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How to use HeaderValueAsync method of Microsoft.Playwright.Core.Request class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Request.HeaderValueAsync

Crawler.cs

Source:Crawler.cs

...240                return null;241            }242243            var pageUri = await GetCanonicalUrl(page);244            var contentType = await response.HeaderValueAsync("content-type");245            var pageData = new PageData(pageUri);246247            if (IsMimeTypeOneOf(contentType, "application/atom+xml", "application/xml"))248            {249                try250                {251                    var responseContent = await response.TextAsync();252                    var document = XDocument.Parse(responseContent);253254                    var nsmgr = new XmlNamespaceManager(new NameTable());255                    nsmgr.AddNamespace("atom", "http://www.w3.org/2005/Atom");256257                    foreach (var link in document.XPathSelectElements("/atom:feed/atom:entry/atom:link[@rel='alternate']", nsmgr))258                    {
...

PageNetworkRequestTest.cs

Source:PageNetworkRequestTest.cs

...291    })292");293            await Task.WhenAll(requestTask, evalTask);294            var req = requestTask.Result;295            Assert.AreEqual("value-a, value-a-1, value-a-2", await req.HeaderValueAsync("header-a"));296            Assert.IsNull(await req.HeaderValueAsync("not-there"));297        }298    }299}...

PageNetworkResponseTests.cs

Source:PageNetworkResponseTests.cs

...196            var response = responseTask.Result;197            var resultedHeaders = (await response.HeadersArrayAsync()).Where(x => x.Name.ToLower() == "set-cookie");198            var values = resultedHeaders.Select(x => x.Value).ToArray();199            CollectionAssert.AreEqual(new string[] { "a=b", "c=d" }, values);200            Assert.IsNull(await response.HeaderValueAsync("not-there"));201            Assert.AreEqual("a=b\nc=d", await response.HeaderValueAsync("set-cookie"));202            Assert.AreEqual(new string[] { "a=b", "c=d" }, (await response.HeaderValuesAsync("set-cookie")).ToArray());203        }204        [PlaywrightTest("page-network-response.spec.ts", "should behave the same way for headers and allHeaders")]205        [Skip(SkipAttribute.Targets.Webkit | SkipAttribute.Targets.Windows)] // libcurl does not support non-set-cookie multivalue headers206        public async Task ShouldBehaveTheSameWayForHeadersAndAllHeaders()207        {208            Server.SetRoute("/headers", async ctx =>209            {210                if (!TestConstants.IsChromium)211                {212                    ctx.Response.Headers.Append("Set-Cookie", "a=b");213                    ctx.Response.Headers.Append("Set-Cookie", "c=d");214                }215                ctx.Response.Headers.Append("Name-A", "v1");...

Request.cs

Source:Request.cs

...105        public async Task<Dictionary<string, string>> AllHeadersAsync()106            => (await GetRawHeadersAsync().ConfigureAwait(false)).Headers;107        public async Task<IReadOnlyList<Header>> HeadersArrayAsync()108            => (await GetRawHeadersAsync().ConfigureAwait(false)).HeadersArray;109        public async Task<string> HeaderValueAsync(string name)110            => (await GetRawHeadersAsync().ConfigureAwait(false)).Get(name);111        private Task<RawHeaders> GetRawHeadersAsync()112        {113            if (_rawHeadersTask == null)114            {115                _rawHeadersTask = GetRawHeadersTaskAsync();116            }117            return _rawHeadersTask;118        }119        private async Task<RawHeaders> GetRawHeadersTaskAsync()120        {121            var headers = await _channel.GetRawRequestHeadersAsync().ConfigureAwait(false);122            return new(headers);123        }...

