Best Puppeteer-sharp code snippet using PuppeteerSharp.Messaging.DomDescribeNodeResponse
ElementHandle.cs
Source:ElementHandle.cs  
...203            {204                throw new PuppeteerException("Multiple file uploads only work with <input type=file multiple>");205            }206            var objectId = RemoteObject.ObjectId;207            var node = await Client.SendAsync<DomDescribeNodeResponse>("DOM.describeNode", new DomDescribeNodeRequest208            {209                ObjectId = RemoteObject.ObjectId210            }).ConfigureAwait(false);211            var backendNodeId = node.Node.BackendNodeId;212            if (!filePaths.Any() || filePaths == null)213            {214                await EvaluateFunctionAsync(@"(element) => {215                    element.files = new DataTransfer().files;216                    // Dispatch events for this case because it should behave akin to a user action.217                    element.dispatchEvent(new Event('input', { bubbles: true }));218                    element.dispatchEvent(new Event('change', { bubbles: true }));219                }").ConfigureAwait(false);220            }221            else222            {223                var files = resolveFilePaths ? filePaths.Select(Path.GetFullPath).ToArray() : filePaths;224                CheckForFileAccess(files);225                await Client.SendAsync("DOM.setFileInputFiles", new DomSetFileInputFilesRequest226                {227                    ObjectId = objectId,228                    Files = files,229                    BackendNodeId = backendNodeId230                }).ConfigureAwait(false);231            }232        }233        private void CheckForFileAccess(string[] files)234        {235            foreach (var file in files)236            {237                try238                {239                    File.Open(file, FileMode.Open).Dispose();240                }241                catch (Exception ex)242                {243                    throw new PuppeteerException($"{files} does not exist or is not readable", ex);244                }245            }246        }247        /// <summary>248        /// Scrolls element into view if needed, and then uses <see cref="Touchscreen.TapAsync(decimal, decimal)"/> to tap in the center of the element.249        /// </summary>250        /// <exception cref="PuppeteerException">if the element is detached from DOM</exception>251        /// <returns>Task which resolves when the element is successfully tapped</returns>252        public async Task TapAsync()253        {254            await ScrollIntoViewIfNeededAsync().ConfigureAwait(false);255            var (x, y) = await ClickablePointAsync().ConfigureAwait(false);256            await Page.Touchscreen.TapAsync(x, y).ConfigureAwait(false);257        }258        /// <summary>259        /// Calls <c>focus</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus"/> on the element.260        /// </summary>261        /// <returns>Task</returns>262        public Task FocusAsync() => EvaluateFunctionAsync("element => element.focus()");263        /// <summary>264        /// 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.265        /// </summary>266        /// <param name="text">A text to type into a focused element</param>267        /// <param name="options">type options</param>268        /// <remarks>269        /// To press a special key, like <c>Control</c> or <c>ArrowDown</c> use <see cref="ElementHandle.PressAsync(string, PressOptions)"/>270        /// </remarks>271        /// <example>272        /// <code>273        /// elementHandle.TypeAsync("#mytextarea", "Hello"); // Types instantly274        /// elementHandle.TypeAsync("#mytextarea", "World", new TypeOptions { Delay = 100 }); // Types slower, like a user275        /// </code>276        /// An example of typing into a text field and then submitting the form:277        /// <code>278        /// var elementHandle = await page.GetElementAsync("input");279        /// await elementHandle.TypeAsync("some text");280        /// await elementHandle.PressAsync("Enter");281        /// </code>282        /// </example>283        /// <returns>Task</returns>284        public async Task TypeAsync(string text, TypeOptions options = null)285        {286            await FocusAsync().ConfigureAwait(false);287            await Page.Keyboard.TypeAsync(text, options).ConfigureAwait(false);288        }289        /// <summary>290        /// Focuses the element, and then uses <see cref="Keyboard.DownAsync(string, DownOptions)"/> and <see cref="Keyboard.UpAsync(string)"/>.291        /// </summary>292        /// <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>293        /// <param name="options">press options</param>294        /// <remarks>295        /// 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.296        /// </remarks>297        /// <returns></returns>298        public async Task PressAsync(string key, PressOptions options = null)299        {300            await FocusAsync().ConfigureAwait(false);301            await Page.Keyboard.PressAsync(key, options).ConfigureAwait(false);302        }303        /// <summary>304        /// The method runs <c>element.querySelector</c> within the page. If no element matches the selector, the return value