How to use JsonValueAsync method of PuppeteerSharp.JSHandle class

Best Puppeteer-sharp code snippet using PuppeteerSharp.JSHandle.JsonValueAsync

PageCTL.cs

Source:PageCTL.cs Github

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...282 try283 {284 ElementHandle element = await mPage.QuerySelectorAsync(selector);285 JSHandle handler = await element.GetPropertyAsync("classList");286 Dictionary<string, string> value = await handler.JsonValueAsync<Dictionary<string, string>>();287 string[] result = new string[value.Count];288 value.Values.CopyTo(result, 0);289 return result;290 }291 catch292 {293 return null;294 }295 }296 public async Task<string> GetElementClassStringAsync(string selector)297 {298 try299 {300 ElementHandle element = await mPage.QuerySelectorAsync(selector);301 JSHandle handler = await element.GetPropertyAsync("classList");302 object value = await handler.JsonValueAsync();303 return value.ToString();304 }305 catch306 {307 return null;308 }309 }310 public async Task<string> GetURLAsync(int times = 3, int delay = 3000)311 {312 do313 {314 try315 {316 return await mPage.EvaluateFunctionAsync<string>(@"...

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JSHandle.cs

Source:JSHandle.cs Github

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...97 /// <returns>Task</returns>98 /// <remarks>99 /// The method will return an empty JSON if the referenced object is not stringifiable. It will throw an error if the object has circular references100 /// </remarks>101 public async Task<object> JsonValueAsync() => await JsonValueAsync<object>().ConfigureAwait(false);102 /// <summary>103 /// Returns a JSON representation of the object104 /// </summary>105 /// <typeparam name="T">A strongly typed object to parse to</typeparam>106 /// <returns>Task</returns>107 /// <remarks>108 /// The method will return an empty JSON if the referenced object is not stringifiable. It will throw an error if the object has circular references109 /// </remarks>110 public async Task<T> JsonValueAsync<T>()111 {112 var objectId = RemoteObject[MessageKeys.ObjectId];113 if (objectId != null)114 {115 var response = await Client.SendAsync("Runtime.callFunctionOn", new Dictionary<string, object>116 {117 ["functionDeclaration"] = "function() { return this; }",118 [MessageKeys.ObjectId] = objectId,119 ["returnByValue"] = true,120 ["awaitPromise"] = true121 }).ConfigureAwait(false);122 return (T)RemoteObjectHelper.ValueFromRemoteObject<T>(response[MessageKeys.Result]);123 }124 return (T)RemoteObjectHelper.ValueFromRemoteObject<T>(RemoteObject);...

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TinEyeEngine.cs

Source:TinEyeEngine.cs Github

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...14public static class WebDriverExtensions15{16 public static string ToValueString(this JSHandle h)17 {18 // return h.JsonValueAsync().GetAwaiter().GetResult().ToString();19 return h.ToString().Replace("jshandle:", string.Empty, StringComparison.InvariantCultureIgnoreCase);20 }21}22public sealed class TinEyeEngine : WebDriverSearchEngine23{24 public TinEyeEngine() : base("https://www.tineye.com/search?url=") { }25 26 public override SearchEngineOptions EngineOption => SearchEngineOptions.TinEye;27 public override EngineSearchType SearchType => EngineSearchType.Image;28 public override void Dispose() { }29 protected override async Task<List<ImageResult>> BrowseAsync(ImageQuery sd, SearchResult r)30 {31 PuppeteerExtra extra = await GetBrowserAsync();32 await using Browser browser = await extra.LaunchAsync(new LaunchOptions...

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ConsoleTests.cs

Source:ConsoleTests.cs Github

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...25 26 var obj = new Dictionary<string, object> {{"foo", "bar"}};27 Assert.Equal("hello 5 JSHandle@object", message.Text);28 Assert.Equal(ConsoleType.Log, message.Type);29 Assert.Equal("hello", await message.Args[0].JsonValueAsync());30 Assert.Equal(5, await message.Args[1].JsonValueAsync<float>());31 Assert.Equal(obj, await message.Args[2].JsonValueAsync<Dictionary<string, object>>());32 Assert.Equal("bar", (await message.Args[2].JsonValueAsync<dynamic>()).foo.ToString());33 }34 [Fact]35 public async Task ShouldWorkForDifferentConsoleApiCalls()36 {37 var messages = new List<ConsoleMessage>();38 Page.Console += (sender, e) => messages.Add(e.Message);39 await Page.EvaluateFunctionAsync(@"() => {40 // A pair of time/timeEnd generates only one Console API call.41 console.time('calling console.time');42 console.timeEnd('calling console.time');43 console.trace('calling console.trace');44 console.dir('calling console.dir');45 console.warn('calling console.warn');46 console.error('calling console.error');...

