How to use TResult method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.TResult

Page.cs

Source:Page.cs Github

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...418 /// <summary>419 /// Adds a function called <c>name</c> on the page's <c>window</c> object.420 /// When called, the function executes <paramref name="puppeteerFunction"/> in C# and returns a <see cref="Task"/> which resolves to the return value of <paramref name="puppeteerFunction"/>.421 /// </summary>422 /// <typeparam name="TResult">The result of <paramref name="puppeteerFunction"/></typeparam>423 /// <param name="name">Name of the function on the window object</param>424 /// <param name="puppeteerFunction">Callback function which will be called in Puppeteer's context.</param>425 /// <remarks>426 /// If the <paramref name="puppeteerFunction"/> returns a <see cref="Task"/>, it will be awaited.427 /// Functions installed via <see cref="ExposeFunctionAsync{TResult}(string, Func{TResult})"/> survive navigations428 /// </remarks>429 /// <returns>Task</returns>430 public Task ExposeFunctionAsync<TResult>(string name, Func<TResult> puppeteerFunction)431 => ExposeFunctionAsync(name, (Delegate)puppeteerFunction);432 /// <summary>433 /// Adds a function called <c>name</c> on the page's <c>window</c> object.434 /// When called, the function executes <paramref name="puppeteerFunction"/> in C# and returns a <see cref="Task"/> which resolves to the return value of <paramref name="puppeteerFunction"/>.435 /// </summary>436 /// <typeparam name="TResult">The result of <paramref name="puppeteerFunction"/></typeparam>437 /// <typeparam name="T">The parameter of <paramref name="puppeteerFunction"/></typeparam>438 /// <param name="name">Name of the function on the window object</param>439 /// <param name="puppeteerFunction">Callback function which will be called in Puppeteer's context.</param>440 /// <remarks>441 /// If the <paramref name="puppeteerFunction"/> returns a <see cref="Task"/>, it will be awaited.442 /// Functions installed via <see cref="ExposeFunctionAsync{T, TResult}(string, Func{T, TResult})"/> survive navigations443 /// </remarks>444 /// <returns>Task</returns>445 public Task ExposeFunctionAsync<T, TResult>(string name, Func<T, TResult> puppeteerFunction)446 => ExposeFunctionAsync(name, (Delegate)puppeteerFunction);447 /// <summary>448 /// Adds a function called <c>name</c> on the page's <c>window</c> object.449 /// When called, the function executes <paramref name="puppeteerFunction"/> in C# and returns a <see cref="Task"/> which resolves to the return value of <paramref name="puppeteerFunction"/>.450 /// </summary>451 /// <typeparam name="TResult">The result of <paramref name="puppeteerFunction"/></typeparam>452 /// <typeparam name="T1">The first parameter of <paramref name="puppeteerFunction"/></typeparam>453 /// <typeparam name="T2">The second parameter of <paramref name="puppeteerFunction"/></typeparam>454 /// <param name="name">Name of the function on the window object</param>455 /// <param name="puppeteerFunction">Callback function which will be called in Puppeteer's context.