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How to use Worker method of Microsoft.Playwright.Core.Worker class
Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Worker.Worker
Connection.cs
Source:Connection.cs 
...273 break;274 case ChannelOwnerType.Route:275 result = new Route(parent, guid, initializer?.ToObject<RouteInitializer>(DefaultJsonSerializerOptions));276 break;277 case ChannelOwnerType.Worker:278 result = new Worker(parent, guid, initializer?.ToObject<WorkerInitializer>(DefaultJsonSerializerOptions));279 break;280 case ChannelOwnerType.WebSocket:281 result = new WebSocket(parent, guid, initializer?.ToObject<WebSocketInitializer>(DefaultJsonSerializerOptions));282 break;283 case ChannelOwnerType.Selectors:284 result = new Selectors(parent, guid);285 break;286 case ChannelOwnerType.SocksSupport:287 result = new SocksSupport(parent, guid);288 break;289 case ChannelOwnerType.Stream:290 result = new Stream(parent, guid);291 break;292 case ChannelOwnerType.WritableStream:...
BrowserContextChannel.cs
Source:BrowserContextChannel.cs
...38 }39 internal event EventHandler Close;40 internal event EventHandler<BrowserContextPageEventArgs> Page;41 internal event EventHandler<BrowserContextPageEventArgs> BackgroundPage;42 internal event EventHandler<WorkerChannelEventArgs> ServiceWorker;43 internal event EventHandler<BindingCallEventArgs> BindingCall;44 internal event EventHandler<RouteEventArgs> Route;45 internal event EventHandler<BrowserContextChannelRequestEventArgs> Request;46 internal event EventHandler<BrowserContextChannelRequestEventArgs> RequestFinished;47 internal event EventHandler<BrowserContextChannelRequestEventArgs> RequestFailed;48 internal event EventHandler<BrowserContextChannelResponseEventArgs> Response;49 internal override void OnMessage(string method, JsonElement? serverParams)50 {51 switch (method)52 {53 case "close":54 Close?.Invoke(this, EventArgs.Empty);55 break;56 case "bindingCall":57 BindingCall?.Invoke(58 this,59 new() { BindingCall = serverParams?.GetProperty("binding").ToObject<BindingCallChannel>(Connection.DefaultJsonSerializerOptions).Object });60 break;61 case "route":62 var route = serverParams?.GetProperty("route").ToObject<RouteChannel>(Connection.DefaultJsonSerializerOptions).Object;63 var request = serverParams?.GetProperty("request").ToObject<RequestChannel>(Connection.DefaultJsonSerializerOptions).Object;64 Route?.Invoke(65 this,66 new() { Route = route, Request = request });67 break;68 case "page":69 Page?.Invoke(70 this,71 new() { PageChannel = serverParams?.GetProperty("page").ToObject<PageChannel>(Connection.DefaultJsonSerializerOptions) });72 break;73 case "crBackgroundPage":74 BackgroundPage?.Invoke(75 this,76 new() { PageChannel = serverParams?.GetProperty("page").ToObject<PageChannel>(Connection.DefaultJsonSerializerOptions) });77 break;78 case "crServiceWorker":79 ServiceWorker?.Invoke(80 this,81 new() { WorkerChannel = serverParams?.GetProperty("worker").ToObject<WorkerChannel>(Connection.DefaultJsonSerializerOptions) });82 break;83 case "request":84 Request?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));85 break;86 case "requestFinished":87 RequestFinished?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));88 break;89 case "requestFailed":90 RequestFailed?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));91 break;92 case "response":93 Response?.Invoke(this, serverParams?.ToObject<BrowserContextChannelResponseEventArgs>(Connection.DefaultJsonSerializerOptions));94 break;95 }...
