How to use EvaluateExpressionInternalAsync method of PuppeteerSharp.ExecutionContext class

Best Puppeteer-sharp code snippet using PuppeteerSharp.ExecutionContext.EvaluateExpressionInternalAsync

ExecutionContext.cs

Source:ExecutionContext.cs Github

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...59 /// <seealso cref="EvaluateFunctionAsync{T}(string, object[])"/>60 /// <seealso cref="EvaluateExpressionHandleAsync(string)"/>61 /// <returns>Task which resolves to script return value</returns>62 public Task<T> EvaluateExpressionAsync<T>(string script)63 => RemoteObjectTaskToObject<T>(EvaluateExpressionInternalAsync(true, script));64 internal async Task<JSHandle> EvaluateExpressionHandleAsync(string script)65 => CreateJSHandle(await EvaluateExpressionInternalAsync(false, script).ConfigureAwait(false));66 /// <summary>67 /// Executes a function in browser context68 /// </summary>69 /// <param name="script">Script to be evaluated in browser context</param>70 /// <param name="args">Arguments to pass to script</param>71 /// <remarks>72 /// If the script, returns a Promise, then the method would wait for the promise to resolve and return its value.73 /// <see cref="JSHandle"/> instances can be passed as arguments74 /// </remarks>75 /// <seealso cref="EvaluateExpressionAsync{T}(string)"/>76 /// <returns>Task which resolves to script return value</returns>77 public Task<JToken> EvaluateFunctionAsync(string script, params object[] args) => EvaluateFunctionAsync<JToken>(script, args);78 /// <summary>79 /// Executes a function in browser context80 /// </summary>81 /// <typeparam name="T">The type to deserialize the result to</typeparam>82 /// <param name="script">Script to be evaluated in browser context</param>83 /// <param name="args">Arguments to pass to script</param>84 /// <remarks>85 /// If the script, returns a Promise, then the method would wait for the promise to resolve and return its value.86 /// <see cref="JSHandle"/> instances can be passed as arguments87 /// </remarks>88 /// <seealso cref="EvaluateExpressionAsync{T}(string)"/>89 /// <returns>Task which resolves to script return value</returns>90 public Task<T> EvaluateFunctionAsync<T>(string script, params object[] args)91 => RemoteObjectTaskToObject<T>(EvaluateFunctionInternalAsync(true, script, args));92 internal async Task<JSHandle> EvaluateFunctionHandleAsync(string script, params object[] args)93 => CreateJSHandle(await EvaluateFunctionInternalAsync(false, script, args).ConfigureAwait(false));94 /// <summary>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);114 }115 private async Task<T> RemoteObjectTaskToObject<T>(Task<RemoteObject> remote)116 {117 var response = await remote.ConfigureAwait(false);118 return response == null ? default : (T)RemoteObjectHelper.ValueFromRemoteObject<T>(response);119 }120 private Task<RemoteObject> EvaluateExpressionInternalAsync(bool returnByValue, string script)121 => ExecuteEvaluationAsync("Runtime.evaluate", new Dictionary<string, object>122 {123 ["expression"] = _sourceUrlRegex.IsMatch(script) ? script : $"{script}\n{_evaluationScriptSuffix}",124 ["contextId"] = _contextId,125 ["returnByValue"] = returnByValue,126 ["awaitPromise"] = true,127 ["userGesture"] = true128 });129 private Task<RemoteObject> EvaluateFunctionInternalAsync(bool returnByValue, string script, params object[] args)130 => ExecuteEvaluationAsync("Runtime.callFunctionOn", new RuntimeCallFunctionOnRequest131 {132 FunctionDeclaration = $"{script}\n{_evaluationScriptSuffix}\n",133 ExecutionContextId = _contextId,134 Arguments = args.Select(FormatArgument),...

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EvaluateExpressionInternalAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static void Main(string[] args)7 {8 MainAsync().GetAwaiter().GetResult();9 }10 static async Task MainAsync()11 {12 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);13 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))14 using (var page = await browser.NewPageAsync())15 {16 var result = await page.EvaluateExpressionAsync<int>("1 + 2");17 var result2 = await page.EvaluateExpressionAsync<int>("1 + 2");18 var result3 = await page.EvaluateExpressionAsync<int>("1 + 2");19 var result4 = await page.EvaluateExpressionAsync<int>("1 + 2");20 var result5 = await page.EvaluateExpressionAsync<int>("1 + 2");21 var result6 = await page.EvaluateExpressionAsync<int>("1 + 2");22 var result7 = await page.EvaluateExpressionAsync<int>("1 + 2");23 var result8 = await page.EvaluateExpressionAsync<int>("1 + 2");24 var result9 = await page.EvaluateExpressionAsync<int>("1 + 2");25 var result10 = await page.EvaluateExpressionAsync<int>("1 + 2");26 var result11 = await page.EvaluateExpressionAsync<int>("1 + 2

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EvaluateExpressionInternalAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 static void Main(string[] args)6 {7 MainAsync().GetAwaiter().GetResult();8 }9 static async Task MainAsync()10 {11 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);12 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))13 using (var page = await browser.NewPageAsync())14 {15 var result = await page.EvaluateExpressionAsync<int>("1 + 2");16 Console.WriteLine(result);17 }18 }19}20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24 static void Main(string[] args)25 {26 MainAsync().GetAwaiter().GetResult();27 }28 static async Task MainAsync()29 {30 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);31 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))32 using (var page = await browser.NewPageAsync())33 {34 var jsHandle = await page.EvaluateExpressionHandleAsync("document.body");35 var properties = await jsHandle.GetPropertiesAsync();36 foreach (var property in properties.Values)37 {38 Console.WriteLine(property);39 }40 }41 }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46{47 static void Main(string[] args)48 {49 MainAsync().GetAwaiter().GetResult();50 }51 static async Task MainAsync()52 {53 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);54 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))55 using (var page = await browser.NewPageAsync())56 {57 await page.GoToAsync("

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