How to use FocusAsync method of PuppeteerSharp.Frame class

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

ElementHandle.cs

Source:ElementHandle.cs Github

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...191 /// <summary>192 /// Calls <c>focus</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus"/> on the element.193 /// </summary>194 /// <returns>Task</returns>195 public Task FocusAsync() => ExecutionContext.EvaluateFunctionAsync("element => element.focus()", this);196 /// <summary>197 /// Focuses the element, and sends a <c>keydown</c>, <c>keypress</c>/<c>input</c>, and <c>keyup</c> event for each character in the text.198 /// </summary>199 /// <param name="text">A text to type into a focused element</param>200 /// <param name="options">type options</param>201 /// <remarks>202 /// To press a special key, like <c>Control</c> or <c>ArrowDown</c> use <see cref="ElementHandle.PressAsync(string, PressOptions)"/>203 /// </remarks>204 /// <example>205 /// <code>206 /// elementHandle.TypeAsync("#mytextarea", "Hello"); // Types instantly207 /// elementHandle.TypeAsync("#mytextarea", "World", new TypeOptions { Delay = 100 }); // Types slower, like a user208 /// </code>209 /// An example of typing into a text field and then submitting the form:210 /// <code>211 /// var elementHandle = await page.GetElementAsync("input");212 /// await elementHandle.TypeAsync("some text");213 /// await elementHandle.PressAsync("Enter");214 /// </code>215 /// </example>216 /// <returns>Task</returns>217 public async Task TypeAsync(string text, TypeOptions options = null)218 {219 await FocusAsync().ConfigureAwait(false);220 await Page.Keyboard.TypeAsync(text, options).ConfigureAwait(false);221 }222 /// <summary>223 /// Focuses the element, and then uses <see cref="Keyboard.DownAsync(string, DownOptions)"/> and <see cref="Keyboard.UpAsync(string)"/>.224 /// </summary>225 /// <param name="key">Name of key to press, such as <c>ArrowLeft</c>. See <see cref="KeyDefinitions"/> for a list of all key names.</param>226 /// <param name="options">press options</param>227 /// <remarks>228 /// If <c>key</c> is a single character and no modifier keys besides <c>Shift</c> are being held down, a <c>keypress</c>/<c>input</c> event will also be generated. The <see cref="DownOptions.Text"/> option can be specified to force an input event to be generated.229 /// </remarks>230 /// <returns></returns>231 public async Task PressAsync(string key, PressOptions options = null)232 {233 await FocusAsync().ConfigureAwait(false);234 await Page.Keyboard.PressAsync(key, options).ConfigureAwait(false);235 }236 /// <summary>237 /// The method runs <c>element.querySelector</c> within the page. If no element matches the selector, the return value resolve to <c>null</c>.238 /// </summary>239 /// <param name="selector">A selector to query element for</param>240 /// <returns>Task which resolves to <see cref="ElementHandle"/> pointing to the frame element</returns>241 public async Task<ElementHandle> QuerySelectorAsync(string selector)242 {243 var handle = await ExecutionContext.EvaluateFunctionHandleAsync(244 "(element, selector) => element.querySelector(selector)",245 this, selector).ConfigureAwait(false);246 if (handle is ElementHandle element)247 {...

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DOMWorld.cs

Source:DOMWorld.cs Github

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...262 }263 await handle.HoverAsync().ConfigureAwait(false);264 await handle.DisposeAsync().ConfigureAwait(false);265 }266 internal async Task FocusAsync(string selector)267 {268 var handle = await QuerySelectorAsync(selector).ConfigureAwait(false);269 if (handle == null)270 {271 throw new SelectorException($"No node found for selector: {selector}", selector);272 }273 await handle.FocusAsync().ConfigureAwait(false);274 await handle.DisposeAsync().ConfigureAwait(false);275 }276 internal async Task<string[]> SelectAsync(string selector, params string[] values)277 {278 if (!((await QuerySelectorAsync(selector).ConfigureAwait(false)) is ElementHandle handle))279 {280 throw new SelectorException($"No node found for selector: {selector}", selector);281 }282 var result = await handle.SelectAsync(values).ConfigureAwait(false);283 await handle.DisposeAsync();284 return result;285 }286 internal async Task TapAsync(string selector)287 {...

