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How to use ElementHandle class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.ElementHandle

ShiftSearchClient.cs

Source:ShiftSearchClient.cs

...35        {36            var page = await GetPage();37            Thread.Sleep(1000);38            int attempt = 1;39            ElementHandle? handle = null;40            while (handle == null && attempt <= 3)41            {42                if (attempt > 1)43                {44                    Console.WriteLine( $"Could not find div with xPath {xPath} on page {page.Url}. Trying again: attempt {attempt}");45                    Thread.Sleep(attempt * 1000);46                }47                handle = await GetElement( page, xPath);48                attempt++;49            }50            if (handle == null)51            {52                Log.Error( $"Could not find div with xPath {xPath} on page {page.Url}!");53                // TODO Throw exception54                return "";55            }56            return await page.EvaluateFunctionAsync<string>("e => e.textContent", handle);57        }58        protected async Task<ElementHandle?> GetElementWithContent(Page page, string elementType, string content)59        {60            string xPathMatch = string.Format("//{0}[contains(., '{1}')]", elementType, content);61            return await GetElement(page, xPathMatch);62        }63        public async Task<bool> GoToPage(string url)64        {65            Console.WriteLine($"Navigating to page {url}");66            if (Browser == null)67            {68                Browser = await StartBrowser();69            }70            Page page = await GetPage();71            try72            {73                if (page.Url == url)74                {75                    await page.ReloadAsync();76                    return page.Url == url;77                }78                await page.GoToAsync(url);79                return page.Url == url;80            }81            catch (Exception ex)82            {83                Log.Error($"Error loading page {url}, {ex}");84                return false;85            }86        }87        protected async Task<ElementHandle?> GetElement(Page page, string xPathMatch)88        {89            ElementHandle[] elementHandles = await page.XPathAsync(xPathMatch);90            List<ElementHandle> visibleHandles = new List<ElementHandle>();91            foreach (ElementHandle handle in elementHandles)92            {93                if (await handle.IsIntersectingViewportAsync())94                {95                    visibleHandles.Add(handle);96                }97            }98            if (visibleHandles.Count == 0)99            {100                return null;101            }102            if (visibleHandles.Count > 1)103            {104                Log.Warning(string.Format("Multiple elements found with xPath {0}", xPathMatch));105            }...

PuppeteerSharpRepoSpecs.cs

Source:PuppeteerSharpRepoSpecs.cs

...23            {24                Page page = Browser.NewPageAsync().Await();25                page.GoToAsync("https://github.com/").Await();26                page.QuerySelectorAsync("h1").ShouldHaveContent("Where the world builds software");27                ElementHandle input = page.QuerySelectorAsync("input.header-search-input").Await();28                if (input.IsHidden()) page.ClickAsync(".octicon-three-bars").Await();29                page.TypeAsync("input.header-search-input", "Puppeteer Sharp").Await();30                page.Keyboard.PressAsync("Enter").Await();31                page.WaitForNavigationAsync().Await();32                ElementHandle[] repositories = page.QuerySelectorAllAsync(".repo-list-item").Await();33                repositories.Length.ShouldBeGreaterThan(0);34                var repository = repositories.First();35                repository.ShouldHaveContent("hardkoded/puppeteer-sharp");36                ElementHandle text = repository.QuerySelectorAsync("p").Await();37                text.ShouldHaveContent("Headless Chrome .NET API");38                ElementHandle link = repository.QuerySelectorAsync("a").Await();39                link.ClickAsync().Await();40                page.WaitForNavigationAsync().Await();41                page.QuerySelectorAsync("article > h1").ShouldHaveContent("Puppeteer Sharp");42                page.Url.ShouldEqual("https://github.com/hardkoded/puppeteer-sharp");43            };44        }45        class When_viewing_the_repo_on_GitHub46        {47            It should_have_successful_build_status = () =>48            {49                Page page = Browser.NewPageAsync().Await();50                page.GoToAsync("https://github.com/hardkoded/puppeteer-sharp").Await();51                ElementHandle build = page.QuerySelectorAsync("img[alt='Build status']").Await();52                build.ClickAsync().Await();53                page.WaitForNavigationAsync(new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } }).Await();54                ElementHandle success = page.QuerySelectorAsync(".project-build.project-build-status.success").Await();55                success.ShouldExist();56            };57            It should_be_up_to_date_with_the_Puppeteer_version = () =>58            {59                Page page = Browser.NewPageAsync().Await();60                page.GoToAsync("https://github.com/hardkoded/puppeteer-sharp").Await();61                var puppeteerSharpVersion = GetLatestReleaseVersion();62                page.GoToAsync("https://github.com/puppeteer/puppeteer").Await();63                var puppeteerVersion = GetLatestReleaseVersion();64                puppeteerSharpVersion.ShouldEqual(puppeteerVersion);65                string GetLatestReleaseVersion()66                {67                    ElementHandle latest = page.QuerySelectorWithContentAsync("a[href*='releases'] span", @"v\d+\.\d\.\d").Await();68                    return latest.TextContent();69                }70            };71        }72    }73}...