</param>456 /// <remarks>457 /// If the <paramref name="puppeteerFunction"/> returns a <see cref="Task"/>, it will be awaited.458 /// Functions installed via <see cref="ExposeFunctionAsync{T1, T2, TResult}(string, Func{T1, T2, TResult})"/> survive navigations459 /// </remarks>460 /// <returns>Task</returns>461 public Task ExposeFunctionAsync<T1, T2, TResult>(string name, Func<T1, T2, TResult> puppeteerFunction)462 => ExposeFunctionAsync(name, (Delegate)puppeteerFunction);463 /// <summary>464 /// Adds a function called <c>name</c> on the page's <c>window</c> object.465 /// When called, the function executes <paramref name="puppeteerFunction"/> in C# and returns a <see cref="Task"/> which resolves to the return value of <paramref name="puppeteerFunction"/>.466 /// </summary>467 /// <typeparam name="TResult">The result of <paramref name="puppeteerFunction"/></typeparam>468 /// <typeparam name="T1">The first parameter of <paramref name="puppeteerFunction"/></typeparam>469 /// <typeparam name="T2">The second parameter of <paramref name="puppeteerFunction"/></typeparam>470 /// <typeparam name="T3">The third parameter of <paramref name="puppeteerFunction"/></typeparam>471 /// <param name="name">Name of the function on the window object</param>472 /// <param name="puppeteerFunction">Callback function which will be called in Puppeteer's context.</param>473 /// <remarks>474 /// If the <paramref name="puppeteerFunction"/> returns a <see cref="Task"/>, it will be awaited.475 /// Functions installed via <see cref="ExposeFunctionAsync{T1, T2, T3, TResult}(string, Func{T1, T2, T3, TResult})"/> survive navigations476 /// </remarks>477 /// <returns>Task</returns>478 public Task ExposeFunctionAsync<T1, T2, T3, TResult>(string name, Func<T1, T2, T3, TResult> puppeteerFunction)479 => ExposeFunctionAsync(name, (Delegate)puppeteerFunction);480 /// <summary>481 /// Adds a function called <c>name</c> on the page's <c>window</c> object.482 /// When called, the function executes <paramref name="puppeteerFunction"/> in C# and returns a <see cref="Task"/> which resolves to the return value of <paramref name="puppeteerFunction"/>.483 /// </summary>484 /// <typeparam name="TResult">The result of <paramref name="puppeteerFunction"/></typeparam>485 /// <typeparam name="T1">The first parameter of <paramref name="puppeteerFunction"/></typeparam>486 /// <typeparam name="T2">The second parameter of <paramref name="puppeteerFunction"/></typeparam>487 /// <typeparam name="T3">The third parameter of <paramref name="puppeteerFunction"/></typeparam>488 /// <typeparam name="T4">The fourth parameter of <paramref name="puppeteerFunction"/></typeparam>489 /// <param name="name">Name of the function on the window object</param>490 /// <param name="puppeteerFunction">Callback function which will be called in Puppeteer's context.</param>491 /// <remarks>492 /// If the <paramref name="puppeteerFunction"/> returns a <see cref="Task"/>, it will be awaited.493 /// Functions installed via <see cref="ExposeFunctionAsync{T1, T2, T3, T4, TResult}(string, Func{T1, T2, T3, T4, TResult})"/> survive navigations494 /// </remarks>495 /// <returns>Task</returns>496 public Task ExposeFunctionAsync<T1, T2, T3, T4, TResult>(string name, Func<T1, T2, T3, T4, TResult> puppeteerFunction)497 => ExposeFunctionAsync(name, (Delegate)puppeteerFunction);498 /// <summary>499 /// Gets the full HTML contents of the page, including the doctype.500 /// </summary>501 /// <returns>Task which resolves to the HTML content.</returns>502 /// <seealso cref="Frame.GetContentAsync"/>503 public Task<string> GetContentAsync() => FrameManager.MainFrame.GetContentAsync();504 /// <summary>505 /// Sets the HTML markup to the page506 /// </summary>507 /// <param name="html">HTML markup to assign to the page.</param>508 /// <param name="options">The navigations options</param>509 /// <returns>Task.</returns>510 /// <seealso cref="Frame.SetContentAsync(string, NavigationOptions)"/>...