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KeyboardTests.cs

Source:KeyboardTests.cs Github

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...70 [SkipBrowserFact(skipFirefox: true)]71 public async Task ShouldSendACharacterWithSendCharacter()72 {73 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");74 await Page.FocusAsync("textarea");75 await Page.Keyboard.SendCharacterAsync("嗨");76 Assert.Equal("嗨", await Page.EvaluateExpressionAsync<string>("document.querySelector('textarea').value"));77 await Page.EvaluateExpressionAsync("window.addEventListener('keydown', e => e.preventDefault(), true)");78 await Page.Keyboard.SendCharacterAsync("a");79 Assert.Equal("嗨a", await Page.EvaluateExpressionAsync<string>("document.querySelector('textarea').value"));80 }81 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should report shiftKey")]82 [SkipBrowserFact(skipFirefox: true)]83 public async Task ShouldReportShiftKey()84 {85 await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");86 var keyboard = Page.Keyboard;87 var codeForKey = new Dictionary<string, int> { ["Shift"] = 16, ["Alt"] = 18, ["Control"] = 17 };88 foreach (var modifier in codeForKey)89 {90 await keyboard.DownAsync(modifier.Key);91 Assert.Equal($"Keydown: {modifier.Key} {modifier.Key}Left {modifier.Value} [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));92 await keyboard.DownAsync("!");93 // Shift+! will generate a keypress94 if (modifier.Key == "Shift")95 {96 Assert.Equal($"Keydown: ! Digit1 49 [{modifier.Key}]\nKeypress: ! Digit1 33 33 [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));97 }98 else99 {100 Assert.Equal($"Keydown: ! Digit1 49 [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));101 }102 await keyboard.UpAsync("!");103 Assert.Equal($"Keyup: ! Digit1 49 [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));104 await keyboard.UpAsync(modifier.Key);105 Assert.Equal($"Keyup: {modifier.Key} {modifier.Key}Left {modifier.Value} []", await Page.EvaluateExpressionAsync<string>("getResult()"));106 }107 }108 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should report multiple modifiers")]109 [PuppeteerFact]110 public async Task ShouldReportMultipleModifiers()111 {112 await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");113 var keyboard = Page.Keyboard;114 await keyboard.DownAsync("Control");115 Assert.Equal("Keydown: Control ControlLeft 17 [Control]", await Page.EvaluateExpressionAsync<string>("getResult()"));116 await keyboard.DownAsync("Alt");117 Assert.Equal("Keydown: Alt AltLeft 18 [Alt Control]", await Page.EvaluateExpressionAsync<string>("getResult()"));118 await keyboard.DownAsync(";");119 Assert.Equal("Keydown: ; Semicolon 186 [Alt Control]", await Page.EvaluateExpressionAsync<string>("getResult()"));120 await keyboard.UpAsync(";");121 Assert.Equal("Keyup: ; Semicolon 186 [Alt Control]", await Page.EvaluateExpressionAsync<string>("getResult()"));122 await keyboard.UpAsync("Control");123 Assert.Equal("Keyup: Control ControlLeft 17 [Alt]", await Page.EvaluateExpressionAsync<string>("getResult()"));124 await keyboard.UpAsync("Alt");125 Assert.Equal("Keyup: Alt AltLeft 18 []", await Page.EvaluateExpressionAsync<string>("getResult()"));126 }127 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should send proper codes while typing")]128 [PuppeteerFact]129 public async Task ShouldSendProperCodesWhileTyping()130 {131 await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");132 await Page.Keyboard.TypeAsync("!");133 Assert.Equal(string.Join("\n", new[] {134 "Keydown: ! Digit1 49 []",135 "Keypress: ! Digit1 33 33 []",136 "Keyup: ! Digit1 49 []" }), await Page.EvaluateExpressionAsync<string>("getResult()"));137 