PageEvent.cs
Source:PageEvent.cs
...65 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.FrameDetached"/>.66 /// </summary>67 public static PlaywrightEvent<IFrame> FrameDetached { get; } = new() { Name = "FrameDetached" };68 /// <summary>69 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.Worker"/>.70 /// </summary>71 public static PlaywrightEvent<IWorker> Worker { get; } = new() { Name = "Worker" };72 /// <summary>73 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.Dialog"/>.74 /// </summary>75 public static PlaywrightEvent<IDialog> Dialog { get; } = new() { Name = "Dialog" };76 /// <summary>77 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.FileChooser"/>.78 /// </summary>79 public static PlaywrightEvent<IFileChooser> FileChooser { get; } = new() { Name = "FileChooser" };80 /// <summary>81 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.PageError"/>.82 /// </summary>83 public static PlaywrightEvent<string> PageError { get; } = new() { Name = "PageError" };84 /// <summary>85 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.Load"/>....
Worker.cs
Source:Worker.cs
...28using Microsoft.Playwright.Transport.Channels;29using Microsoft.Playwright.Transport.Protocol;30namespace Microsoft.Playwright.Core31{32 internal class Worker : ChannelOwnerBase, IChannelOwner<Worker>, IWorker33 {34 private readonly WorkerChannel _channel;35 private readonly WorkerInitializer _initializer;36 public Worker(IChannelOwner parent, string guid, WorkerInitializer initializer) : base(parent, guid)37 {38 _channel = new(guid, parent.Connection, this);39 _initializer = initializer;40 _channel.Close += (_, _) =>41 {42 if (Page != null)43 {44 Page.WorkersList.Remove(this);45 }46 if (BrowserContext != null)47 {48 BrowserContext.ServiceWorkersList.Remove(this);49 }50 Close?.Invoke(this, this);51 };52 }53 public event EventHandler<IWorker> Close;54 public string Url => _initializer.Url;55 ChannelBase IChannelOwner.Channel => _channel;56 IChannel<Worker> IChannelOwner<Worker>.Channel => _channel;57 internal Page Page { get; set; }58 internal BrowserContext BrowserContext { get; set; }59 public async Task<T> EvaluateAsync<T>(string expression, object arg = null)60 => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvaluateExpressionAsync(61 expression,62 null,63 ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));64 public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null)65 => await _channel.EvaluateExpressionHandleAsync(66 expression,67 null,68 ScriptsHelper.SerializedArgument(arg))69 .ConfigureAwait(false);70 public async Task<IWorker> WaitForCloseAsync(Func<Task> action = default, float? timeout = default)71 {72 using var waiter = new Waiter(this, "worker.WaitForCloseAsync");73 var waiterResult = waiter.GetWaitForEventTask<IWorker>(this, nameof(Close), null);74 var result = waiterResult.Task.WithTimeout(Convert.ToInt32(timeout ?? 0));75 if (action != null)76 {77 await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);78 }79 else80 {81 await result.ConfigureAwait(false);82 }83 return this;84 }85 }86}...
WorkerChannelImpl.cs
Source:WorkerChannelImpl.cs
...35using Microsoft.Playwright.Helpers;36#nullable enable37namespace Microsoft.Playwright.Transport.Channels38{39 internal class WorkerChannelImpl : Channel<Worker>40 {41 public WorkerChannelImpl(string guid, Connection connection, Worker owner) : base(guid, connection, owner)42 {43 }44 // invoked via close45 internal event EventHandler? Close;46 internal virtual async Task<JsonElement> EvaluateExpressionAsync(string expression,47 bool? isFunction,48 object arg)49 => (await Connection.SendMessageToServerAsync<JsonElement>(50 Guid,51 "evaluateExpression",52 new53 {54 expression = expression,55 isFunction = isFunction,56 arg = arg,57 }58 )59 .ConfigureAwait(false)).GetProperty("value");60 internal virtual async Task<JSHandle> EvaluateExpressionHandleAsync(string expression,61 bool? isFunction,62 object arg)63 => (await Connection.SendMessageToServerAsync<JsonElement>(64 Guid,65 "evaluateExpressionHandle",66 new67 {68 expression = expression,69 isFunction = isFunction,70 arg = arg,71 }72 )73 .ConfigureAwait(false)).GetObject<JSHandle>("handle", Connection);74 protected void OnClose() => Close?.Invoke(this, new());75 }76 internal partial class WorkerChannel : WorkerChannelImpl77 {78 public WorkerChannel(string guid, Connection connection, Worker owner) : base(guid, connection, owner)79 {80 }81 }82}83#nullable disable...