resolve to <c>null</c>.305        /// </summary>306        /// <param name="selector">A selector to query element for</param>307        /// <returns>Task which resolves to <see cref="ElementHandle"/> pointing to the frame element</returns>308        public async Task<ElementHandle> QuerySelectorAsync(string selector)309        {310            var handle = await EvaluateFunctionHandleAsync(311                "(element, selector) => element.querySelector(selector)",312                selector).ConfigureAwait(false);313            if (handle is ElementHandle element)314            {315                return element;316            }317            await handle.DisposeAsync().ConfigureAwait(false);318            return null;319        }320        /// <summary>321        /// Runs <c>element.querySelectorAll</c> within the page. If no elements match the selector, the return value resolve to <see cref="Array.Empty{T}"/>.322        /// </summary>323        /// <param name="selector">A selector to query element for</param>324        /// <returns>Task which resolves to ElementHandles pointing to the frame elements</returns>325        public async Task<ElementHandle[]> QuerySelectorAllAsync(string selector)326        {327            var arrayHandle = await EvaluateFunctionHandleAsync(328                "(element, selector) => element.querySelectorAll(selector)",329                selector).ConfigureAwait(false);330            var properties = await arrayHandle.GetPropertiesAsync().ConfigureAwait(false);331            await arrayHandle.DisposeAsync().ConfigureAwait(false);332            return properties.Values.OfType<ElementHandle>().ToArray();333        }334        /// <summary>335        /// A utility function to be used with <see cref="PuppeteerHandleExtensions.EvaluateFunctionAsync{T}(Task{JSHandle}, string, object[])"/>336        /// </summary>337        /// <param name="selector">A selector to query element for</param>338        /// <returns>Task which resolves to a <see cref="JSHandle"/> of <c>document.querySelectorAll</c> result</returns>339        public Task<JSHandle> QuerySelectorAllHandleAsync(string selector)340            => ExecutionContext.EvaluateFunctionHandleAsync(341                "(element, selector) => Array.from(element.querySelectorAll(selector))", this, selector);342        /// <summary>343        /// Evaluates the XPath expression relative to the elementHandle. If there's no such element, the method will resolve to <c>null</c>.344        /// </summary>345        /// <param name="expression">Expression to evaluate <see href="https://developer.mozilla.org/en-US/docs/Web/API/Document/evaluate"/></param>346        /// <returns>Task which resolves to an array of <see cref="ElementHandle"/></returns>347        public async Task<ElementHandle[]> XPathAsync(string expression)348        {349            var arrayHandle = await ExecutionContext.EvaluateFunctionHandleAsync(350                @"(element, expression) => {351                    const document = element.ownerDocument || element;352                    const iterator = document.evaluate(expression, element, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE);353                    const array = [];354                    let item;355                    while ((item = iterator.iterateNext()))356                        array.push(item);357                    return array;358                }",359                this,360                expression).ConfigureAwait(false);361            var properties = await arrayHandle.GetPropertiesAsync().ConfigureAwait(false);362            await arrayHandle.DisposeAsync().ConfigureAwait(false);363            return properties.Values.OfType<ElementHandle>().ToArray();364        }365        /// <summary>366        /// This method returns the bounding box of the element (relative to the main frame),367        /// or null if the element is not visible.368        /// </summary>369        /// <returns>The BoundingBox task.</returns>370        public async Task<BoundingBox> BoundingBoxAsync()371        {372            var result = await GetBoxModelAsync().ConfigureAwait(false);373            if (result == null)374            {375                return null;376            }377            var quad = result.Model.Border;378            var x = new[] { quad[0], quad[2], quad[4], quad[6] }.Min();379            var y = new[] { quad[1], quad[3], quad[5], quad[7] }.Min();380            var width = new[] { quad[0], quad[2], quad[4], quad[6] }.Max() - x;381            var height = new[] { quad[1], quad[3], quad[5], quad[7] }.Max() - y;382            return new BoundingBox(x, y, width, height);383        }384        /// <summary>385        /// returns boxes of the element, or <c>null</c> if the element is not visible. Box points are sorted clock-wise.386        /// </summary>387        /// <returns>Task BoxModel task.