Best Puppeteer-sharp code snippet using PuppeteerSharp.Input.TypeOptions
BaseScraper.cs
Source: BaseScraper.cs
...16 {17 protected P Parameters;18 protected ViewPortOptions ViewPortOptions;19 protected LaunchOptions LaunchOptions;20 protected TypeOptions TypeOptions;21 protected Browser Browser;22 protected Page CurrentPage;23 public ILogger Logger { get; set; }24 public IBasicSettingsManager<S> SettingsManager { get; set; }25 public IDataSerializer DataSerializer { get; set; }26 public BaseScraper() { }27 public BaseScraper(ILogger logger,28 IBasicSettingsManager<S> settingsManager,29 IDataSerializer dataSerializer)30 {31 Logger = logger;32 SettingsManager = settingsManager;33 DataSerializer = dataSerializer;34 }35 /// <summary>36 /// Initializes: Settings Manager with settings loaded, saves the parameters and initializes the browser instance37 /// </summary>38 /// <param name="parameters"></param>39 public virtual async Task Initialize(P parameters)40 {41 // initialize settings42 await SettingsManager.LoadSettings();43 var appSettings = SettingsManager.Settings;44 if (appSettings == null)45 throw new ArgumentException("Cannot instantiate scraper without settings loaded.");46 // initialize parameters47 Parameters = parameters;48 // initialize browser49 // prepare launch options50 LaunchOptions = new LaunchOptions() { Headless = appSettings.Headless };51 ViewPortOptions = new ViewPortOptions() { Width = appSettings.WindowWidth, Height = appSettings.WindowHeight };52 TypeOptions = new TypeOptions() { Delay = appSettings.TYPE_DELAY };53 // get chromium reference (not async, downloads it, blocks everything while downloading)54 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultChromiumRevision);55 Browser = await Puppeteer.LaunchAsync(LaunchOptions);56 CurrentPage = await Browser.NewPageAsync();57 await CurrentPage.SetViewportAsync(ViewPortOptions);58 }59 public virtual async Task CloseBrowser()60 {61 await Browser.CloseAsync();62 Browser = null;63 }64 public virtual async Task NavigateToPage(string url, bool force = false)65 {66 var appSettings = SettingsManager.Settings;67 if (force || CurrentPage.Url != appSettings.AppUrl)68 await CurrentPage.GoToAsync(appSettings.AppUrl);69 }70 public virtual async Task ExecuteClick(string selector)71 {72 await CurrentPage.WaitForSelectorAsync(selector);73 var element = await CurrentPage.QuerySelectorAsync(selector);74 await element.ClickAsync();75 }76 public virtual async Task TypeInInput(string selector, string text)77 {78 var emailInput = await CurrentPage.WaitForSelectorAsync(selector);79 if (emailInput == null)80 throw new ArgumentException(string.Format("Input with selector {0} not found", selector));81 var appSettings = SettingsManager.Settings;82 await emailInput.TypeAsync(text, TypeOptions);83 await CurrentPage.WaitForTimeoutAsync(appSettings.TIME_TO_WAIT);84 }85 public virtual async Task WaitABit(int milliseconds)86 {87 await CurrentPage.WaitForTimeoutAsync(milliseconds);88 }89 public virtual async Task WaitForElement(string elementSelector, int timeout = 600000)90 {91 await CurrentPage.WaitForSelectorAsync(elementSelector, new WaitForSelectorOptions { Timeout = timeout });92 }93 public virtual async Task<double> GetCurrentScrollHeight(string selector)94 {95 var chSelectorFunc = ScraperConstants.FUNC_SELECT_SIMPLE.Replace("{{SPECIAL}}", ".scrollHeight");96 return await CurrentPage.EvaluateFunctionAsync<double>(chSelectorFunc, selector);...
Program.cs
Source: Program.cs
...118 }119 private static async Task TypeFieldValue(Page page, string fieldSelector, string value, int delay = 0)120 {121 await page.FocusAsync(fieldSelector);122 await page.TypeAsync(fieldSelector, value, new TypeOptions { Delay = delay });123 await page.Keyboard.PressAsync("Tab");124 }125 private static async Task TypeFieldValueSearch(Page page, string fieldSelector, string value, int delay = 0)126 {127 await page.FocusAsync(fieldSelector);128 await page.TypeAsync(fieldSelector, value, new TypeOptions { Delay = delay });129 }130 }131 public class Data132 {133 public string author { get; set; }134 public string posttext { get; set; }135 }136 public class Content137 {138 public string content { get; set; }139 }140}...