Startup.cs
Source:Startup.cs
1using Akka.Actor;2using Akka.Routing;3using Microsoft.AspNetCore.Builder;4using Microsoft.AspNetCore.Hosting;5using Microsoft.Extensions.Configuration;6using Microsoft.Extensions.DependencyInjection;7using Microsoft.Extensions.Hosting;8using Microsoft.OpenApi.Models;9using PrerenderPlaywright.Actors;10using PrerenderPlaywright.Clients;11using System.Linq;12namespace PrerenderPlaywright13{14 public class Startup15 {16 private ActorSystem system;17 public Startup(IConfiguration configuration)18 { 19 Configuration = configuration;20 }21 public IConfiguration Configuration { get; }22 public void ConfigureServices(IServiceCollection services)23 {24 system = ActorSystem.Create("MySystem");25 services.AddSingleton<IProcessClient>(s => new ProcessClient());26 var activityObserverRef = system.ActorOf(BrowserObserverActor.Props());27 var workerNames = Enumerable.Range(1, 5).Select(n => $"worker-{n}");28 var workers = workerNames.Select(name => system.ActorOf(PrerenderActor.Props(activityObserverRef), name));29 var group = new RoundRobinGroup(workers.Select(w => w.Path.ToStringWithAddress()));30 var groupRef = system.ActorOf(Props.Empty.WithRouter(group));31 services.AddSingleton<IRenderingClient>(s => new RenderingClient(groupRef));32 services.AddSingleton<IBrowserClient>(s => new BrowserClient(activityObserverRef)); 33 services.AddControllers();34 services.AddSwaggerGen(c => c.SwaggerDoc("v1", new OpenApiInfo { Title = "PrerenderDotNet", Version = "v1" }));35 }36 public void Configure(IApplicationBuilder app, IHostApplicationLifetime applicationLifetime, IWebHostEnvironment env)37 {38 applicationLifetime.ApplicationStopping.Register(OnShutdown);39 if (env.IsDevelopment())40 {41 app.UseDeveloperExceptionPage(); 42 }43 app.UseSwagger();44 app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "PrerenderDotNet v1"));45 app.UseRouting();46 app.UseAuthorization();47 app.UseEndpoints(endpoints => endpoints.MapControllers());48 }49 private void OnShutdown()50 {51 system?.Dispose();52 }53 }54}...
WorkerChannel.cs
Source:WorkerChannel.cs
...25using System.Text.Json;26using Microsoft.Playwright.Core;27namespace Microsoft.Playwright.Transport.Channels28{29 internal partial class WorkerChannel30 {31 internal override void OnMessage(string method, JsonElement? serverParams)32 {33 switch (method)34 {35 case "close":36 OnClose();37 break;38 }39 }40 }41}...
Function1.cs
Source:Function1.cs
...8using Microsoft.Extensions.Logging;9using Newtonsoft.Json;10using Microsoft.Playwright;11using System.Net;12using Microsoft.Azure.Functions.Worker.Http;13namespace PlayWrightLinuxNet614{15 public static class Function116 {17 [FunctionName("Function1")]18 public static async Task<IActionResult> Run(19 [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,20 ILogger log)21 {22 using var playwright = await Playwright.CreateAsync();23 await using var browser = await playwright.Chromium.LaunchAsync();24 var page = await browser.NewPageAsync();25 await page.GotoAsync("https://playwright.dev/dotnet");26 var screenshot = await page.ScreenshotAsync();...
