How to use FocusAsync method of PuppeteerSharp.Page class

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

WebScraper.cs

Source:WebScraper.cs

...246        /// </summary>247        /// <param name="target">Javascript selector to make have focus.</param>248        public void Focus(string target)249        {250            FocusAsync(target).Wait();251        }252        private async Task FocusAsync(string target)253        {254            await m_page.FocusAsync(target);255        }256        /// <summary>257        /// Clicks on target element on page.258        /// </summary>259        /// <param name="target">Javascript selector of element to click on.</param>260        public void Click(string target)261        {262            ClickAsync(target).Wait();263        }264        private async Task ClickAsync(string target)265        {266            await m_page.ClickAsync(target);267        }268        /// <summary>...

Authorization.cs

Source:Authorization.cs

...68                Log.Information($"DefaultTimeout: {p.DefaultTimeout}");69                Log.Information($"DefaultNavigationTimeout: {p.DefaultNavigationTimeout}");70                // ÐÐ²ÑÐ¾ÑÐ¸Ð·Ð°ÑÐ¸Ñ71                await p.WaitForSelectorAsync("#mobileOrEmail", WaitForSelectorTimeout);72                await p.FocusAsync("#mobileOrEmail");73                await p.Keyboard.TypeAsync(ConfigJson.Login);74                Log.Information($"Login: {timer.ElapsedMilliseconds}");75                timer.Restart();76                await p.WaitForSelectorAsync("#password", WaitForSelectorTimeout);77                await p.FocusAsync("#password");78                await p.Keyboard.TypeAsync(ConfigJson.Password);79                Log.Information($"Password: {timer.ElapsedMilliseconds}");80                timer.Restart();81                await p.WaitForSelectorAsync("#loginByPwdButton > span", WaitForSelectorTimeout);82                await p.ClickAsync("#loginByPwdButton > span");83                Log.Information($"ClickAuthorizationButton: {timer.ElapsedMilliseconds}");84                Log.Information("ÐÐ²ÑÐ¾ÑÐ¸Ð·Ð°ÑÐ¸Ñ: ÑÑÐ¿ÐµÑÐ½Ð¾!");85                timer.Stop();86                /* ÐÑÐºÐ¸ Ð½ÑÐ¶Ð½Ñ Ð´Ð»Ñ ÑÐ¾Ð³Ð¾, ÑÑÐ¾Ð±Ñ ÑÐ°Ð¹Ñ Ð¼ÐµÐ½Ñ Ð¾Ð¿Ð¾Ð·Ð½Ð°Ð»87                 * Ð¿ÑÐ¸ Ð¾ÑÐ¿ÑÐ°Ð²ÐºÐµ http-Ð·Ð°Ð¿ÑÐ¾ÑÐ° Ð½Ð° ÑÐµÑÐ²ÐµÑ ÑÐ». Ð´Ð½ÐµÐ²Ð½Ð¸ÐºÐ° */88                // 10 Ð¿Ð¾Ð¿ÑÑÐ¾Ðº Ð¿Ð¾Ð»ÑÑÐµÐ½Ð¸Ñ cookie.89                Cookie cookie;90                int count = 0;91                int attempts = (DefaultTimeout / 1000);...

Program.cs

Source:Program.cs

...74            await ClickHyperlinkWithText(page, "A Generic RESTful CRUD HttpClient");75        }76        private static async Task TypeFieldValue(Page page, string fieldSelector, string value, int delay = 0)77        {78            await page.FocusAsync(fieldSelector);79            await page.TypeAsync(fieldSelector, value, new TypeOptions { Delay = delay });80            await page.Keyboard.PressAsync("Tab");81        }82        private static async Task SetDropdownValue(Page page, string dropdownId, string value)83        {84            var elementHandles = await page.XPathAsync($"//*[@id = \"{dropdownId}\"]/option[text() = \"{value}\"]");85            if (elementHandles.Length > 0)86            {87                var chosenOption = elementHandles[0];88                var jsHandle = await chosenOption.GetPropertyAsync("value");89                var choseOptionValue = await jsHandle.JsonValueAsync<string>();90                await page.FocusAsync($"#{dropdownId}");91                await page.SelectAsync($"#{dropdownId}", choseOptionValue);92            }93            else94            {95                await page.FocusAsync($"#{dropdownId}");96                await page.SelectAsync($"#{dropdownId}", value);97            }98            await page.Keyboard.PressAsync("Tab");99        }100        private static async Task ClickHyperlinkWithText(Page page, string hyperlinkText)101        {            102            var aElementsWithRestful = await page.XPathAsync($"//a[contains(text(), '{hyperlinkText}')]");103            if (aElementsWithRestful.Length == 1)104            {105                var navigationTask = page.WaitForNavigationAsync(_navigationOptions);106                var clickTask = aElementsWithRestful[0].ClickAsync();107                await Task.WhenAll(navigationTask, clickTask);108            }109            else...

