("page.spec.ts", "ExecutionContext.queryObjects", "should fail for disposed handles")]40 [PuppeteerFact]41 public async Task ShouldFailForDisposedHandles()42 {43 var prototypeHandle = await Page.EvaluateExpressionHandleAsync("HTMLBodyElement.prototype");44 await prototypeHandle.DisposeAsync();45 var exception = await Assert.ThrowsAsync<PuppeteerException>(()46 => Page.QueryObjectsAsync(prototypeHandle));47 Assert.Equal("Prototype JSHandle is disposed!", exception.Message);48 }49 [PuppeteerTest("page.spec.ts", "ExecutionContext.queryObjects", "should fail primitive values as prototypes")]50 [PuppeteerFact]51 public async Task ShouldFailPrimitiveValuesAsPrototypes()52 {53 var prototypeHandle = await Page.EvaluateExpressionHandleAsync("42");54 var exception = await Assert.ThrowsAsync<PuppeteerException>(()55 => Page.QueryObjectsAsync(prototypeHandle));56 Assert.Equal("Prototype JSHandle must not be referencing primitive value", exception.Message);57 }58 }59}...
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 result = await page.QueryObjectsAsync("window");17 Console.WriteLine(result);18 await browser.CloseAsync();19 }20 }21}22Recommended Posts: PuppeteerSharp | QueryObjectsAsync() Method23PuppeteerSharp | QueryObjectsAsync() Method in C#24PuppeteerSharp | QueryObjectsAsync() Method in Node.js25PuppeteerSharp | EvaluateFunctionHandleAsync() Method26PuppeteerSharp | EvaluateFunctionHandleAsync() Method in C#27PuppeteerSharp | EvaluateFunctionHandleAsync() Method in Node.js28PuppeteerSharp | EvaluateHandleAsync() Method29PuppeteerSharp | EvaluateHandleAsync() Method in C#30PuppeteerSharp | EvaluateHandleAsync() Method in Node.js31PuppeteerSharp | QuerySelectorAsync() Method32PuppeteerSharp | QuerySelectorAsync() Method in C#33PuppeteerSharp | QuerySelectorAsync() Method in Node.js34PuppeteerSharp | QuerySelectorAllAsync() Method35PuppeteerSharp | QuerySelectorAllAsync() Method in C#36PuppeteerSharp | QuerySelectorAllAsync() Method in Node.js37PuppeteerSharp | WaitForFunctionAsync() Method38PuppeteerSharp | WaitForFunctionAsync() Method in C#39PuppeteerSharp | WaitForFunctionAsync() Method in Node.js40PuppeteerSharp | WaitForSelectorAsync() Method41PuppeteerSharp | WaitForSelectorAsync() Method in C#42PuppeteerSharp | WaitForSelectorAsync() Method in Node.js43PuppeteerSharp | WaitForXPathAsync() Method44PuppeteerSharp | WaitForXPathAsync() Method in C#45PuppeteerSharp | WaitForXPathAsync() Method in Node.js46PuppeteerSharp | WaitUntilNavigationAsync() Method47PuppeteerSharp | WaitUntilNavigationAsync() Method in C#
QueryObjectsAsync
Using AI Code Generation
1{2 public async Task QueryObjectsAsync_Method()3 {4 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))5 using (var page = await browser.NewPageAsync())6 {7 await page.EvaluateExpressionAsync("({a: 1, b: 2})");8 var context = await page.GetContextAsync();9 var handle = await context.QueryObjectsAsync(new JSHandle("Object"));10 var properties = await handle.GetPropertiesAsync();11 foreach (var property in properties)12 {13 Console.WriteLine(property.Key);14 Console.WriteLine(property.Value);15 }16 }17 }18}19{20 public async Task QueryObjectsAsync_Method()21 {22 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))23 using (var page = await browser.NewPageAsync())24 {25 await page.EvaluateExpressionAsync("({a: 1, b: 2})");26 var context = await page.GetContextAsync();27 var handle = await context.QueryObjectsAsync(new JSHandle("Object"));28 var properties = await handle.GetPropertiesAsync();29 foreach (var property in properties)30 {31 Console.WriteLine(property.Key);32 Console.WriteLine(property.Value);33 }34 }35 }36}37{38 public async Task QueryObjectsAsync_Method()39 {40 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))41 using (var page = await browser.NewPageAsync())42 {43 await page.EvaluateExpressionAsync("({a: 1, b: 2})");44 var context = await page.GetContextAsync();45 var handle = await context.QueryObjectsAsync(new JSHandle("Object"));46 var properties = await handle.GetPropertiesAsync();47 foreach (var property in properties)48 {49 Console.WriteLine(property.Key);50 Console.WriteLine(property.Value);51 }52 }53 }54}
QueryObjectsAsync
Using AI Code Generation
1var page = await browser.NewPageAsync();2var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "Array"));3Console.WriteLine(result);4var page = await browser.NewPageAsync();5var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "Map"));6Console.WriteLine(result);7var page = await browser.NewPageAsync();8var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "Set"));9Console.WriteLine(result);10var page = await browser.NewPageAsync();11var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "WeakMap"));12Console.WriteLine(result);13var page = await browser.NewPageAsync();14var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "WeakSet"));15Console.WriteLine(result);16var page = await browser.NewPageAsync();17var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "Int8Array"));18Console.WriteLine(result);19var page = await browser.NewPageAsync();20var result = await page.QueryObjectsAsync(new JSHandle(page.MainFrame, "Uint8Array"));21Console.WriteLine(result);22var page = await browser.NewPageAsync();23var result = await page.QueryObjectsAsync(new
QueryObjectsAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 var result = await page.EvaluateFunctionAsync("() => ({a: 1, b: 2, c: 3})");14 Console.WriteLine(result);15 var res = await page.QueryObjectsAsync(result);16 foreach (var r in res)17 {18 Console.WriteLine(r);19 }20 await browser.CloseAsync();21 }22 }23}
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