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How to use WaitForNetworkIdleAsync method of PuppeteerSharp.Page class

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

Page.cs

Source:Page.cs

...1544        /// await page.WaitForNetworkIdle(); // The Task resolves after fetch above finishes1545        /// ]]>1546        /// </code>1547        /// </example>1548        public async Task WaitForNetworkIdleAsync(WaitForNetworkIdleOptions options = null)1549        {1550            var timeout = options?.Timeout ?? DefaultTimeout;1551            var idleTime = options?.IdleTime ?? 500;1552            var networkIdleTcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);1553            var idleTimer = new Timer1554            {1555                Interval = idleTime1556            };1557            idleTimer.Elapsed += (sender, args) =>1558            {1559                networkIdleTcs.TrySetResult(true);1560            };1561            var networkManager = FrameManager.NetworkManager;1562            void Evaluate()...

WaitForNetworkIdleTests.cs

Source:WaitForNetworkIdleTests.cs

...18        {19            var t1 = DateTime.Now;20            var t2 = DateTime.Now;21            await Page.GoToAsync(TestConstants.EmptyPage);22            var task = Page.WaitForNetworkIdleAsync().ContinueWith(x => t1 = DateTime.Now);23            await Task.WhenAll(24                task,25                Page.EvaluateFunctionAsync(@"26                    (async () => {27                        await Promise.all([28                                fetch('/digits/1.png'),29                                fetch('/digits/2.png'),30                            ]);31                        await new Promise((resolve) => setTimeout(resolve, 200));32                        await fetch('/digits/3.png');33                        await new Promise((resolve) => setTimeout(resolve, 200));34                        await fetch('/digits/4.png');35                    })();").ContinueWith(x => t2 = DateTime.Now)36            );37            Assert.True(t1 > t2);38            Assert.True((t1 - t2).TotalMilliseconds >= 400);39        }40        [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should respect timeout")]41        [PuppeteerFact]42        public async Task ShouldRespectTimeout()43        {44            await Page.GoToAsync(TestConstants.EmptyPage);45            var exception = await Assert.ThrowsAnyAsync<TimeoutException>(async () =>46                await Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 1 }));47            Assert.Contains("Timeout of 1 ms exceeded", exception.Message);48        }49        // This should work on Firefox, this ignore should be temporal50        // PRs are welcome :)51        [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should respect idleTime")]52        [SkipBrowserFact(skipFirefox: true)] 53        public async Task ShouldRespectIdleTimeout()54        {55            var t1 = DateTime.Now;56            var t2 = DateTime.Now;57            await Page.GoToAsync(TestConstants.EmptyPage);58            var task = Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { IdleTime = 10 }).ContinueWith(x => t1 = DateTime.Now);59            await Task.WhenAll(60                task,61                Page.EvaluateFunctionAsync(@"() =>62                (async () => {63                    await Promise.all([64                    fetch('/digits/1.png'),65                    fetch('/digits/2.png'),66                    ]);67                    await new Promise((resolve) => setTimeout(resolve, 250));68                })()").ContinueWith(x => t2 = DateTime.Now)69            );70            Assert.True(t2 > t1);71        }72        [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should work with no timeout")]73        [PuppeteerFact]74        public async Task ShouldWorkWithNoTimeout()75        {76            await Page.GoToAsync(TestConstants.EmptyPage);77            await Task.WhenAll(78                Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 0 }),79                Page.EvaluateFunctionAsync(@"() => setTimeout(() => {80                        fetch('/digits/1.png');81                        fetch('/digits/2.png');82                        fetch('/digits/3.png');83                    }, 50)")84            );85        }86    }87}...

WaitForNetworkIdleOptions.cs

Source:WaitForNetworkIdleOptions.cs

2{3    /// <summary>4    /// Optional waiting parameters.5    /// </summary>6    /// <seealso cref="Page.WaitForNetworkIdleAsync"/>7    public class WaitForNetworkIdleOptions8    {9        /// <summary>10        /// Maximum time to wait for in milliseconds. Defaults to 30000 (30 seconds). Pass 0 to disable timeout.11        /// The default value can be changed by setting the <see cref="Page.DefaultTimeout"/> property.12        /// </summary>13        public int? Timeout { get; set; }14        /// <summary>15        /// How long to wait for no network requests in milliseconds, defaults to 500 milliseconds.16        /// </summary>17        public int? IdleTime { get; set; }18    }19}...