TimeTrackingController.cs

Source:TimeTrackingController.cs

...47                    48                await page.ClickAsync("#ctl00_ContentPlaceHolder_TiempoTextBox");49                await page.TypeAsync("#ctl00_ContentPlaceHolder_TiempoTextBox", tracking.Hours.ToString(), new TypeOptions{ Delay = 30 });50                await page.ClickAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList");51                //await page.FocusAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList");52                //await page.SelectAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList", tracking.AssignmentType);53                await page.ClickAsync("#ctl00_ContentPlaceHolder_DescripcionTextBox");54                await page.TypeAsync("#ctl00_ContentPlaceHolder_DescripcionTextBox", tracking.Description, new TypeOptions{ Delay = 30 });55                await page.FocusAsync("#ctl00_ContentPlaceHolder_idFocalPointClientDropDownList");56                await page.SelectAsync("#ctl00_ContentPlaceHolder_idFocalPointClientDropDownList", tracking.FocalPoint);57                await browser.CloseAsync();58            }).ConfigureAwait(false);59        }60    }61    62    public class Tracking63    {64        public string User { get; set; }65        66        public string Password { get; set; }67        68        public string Date { get; set; }69        ...

ShakespeareTranslationService.cs

Source:ShakespeareTranslationService.cs

...41					await page.EvaluateExpressionAsync("$('#english-text').val('')");42					await page.EvaluateExpressionAsync("$('#ghetto-text').val('')");43					// Set text44					//await page.EvaluateExpressionAsync($"$('#english-text').val('{text}')");45					await page.FocusAsync("#english-text");46					await page.Keyboard.TypeAsync(text, new TypeOptions() { Delay = 10 }); ;47					// Read translated text until we have same read twice48					// This is used with the purpose of waiting the correct text to be displayed49					// Could be achievied checking for the gif load animation status but we go with this solution50					// for semplicity51					string[] readAttempt = { string.Empty, string.Empty };52					int index = 0;53					var translatedTextSelector = @"document.querySelector('#ghetto-text').value;";54					while (true)55					{56						// Wait 1 sec57						await Task.Delay(1000);58						readAttempt[index % 2] = await page.EvaluateExpressionAsync<string>(translatedTextSelector);59						index++;...

AuthService.cs

Source:AuthService.cs

...26            var page = await _browser.NewPageAsync();27            await page.GoToAsync("https://www.instagram.com/accounts/login/");28            await page.WaitForTimeoutAsync(timeout);29            await page.WaitForSelectorAsync(Consts.UserNameSelector);30            await page.FocusAsync(Consts.UserNameSelector);31            await page.Keyboard.TypeAsync(InstagramConfiguration.Username);32            await page.WaitForSelectorAsync(Consts.PasswordSelector);33            await page.FocusAsync(Consts.PasswordSelector);34            await page.Keyboard.TypeAsync(InstagramConfiguration.Password);35            await page.WaitForSelectorAsync(Consts.SubmitBtnSelector);36            await page.ClickAsync(Consts.SubmitBtnSelector);37            await page.WaitForTimeoutAsync(timeout);38            _logger.Information("Successfully authenticated!");39            return await page.GetCookiesAsync();40        }41        public void Dispose() => 42            _browser.Dispose();43        44        private static Browser InitBrowser() =>45            Puppeteer.LaunchAsync(new LaunchOptions {Headless = true, Args = new []{"--no-sandbox"}})46                .ConfigureAwait(false).GetAwaiter().GetResult();47    }...