TimeTrackingController.cs
Source: TimeTrackingController.cs
...37 await page.ClickAsync("#ctl00_ContentPlaceHolder_LoginButton");38 await page.GoToAsync(@"https://timetracker.bairesdev.com/CargaTimeTracker.aspx");39 40 await page.EvaluateExpressionAsync($@"document.querySelector('#ctl00_ContentPlaceHolder_txtFrom').value = null");41 await page.TypeAsync("#ctl00_ContentPlaceHolder_txtFrom", tracking.Date, new TypeOptions{ Delay = 30 });42 var dropProject = await page.QuerySelectorAsync("#ctl00_ContentPlaceHolder_idProyectoDropDownList");43 await dropProject.ClickAsync();44 45 var children = await dropProject.QuerySelectorAllAsync("option");46 await children[2].ClickAsync();47 48 await page.ClickAsync("#ctl00_ContentPlaceHolder_TiempoTextBox");49 await page.TypeAsync("#ctl00_ContentPlaceHolder_TiempoTextBox", tracking.Hours.ToString(), new TypeOptions{ Delay = 30 });50 await page.ClickAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList");51 //await page.FocusAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList");52 //await page.SelectAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList", tracking.AssignmentType);53 await page.ClickAsync("#ctl00_ContentPlaceHolder_DescripcionTextBox");54 await page.TypeAsync("#ctl00_ContentPlaceHolder_DescripcionTextBox", tracking.Description, new TypeOptions{ Delay = 30 });55 await page.FocusAsync("#ctl00_ContentPlaceHolder_idFocalPointClientDropDownList");56 await page.SelectAsync("#ctl00_ContentPlaceHolder_idFocalPointClientDropDownList", tracking.FocalPoint);57 await browser.CloseAsync();58 }).ConfigureAwait(false);59 }60 }61 62 public class Tracking63 {64 public string User { get; set; }65 66 public string Password { get; set; }67 68 public string Date { get; set; }...
ShakespeareTranslationService.cs
Source: ShakespeareTranslationService.cs
...42 await page.EvaluateExpressionAsync("$('#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++;60 if (index < 2)...
KeyboardTypeFunction.cs
Source: KeyboardTypeFunction.cs
...37 {38 var selector = this.GetParameterValue<string>("selector");39 var text = this.GetParameterValue<string>("text");40 var delay = this.GetParameterValue<int?>("delay");41 var typeOptions = delay != null ? new TypeOptions { Delay = delay.Value } : null;42 43 var frame = this.GetParameterValue<string>("frame");44 if (string.IsNullOrEmpty(frame))45 {46 if (selector.StartsWith(XPathSelector.XPathSelectorToken))47 {48 var element = await page.QuerySelectorByXPath(selector);49 if (element != null)50 {51 await element.TypeAsync(text, typeOptions);52 }53 else54 {55 throw new Exception($"Node not found with '{selector}' selector on type function");...
PostVk.cs
Source: PostVk.cs
...26 //await page.GoToAsync($"https://vk.com/club188446341");27 await page.WaitForSelectorAsync("div.submit_post_field", new WaitForSelectorOptions { Timeout = 5000 });28 await page.ClickAsync("div.submit_post_field");29 await page.WaitForTimeoutAsync(500);30 //await page.TypeAsync("div.submit_post_field", "45", new TypeOptions { Delay = 50 });31 await page.Keyboard.PressAsync($"{nameof(Key.Backspace)}");32 await page.Keyboard.PressAsync($"{nameof(Key.Backspace)}");33 await page.TypeAsync("div.submit_post_field", message, new TypeOptions { Delay = 50 });34 await page.WaitForTimeoutAsync(500);35 await page.ClickAsync("#send_post");36 await page.WaitForTimeoutAsync(500);37 //await page.Keyboard.PressAsync($"{nameof(Key.Enter)}");38 //Report($"{text}");39 }40 }41 }42 catch (Exception exception)43 {44 Error(exception.ToString());45 }46 }47 }...