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Window.cs

Source:Window.cs Github

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...63 public async Task CloseAsync()64 {65 await _page.CloseAsync();66 }67 public async Task ExposeFunctionAsync<TResult>(string name, Func<TResult> function)68 {69 await _page.ExposeFunctionAsync(name, function);70 }71 public async Task ExposeFunctionAsync<T, TResult>(string name, Func<T, TResult> function)72 {73 await _page.ExposeFunctionAsync(name, function);74 }75 public async Task ExposeFunctionAsync<T1, T2, TResult>(string name, Func<T1, T2, TResult> function)76 {77 await _page.ExposeFunctionAsync(name, function);78 }79 public async Task ExposeFunctionAsync<T1, T2, T3, TResult>(string name, Func<T1, T2, T3, TResult> function)80 {81 await _page.ExposeFunctionAsync(name, function);82 }83 public async Task ExposeFunctionAsync<T1, T2, T3, T4, TResult>(string name, Func<T1, T2, T3, T4, TResult> function)84 {85 await _page.ExposeFunctionAsync(name, function);86 }87 public async Task SendIpcMessageAsync(string channel, string message)88 {89 var script = $@"window.ipc.__receiveIpcMessage('{channel}', '{message}');";90 await EvaluateAsync(script);91 }92 public async Task SendIpcMessageAsync(string channel, JObject obj)93 {94 var script = $@"window.ipc.__receiveIpcMessage('{channel}', {obj});";95 await EvaluateAsync(script);96 }97 internal async Task InitAsync()...

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App.cs

Source:App.cs Github

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...111 public void ServeAssembly(Assembly assembly, string @namespace, string prefix = "")112 {113 _www.Add(new ServingItem() { Prefix = WrapPrefix(prefix), Assembly = assembly, DefaultNamespace = @namespace });114 }115 public async Task ExposeFunctionAsync<T, TResult>(string name, Func<T, TResult> function)116 {117 _exposedFunctions.Add(name, function);118 var tasks = new List<Task>(_windows.Count);119 foreach (var window in _windows)120 {121 tasks.Add(window.ExposeFunctionAsync(name, function));122 }123 await Task.WhenAll(tasks.ToArray());124 }125 public async Task ExposeFunctionAsync<T>(string name, Func<T> function)126 {127 _exposedFunctions.Add(name, function);128 var tasks = new List<Task>(_windows.Count);129 foreach (var window in _windows)...

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PuppeteerLoader.cs

Source:PuppeteerLoader.cs Github

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...69 //await page.ReloadAsync();70 await page.ScreenshotAsync(outputPath);71 logger.LogInformation($"Screenshoot successfully saved to {outputPath}");72 }73 private async Task<TResult> ReconnectOnExceptionAsync<TResult, TException>(74 int maxRetryCount,75 TimeSpan delay,76 Func<Task<TResult>> onRetryAsync) where TException : Exception77 {78 if (maxRetryCount <= 0)79 throw new ArgumentOutOfRangeException(nameof(maxRetryCount));80 var attempts = 0;81 while (true)82 {83 try84 {85 attempts++;86 return await onRetryAsync();87 }88 catch (TException ex)89 {90 if (attempts == maxRetryCount)...

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SelectorAttribute.cs

Source:SelectorAttribute.cs Github

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...9 /// <item><description>public</description></item>10 /// <item><description>virtual</description></item>11 /// <item><description>getter</description></item>12 /// </list>13 /// that returns a <see cref="System.Threading.Tasks.Task{TResult}" /> of:14 /// <list type="bullet">15 /// <item><description><see cref="ElementHandle" />,</description></item>16 /// <item><description><see cref="ElementHandle" />[],</description></item>17 /// <item><description><see cref="ElementObject" /> or</description></item>18 /// <item><description><see cref="ElementObject" />[]</description></item>19 /// </list>20 /// </summary>21 /// <example>22 /// Usage:23 /// <code>24 /// <![CDATA[25 /// [Selector("#foo")]26 /// public virtual Task<ElementHandle> SelectorForElementHandle { get; }27 ///...

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XPathAttribute.cs

Source:XPathAttribute.cs Github

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...9 /// <item><description>public</description></item>10 /// <item><description>virtual</description></item>11 /// <item><description>getter</description></item>12 /// </list>13 /// that returns a <see cref="System.Threading.Tasks.Task{TResult}" /> of:14 /// <list type="bullet">15 /// <item><description><see cref="ElementHandle" />[] or</description></item>16 /// <item><description><see cref="ElementObject" />[]</description></item>17 /// </list>18 /// </summary>19 /// <example>20 /// Usage:21 /// <code>22 /// <![CDATA[23 /// [XPath("//div")]24 /// public virtual Task<ElementHandle[]> XPathForElementHandleArray { get; }25 ///26 /// [XPath("//div")]27 /// public virtual Task<FooElementObject[]> XPathForElementObjectArray { get; }...