</returns>388        public async Task<BoxModel> BoxModelAsync()389        {390            var result = await GetBoxModelAsync().ConfigureAwait(false);391            return result == null392                ? null393                : new BoxModel394                {395                    Content = FromProtocolQuad(result.Model.Content),396                    Padding = FromProtocolQuad(result.Model.Padding),397                    Border = FromProtocolQuad(result.Model.Border),398                    Margin = FromProtocolQuad(result.Model.Margin),399                    Width = result.Model.Width,400                    Height = result.Model.Height401                };402        }403        /// <summary>404        ///Content frame for element handles referencing iframe nodes, or null otherwise.405        /// </summary>406        /// <returns>Resolves to the content frame</returns>407        public async Task<Frame> ContentFrameAsync()408        {409            var nodeInfo = await Client.SendAsync<DomDescribeNodeResponse>("DOM.describeNode", new DomDescribeNodeRequest410            {411                ObjectId = RemoteObject.ObjectId412            }).ConfigureAwait(false);413            return string.IsNullOrEmpty(nodeInfo.Node.FrameId) ? null : await _frameManager.GetFrameAsync(nodeInfo.Node.FrameId).ConfigureAwait(false);414        }415        /// <summary>416        /// Evaluates if the element is visible in the current viewport.417        /// </summary>418        /// <returns>A task which resolves to true if the element is visible in the current viewport.</returns>419        public Task<bool> IsIntersectingViewportAsync()420            => ExecutionContext.EvaluateFunctionAsync<bool>(421                @"async element =>422                {423                    const visibleRatio = await new Promise(resolve =>...ExecutionContext.cs
Source:ExecutionContext.cs  
...219            if (World == null)220            {221                throw new PuppeteerException("Cannot adopt handle without DOMWorld");222            }223            var nodeInfo = await _client.SendAsync<DomDescribeNodeResponse>("DOM.describeNode", new DomDescribeNodeRequest224            {225                ObjectId = elementHandle.RemoteObject.ObjectId226            }).ConfigureAwait(false);227            var obj = await _client.SendAsync<DomResolveNodeResponse>("DOM.resolveNode", new DomResolveNodeRequest228            {229                BackendNodeId = nodeInfo.Node.BackendNodeId,230                ExecutionContextId = _contextId231            }).ConfigureAwait(false);232            return CreateJSHandle(obj.Object) as ElementHandle;233        }234    }235}...Accessibility.cs
Source:Accessibility.cs  
...33            var nodes = response.Nodes;34            int? backendNodeId = null;35            if (options?.Root != null)36            {37                var node = await _client.SendAsync<DomDescribeNodeResponse>("DOM.describeNode", new DomDescribeNodeRequest38                {39                    ObjectId = options.Root.RemoteObject.ObjectId40                }).ConfigureAwait(false);41                backendNodeId = node.Node.BackendNodeId;42            }43            var defaultRoot = AXNode.CreateTree(nodes);44            var needle = defaultRoot;45            if (backendNodeId.HasValue)46            {47                needle = defaultRoot.Find(node => node.Payload.BackendDOMNodeId == backendNodeId);48                if (needle == null)49                {50                    return null;51                }...DomDescribeNodeResponse.cs
Source:DomDescribeNodeResponse.cs  
1using System;2using Newtonsoft.Json;3namespace PuppeteerSharp.Messaging4{5    internal class DomDescribeNodeResponse6    {7        [JsonProperty("node")]8        public DomNode Node { get; set; }9        internal class DomNode10        {11            [JsonProperty("frameId")]12            public string FrameId { get; set; }13        }14    }15}...DomDescribeNodeResponse
Using AI Code Generation
1using PuppeteerSharp.Messaging;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8{9static void Main(string[] args)10{11var response = new DomDescribeNodeResponse();12response.Node = new PuppeteerSharp.Messaging.Node();13response.Node.Attributes = new List<Attribute>();14response.Node.Attributes.Add(new Attribute() { Name = "class", Value = "test" });15response.Node.Children = new List<int>();16response.Node.Children.Add(1);17response.Node.Children.Add(2);18response.Node.Children.Add(3);19response.Node.Children.Add(4);20response.Node.Children.Add(5);21response.Node.Children.Add(6);22response.Node.Children.Add(7);23response.Node.Children.Add(8);24response.Node.Children.Add(9);25response.Node.Children.Add(10);26response.Node.Children.Add(11);27response.Node.Children.Add(12);28response.Node.Children.Add(13);29response.Node.Children.Add(14);30response.Node.Children.Add(15);31response.Node.Children.Add(16);32response.Node.Children.Add(17);33response.Node.Children.Add(18);34response.Node.Children.Add(19);35response.Node.Children.Add(20);36response.Node.Children.Add(21);37response.Node.Children.Add(22);38response.Node.Children.Add(23);39response.Node.Children.Add(24);40response.Node.Children.Add(25);41response.Node.Children.Add(26);42response.Node.Children.Add(27);43response.Node.Children.Add(28);44response.Node.Children.Add(29);45response.Node.Children.Add(30);46response.Node.Children.Add(31);47response.Node.Children.Add(32);48response.Node.Children.Add(33);49response.Node.Children.Add(34);50response.Node.Children.Add(35);51response.Node.Children.Add(36);52response.Node.Children.Add(37);53response.Node.Children.Add(38);54response.Node.Children.Add(39);55response.Node.Children.Add(40);56response.Node.Children.Add(41);57response.Node.Children.Add(42);58response.Node.Children.Add(43);59response.Node.Children.Add(44);60response.Node.Children.Add(45);61response.Node.Children.Add(46);62response.Node.Children.Add(47);63response.Node.Children.Add(48);64response.Node.Children.Add(49);65response.Node.Children.Add(50);66response.Node.Children.Add(51);67response.Node.Children.Add(52);68response.Node.Children.Add(53);69response.Node.Children.Add(54);DomDescribeNodeResponse