TypeOptions.cs
Source: TypeOptions.cs
2{3 /// <summary>4 /// Options to use when typing5 /// </summary>6 /// <seealso cref="Page.TypeAsync(string, string, TypeOptions)"/>7 /// <seealso cref="ElementHandle.TypeAsync(string, TypeOptions)"/>8 /// <seealso cref="Keyboard.TypeAsync(string, TypeOptions)"/>9 public class TypeOptions10 {11 /// <summary>12 /// Time to wait between <c>keydown</c> and <c>keyup</c> in milliseconds. Defaults to 0.13 /// </summary>14 public int? Delay { get; set; }15 }...
PuppeteerPageExtensions.cs
Source: PuppeteerPageExtensions.cs
...8 public static class PuppeteerPageExtensions9 {10 public static async Task TypeAndSubmitAsync(this Page page, string str)11 {12 await page.Keyboard.TypeAsync(str, new TypeOptions { Delay = 5 });13 await Task.WhenAll(14 Task.Delay(1750),15 page.ClickAsync("input[type=submit]")16 );17 }18 }19}...
TypeOptions
Using AI Code Generation
1using PuppeteerSharp.Input;2using PuppeteerSharp.Input;3using PuppeteerSharp.Input;4using PuppeteerSharp.Input;5using PuppeteerSharp.Input;6using PuppeteerSharp.Input;7using PuppeteerSharp.Input;8using PuppeteerSharp.Input;9using PuppeteerSharp.Input;10using PuppeteerSharp.Input;11using PuppeteerSharp.Input;12using PuppeteerSharp.Input;13using PuppeteerSharp.Input;14using PuppeteerSharp.Input;15using PuppeteerSharp.Input;16using PuppeteerSharp.Input;17using PuppeteerSharp.Input;18using PuppeteerSharp.Input;19using PuppeteerSharp.Input;20using PuppeteerSharp.Input;21using PuppeteerSharp.Input;22using PuppeteerSharp.Input;23using PuppeteerSharp.Input;
TypeOptions
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.TypeAsync("input[title='Search']", "PuppeteerSharp", new TypeOptions { Delay = 100 });13 await page.Keyboard.PressAsync("Enter");14 await page.ScreenshotAsync("example.png");15 await browser.CloseAsync();16 }17 }18}
TypeOptions
Using AI Code Generation
1using PuppeteerSharp.Input;2using PuppeteerSharp;3using System.Threading.Tasks;4using System;5{6 {7 static void Main(string[] args)8 {9 MainAsync().Wait();10 Console.ReadLine();11 }12 static async Task MainAsync()13 {14 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions15 {16 }))17 {18 using (var page = await browser.NewPageAsync())19 {20 await page.ClickAsync("input[title='Search']");21 await page.TypeAsync("input[title='Search']", "Selenium", new TypeOptions { Delay = 100 });22 await page.Keyboard.PressAsync("Enter");23 }24 }25 }26 }27}
TypeOptions
Using AI Code Generation
1using PuppeteerSharp.Input;2using PuppeteerSharp;3using System.Threading.Tasks;4using System;5{6 {7 static async Task Main(string[] args)8 {9 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 }))12 {13 using (var page = await browser.NewPageAsync())14 {15 await page.TypeAsync("input[title='Search']", "PuppeteerSharp", new TypeOptions { Delay = 50 });16 await page.ClickAsync("input[value='Google Search']");17 await page.WaitForNavigationAsync();18 await Task.Delay(3000);19 }20 }21 }22 }23}
TypeOptions
Using AI Code Generation
1{2};3await page.TypeAsync("#mytextarea", "text", typeOptions);4{5};6await page.TypeAsync("#mytextarea", "text", typeOptions);7{8};9await page.TypeAsync("#mytextarea", "text", typeOptions);10{11};12await page.TypeAsync("#mytextarea", "text", typeOptions);13{14};15await page.TypeAsync("#mytextarea", "text", typeOptions);16{17};18await page.TypeAsync("#mytextarea", "text", typeOptions);19{20};21await page.TypeAsync("#mytextarea", "text", typeOptions);22{23};24await page.TypeAsync("#mytextarea", "text", typeOptions);25{26};27await page.TypeAsync("#mytextarea", "text", typeOptions);28{29};30await page.TypeAsync("#mytextarea", "text", typeOptions);
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Puppeteer Sharp strange behaviour
You can close the page using CloseAsync:
var page = browser.NewPageAsync();
////
await page.CloseAsync();
An using
block will also close the page:
using (var page = await new browser.PageAsync())
{
///
}
Puppeteer-Sharp v2.0.3+ also supports await using
blocks
await using (var page = await new browser.PageAsync())
{
///
}
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