FocusFunction.cs

Source:FocusFunction.cs

...35				{36					var element = await page.QuerySelectorByXPath(selector);37					if (element != null)38					{39						await element.FocusAsync();40					}41					else42					{43						throw new Exception($"Node not found with '{selector}' selector on focus function");44					}45				}46				else47				{48					await page.FocusAsync(selector);	49				}50			}51			else52			{53				var currentFrame = page.Frames.FirstOrDefault(x => x.Name == frame);54				if (currentFrame != null)55				{56					if (selector.StartsWith(XPathSelector.XPathSelectorToken))57					{58						var element = await currentFrame.QuerySelectorByXPath(selector);59						if (element != null)60						{61							await element.FocusAsync();62						}63						else64						{65							throw new Exception($"Node not found with '{selector}' selector on focus function");66						}67					}68					else69					{70						await currentFrame.FocusAsync(selector);	71					}72				}73				else74				{75					throw new Exception($"Frame not found with name '{frame}'");76				}77			}78		}79		#endregion80	}81}...

PageExtensions.cs

Source:PageExtensions.cs

...9    {10        public static async Task TypeInputAsync(this Page page, string selector, string text)11        {12            await page.WaitForSelectorAsync(selector);13            await page.FocusAsync(selector);14            await page.Keyboard.TypeAsync(text);15        }16        public static async Task OvertypeInputAsync(this Page page, string selector, string text)17        {18            await page.WaitForSelectorAsync(selector);19            await page.FocusAsync(selector);20            await page.Keyboard.DownAsync("Control");21            await page.Keyboard.PressAsync("A");22            await page.Keyboard.UpAsync("Control");23            await page.Keyboard.PressAsync("Backspace");24            await page.Keyboard.TypeAsync(text);25        }26        public static async Task ClickOn(this Page page, string selector)27        {28            await page.WaitForSelectorAsync(selector);29            await page.ClickAsync(selector);30        }31    }32}...

FocusAsync

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            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))10            {11                var page = await browser.NewPageAsync();12                await page.FocusAsync("input[name='q']");13            }14        }15    }16}

FocusAsync

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            await page.FocusAsync("input[name=q]");13            await page.TypeAsync("input[name=q]", "PuppeteerSharp");14            await page.Keyboard.PressAsync("Enter");15            await page.ScreenshotAsync("screenshot.png");16            await browser.CloseAsync();17        }18    }19}

FocusAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2await page.FocusAsync("input[type='text']");3var frame = page.MainFrame;4await frame.FocusAsync("input[type='text']");5var elementHandle = await page.QuerySelectorAsync("input[type='text']");6await elementHandle.FocusAsync();

FocusAsync

Using AI Code Generation

1public async Task FocusAsyncTests()2{3  {4    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"5  };6  var browser = await Puppeteer.LaunchAsync(options);7  var page = await browser.NewPageAsync();8  await page.FocusAsync("input[title='Search']");9  await page.Keyboard.TypeAsync("Hello World");10}11public async Task FocusAsyncTests()12{13  {14    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"15  };16  var browser = await Puppeteer.LaunchAsync(options);17  var page = await browser.NewPageAsync();18  await page.MainFrame.FocusAsync("input[title='Search']");19  await page.Keyboard.TypeAsync("Hello World");20}21public async Task FocusAsyncTests()22{23  {24    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"25  };26  var browser = await Puppeteer.LaunchAsync(options);27  var page = await browser.NewPageAsync();28  var elementHandle = await page.QuerySelectorAsync("input[title='Search']");29  await elementHandle.FocusAsync();30  await page.Keyboard.TypeAsync("Hello World");31}32public async Task FocusAsyncTests()33{34  {35    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"36  };37  var browser = await Puppeteer.LaunchAsync(options);38  var page = await browser.NewPageAsync();39  var jSHandle = await page.EvaluateExpressionHandleAsync("document.querySelector('input

FocusAsync

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            });12            var page = await browser.NewPageAsync();13            await page.FocusAsync("input[name='q']");14            await page.ScreenshotAsync("google.png");15            await browser.CloseAsync();16        }17    }18}

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