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            using (var browser = await Puppeteer.LaunchAsync(options))10            {11                using (var page = await browser.NewPageAsync())12                {13                    await page.WaitForNetworkIdleAsync();14                    Console.WriteLine("Done");15                    Console.ReadKey();16                }17            }18        }19    }20}21using System;22using System.Threading.Tasks;23using PuppeteerSharp;24{25    {26        static async Task Main(string[] args)27        {28            var options = new LaunchOptions { Headless = false };29            using (var browser = await Puppeteer.LaunchAsync(options))30            {31                using (var page = await browser.NewPageAsync())32                {33                    await page.WaitForNavigationAsync();34                    Console.WriteLine("Done");35                    Console.ReadKey();36                }37            }38        }39    }40}41using System;42using System.Threading.Tasks;43using PuppeteerSharp;44{45    {46        static async Task Main(string[] args)47        {48            var options = new LaunchOptions { Headless = false };49            using (var browser = await Puppeteer.LaunchAsync(options))50            {51                using (var page = await browser.NewPageAsync())52                {53                    await page.WaitForRequestAsync("**");54                    Console.WriteLine("Done");55                    Console.ReadKey();56                }57            }58        }59    }60}61using System;62using System.Threading.Tasks;63using PuppeteerSharp;64{65    {66        static async Task Main(string[] args)67        {68            var options = new LaunchOptions { Headless = false };69            using (var browser = await Puppeteer.LaunchAsync(options))70            {71                using (var page = await

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11                Args = new string[] { "--window-size=1920,1080" }12            });13            var page = await browser.NewPageAsync();14            await page.WaitForNetworkIdleAsync();15            await page.ScreenshotAsync("google.png");16            await browser.CloseAsync();17        }18    }19}

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        public static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10                Args = new string[] { "--start-maximized" }11            });12            var page = await browser.NewPageAsync();13            await page.WaitForNetworkIdleAsync();14            await page.ScreenshotAsync("google.com.png");15            await browser.CloseAsync();16        }17    }18}19using System;20using System.Threading.Tasks;21using PuppeteerSharp;22{23    {24        public static async Task Main(string[] args)25        {26            var browser = await Puppeteer.LaunchAsync(new LaunchOptions27            {28                Args = new string[] { "--start-maximized" }29            });30            var page = await browser.NewPageAsync();31            await page.WaitForSelectorAsync("input[name=q]");32            await page.ScreenshotAsync("google.com.png");33            await browser.CloseAsync();34        }35    }36}37using System;38using System.Threading.Tasks;39using PuppeteerSharp;

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            using (var browser = await Puppeteer.LaunchAsync(options))10            using (var page = await browser.NewPageAsync())11            {12                await page.WaitForNetworkIdleAsync();13                Console.WriteLine("Page loaded");14            }15        }16    }17}

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()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                await page.WaitForNetworkIdleAsync();17                await page.WaitForNavigationAsync();18                await page.ScreenshotAsync("google.png");19            }20        }21    }22}

WaitForNetworkIdleAsync

Using AI Code Generation

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                Args = new string[] { "--start-maximized" }11            });12            var page = await browser.NewPageAsync();13            await page.WaitForNetworkIdleAsync(10000);14            await browser.CloseAsync();15        }16    }17}

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions{Headless = false}))9            {10                var page = await browser.NewPageAsync();11                await page.WaitForNetworkIdleAsync();12                Console.WriteLine("Network is idle");13            }14        }15    }16}17using System;18using System.Threading.Tasks;19{20    {21        static async Task Main(string[] args)22        {23            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);24            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions{Headless = false}))25            {26                var page = await browser.NewPageAsync();27                var response = await page.WaitForNavigationAsync();28                Console.WriteLine(response.Status);29            }30        }31    }32}

WaitForNetworkIdleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });10            var page = await browser.NewPageAsync();11            await page.WaitForNetworkIdleAsync();12            await page.ScreenshotAsync("google.png");13            await browser.CloseAsync();14        }15    }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20{21    {22        static async Task Main(string[] args)23        {24            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);25            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });26            var page = await browser.NewPageAsync();27            var requestTask = page.WaitForRequestAsync("**/*");28            var request = await requestTask;29            await page.ScreenshotAsync("google.png");30            await browser.CloseAsync();31        }32    }33}34using System;35using System.Threading.Tasks;36using PuppeteerSharp;37{38    {39        static async Task Main(string[] args)40        {41            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);42            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });43            var page = await browser.NewPageAsync();44            var responseTask = page.WaitForResponseAsync("**/*");45            var response = await responseTask;46            await page.ScreenshotAsync("google.png");47            await browser.CloseAsync();48        }49    }50}

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