IPuppeteerBrowser.cs

Source:IPuppeteerBrowser.cs

...13        Task<string> GetPageContent(string stringUrl, params WaitUntilNavigation[] waitUntilNavigations);14        Task<Page> GetPage(string url, TimeSpan? timeoutPageLoad, params WaitUntilNavigation[] waitUntilNavigations);15        Task<Page[]> GetPages();16        Task<Page> WaitGetPage(Page page, string selector, string targetId);17        Task<Page> ClickAndGetPage(ElementHandle element, string targetId);18        Task<Page> ClickAndGetPage(ElementHandle element, string targetId, WaitForOptions waitForOptions);19        Task<string> GetContentAsync(Page page);20        Task ClickAsync(Page page, string clickPlace, ClickOptions clickOptions = null);21        Task<string> GetFramePage(string iframeSrc);22        Task<string> GetFramePage(Page page, string frameName);23        Task<string> GetVideoAdsOnUrl(Page page, string xPath);24        Task<string> GetScrolledPage(string videoUrl, int maxScroll, params WaitUntilNavigation[] waitUntilNavigations);25        Task<string> GetPagePermission(Page page, string permissionName);26        Task<string> ClickButtonForContinue(Page page, string buttonXPath, string adUrl,27            params WaitUntilNavigation[] waitUntilNavigations);28        /// <summary>29        /// Returns IpDetails by the specified url30        /// </summary>31        /// <param name="ipFetcherUrl">The ip details provider url.</param>32        /// <returns>The instance of <see cref="IpDetails"></see></returns>...

ProxyFactoryTests.cs

Source:ProxyFactoryTests.cs

...45            var elementHandles = await Page.QuerySelectorAllAsync("div");46            var result = ProxyFactory.ElementObjectArray(typeof(FakeElementObject), Page, elementHandles);47            Assert.NotEmpty(result);48            Assert.All(result.Cast<ElementObject>(), x => Assert.IsAssignableFrom<FakeElementObject>(x));49            result = ProxyFactory.ElementObjectArray(typeof(FakeElementObject), Page, new ElementHandle[0]);50            Assert.Empty(result);51        }52    }53}...

PageObjects.cs

Source:PageObjects.cs

...6{7    public class GitHubStartPage : PageObject8    {9        [Selector("h1")]10        public virtual Task<ElementHandle> Heading { get; }11        [Selector(".HeaderMenu")]12        public virtual Task<GitHubHeaderMenu> HeaderMenu { get; }13    }14    public class GitHubHeaderMenu : ElementObject15    {16        [Selector("input.header-search-input")]17        public virtual Task<ElementHandle> SearchInput { get; }18        public async Task<GitHubSearchPage> Search(string text)19        {20            var input = await SearchInput;21            if (await input.IsHiddenAsync()) await Page.ClickAsync(".octicon-three-bars");22            await input.TypeAsync(text);23            await input.PressAsync(Key.Enter);24            return await Page.WaitForNavigationAsync<GitHubSearchPage>();25        }26    }27    public class GitHubSearchPage : PageObject28    {29        [Selector(".repo-list-item")]30        public virtual Task<GitHubRepoListItem[]> RepoListItems { get; }31    }32    public class GitHubRepoListItem : ElementObject33    {34        [Selector("a")]35        public virtual Task<ElementHandle> Link { get; }36        [Selector("p")]37        public virtual Task<ElementHandle> Text { get; }38    }39    public class GitHubRepoPage : PageObject40    {41        [Selector("article > h1")]42        public virtual Task<ElementHandle> Heading { get; }43        [Selector("img[alt='Build status']")]44        public virtual Task<ElementHandle> BuildStatusBadge { get; }45        public async Task<string> GetLatestReleaseVersion()46        {47            var latest = await Page.QuerySelectorWithContentAsync("a[href*='releases'] span", @"v\d+\.\d\.\d");48            return await latest.TextContentAsync();49        }50    }51    public class AppVeyorBuildPage : PageObject52    {53        public async Task<bool> Success()54        {55            var success = await Page.QuerySelectorAsync(".project-build.project-build-status.success");56            return success.Exists();57        }58    }...

ElementObject.cs

Source:ElementObject.cs

...11    /// <![CDATA[12    /// public class BarElementObject : ElementObject13    /// {14    ///     [Selector("#foo")]15    ///     public virtual Task<ElementHandle> SelectorForElementHandle { get; }16    ///17    ///     [Selector(".bar")]18    ///     public virtual Task<ElementHandle[]> SelectorForElementHandleArray { get; }19    ///20    ///     [Selector("#foo")]21    ///     public virtual Task<FooElementObject> SelectorForElementObject { get; }22    ///23    ///     [Selector(".bar")]24    ///     public virtual Task<BarElementObject[]> SelectorForElementObjectArray { get; }25    ///26    ///     [XPath("//div")]27    ///     public virtual Task<ElementHandle[]> XPathForElementHandleArray { get; }28    ///29    ///     [XPath("//div")]30    ///     public virtual Task<FooElementObject[]> XPathForElementObjectArray { get; }31    /// }32    /// ]]>33    /// </code>34    /// </example>35    public abstract class ElementObject36    {37        /// <summary>38        /// The <c>PuppeteerSharp</c> page.39        /// </summary>40        public Page Page { get; private set; }41        /// <summary>42        /// The <c>PuppeteerSharp</c> element handle.43        /// </summary>44        public ElementHandle Element { get; private set; }45        internal void Initialize(Page page, ElementHandle element)46        {47            Page = page;48            Element = element;49        }50    }51}...

