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How to use NewPageAsync method of PuppeteerSharp.Browser class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Browser.NewPageAsync

Program.cs

Source:Program.cs

...70                Headless = false,71                UserDataDir = UserDataDirPath(),72                DefaultViewport = null,73            });74            browserPage = (await browser.PagesAsync()).FirstOrDefault() ?? await browser.NewPageAsync();75            await browserPage.ExposeFunctionAsync("____callback____", (string returnValue) =>76            {77                callbackFromBrowserDelegate?.Invoke(returnValue);78                return 0;79            });80        }81    }82}...

DocumentsV2Controller.cs

Source:DocumentsV2Controller.cs

...37		public async Task<List<string>> GeneratePdfAsync(List<IFormFile> streams, bool landscape) {38			s_browser ??= await Puppeteer.LaunchAsync(_browserOptions);39			var tasks = streams.Select(async x => {40				using (StreamReader stringReader = new StreamReader(x.OpenReadStream()))41				using (var page = await s_browser.NewPageAsync()) {42					await page.SetContentAsync(await stringReader.ReadToEndAsync());43					var fileName = $"{Guid.NewGuid()}.pdf";44					await page.PdfAsync($"{Directory.GetCurrentDirectory()}/files/{fileName}", new PdfOptions() { Format = PuppeteerSharp.Media.PaperFormat.A4, Landscape = landscape, OmitBackground = true, PrintBackground = true });45					return fileName;46				}47			});48			var files = await Task.WhenAll(tasks);49			return files.ToList();50		}51		[NonAction]52		public async Task<List<string>> GeneratePdfAsync(List<string> url, bool landscape) {53			s_browser ??= await Puppeteer.LaunchAsync(_browserOptions);54			var tasks = url.Select(async x => {55				using (var page = await s_browser.NewPageAsync()) {56					await page.GoToAsync(x);57					var fileName = $"{Guid.NewGuid()}.pdf";58					await page.PdfAsync($"{Directory.GetCurrentDirectory()}/files/{fileName}", new PdfOptions() { Format = PuppeteerSharp.Media.PaperFormat.A4, Landscape = landscape, OmitBackground = true, PrintBackground = true });59					return fileName;60				}61			});62			var files = await Task.WhenAll(tasks);63			return files.ToList();64		}65	}66}...

WebBrowser.cs

Source:WebBrowser.cs

...9        public async Task<FileInfo> Pdf(string url)10        {11            using (var browser = await GetBrowser())12            {13                using (var page = await browser.NewPageAsync())14                {15                    await page.GoToAsync(url);16                    var bytes = await page.PdfDataAsync(new PdfOptions { MarginOptions = new PuppeteerSharp.Media.MarginOptions { Top = "1cm", Bottom = "1cm" } });17                    var browserPath = ApiFactory.GetBrowserPath();18                    var pdfPath = Path.Combine(browserPath, "pdf");19                    if (!Directory.Exists(pdfPath))20                    {21                        Directory.CreateDirectory(pdfPath);22                    }23                    var pdfFilePath = Path.Combine(pdfPath, Path.GetFileNameWithoutExtension(Path.GetTempFileName()) + ".pdf");24                    await File.WriteAllBytesAsync(pdfFilePath, bytes);25                    var fileInfo = new FileInfo(pdfFilePath);26                    return fileInfo;27                }28            }29        }30        31        public async Task<string> Content(string url)32        {33            using (var browser = await GetBrowser())34            {35                using (var page = await browser.NewPageAsync())36                {37                    await page.GoToAsync(url);38                    var result = await page.GetContentAsync();39                    return result;40                }41            }42        }43        public async Task<byte[]> Screenshot(string url)44        {45            using (var browser = await GetBrowser())46            {47                using (var page = await browser.NewPageAsync())48                {49                    await page.GoToAsync(url);50                    var result = await page.ScreenshotDataAsync();51                    return result;52                }53            }54        }55    }56}...

BrowserTests.cs

Source:BrowserTests.cs

...37        [Fact]38        public async Task CheckRoot()39        {40            bool hasError = false;41            var page = await Browser.NewPageAsync();42            page.Console += Page_Console;43            void Page_Console(object sender, ConsoleEventArgs e)44            {45                if (e.Message.Type == ConsoleType.Error)46                    hasError = true;47            }48            await page.GoToAsync(BaseAddress);49            var selector = await page.WaitForSelectorAsync("div.table-responsive > table > tbody > tr:nth-child(1) > td:nth-child(3)");50            (await selector.InnerTextAsync()).ShouldBe("Astrix Mariette");51            hasError.ShouldBeFalse();52            await PrintPerf(page);53        }54    }55}...

PuppeteerDocumentGenerator.cs

Source:PuppeteerDocumentGenerator.cs

...15                //ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",16                //IgnoredDefaultArgs = new string[] { "--disable-extensions" },17                //IgnoreDefaultArgs = true,18            });19            using (var page = await browser.NewPageAsync())20            {21                await page.SetContentAsync(html);22                var pdfData = await page.PdfDataAsync(new PdfOptions23                {24                    MarginOptions = new MarginOptions25                    {26                        Top = "1.5cm",27                        Bottom = "1.5cm"28                    },29                });30                browser.Dispose();31                return pdfData;32            }33        }...