Using AI Code Generation
1var response = await client.SendAsync(new DomDescribeNodeRequest2{3});4var response = await client.SendAsync(new DomDescribeNodeRequest5{6});7var response = await client.SendAsync(new DomDescribeNodeRequest8{9});10var response = await client.SendAsync(new DomDescribeNodeRequest11{12});13var response = await client.SendAsync(new DomDescribeNodeRequest14{15});16var response = await client.SendAsync(new DomDescribeNodeRequest17{18});19var response = await client.SendAsync(new DomDescribeNodeRequest20{21});22var response = await client.SendAsync(new DomDescribeNodeRequest23{24});25var response = await client.SendAsync(new DomDescribeNodeRequest26{27});28var response = await client.SendAsync(new DomDescribeNodeRequest29{30});31var response = await client.SendAsync(new DomDescribeNodeRequest32{33});34var response = await client.SendAsync(new DomDescribeNodeRequest35{36});DomDescribeNodeResponse
Using AI Code Generation
1using PuppeteerSharp;2{3    {4        [JsonProperty("node")]5        public Node Node { get; set; }6    }7    {8        [JsonProperty("nodeId")]9        public int NodeId { get; set; }10        [JsonProperty("parentId")]11        public int ParentId { get; set; }12        [JsonProperty("backendNodeId")]13        public int BackendNodeId { get; set; }14        [JsonProperty("nodeType")]15        public int NodeType { get; set; }16        [JsonProperty("nodeName")]17        public string NodeName { get; set; }18        [JsonProperty("localName")]19        public string LocalName { get; set; }20        [JsonProperty("nodeValue")]21        public string NodeValue { get; set; }22        [JsonProperty("childNodeCount")]23        public int ChildNodeCount { get; set; }24        [JsonProperty("children")]25        public Node[] Children { get; set; }26        [JsonProperty("attributes")]27        public string[] Attributes { get; set; }28        [JsonProperty("documentURL")]29        public string DocumentURL { get; set; }30        [JsonProperty("baseURL")]31        public string BaseURL { get; set; }32        [JsonProperty("publicId")]33        public string PublicId { get; set; }34        [JsonProperty("systemId")]35        public string SystemId { get; set; }36        [JsonProperty("xmlVersion")]37        public string XmlVersion { get; set; }38        [JsonProperty("name")]39        public string Name { get; set; }40        [JsonProperty("value")]41        public string Value { get; set; }42        [JsonProperty("pseudoType")]43        public string PseudoType { get; set; }44        [JsonProperty("shadowRootType")]45        public string ShadowRootType { get; set; }46        [JsonProperty("frameId")]47        public string FrameId { get; set; }48        [JsonProperty("contentDocument")]49        public Node ContentDocument { get; set; }50        [JsonProperty("shadowRoots")]51        public Node[] ShadowRoots { get; set; }52        [JsonProperty("templateContent")]53        public Node TemplateContent { get; set; }54        [JsonProperty("pseudoElements")]55        public Node[] PseudoElements { get; setDomDescribeNodeResponse
Using AI Code Generation
1using PuppeteerSharp;2using PuppeteerSharp.Messaging;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            {10            };11            using (var browser = await Puppeteer.LaunchAsync(options))12            {13                using (var page = await browser.NewPageAsync())14                {15                    await page.WaitForSelectorAsync("input[name='q']");16                    var response = await page.GetNodeResponseAsync("input[name='q']");17                    Console.WriteLine(response);18                }19            }20        }21    }22}23using PuppeteerSharp;24using System;25using System.Threading.Tasks;26{27    {28        static async Task Main(string[] args)29        {30            {31            };32            using (var browser = await Puppeteer.LaunchAsync(options))33            {34                using (var page = await browser.NewPageAsync())35                {36                    await page.WaitForSelectorAsync("input[name='q']");37                    var response = await page.GetNodeResponseAsync("input[name='q']");38                    Console.WriteLine(response);39                }40            }41        }42    }43}DomDescribeNodeResponse
Using AI Code Generation
1var response = await session.SendAsync("DOM.describeNode", new {nodeId = 1});2var node = response.ToObject<DomDescribeNodeResponse>();3Console.WriteLine(node.Node.NodeName);4var response = await session.SendAsync("DOM.describeNode", new {nodeId = 1});5var node = response.ToObject<DomDescribeNodeResponse>();6Console.WriteLine(node.Node.NodeName);Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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