Response.cs

Source:Response.cs

...62        public Task<byte[]> BodyAsync() => _channel.GetBodyAsync();63        public Task<string> FinishedAsync() => _finishedTask.Task;64        public async Task<IReadOnlyList<Header>> HeadersArrayAsync()65            => (await GetRawHeadersAsync().ConfigureAwait(false)).HeadersArray;66        public async Task<string> HeaderValueAsync(string name)67            => (await GetRawHeadersAsync().ConfigureAwait(false)).Get(name);68        public async Task<IReadOnlyList<string>> HeaderValuesAsync(string name)69            => (await GetRawHeadersAsync().ConfigureAwait(false)).GetAll(name);70        public async Task<JsonElement?> JsonAsync()71        {72            byte[] content = await BodyAsync().ConfigureAwait(false);73            return JsonDocument.Parse(content).RootElement;74        }75        public Task<ResponseSecurityDetailsResult> SecurityDetailsAsync() => _channel.SecurityDetailsAsync();76        public Task<ResponseServerAddrResult> ServerAddrAsync() => _channel.ServerAddrAsync();77        public async Task<string> TextAsync()78        {79            byte[] content = await BodyAsync().ConfigureAwait(false);80            return Encoding.UTF8.GetString(content);...

HeaderValueAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            var request = await page.WaitForRequestAsync("**/*");16            var requestUrl = request.Url;17            var requestHeaders = request.Headers;18            var requestHeaderValue = await request.HeaderValueAsync("accept");19            Console.WriteLine(requestUrl);20            Console.WriteLine(requestHeaders);21            Console.WriteLine(requestHeaderValue);22        }23    }24}25{accept=text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9,accept-encoding=gzip, deflate, br,accept-language=en-US,en;q=0.9,accept-ranges=none,access-control-allow-credentials=false,access-control-allow-headers=content-type,access-control-allow-methods=GET,POST,OPTIONS,access-control-allow-origin=*,access-control-expose-headers=*,access-control-max-age=0,cache-control=no-cache,connection=keep-alive,content-encoding=gzip,content-length=0,content-type=text/html;charset=UTF-8,date=Thu, 11 Feb 2021 15:15:21 GMT,expires=Thu, 01 Jan 1970 00:00:00 GMT,pragma=no-cache,server=gws,transfer-encoding=chunked,vary=Accept-Encoding,x-frame-options=SAMEORIGIN,x-xss-protection=026accept-language=en-US,en;q=0.9

HeaderValueAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Core;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var request = await page.WaitForRequestAsync("**/complete/search");15            string value = await request.HeaderValueAsync("accept");16            Console.WriteLine(value);17        }18    }19}20text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.921using System;22using System.Threading.Tasks;23using Microsoft.Playwright;24using Microsoft.Playwright.Core;25{26    {27        static async Task Main(string[] args)28        {29            using var playwright = await Playwright.CreateAsync();30            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions31            {32            });33            var page = await browser.NewPageAsync();34            var request = await page.WaitForRequestAsync("**/complete/search");35            var headers = await request.HeadersAsync();36            foreach (var item in headers)37            {38                Console.WriteLine(item.Key + " : " + item.Value);39            }40        }41    }42}43accept : text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.944accept-language : en-US,en;q=0.9

HeaderValueAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            {15            });16            var request = await page.WaitForRequestAsync("**/complete/search?**");17            var headerValue = await request.HeaderValueAsync("Referer");18            Console.WriteLine(headerValue);19        }20    }21}

HeaderValueAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10            {11            });12            var context = await browser.NewContextAsync(new BrowserNewContextOptions13            {14            });15            var page = await context.NewPageAsync();16            var request = await page.WaitForRequestAsync("**/*");17            Console.WriteLine(await request.HeaderValueAsync("content-type"));18        }19    }20}

HeaderValueAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });10            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            page.Request += async (sender, e) =>13            {14                var headerValue = await e.Request.HeaderValueAsync("Accept-Encoding");15                Console.WriteLine(headerValue);16            };17        }18    }19}20using System;21using System.Threading.Tasks;22using Microsoft.Playwright;23{24    {25        static async Task Main(string[] args)26        {27            using var playwright = await Playwright.CreateAsync();28            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });29            var context = await browser.NewContextAsync();30            var page = await context.NewPageAsync();31            page.Request += async (sender, e) =>32            {33                var headerValue = await e.Request.HeaderValuesAsync("Accept-Encoding");34                Console.WriteLine(headerValue);35            };36        }37    }38}39using System;40using System.Threading.Tasks;41using Microsoft.Playwright;42{43    {44        static async Task Main(string[] args)45        {46            using var playwright = await Playwright.CreateAsync();47            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });48            var context = await browser.NewContextAsync();49            var page = await context.NewPageAsync();

HeaderValueAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2await page.ClickAsync("text=Images");3var request = await page.WaitForRequestAsync("**/*");4var headerValue = await request.HeaderValueAsync("content-type");5Console.WriteLine(headerValue);6await browser.CloseAsync();7var page = await browser.NewPageAsync();8await page.ClickAsync("text=Images");9var request = await page.WaitForRequestAsync("**/*");10var headers = await request.HeadersAsync();11foreach (var header in headers)12{13    Console.WriteLine($"{header.Key} : {header.Value}");14}15await browser.CloseAsync();16var page = await browser.NewPageAsync();17await page.ClickAsync("text=Images");18var request = await page.WaitForRequestAsync("**/*");19var postData = await request.PostDataAsync();20Console.WriteLine(postData);21await browser.CloseAsync();22var page = await browser.NewPageAsync();23await page.ClickAsync("text=Images");24var request = await page.WaitForRequestAsync("**/*");25var redirectedFrom = await request.RedirectedFromAsync();26Console.WriteLine(redirectedFrom);27await browser.CloseAsync();28var page = await browser.NewPageAsync();29await page.ClickAsync("text=Images");30var request = await page.WaitForRequestAsync("**/*");31var redirectedTo = await request.RedirectedToAsync();32Console.WriteLine(redirectedTo);33await browser.CloseAsync();34var page = await browser.NewPageAsync();35await page.ClickAsync("text=Images");36var request = await page.WaitForRequestAsync("**/*");37var response = await request.ResponseAsync();38Console.WriteLine(response);

HeaderValueAsync

Using AI Code Generation

1var headerValue = await request.HeaderValueAsync("Accept");2Console.WriteLine("Header value: " + headerValue);3var headerValue = await response.HeaderValueAsync("Accept");4Console.WriteLine("Header value: " + headerValue);5var headerValue = await route.HeaderValueAsync("Accept");6Console.WriteLine("Header value: " + headerValue);7var headerValue = await frame.HeaderValueAsync("Accept");8Console.WriteLine("Header value: " + headerValue);9var headerValue = await elementHandle.HeaderValueAsync("Accept");10Console.WriteLine("Header value: " + headerValue);11var jSHandle = await page.EvaluateHandleAsync("() => document.body");12var headerValue = await jSHandle.HeaderValueAsync("Accept");13Console.WriteLine("Header value: " + headerValue);14var headerValue = await page.HeaderValueAsync("Accept");15Console.WriteLine("Header value: " + headerValue);16var headerValue = await browserContext.HeaderValueAsync("Accept");17Console.WriteLine("Header value: " + headerValue);18var headerValue = await browser.HeaderValueAsync("Accept");19Console.WriteLine("Header value: " + headerValue);20var headerValue = await playwright.HeaderValueAsync("Accept");21Console.WriteLine("Header value: " + headerValue);

HeaderValueAsync

Using AI Code Generation

1var contentType = await request.HeaderValueAsync("content-type");2Console.WriteLine(contentType);3var headers = await request.HeadersAsync();4foreach (var header in headers)5{6    Console.WriteLine($"{header.Key} : {header.Value}");7}8var headers = await request.HeadersArrayAsync();9foreach (var header in headers)10{11    Console.WriteLine($"{header.Name} : {header.Value}");12}13var headers = await request.HeadersHashAsync();14foreach (var header in headers)15{16    Console.WriteLine($"{header.Key} : {header.Value}");17}18var headers = await request.HeadersObjectAsync();19foreach (var header in headers)20{21    Console.WriteLine($"{header.Key} : {header.Value}");22}23var headers = await request.HeadersTextAsync();24Console.WriteLine(headers);25var isNavigationRequest = await request.IsNavigationRequestAsync();26Console.WriteLine(isNavigationRequest);

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