Worker
Using AI Code Generation
1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 static async Task Main(string[] args)6 {7 using var playwright = await Playwright.CreateAsync();8 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions9 {10 });11 var page = await browser.NewPageAsync();12 var worker = await page.EvaluateHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello')`], { type: 'application/javascript' })))");13 await worker.WaitForEventAsync(WorkerEvent.Console);14 await worker.ConsoleMessageAsync();15 await worker.DisposeAsync();16 await browser.CloseAsync();17 }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23 static async Task Main(string[] args)24 {25 using var playwright = await Playwright.CreateAsync();26 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions27 {28 });29 var page = await browser.NewPageAsync();30 var worker = await page.EvaluateHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello')`], { type: 'application/javascript' })))");31 await worker.WaitForEventAsync(WorkerEvent.Console);32 await worker.ConsoleMessageAsync();33 await worker.DisposeAsync();34 await browser.CloseAsync();35 }36}37using Microsoft.Playwright;38using System;39using System.Threading.Tasks;40{41 static async Task Main(string[] args)42 {43 using var playwright = await Playwright.CreateAsync();44 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions45 {46 });47 var page = await browser.NewPageAsync();48 var worker = await page.EvaluateHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello')`], { type: 'application
Worker
Using AI Code Generation
1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10 {11 });12 var context = await browser.NewContextAsync(new BrowserNewContextOptions13 {14 });15 var page = await context.NewPageAsync();16 var url = await worker.UrlAsync();17 Console.WriteLine(url);18 await page.CloseAsync();19 await context.CloseAsync();20 await browser.CloseAsync();21 }22 }23}24Related Posts: Playwright: How to use Page.GotoAsync() method in C#25Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#26Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#27Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#28Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#29Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#
Worker
Using AI Code Generation
1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync();10 var context = await browser.NewContextAsync();11 var page = await context.NewPageAsync();12 await page.GotoAsync("https
Worker
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 await using var playwright = await Playwright.CreateAsync();10 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 var worker = await page.WorkerAsync();15 var result = await worker.EvaluateAsync<string>("() => { return 'Hello World' }");16 Console.WriteLine(result);17 }18 }19}20Playwright | Page.WorkerAsync() method
Worker
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using Microsoft.Playwright.Transport.Channels;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10 {11 static async Task Main(string[] args)12 {13 using var playwright = await Playwright.CreateAsync();14 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions15 {16 });17 var page = await browser.NewPageAsync();18 var worker = await page.WorkerAsync();19 await worker.EvaluateAsync("() => self.name");20 await worker.EvaluateAsync("() => self.name = 'worker1'");21 await worker.EvaluateAsync("() => self.name");22 }23 }24}25using Microsoft.Playwright;26using Microsoft.Playwright.Core;27using Microsoft.Playwright.Transport.Channels;28using System;29using System.Collections.Generic;30using System.Linq;31using System.Text;32using System.Threading.Tasks;33{34 {35 static async Task Main(string[] args)36 {37 using var playwright = await Playwright.CreateAsync();38 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions39 {40 });41 var page = await browser.NewPageAsync();42 var worker = await page.WorkerAsync();43 await worker.EvaluateAsync("() => self.name");44 await worker.EvaluateAsync("() => self.name = 'worker1'");45 await worker.EvaluateAsync("() => self.name");46 }47 }48}49using Microsoft.Playwright;50using Microsoft.Playwright.Core;51using Microsoft.Playwright.Transport.Channels;52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57{58 {59 static async Task Main(string[] args)60 {
Worker
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Core;8using Microsoft.Playwright.Transport.Channels;9{10 static async Task Main(string[] args)11 {12 await Worker();13 }14 static async Task Worker()15 {16 using var playwright = await Playwright.CreateAsync();17 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);18 var browserContext = await browser.NewContextAsync();19 var page = await browserContext.NewPageAsync();20 var worker = await page.EvaluateHandleAsync("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello from worker')`], {type: 'application/javascript'})))");21 var result = await worker.EvaluateAsync<string>("() => new Promise(f => f('hello from page'))");22 Console.WriteLine(result);23 await browserContext.CloseAsync();24 await browser.CloseAsync();25 }26}27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32using Microsoft.Playwright;33using Microsoft.Playwright.Core;34using Microsoft.Playwright.Transport.Channels;35{36 static async Task Main(string[] args)37 {38 await Worker();39 }40 static async Task Worker()41 {42 using var playwright = await Playwright.CreateAsync();43 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);
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