await Page.Keyboard.TypeAsync("^");138 Assert.Equal(string.Join("\n", new[] {139 "Keydown: ^ Digit6 54 []",140 "Keypress: ^ Digit6 94 94 []",141 "Keyup: ^ Digit6 54 []" }), await Page.EvaluateExpressionAsync<string>("getResult()"));142 }143 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should send proper codes while typing with shift")]144 [PuppeteerFact]145 public async Task ShouldSendProperCodesWhileTypingWithShift()146 {147 await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");148 var keyboard = Page.Keyboard;149 await keyboard.DownAsync("Shift");150 await Page.Keyboard.TypeAsync("~");151 Assert.Equal(string.Join("\n", new[] {152 "Keydown: Shift ShiftLeft 16 [Shift]",153 "Keydown: ~ Backquote 192 [Shift]", // 192 is ` keyCode154 "Keypress: ~ Backquote 126 126 [Shift]", // 126 is ~ charCode155 "Keyup: ~ Backquote 192 [Shift]" }), await Page.EvaluateExpressionAsync<string>("getResult()"));156 await keyboard.UpAsync("Shift");157 }158 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should not type canceled events")]159 [PuppeteerFact]160 public async Task ShouldNotTypeCanceledEvents()161 {162 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");163 await Page.FocusAsync("textarea");164 await Page.EvaluateExpressionAsync(@"{165 window.addEventListener('keydown', event => {166 event.stopPropagation();167 event.stopImmediatePropagation();168 if (event.key === 'l')169 event.preventDefault();170 if (event.key === 'o')171 event.preventDefault();172 }, false);173 }");174 await Page.Keyboard.TypeAsync("Hello World!");175 Assert.Equal("He Wrd!", await Page.EvaluateExpressionAsync<string>("textarea.value"));176 }177 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should specify repeat property")]178 [SkipBrowserFact(skipFirefox: true)]179 public async Task ShouldSpecifyRepeatProperty()180 {181 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");182 await Page.FocusAsync("textarea");183 await Page.EvaluateExpressionAsync("document.querySelector('textarea').addEventListener('keydown', e => window.lastEvent = e, true)");184 await Page.Keyboard.DownAsync("a");185 Assert.False(await Page.EvaluateExpressionAsync<bool>("window.lastEvent.repeat"));186 await Page.Keyboard.PressAsync("a");187 Assert.True(await Page.EvaluateExpressionAsync<bool>("window.lastEvent.repeat"));188 await Page.Keyboard.DownAsync("b");189 Assert.False(await Page.EvaluateExpressionAsync<bool>("window.lastEvent.repeat"));190 await Page.Keyboard.DownAsync("b");191 Assert.True(await Page.EvaluateExpressionAsync<bool>("window.lastEvent.repeat"));192 await Page.Keyboard.UpAsync("a");193 await Page.Keyboard.DownAsync("a");194 Assert.False(await Page.EvaluateExpressionAsync<bool>("window.lastEvent.repeat"));195 }196 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should type all kinds of characters")]197 [SkipBrowserFact(skipFirefox: true)]198 public async Task ShouldTypeAllKindsOfCharacters()199 {200 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");201 await Page.FocusAsync("textarea");202 const string text = "This text goes onto two lines.\nThis character is 嗨.";203 await Page.Keyboard.TypeAsync(text);204 Assert.Equal(text, await Page.EvaluateExpressionAsync<string>("result"));205 }206 [PuppeteerTest("keyboard.spec.ts", "Keyboard", "should specify location")]207 [SkipBrowserFact(skipFirefox: true)]208 public async Task ShouldSpecifyLocation()209 {210 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");211 await Page.EvaluateExpressionAsync(@"{212 window.addEventListener('keydown', event => window.keyLocation = event.location, true);213 }");214 var textarea = await Page.QuerySelectorAsync("textarea");215 await textarea.PressAsync("Digit5");...

