Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.BrowserContextChannel.ExposeBindingAsync
BrowserContext.cs
Source:BrowserContext.cs
...150 // Swallow exception151 }152 }153 public Task<IReadOnlyList<BrowserContextCookiesResult>> CookiesAsync(IEnumerable<string> urls = null) => Channel.CookiesAsync(urls);154 public Task ExposeBindingAsync(string name, Action callback, BrowserContextExposeBindingOptions options = default)155 => ExposeBindingAsync(name, callback, handle: options?.Handle ?? false);156 public Task ExposeBindingAsync(string name, Action<BindingSource> callback)157 => ExposeBindingAsync(name, (Delegate)callback);158 public Task ExposeBindingAsync<T>(string name, Action<BindingSource, T> callback)159 => ExposeBindingAsync(name, (Delegate)callback);160 public Task ExposeBindingAsync<TResult>(string name, Func<BindingSource, TResult> callback)161 => ExposeBindingAsync(name, (Delegate)callback);162 public Task ExposeBindingAsync<TResult>(string name, Func<BindingSource, IJSHandle, TResult> callback)163 => ExposeBindingAsync(name, callback, true);164 public Task ExposeBindingAsync<T, TResult>(string name, Func<BindingSource, T, TResult> callback)165 => ExposeBindingAsync(name, (Delegate)callback);166 public Task ExposeBindingAsync<T1, T2, TResult>(string name, Func<BindingSource, T1, T2, TResult> callback)167 => ExposeBindingAsync(name, (Delegate)callback);168 public Task ExposeBindingAsync<T1, T2, T3, TResult>(string name, Func<BindingSource, T1, T2, T3, TResult> callback)169 => ExposeBindingAsync(name, (Delegate)callback);170 public Task ExposeBindingAsync<T1, T2, T3, T4, TResult>(string name, Func<BindingSource, T1, T2, T3, T4, TResult> callback)171 => ExposeBindingAsync(name, (Delegate)callback);172 public Task ExposeFunctionAsync(string name, Action callback)173 => ExposeBindingAsync(name, (BindingSource _) => callback());174 public Task ExposeFunctionAsync<T>(string name, Action<T> callback)175 => ExposeBindingAsync(name, (BindingSource _, T t) => callback(t));176 public Task ExposeFunctionAsync<TResult>(string name, Func<TResult> callback)177 => ExposeBindingAsync(name, (BindingSource _) => callback());178 public Task ExposeFunctionAsync<T, TResult>(string name, Func<T, TResult> callback)179 => ExposeBindingAsync(name, (BindingSource _, T t) => callback(t));180 public Task ExposeFunctionAsync<T1, T2, TResult>(string name, Func<T1, T2, TResult> callback)181 => ExposeBindingAsync(name, (BindingSource _, T1 t1, T2 t2) => callback(t1, t2));182 public Task ExposeFunctionAsync<T1, T2, T3, TResult>(string name, Func<T1, T2, T3, TResult> callback)183 => ExposeBindingAsync(name, (BindingSource _, T1 t1, T2 t2, T3 t3) => callback(t1, t2, t3));184 public Task ExposeFunctionAsync<T1, T2, T3, T4, TResult>(string name, Func<T1, T2, T3, T4, TResult> callback)185 => ExposeBindingAsync(name, (BindingSource _, T1 t1, T2 t2, T3 t3, T4 t4) => callback(t1, t2, t3, t4));186 public Task GrantPermissionsAsync(IEnumerable<string> permissions, BrowserContextGrantPermissionsOptions options = default)187 => Channel.GrantPermissionsAsync(permissions, options?.Origin);188 public async Task<IPage> NewPageAsync()189 {190 if (OwnerPage != null)191 {192 throw new PlaywrightException("Please use Browser.NewContextAsync()");193 }194 return (await Channel.NewPageAsync().ConfigureAwait(false)).Object;195 }196 public Task RouteAsync(string url, Action<IRoute> handler, BrowserContextRouteOptions options = default)197 => RouteAsync(new Regex(CombineUrlWithBase(url).GlobToRegex()), null, handler, options);198 public Task RouteAsync(Regex url, Action<IRoute> handler, BrowserContextRouteOptions options = default)199 => RouteAsync(url, null, handler, options);200 