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How to use TResult method of PuppeteerSharp.Page class

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

Page.cs

Source:Page.cs

...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)"/>...

Window.cs

Source:Window.cs

...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()...

App.cs

Source:App.cs

...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)...

PuppeteerLoader.cs

Source:PuppeteerLoader.cs

...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)...

SelectorAttribute.cs

Source:SelectorAttribute.cs

...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    ///...

XPathAttribute.cs

Source:XPathAttribute.cs

...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; }...

TResult

Using AI Code Generation

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");

TResult

Using AI Code Generation

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 +

TResult

Using AI Code Generation

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);

TResult

Using AI Code Generation

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}

TResult

Using AI Code Generation

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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