HomePage.cs

Source:HomePage.cs

...10{11    public class HomePage : PageObject12    {13        [Selector(".slider ul li a")]14        public virtual Task<ElementHandle[]> MovieElements { get; set; }15        public async Task<List<string>> GetMovieDataList()16        {17            var aEls = await MovieElements;18            var linkAddress = new List<string>();19            foreach (var item in aEls)20            {21                var attrVal = await item.GetAttributeAsync("href");22                linkAddress.Add(attrVal);23            }24            //var tempPage = await Page.Browser.NewPageAsync();25            //var result = new List<MovieModel>();26            //foreach (var address in linkAddress)27            //{28            //    var movie = await tempPage.GoToAsync<Movie>(address,...

HandleExtensions.cs

Source:HandleExtensions.cs

...4namespace Wasari.Puppeteer5{6    public static class HandleExtensions7    {8        public static async Task<ElementHandle> SingleOrDefaultXPathAsync(this Page page,9            string xpath)10        {11            var handles = await page.XPathAsync(xpath);12            return handles.SingleOrDefault();13        }14        15        public static async Task<ElementHandle> SingleOrDefaultXPathAsync(this ElementHandle elementHandle,16            string xpath)17        {18            var handles = await elementHandle.XPathAsync(xpath);19            return handles.SingleOrDefault();20        }21        public static async Task<T> GetPropertyValue<T>(this JSHandle elementHandle, string property)22        {23            await using var propertyAsync = await elementHandle.GetPropertyAsync(property);24            if (propertyAsync != null)25                return await propertyAsync.JsonValueAsync<T>();26            return default;27        }28    }29}...

ElementHandle

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            {9                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"10            };11            using (var browser = await Puppeteer.LaunchAsync(options))12            {13                using (var page = await browser.NewPageAsync())14                {15                    var search = await page.QuerySelectorAsync("input[name='q']");16                    await search.TypeAsync("PuppeteerSharp");17                    await search.PressAsync("Enter");18                    await page.WaitForNavigationAsync();19                    var element = await page.QuerySelectorAsync("h3 > a");20                    var href = await element.GetPropertyAsync("href");21                    Console.WriteLine(href.ToString());22                }23            }24        }25    }26}

ElementHandle

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7{8    {9        static void Main(string[] args)10        {11            MainAsync().Wait();12        }13        static async Task MainAsync()14        {15            {16            };17            using (var browser = await Puppeteer.LaunchAsync(options))18            {19                using (var page = await browser.NewPageAsync())20                {21                    var element = await page.QuerySelectorAsync("input[name='q']");22                    await element.TypeAsync("Hello World");23                    await element.PressAsync("Enter");24                    await page.WaitForNavigationAsync();25                    Console.WriteLine(page.Url);26                }27            }28        }29    }30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Threading.Tasks;36using PuppeteerSharp;37{38    {39        static void Main(string[] args)40        {41            MainAsync().Wait();42        }43        static async Task MainAsync()44        {45            {46            };47            using (var browser = await Puppeteer.LaunchAsync(options))48            {49                using (var page = await browser.NewPageAsync())50                {51                    var element = await page.QuerySelectorAsync("input[name='q']");52                    await element.TypeAsync("Hello World");53                    await element.PressAsync("Enter");54                    await page.WaitForNavigationAsync();55                    Console.WriteLine(page.Url);56                }57            }58        }59    }60}61using System;62using System.Collections.Generic;63using System.Linq;64using System.Text;65using System.Threading.Tasks;66using PuppeteerSharp;67{68    {69        static void Main(string[] args)70        {71            MainAsync().Wait();72        }73        static async Task MainAsync()74        {75            {76            };77            using (var browser = await

ElementHandle

Using AI Code Generation

1using PuppeteerSharp;2var options = new LaunchOptions { Headless = false };3var browser = await Puppeteer.LaunchAsync(options);4var page = await browser.NewPageAsync();5var element = await page.QuerySelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");6await element.TypeAsync("PuppeteerSharp");7await browser.CloseAsync();8using PuppeteerSharp;9var options = new LaunchOptions { Headless = false };10var browser = await Puppeteer.LaunchAsync(options);11var page = await browser.NewPageAsync();12var element = await page.QuerySelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");13await element.TypeAsync("PuppeteerSharp");14await browser.CloseAsync();15using PlaywrightSharp;16var playwright = await Playwright.CreateAsync();17var browser = await playwright.Chromium.LaunchAsync();18var context = await browser.NewContextAsync();19var page = await context.NewPageAsync();20var element = await page.QuerySelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");21await element.TypeAsync("PlaywrightSharp");22await browser.CloseAsync();

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