PdfService.cs

Source:PdfService.cs

...9        private readonly Browser _browser;10        public PdfService (Browser browser) { _browser = browser; }11        public async Task<Stream> GetPdfFromHtml (string html)12        {13            await using var page = await _browser.NewPageAsync();14            await page.SetContentAsync(html);15            16            return await GetPdfStream(page);17        }18        public async Task<Stream> GetPdfFromUrl (string url)19        {20            await using var page = await _browser.NewPageAsync();21            await page.GoToAsync(url);22            return await GetPdfStream(page);23        }24        private static async Task<Stream> GetPdfStream (Page page)25        {26            return await page.PdfStreamAsync(new PdfOptions27            {28                Format = PaperFormat.A4,29                MarginOptions = new MarginOptions30                {31                    Top = "20px",32                    Right = "20px",33                    Bottom = "40px",34                    Left = "20px"...

DocumentsController.cs

Source:DocumentsController.cs

...17		}18		public static async Task<Stream> GeneratePdfAsync(string url, bool landscape) {19			var options = new LaunchOptions { Headless = true, ExecutablePath = @"/usr/bin/chromium-browser", Args = new string[] { "--no-sandbox" } };20			using (var browser = await Puppeteer.LaunchAsync(options))21			using (var page = await browser.NewPageAsync()) {22				await page.GoToAsync(url);23				return await page.PdfStreamAsync(new PdfOptions() { Format = PuppeteerSharp.Media.PaperFormat.A4, Landscape = landscape, OmitBackground = true, PrintBackground = true });24			}25		}26	}27}...

CrawlerService.cs

Source:CrawlerService.cs

...7    {8        private static Browser browser;9        public static async Task<Page> OpenAsync(string url)10        {11            Page page = await NewPageAsync();12            await page.GoToAsync(url);13            return page;14        }15        public static async Task CloseAsync()16        {17            await browser.CloseAsync();18        }19        private static async Task<Page> NewPageAsync()20        {21            var executeInHeadless = bool.Parse(ConfigurationManager.AppSettings.Get("ChromiumHeadless"));22            23            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);24            string[] args = { "--no-sandbox", "--disable-setuid-sandbox" };25            browser = await Puppeteer.LaunchAsync(26                new LaunchOptions27                {28                    Headless = executeInHeadless,29                    Args = args30                });31            return await browser.NewPageAsync();32        }33    }34}...

NewPageAsync

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });2var page = await browser.NewPageAsync();3await page.ScreenshotAsync("screenshot.png");4await browser.CloseAsync();5var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });6var page = await browser.NewPageAsync();7await page.ScreenshotAsync("screenshot.png");8await page.CloseAsync();9await browser.CloseAsync();

NewPageAsync

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                {11                }12            });13            var page = await browser.NewPageAsync();14            await Task.Delay(5000);15            await browser.CloseAsync();16        }17    }18}19public Task CloseAsync (PageCloseOptions options = null);20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24    {25        static async Task Main(string[] args)26        {27            var browser = await Puppeteer.LaunchAsync(new LaunchOptions28            {29                {30                }31            });32            var page = await browser.NewPageAsync();

NewPageAsync

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            });11            var page = await browser.NewPageAsync();12            Console.ReadLine();13        }14    }15}16using System;17using System.Threading.Tasks;18using PuppeteerSharp;19{20    {21        static async Task Main(string[] args)22        {23            var browser = await Puppeteer.LaunchAsync(new LaunchOptions24            {25            });26            var page = await browser.NewPageAsync();27            Console.ReadLine();28        }29    }30}31using System;32using System.Threading.Tasks;33using PuppeteerSharp;34{35    {36        static async Task Main(string[] args)37        {38            var browser = await Puppeteer.LaunchAsync(new LaunchOptions39            {40            });41            var page = await browser.NewPageAsync();42            Console.ReadLine();43        }44    }45}46using System;47using System.Threading.Tasks;48using PuppeteerSharp;49{50    {51        static async Task Main(string[] args)52        {53            var browser = await Puppeteer.LaunchAsync(new LaunchOptions54            {55            });56            var page = await browser.NewPageAsync();57            Console.ReadLine();58        }59    }60}

NewPageAsync

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3{4    {5        static async Task Main(string[] args)6        {7            await NewPageAsync();8        }9        static async Task NewPageAsync()10        {11            Browser browser = await Puppeteer.LaunchAsync(new LaunchOptions12            {13            });14            Page page = await browser.NewPageAsync();15        }16    }17}

NewPageAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync(args).GetAwaiter().GetResult();9        }10        static async Task MainAsync(string[] args)11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14            });15            var page = await browser.NewPageAsync();16            await browser.CloseAsync();17        }18    }19}20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24    {25        static void Main(string[] args)26        {27            MainAsync(args).GetAwaiter().GetResult();28        }29        static async Task MainAsync(string[] args)30        {31            var browser = await Puppeteer.LaunchAsync(new LaunchOptions32            {33            });34            var page = await browser.NewPageAsync();

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