public Task RouteAsync(Func<string, bool> url, Action<IRoute> handler, BrowserContextRouteOptions options = default)201 => RouteAsync(null, url, handler, options);202 public Task SetExtraHTTPHeadersAsync(IEnumerable<KeyValuePair<string, string>> headers)203 => Channel.SetExtraHTTPHeadersAsync(headers);204 public Task SetGeolocationAsync(Geolocation geolocation) => Channel.SetGeolocationAsync(geolocation);205 public Task SetOfflineAsync(bool offline) => Channel.SetOfflineAsync(offline);206 public async Task<string> StorageStateAsync(BrowserContextStorageStateOptions options = default)207 {208 string state = JsonSerializer.Serialize(209 await Channel.GetStorageStateAsync().ConfigureAwait(false),210 JsonExtensions.DefaultJsonSerializerOptions);211 if (!string.IsNullOrEmpty(options?.Path))212 {213 File.WriteAllText(options?.Path, state);214 }215 return state;216 }217 public Task UnrouteAsync(string urlString, Action<IRoute> handler = default)218 => UnrouteAsync(new Regex(CombineUrlWithBase(urlString).GlobToRegex()), null, handler);219 public Task UnrouteAsync(Regex urlRegex, Action<IRoute> handler = default)220 => UnrouteAsync(urlRegex, null, handler);221 public Task UnrouteAsync(Func<string, bool> urlFunc, Action<IRoute> handler = default)222 => UnrouteAsync(null, urlFunc, handler);223 public async Task<T> InnerWaitForEventAsync<T>(PlaywrightEvent<T> playwrightEvent, Func<Task> action = default, Func<T, bool> predicate = default, float? timeout = default)224 {225 if (playwrightEvent == null)226 {227 throw new ArgumentException("Page event is required", nameof(playwrightEvent));228 }229 timeout ??= DefaultTimeout;230 using var waiter = new Waiter(this, $"context.WaitForEventAsync(\"{playwrightEvent.Name}\")");231 waiter.RejectOnTimeout(Convert.ToInt32(timeout), $"Timeout {timeout}ms exceeded while waiting for event \"{playwrightEvent.Name}\"");232 if (playwrightEvent.Name != BrowserContextEvent.Close.Name)233 {234 waiter.RejectOnEvent<IBrowserContext>(this, BrowserContextEvent.Close.Name, new("Context closed"));235 }236 var result = waiter.WaitForEventAsync(this, playwrightEvent.Name, predicate);237 if (action != null)238 {239 await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);240 }241 return await result.ConfigureAwait(false);242 }243 public Task<IPage> WaitForPageAsync(BrowserContextWaitForPageOptions options = default)244 => InnerWaitForEventAsync(BrowserContextEvent.Page, null, options?.Predicate, options?.Timeout);245 public Task<IPage> RunAndWaitForPageAsync(Func<Task> action, BrowserContextRunAndWaitForPageOptions options = default)246 => InnerWaitForEventAsync(BrowserContextEvent.Page, action, options?.Predicate, options?.Timeout);247 public ValueTask DisposeAsync() => new ValueTask(CloseAsync());248 public void SetDefaultNavigationTimeout(float timeout) => DefaultNavigationTimeout = timeout;249 public void SetDefaultTimeout(float timeout) => DefaultTimeout = timeout;250 internal void OnRoute(Route route, IRequest request)251 {252 foreach (var routeHandler in _routes)253 {254 if (255 routeHandler.Regex?.IsMatch(request.Url) == true ||256 routeHandler.Function?.Invoke(request.Url) == true)257 {258 try259 {260 routeHandler.Handle(route);261 }262 finally263 {264 if (!routeHandler.IsActive())265 {266 _routes.Remove(routeHandler);267 if (_routes.Count == 0)268 {269 DisableInterceptionAsync().ConfigureAwait(false);270 }271 }272 }273 return;274 }275 }276 route.ContinueAsync().IgnoreException();277 }278 internal async Task DisableInterceptionAsync()279 {280 await Channel.SetNetworkInterceptionEnabledAsync(false).ConfigureAwait(false);281 }282 internal bool UrlMatches(string url, string glob)283 => new Regex(CombineUrlWithBase(glob).GlobToRegex()).Match(url).Success;284 internal string CombineUrlWithBase(string url)285 {286 var baseUrl = Options?.BaseURL;287 if (string.IsNullOrEmpty(baseUrl)288 || (url?.StartsWith("*", StringComparison.InvariantCultureIgnoreCase) ?? false)289 || !Uri.IsWellFormedUriString(url, UriKind.RelativeOrAbsolute))290 {291 return url;292 }293 var mUri = new Uri(url, UriKind.RelativeOrAbsolute);294 if (!mUri.IsAbsoluteUri)295 {296 return new Uri(new Uri(baseUrl), mUri).ToString();297 }298 return url;299 }300 private Task RouteAsync(Regex urlRegex, Func<string, bool> urlFunc, Action<IRoute> handler, BrowserContextRouteOptions options)301 => RouteAsync(new()302 {303 Regex = urlRegex,304 Function = urlFunc,305 Handler = handler,306 Times = options?.Times,307 });308 private Task RouteAsync(RouteSetting setting)309 {310 _routes.Insert(0, setting);311 if (_routes.Count == 1)312 {313 return Channel.SetNetworkInterceptionEnabledAsync(true);314 }315 return Task.CompletedTask;316 }317 private Task UnrouteAsync(Regex urlRegex, Func<string, bool> urlFunc, Action<IRoute> handler = null)318 => UnrouteAsync(new()319 {320 Function = urlFunc,321 Regex = urlRegex,322 Handler = handler,323 });324 private Task UnrouteAsync(RouteSetting setting)325 {326 var newRoutesList = new List<RouteSetting>();327 newRoutesList.AddRange(_routes.Where(r =>328 (setting.Regex != null && !(r.Regex == setting.Regex || (r.Regex.ToString() == setting.Regex.ToString() && r.Regex.Options == setting.Regex.Options))) ||329 (setting.Function != null && r.Function != setting.Function) ||330 (setting.Handler != null && r.Handler != setting.Handler)));331 _routes = newRoutesList;332 if (_routes.Count == 0)333 {334 return Channel.SetNetworkInterceptionEnabledAsync(false);335 }336 return Task.CompletedTask;337 }338 internal void OnClose()339 {340 if (Browser != null)341 {342 ((Browser)Browser).BrowserContextsList.Remove(this);343 }344 Close?.Invoke(this, this);345 _closeTcs.TrySetResult(true);346 }347 private void Channel_OnPage(object sender, BrowserContextPageEventArgs e)348 {349 var page = e.PageChannel.Object;350 page.Context = this;351 PagesList.Add(page);352 Page?.Invoke(this, page);353 if (page.Opener?.IsClosed == false)354 {355 page.Opener.NotifyPopup(page);356 }357 }358 private void Channel_BindingCall(object sender, BindingCallEventArgs e)359 {360 if (_bindings.TryGetValue(e.BindingCall.Name, out var binding))361 {362 _ = e.BindingCall.CallAsync(binding);363 }364 }365 private void Channel_Route(object sender, RouteEventArgs e) => OnRoute(e.Route, e.Request);366 private Task ExposeBindingAsync(string name, Delegate callback, bool handle = false)367 {368 foreach (var page in PagesList)369 {370 if (page.Bindings.ContainsKey(name))371 {372 throw new PlaywrightException($"Function \"{name}\" has been already registered in one of the pages");373 }374 }375 if (_bindings.ContainsKey(name))376 {377 throw new PlaywrightException($"Function \"{name}\" has been already registered");378 }379 _bindings.Add(name, callback);380 return Channel.ExposeBindingAsync(name, handle);381 }382 }383}...
BrowserContextChannel.cs
Source:BrowserContextChannel.cs
...117 new Dictionary<string, object>118 {119 ["timeout"] = timeout,120 });121 internal Task ExposeBindingAsync(string name, bool needsHandle)122 => Connection.SendMessageToServerAsync<PageChannel>(123 Guid,124 "exposeBinding",125 new Dictionary<string, object>126 {127 ["name"] = name,128 ["needsHandle"] = needsHandle,129 });130 internal Task AddInitScriptAsync(string script)131 => Connection.SendMessageToServerAsync<PageChannel>(132 Guid,133 "addInitScript",134 new Dictionary<string, object>135 {...
ExposeBindingAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10 {11 });12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 var binding = await context.ExposeBindingAsync("myBinding", (string arg) => {15 Console.WriteLine("I was called with " + arg);16 return Task.CompletedTask;17 });18 await page.EvaluateAsync(@"async () => {19 await myBinding(""hello"");20 }");21 }22 }23}24using System;25using System.Threading.Tasks;26using Microsoft.Playwright;27{28 {29 static async Task Main(string[] args)30 {31 using var playwright = await Playwright.CreateAsync();32 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions33 {34 });35 var context = await browser.NewContextAsync();36 var page = await context.NewPageAsync();37 var binding = await context.ExposeBindingAsync("myBinding", (string arg) => {38 Console.WriteLine("I was called with " + arg);39 return Task.CompletedTask;40 });41 await page.EvaluateAsync(@"async () => {42 await myBinding(""hello"");43 }");44 }45 }46}47using System;48using System.Threading.Tasks;49using Microsoft.Playwright;50{51 {52 static async Task Main(string[] args)53 {54 using var playwright = await Playwright.CreateAsync();55 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions56 {
ExposeBindingAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 await using 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 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>17 {18 Console.WriteLine("myBinding function called");19 return Task.CompletedTask;20 });21 await page.EvaluateAsync("() => window.myBinding('hello')");22 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>23 {24 Console.WriteLine("myBinding function called");25 return Task.CompletedTask;26 });27 await page.EvaluateAsync("() => window.myBinding('hello')");28 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>29 {30 Console.WriteLine("myBinding function called");31 return Task.CompletedTask;32 });33 await page.EvaluateAsync("() => window.myBinding('hello')");34 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>35 {36 Console.WriteLine("myBinding function called");37 return Task.CompletedTask;38 });39 await page.EvaluateAsync("() => window.myBinding('hello')");40 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>41 {42 Console.WriteLine("myBinding function called");43 return Task.CompletedTask;44 });45 await page.EvaluateAsync("() => window.myBinding('hello')");46 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>47 {48 Console.WriteLine("myBinding function called");49 return Task.CompletedTask;50 });51 await page.EvaluateAsync("() => window.myBinding('hello')");52 await page.ExposeBindingAsync("myBinding", (BindingSource source, object arg) =>53 {54 Console.WriteLine("myBinding function called");55 return Task.CompletedTask;56 });57 await page.EvaluateAsync("()
ExposeBindingAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync();10 var page = await browser.NewPageAsync();11 var context = page.Context;12 var channel = context.Channel;13 var binding = await channel.ExposeBindingAsync("testBinding", new Func<object, Task<object>>(async (arg) =>14 {15 return await Task.FromResult("Hello World");16 }));17 var result = await page.EvaluateAsync<string>("() => testBinding()");18 Console.WriteLine(result);19 }20 }21}
ExposeBindingAsync
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var context = await browser.NewContextAsync();4var page = await context.NewPageAsync();5var binding = await context.ExposeBindingAsync("add", (source, args) =>6{7 return (int)args[0] + (int)args[1];8});9var result = await page.EvaluateAsync<int>("async () => { return await add(5, 6); }");10Console.WriteLine(result);11Recommended Posts: C# | Playwright - Page.EvaluateAsync() Method12C# | Playwright - Page.EvaluateOnNewDocumentAsync() Method13C# | Playwright - Page.EvaluateOnSelectorAsync() Method14C# | Playwright - Page.EvaluateOnSelectorAllAsync() Method15C# | Playwright - Page.EvaluateHandleAsync() Method16C# | Playwright - Page.EvaluateHandleOnNewDocumentAsync() Method17C# | Playwright - Page.EvaluateHandleOnSelectorAsync() Method18C# | Playwright - Page.EvaluateHandleOnSelectorAllAsync() Method19C# | Playwright - Page.ExposeBindingAsync() Method20C# | Playwright - Page.ExposeFunctionAsync() Method21C# | Playwright - Page.FillAsync() Method22C# | Playwright - Page.FocusAsync() Method23C# | Playwright - Page.FrameAsync() Method24C# | Playwright - Page.GoBackAsync() Method25C# | Playwright - Page.GoForwardAsync() Method26C# | Playwright - Page.GotoAsync() Method27C# | Playwright - Page.HoverAsync() Method28C# | Playwright - Page.KeyboardAsync() Method29C# | Playwright - Page.MainFrameAsync() Method30C# | Playwright - Page.MouseAsync() Method31C# | Playwright - Page.PressAsync() Method32C# | Playwright - Page.QuerySelectorAsync() Method33C# | Playwright - Page.QuerySelectorAllAsync() Method34C# | Playwright - Page.ReloadAsync() Method35C# | Playwright - Page.RouteAsync() Method36C# | Playwright - Page.SelectAsync() Method37C# | Playwright - Page.SetContentAsync() Method
ExposeBindingAsync