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TResult

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1var page = await browser.NewPageAsync();2var result = await page.EvaluateExpressionAsync<TResult>("1+1");3var page = await browser.NewPageAsync();4var result = await page.EvaluateExpressionAsync<TResult>("1+1");5var page = await browser.NewPageAsync();6var result = await page.EvaluateExpressionAsync<TResult>("1+1");7var page = await browser.NewPageAsync();8var result = await page.EvaluateExpressionAsync<TResult>("1+1");9var page = await browser.NewPageAsync();10var result = await page.EvaluateExpressionAsync<TResult>("1+1");11var page = await browser.NewPageAsync();12var result = await page.EvaluateExpressionAsync<TResult>("1+1");13var page = await browser.NewPageAsync();14var result = await page.EvaluateExpressionAsync<TResult>("1+1");15var page = await browser.NewPageAsync();16var result = await page.EvaluateExpressionAsync<TResult>("1+1");17var page = await browser.NewPageAsync();18var result = await page.EvaluateExpressionAsync<TResult>("1+1");19var page = await browser.NewPageAsync();20var result = await page.EvaluateExpressionAsync<TResult>("1+1");21var page = await browser.NewPageAsync();22var result = await page.EvaluateExpressionAsync<TResult>("1+1");23var page = await browser.NewPageAsync();24var result = await page.EvaluateExpressionAsync<TResult>("1+1");

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TResult

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");3var page = await browser.NewPageAsync();4var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");5var page = await browser.NewPageAsync();6var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");7var page = await browser.NewPageAsync();8var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");9var page = await browser.NewPageAsync();10var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");11var page = await browser.NewPageAsync();12var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");13var page = await browser.NewPageAsync();14var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");15var page = await browser.NewPageAsync();16var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 + 2; }");17var page = await browser.NewPageAsync();18var result = await page.EvaluateFunctionAsync<TResult>("() => { return 2 +

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TResult

Using AI Code Generation

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1var result = await page.EvaluateFunctionAsync<TResult>("() => { return 10; }");2Console.WriteLine(result);3dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");4Console.WriteLine(result);5dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");6Console.WriteLine(result);7dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");8Console.WriteLine(result);9dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");10Console.WriteLine(result);11dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");12Console.WriteLine(result);13dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");14Console.WriteLine(result);15dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");16Console.WriteLine(result);17dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");18Console.WriteLine(result);19dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");20Console.WriteLine(result);21dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");22Console.WriteLine(result);23dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");24Console.WriteLine(result);25dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");26Console.WriteLine(result);27dynamic result = await page.EvaluateFunctionAsync("() => { return 10; }");28Console.WriteLine(result);

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TResult

Using AI Code Generation

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1public async Task<TResult> Method1<TResult>(string method, object[] args)2{3 var result = await _page.EvaluateFunctionAsync<TResult>(method, args);4 return result;5}6public async Task Method2()7{8 var result = await _page.Method1<string>("method", null);9}

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TResult

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var result = await page.EvaluateExpressionAsync<TResult>("() => { return {foo: 'bar'}; }");3var page = await browser.NewPageAsync();4dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");5var page = await browser.NewPageAsync();6dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");7var page = await browser.NewPageAsync();8dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");9var page = await browser.NewPageAsync();10dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");11var page = await browser.NewPageAsync();12dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");13var page = await browser.NewPageAsync();14dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");15var page = await browser.NewPageAsync();16dynamic result = await page.EvaluateExpressionAsync<dynamic>("() => { return {foo: 'bar'}; }");

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