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JsonValueTests.cs

Source:JsonValueTests.cs Github

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...16 [PuppeteerFact]17 public async Task ShouldWork()18 {19 var aHandle = await Page.EvaluateExpressionHandleAsync("({ foo: 'bar'})");20 var json = await aHandle.JsonValueAsync();21 Assert.Equal(JObject.Parse("{ foo: 'bar' }"), json);22 }23 [PuppeteerTest("jshandle.spec.ts", "JSHandle.jsonValue", "works with jsonValues that are not objects")]24 [SkipBrowserFact(skipFirefox: true)]25 public async Task WorksWithJsonValuesThatAreNotObjects()26 {27 var aHandle = await Page.EvaluateFunctionHandleAsync("() => ['a', 'b']");28 var json = await aHandle.JsonValueAsync<string[]>();29 Assert.Equal(new[] {"a","b" }, json);30 }31 [PuppeteerTest("jshandle.spec.ts", "JSHandle.jsonValue", "works with jsonValues that are primitives")]32 [SkipBrowserFact(skipFirefox: true)]33 public async Task WorksWithJsonValuesThatArePrimitives()34 {35 var aHandle = await Page.EvaluateFunctionHandleAsync("() => 'foo'");36 var json = await aHandle.JsonValueAsync<string>();37 Assert.Equal("foo", json);38 }39 [PuppeteerTest("jshandle.spec.ts", "JSHandle.jsonValue", "should not work with dates")]40 [SkipBrowserFact(skipFirefox: true)]41 public async Task ShouldNotWorkWithDates()42 {43 var dateHandle = await Page.EvaluateExpressionHandleAsync("new Date('2017-09-26T00:00:00.000Z')");44 var json = await dateHandle.JsonValueAsync();45 Assert.Equal(JObject.Parse("{}"), json);46 }47 [PuppeteerTest("jshandle.spec.ts", "JSHandle.jsonValue", "should throw for circular objects")]48 [PuppeteerFact]49 public async Task ShouldThrowForCircularObjects()50 {51 var windowHandle = await Page.EvaluateExpressionHandleAsync("window");52 var exception = await Assert.ThrowsAsync<MessageException>(()53 => windowHandle.JsonValueAsync());54 Assert.Contains(TestConstants.IsChrome ? "Object reference chain is too long" : "Object is not serializable", exception.Message);55 }56 }57}...

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GetPropertiesTests.cs

Source:GetPropertiesTests.cs Github

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...20 })");21 var properties = await aHandle.GetPropertiesAsync();22 properties.TryGetValue("foo", out var foo);23 Assert.NotNull(foo);24 Assert.Equal("bar", await foo.JsonValueAsync<string>());25 }26 [PuppeteerTest("jshandle.spec.ts", "JSHandle.getProperties", "should return even non-own properties")]27 [PuppeteerFact]28 public async Task ShouldReturnEvenNonOwnProperties()29 {30 var aHandle = await Page.EvaluateFunctionHandleAsync(@"() => {31 class A {32 constructor() {33 this.a = '1';34 }35 }36 class B extends A {37 constructor() {38 super();39 this.b = '2';40 }41 }42 return new B();43 }");44 var properties = await aHandle.GetPropertiesAsync();45 Assert.Equal("1", await properties["a"].JsonValueAsync<string>());46 Assert.Equal("2", await properties["b"].JsonValueAsync<string>());47 }48 }49}...

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HandleExtensions.cs

Source:HandleExtensions.cs Github

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...21 public static async Task<T> GetPropertyValue<T>(this JSHandle elementHandle, string property)22 {23 await using var propertyAsync = await elementHandle.GetPropertyAsync(property);24 if (propertyAsync != null)25 return await propertyAsync.JsonValueAsync<T>();26 return default;27 }28 }29}...

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GetPropertyTests.cs

Source:GetPropertyTests.cs Github

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...20 two: 2,21 three: 322 })");23 var twoHandle = await aHandle.GetPropertyAsync("two");24 Assert.Equal(2, await twoHandle.JsonValueAsync<int>());25 }26 }27}...

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JsonValueAsync

Using AI Code Generation

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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 LaunchOptions { Headless = false });9 var page = await browser.NewPageAsync();10 var jsHandle = await page.EvaluateExpressionHandleAsync("document");11 var jsonValue = await jsHandle.JsonValueAsync();12 Console.WriteLine(jsonValue);13 await browser.CloseAsync();14 }15 }16}17{document: {…}, location: {…}, event: {…}, customElements: {…}, history: {…}, locationbar: {…}, menubar: {…}, …}

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JsonValueAsync

Using AI Code Generation

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1var jsonValue = await jsHandle.JsonValueAsync();2Console.WriteLine(jsonValue);3var jsonValue = await page.JsonValueAsync("window.location.href");4Console.WriteLine(jsonValue);5var jsonValue = await frame.JsonValueAsync("window.location.href");6Console.WriteLine(jsonValue);7var jsonValue = await elementHandle.JsonValueAsync();8Console.WriteLine(jsonValue);9var jsonValue = await jsHandle.JsonValueAsync();10Console.WriteLine(jsonValue);11var jsonValue = await page.JsonValueAsync("window.location.href");12Console.WriteLine(jsonValue);13var jsonValue = await frame.JsonValueAsync("window.location.href");14Console.WriteLine(jsonValue);15var jsonValue = await elementHandle.JsonValueAsync();16Console.WriteLine(jsonValue);17var jsonValue = await jsHandle.JsonValueAsync();18Console.WriteLine(jsonValue);19var jsonValue = await page.JsonValueAsync("window.location.href");20Console.WriteLine(jsonValue);21var jsonValue = await frame.JsonValueAsync("window.location.href");22Console.WriteLine(jsonValue);23var jsonValue = await elementHandle.JsonValueAsync();24Console.WriteLine(jsonValue);25var jsonValue = await jsHandle.JsonValueAsync();26Console.WriteLine(jsonValue);