Using AI Code Generation
1{2 {3 static async Task Main(string[] args)4 {5 using var playwright = await Playwright.CreateAsync();6 await using var browser = await playwright.Chromium.LaunchAsync();7 var page = await browser.NewPageAsync();8 var element = await page.QuerySelectorAsync("input[name='q']");9 var context = await page.ContextAsync();10 await context.ExposeBindingAsync("myFunction", (IJSHandle arg) => Task.FromResult("Hello from Playwright!"));11 await element.EvaluateAsync("element => element.value = myFunction()");12 await page.ScreenshotAsync("screenshot.png");13 }14 }15}
ExposeBindingAsync
Using AI Code Generation
1using System.Threading.Tasks;2using Microsoft.Playwright;3{4 {5 static async Task Main(string[] args)6 {7 await using var playwright = await Playwright.CreateAsync();8 await using var browser = await playwright.Chromium.LaunchAsync();9 var context = await browser.NewContextAsync();10 var page = await context.NewPageAsync();11 await context.ExposeBindingAsync("myFunction", (BindingSource bindingSource, string arg1) =>12 {13 return "Hello " + arg1;14 });15 }16 }17}18using System.Threading.Tasks;19using Microsoft.Playwright;20{21 {22 static async Task Main(string[] args)23 {24 await using var playwright = await Playwright.CreateAsync();25 await using var browser = await playwright.Chromium.LaunchAsync();26 var context = await browser.NewContextAsync();27 var page = await context.NewPageAsync();28 await page.ExposeBindingAsync("myFunction", (BindingSource bindingSource, string arg1) =>29 {30 return "Hello " + arg1;31 });32 }33 }34}35using System.Threading.Tasks;36using Microsoft.Playwright;37{38 {39 static async Task Main(string[] args)40 {41 await using var playwright = await Playwright.CreateAsync();42 await using var browser = await playwright.Chromium.LaunchAsync();43 var context = await browser.NewContextAsync();44 var page = await context.NewPageAsync();45 var frame = page.MainFrame;46 await frame.ExposeBindingAsync("myFunction", (BindingSource bindingSource, string arg1) =>47 {48 return "Hello " + arg1;49 });50 }51 }52}53using System.Threading.Tasks;54using Microsoft.Playwright;55{
ExposeBindingAsync
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;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.Webkit.LaunchAsync();10 var context = await browser.NewContextAsync();11 var page = await context.NewPageAsync();12 var elementHandle = await page.QuerySelectorAsync("input[name='q']");13 await elementHandle.FocusAsync();14 await elementHandle.TypeAsync("Hello World");15 await elementHandle.PressAsync("Enter");16 await page.ScreenshotAsync("google.png");17 await browser.CloseAsync();18 }19 }20}21using Microsoft.Playwright;22using Microsoft.Playwright.Transport.Channels;23using System.Threading.Tasks;24{25 {26 static async Task Main(string[] args)27 {28 using var playwright = await Playwright.CreateAsync();29 var browser = await playwright.Webkit.LaunchAsync();30 var context = await browser.NewContextAsync();31 var page = await context.NewPageAsync();32 var elementHandle = await page.QuerySelectorAsync("input[name='q']");33 await elementHandle.FocusAsync();34 await elementHandle.TypeAsync("Hello World");35 await elementHandle.PressAsync("Enter");36 await page.ScreenshotAsync("google.png");37 await browser.CloseAsync();38 }39 }40}41using Microsoft.Playwright;42using Microsoft.Playwright.Transport.Channels;43using System.Threading.Tasks;44{45 {46 static async Task Main(string[] args)47 {48 using var playwright = await Playwright.CreateAsync();49 var browser = await playwright.Webkit.LaunchAsync();50 var context = await browser.NewContextAsync();51 var page = await context.NewPageAsync();52 var elementHandle = await page.QuerySelectorAsync("input[name='q']");53 await elementHandle.FocusAsync();
ExposeBindingAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5 {6 static async Task Main(string[] args)7 {8 await using var playwright = await Playwright.CreateAsync();9 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10 {11 });12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 await context.ExposeBindingAsync("myBinding", (BindingSource bindingSource, object arg1) =>15 {16 Console.WriteLine("Binding called!");17 });18 await page.EvaluateAsync("() => myBinding()");19 Console.WriteLine("Press any key to close the browser");20 Console.ReadKey();21 }22 }23}24using System;25using System.Threading.Tasks;26using Microsoft.Playwright;27{28 {29 static async Task Main(string[] args)30 {31 await using var playwright = await Playwright.CreateAsync();32 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions33 {34 });35 var context = await browser.NewContextAsync();36 var page = await context.NewPageAsync();37 await context.ExposeBindingAsync("myBinding", "myBindingName", (BindingSource bindingSource, object arg1) =>38 {39 Console.WriteLine("Binding called!");40 });41 await page.EvaluateAsync("() => myBindingName()");42 Console.WriteLine("Press any key to close the browser");43 Console.ReadKey();44 }45 }46}
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