How to use OnExecutionContextCreated method of PuppeteerSharp.Worker class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Worker.OnExecutionContextCreated

Worker.cs

Source:Worker.cs Github

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...57 {58 switch (e.MessageID)59 {60 case "Runtime.executionContextCreated":61 OnExecutionContextCreated(e.MessageData.ToObject<RuntimeExecutionContextCreatedResponse>(true));62 break;63 //case "Runtime.consoleAPICalled":64 // await OnConsoleAPICalled(e).ConfigureAwait(false);65 // break;66 case "Runtime.exceptionThrown":67 OnExceptionThrown(e.MessageData.ToObject<RuntimeExceptionThrownResponse>(true));68 break;69 }70 }71 catch (Exception ex)72 {73 var message = $"Worker failed to process {e.MessageID}. {ex.Message}. {ex.StackTrace}";74 _client.Close(message);75 }76 }77 private void OnExceptionThrown(RuntimeExceptionThrownResponse e) => _exceptionThrown(e.ExceptionDetails);78 private void OnExecutionContextCreated(RuntimeExecutionContextCreatedResponse e)79 {80 if (_jsHandleFactory == null)81 {82 _jsHandleFactory = (ctx, remoteObject) => new JSHandle(ctx, _client, remoteObject);83 _executionContext = new ExecutionContext(84 _client,85 e.Context,86 null);87 _executionContextCallback.TrySetResult(_executionContext);88 }89 }90 }91}...

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OnExecutionContextCreated

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 LaunchOptions9 {10 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"11 });12 var page = await browser.NewPageAsync();13 await page.WaitForFunctionAsync("() => !!window.worker");14 var worker = page.Workers[0];15 worker.OnMessage += (sender, e) =>16 {17 Console.WriteLine(e.Data);18 };19 worker.OnConsole += (sender, e) =>20 {21 Console.WriteLine(e.Text);22 };23 worker.OnError += (sender, e) =>24 {25 Console.WriteLine(e.Message);26 };27 await worker.EvaluateFunctionAsync("() => postMessage('hello')");28 await page.EvaluateFunctionAsync("() => window.worker.postMessage('hello')");29 await page.EvaluateFunctionAsync("() => window.worker.postMessage({foo: 'bar'})");30 await page.EvaluateFunctionAsync("() => window.worker.postMessage([1, 2, 3, 4])");31 await page.EvaluateFunctionAsync("() => window.worker.postMessage(5)");32 await page.EvaluateFunctionAsync("() => window.worker.postMessage(null)");33 await page.EvaluateFunctionAsync("() => window.worker.postMessage(undefined)");34 await page.EvaluateFunctionAsync("() => window.worker.postMessage(true)");35 await page.EvaluateFunctionAsync("() => window.worker.postMessage(false)");36 await page.EvaluateFunctionAsync("() => window.worker.postMessage(() => 1 + 1)");37 await page.EvaluateFunctionAsync("() => window.worker.postMessage(Symbol('foo'))");38 await page.EvaluateFunctionAsync("() => window.worker.postMessage(new Date())");39 await page.EvaluateFunctionAsync("() => window.worker.postMessage(new Error('foo'))");40 await page.EvaluateFunctionAsync("() => window.worker.postMessage(new RegExp('foo.*bar'))");41 await page.EvaluateFunctionAsync("() => window.worker.postMessage(new Int8Array([1, 2, 3]))");42 await page.EvaluateFunctionAsync("() => window.worker.postMessage(new Uint8Array([1, 2

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OnExecutionContextCreated

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 page.WorkerCreated += Page_WorkerCreated;11 await page.WaitForSelectorAsync("input[name='q']");12 await page.TypeAsync("input[name='q']", "puppeteer");13 await page.Keyboard.PressAsync("Enter");14 await page.WaitForNavigationAsync();15 await page.WaitForSelectorAsync("a[href='/puppeteer/']");16 await page.ClickAsync("a[href='/puppeteer/']");17 await page.WaitForNavigationAsync();18 await page.WaitForSelectorAsync("a[href='

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OnExecutionContextCreated

Using AI Code Generation

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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 {13 Args = new string[] { "--no-sandbox" }14 };15 using (var browser = await Puppeteer.LaunchAsync(options))16 {17 var page = await browser.NewPageAsync();18 await page.EvaluateExpressionAsync("() =>{new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'})))}");19 }20 }21 }22}23using System;24using System.Threading.Tasks;25using PuppeteerSharp;26{27 {28 static void Main(string[] args)29 {30 MainAsync().GetAwaiter().GetResult();31 }32 static async Task MainAsync()33 {34 {35 Args = new string[] { "--no-sandbox" }36 };37 using (var browser = await Puppeteer.LaunchAsync(options))38 {39 var page = await browser.NewPageAsync();40 await page.EvaluateExpressionAsync("() =>{new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'})))}");41 }42 }43 }44}45using System;46using System.Threading.Tasks;47using PuppeteerSharp;48{49 {50 static void Main(string[] args)51 {52 MainAsync().GetAwaiter().GetResult();53 }54 static async Task MainAsync()55 {56 {57 Args = new string[] { "--no-sandbox" }58 };59 using (var browser = await Puppeteer.LaunchAsync(options))60 {

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OnExecutionContextCreated

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static void Main(string[] args)7 {8 MainAsync(args).GetAwaiter().GetResult();9 }10 static async Task MainAsync(string[] args)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 page.WorkerCreated += async (sender, e) =>17 {18 Console.WriteLine("Worker created");19 Console.WriteLine("Worker url: " + e.Worker.Url);20 Console.WriteLine("Worker type: " + e.Worker.Type);21 var worker = e.Worker;22 worker.ExecutionContextCreated += (sender2, e2) =>23 {24 Console.WriteLine("Worker execution context created");25 Console.WriteLine("Worker execution context url: " + e2.ExecutionContext.Url);26 };27 };28 }29 }30 }31}

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OnExecutionContextCreated

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 {9 };10 using (var browser = await Puppeteer.LaunchAsync(launchOptions))11 {12 var page = await browser.NewPageAsync();13 page.WorkerCreated += async (sender, e) =>14 {15 Console.WriteLine("Worker Created");16 await e.Worker.EvaluateFunctionAsync("() => console.log('hello from worker')");17 };18 await page.EvaluateFunctionAsync("() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'})))");19 }20 }21 }22}

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OnExecutionContextCreated

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using System.IO;5using System.Text;6using System.Threading;7{8 {9 static async Task Main(string[] args)10 {11 {12 Args = new[] { "--no-sandbox" }13 };14 using (var browser = await Puppeteer.LaunchAsync(options))15 {16 var page = await browser.NewPageAsync();17 page.Console += (sender, e) => Console.WriteLine(e.Message.Text);18 page.WorkerCreated += (sender, e) => Console.WriteLine($"Worker created: {e.Worker.Url}");19 page.WorkerDestroyed += (sender, e) => Console.WriteLine($"Worker destroyed: {e.Worker.Url}");20 var worker = await page.EvaluateFunctionHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob(['console.log(1);'], {type: 'application/javascript'})))");21 worker.ExecutionContextCreated += (sender, e) => Console.WriteLine($"Worker execution context created: {e.ExecutionContext.Id}");22 await worker.EvaluateExpressionAsync("console.log(2)");23 await Task.Delay(3000);24 }25 }26 }27}

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