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JsonValueAsync

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html')");3var jsonValue = await jsonHandle.JsonValueAsync();4await page.CloseAsync();5var page = await browser.NewPageAsync();6var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html')");7var jsonValue = await jsonHandle.JsonValueAsync();8await page.CloseAsync();9var page = await browser.NewPageAsync();10var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html')");11var jsonValue = await jsonHandle.JsonValueAsync();12await page.CloseAsync();13var page = await browser.NewPageAsync();14var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html')");15var jsonValue = await jsonHandle.JsonValueAsync();16await page.CloseAsync();17var page = await browser.NewPageAsync();18var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html')");19var jsonValue = await jsonHandle.JsonValueAsync();20await page.CloseAsync();21var page = await browser.NewPageAsync();22var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html')");23var jsonValue = await jsonHandle.JsonValueAsync();24await page.CloseAsync();25var page = await browser.NewPageAsync();26var jsonHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('html

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JsonValueAsync

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var result = await page.EvaluateFunctionAsync<JSHandle>("() => document.querySelector('input[name=q]')");3var value = await result.JsonValueAsync();4Console.WriteLine(value);5var page = await browser.NewPageAsync();6var result = await page.EvaluateFunctionAsync<JSHandle>("() => document.querySelector('input[name=q]')");7var value = await result.JsonValueAsync();8Console.WriteLine(value);9var page = await browser.NewPageAsync();10var result = await page.EvaluateFunctionAsync<JSHandle>("() => document.querySelector('input[name=q]')");11var value = await result.JsonValueAsync();12Console.WriteLine(value);13var page = await browser.NewPageAsync();14var result = await page.EvaluateFunctionAsync<JSHandle>("() => document.querySelector('input[name=q]')");15var value = await result.JsonValueAsync();16Console.WriteLine(value);17var page = await browser.NewPageAsync();18var result = await page.EvaluateFunctionAsync<JSHandle>("() => document.querySelector('input[name=q]')");19var value = await result.JsonValueAsync();20Console.WriteLine(value);

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JsonValueAsync

Using AI Code Generation

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1var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");2var jsonValue = json.JsonValueAsync();3Console.WriteLine(jsonValue.Result.ToString());4var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");5var jsonValue = await json.JsonValueAsync();6Console.WriteLine(jsonValue.ToString());7var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");8var jsonValue = await json.JsonValueAsync();9Console.WriteLine(jsonValue.ToString());10var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");11var jsonValue = await json.JsonValueAsync();12Console.WriteLine(jsonValue.ToString());13var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");14var jsonValue = await json.JsonValueAsync();15Console.WriteLine(jsonValue.ToString());16var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");17var jsonValue = await json.JsonValueAsync();18Console.WriteLine(jsonValue.ToString());19var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");20var jsonValue = await json.JsonValueAsync();21Console.WriteLine(jsonValue.ToString());22var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");23var jsonValue = await json.JsonValueAsync();24Console.WriteLine(jsonValue.ToString());25var json = await page.EvaluateExpressionAsync("document.querySelector('body').innerText");26var jsonValue = await json.JsonValueAsync();27Console.WriteLine(jsonValue.ToString());

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JsonValueAsync

Using AI Code Generation

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1var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");2Console.WriteLine(jsonValue.ToString());3var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");4Console.WriteLine(jsonValue.ToString());5var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");6Console.WriteLine(jsonValue.ToString());7var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");8Console.WriteLine(jsonValue.ToString());9var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");10Console.WriteLine(jsonValue.ToString());11var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");12Console.WriteLine(jsonValue.ToString());13var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");14Console.WriteLine(jsonValue.ToString());15var jsonValue = await page.EvaluateFunctionAsync<JsonValue>("() => { return { foo: 'bar' }; }");16Console.WriteLine(jsonValue.ToString());

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JsonValueAsync

Using AI Code Generation

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1var jsonValue = await page.EvaluateFunctionAsync("() => {2 return {a: 1, b: 2};3}");4var jsonValue = await page.JsonValueAsync("() => {5 return {a: 1, b: 2};6}");7var jsonValue = await page.EvaluateFunctionAsync("() => {8 return {a: 1, b: 2};9}");10var jsonValue = await page.JsonValueAsync("() => {11 return {a: 1, b: 2};12}");13var jsonValue = await page.EvaluateFunctionAsync("() => {14 return {a: 1, b: 2};15}");16var jsonValue = await page.JsonValueAsync("() => {17 return {a: 1, b: 2};18}");19var jsonValue = await page.EvaluateFunctionAsync("() => {20 return {a: 1, b: 2};21}");22Console.WriteLine(jsonValue.Get("b").ToString());

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