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Form1.cs

Source:Form1.cs Github

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...153 //}154 //public async Task FocusElement_ByCssSelector(string selector)155 //{156 // if (usingFrame)157 // await frame.FocusAsync(selector);158 // else159 // await page.FocusAsync(selector);160 //}161 //public async Task TypeText_ByCssSelector(string selector, string val)162 //{163 // if (usingFrame)164 // await frame.TypeAsync(selector, val);165 // else166 // await page.TypeAsync(selector, val);167 //}168 //public async Task Click_ByCssSelector(string selector)169 //{170 // if (usingFrame)171 // await frame.ClickAsync(selector);172 // else173 // await page.ClickAsync(selector);...

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Authorization.cs

Source:Authorization.cs Github

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...68 Log.Information($"DefaultTimeout: {p.DefaultTimeout}");69 Log.Information($"DefaultNavigationTimeout: {p.DefaultNavigationTimeout}");70 // Авторизация71 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("Авторизация: успешно!");85 timer.Stop();86 /* Куки нужны для того, чтобы сайт меня опознал87 * при отправке http-запроса на сервер эл. дневника */88 // 10 попыток получения cookie.89 Cookie cookie;90 int count = 0;91 int attempts = (DefaultTimeout / 1000);...

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Program.cs

Source:Program.cs Github

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...24 if ((bool)JsonValue.Parse(responseText)["needLogin"])25 {26 await _page.GoToAsync("https://www.epicgames.com/id/login/epic", WaitUntilNavigation.Load);27 await _page.WaitForSelectorAsync("#email");28 await _page.FocusAsync("#email");29 await _page.Keyboard.TypeAsync(Login);30 await _page.FocusAsync("#password");31 await _page.Keyboard.TypeAsync(Password);32 await _page.ClickAsync("#sign-in");33 }34 }35 private static async Task<List<string>> GetAllOrders()36 {37 int page = 0;38 List<OrderHistory.Order> orders = new();39 List<string> items = new();40 OrderHistory.Root orderHistory;41 42 do43 {44 string url = $"https://www.epicgames.com/account/v2/payment/ajaxGetOrderHistory?page={page}&locale=en-US";...

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FocusFunction.cs

Source:FocusFunction.cs Github

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...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}...

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SelectorException.cs

Source:SelectorException.cs Github

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...8 /// <seealso cref="Frame.SelectAsync(string, string[])"/>9 /// <seealso cref="Page.ClickAsync(string, Input.ClickOptions)"/>10 /// <seealso cref="Page.TapAsync(string)"/>11 /// <seealso cref="Page.HoverAsync(string)"/>12 /// <seealso cref="Page.FocusAsync(string)"/>13 /// <seealso cref="Page.SelectAsync(string, string[])"/>14 [Serializable]15 public class SelectorException : PuppeteerException16 {17 /// <summary>18 /// Gets the selector.19 /// </summary>20 /// <value>The selector.</value>21 public string Selector { get; }22 /// <summary>23 /// Initializes a new instance of the <see cref="SelectorException"/> class.24 /// </summary>25 /// <param name="message">Message.</param>26 public SelectorException(string message) : base(message)...

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FocusAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 {9 };10 using (var browser = await Puppeteer.LaunchAsync(options))11 using (var page = await browser.NewPageAsync())12 {13 await page.FocusAsync("input[title='Search']");

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FocusAsync

Using AI Code Generation

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1{2 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"3};4using (var browser = await Puppeteer.LaunchAsync(options))5{6 var page = await browser.NewPageAsync();7 await page.FocusAsync("input[title='Search']");8}9{10 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"11};12using (var browser = await Puppeteer.LaunchAsync(options))13{14 var page = await browser.NewPageAsync();15 var element = await page.QuerySelectorAsync("input[title='Search']");16 await element.FocusAsync();17}18{19 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"20};21using (var browser = await Puppeteer.LaunchAsync(options))22{23 var page = await browser.NewPageAsync();24 await page.FocusAsync("input[title='Search']");25}26{27 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"28};29using (var browser = await Puppeteer.LaunchAsync(options))30{31 var page = await browser.NewPageAsync();32 await page.FocusAsync("input[title='Search']");33}34{

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FocusAsync

Using AI Code Generation

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1var frame = await page.GetMainFrameAsync();2await frame.FocusAsync("input[name='q']");3var element = await page.QuerySelectorAsync("input[name='q']");4await element.FocusAsync();5var element = await page.QuerySelectorAsync("input[name='q']");6await element.FocusAsync();7var element = await page.QuerySelectorAsync("input[name='q']");8await element.FocusAsync();9var element = await page.QuerySelectorAsync("input[name='q']");10await element.FocusAsync();11var element = await page.QuerySelectorAsync("input[name='q']");12await element.FocusAsync();13var element = await page.QuerySelectorAsync("input[name='q']");14await element.FocusAsync();15var element = await page.QuerySelectorAsync("input[name='q']");16await element.FocusAsync();17var element = await page.QuerySelectorAsync("input[name='q']");18await element.FocusAsync();19var element = await page.QuerySelectorAsync("input[name='q']");20await element.FocusAsync();21var element = await page.QuerySelectorAsync("input[name='q']");22await element.FocusAsync();23var element = await page.QuerySelectorAsync("input[name='q']");24await element.FocusAsync();

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