Remove Microsoft.Components.Web.Extensions (#26256) (#26298)

The package was marked as non-shipping but we continued to build and test it. This change
removes it. A copy of this code exists in asplabs so all is not lost.

AspNetCore.sln

@@ -1391,10 +1391,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ServerComparison.Functional
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Testing.Tests", "src\Testing\test\Microsoft.AspNetCore.Testing.Tests.csproj", "{1542DC58-1836-4191-A9C5-51D1716D2543}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Web.Extensions", "Web.Extensions", "{F71FE795-9923-461B-9809-BB1821A276D0}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Components.Web.Extensions", "src\Components\Web.Extensions\src\Microsoft.AspNetCore.Components.Web.Extensions.csproj", "{8294A74F-7DAA-4B69-BC56-7634D93C9693}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Sdk", "Sdk", "{FED4267E-E5E4-49C5-98DB-8B3F203596EE}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.NET.Sdk.BlazorWebAssembly", "src\Components\WebAssembly\Sdk\src\Microsoft.NET.Sdk.BlazorWebAssembly.csproj", "{6B2734BF-C61D-4889-ABBF-456A4075D59B}"
@@ -6701,18 +6697,6 @@ Global
 		{1542DC58-1836-4191-A9C5-51D1716D2543}.Release|x64.Build.0 = Release|Any CPU
 		{1542DC58-1836-4191-A9C5-51D1716D2543}.Release|x86.ActiveCfg = Release|Any CPU
 		{1542DC58-1836-4191-A9C5-51D1716D2543}.Release|x86.Build.0 = Release|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Debug|x64.Build.0 = Debug|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Debug|x86.Build.0 = Debug|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Release|x64.ActiveCfg = Release|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Release|x64.Build.0 = Release|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Release|x86.ActiveCfg = Release|Any CPU
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693}.Release|x86.Build.0 = Release|Any CPU
 		{6B2734BF-C61D-4889-ABBF-456A4075D59B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{6B2734BF-C61D-4889-ABBF-456A4075D59B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6B2734BF-C61D-4889-ABBF-456A4075D59B}.Debug|x64.ActiveCfg = Debug|Any CPU
@@ -8080,8 +8064,6 @@ Global
 		{3CBC4802-E9B8-48B7-BC8C-B0AFB9EEC643} = {0ACCEDA7-339C-4B4D-8DD4-1AC271F31C04}
 		{48E64014-B249-4644-8AEB-CDEE8ABA0DC2} = {3CBC4802-E9B8-48B7-BC8C-B0AFB9EEC643}
 		{1542DC58-1836-4191-A9C5-51D1716D2543} = {05A169C7-4F20-4516-B10A-B13C5649D346}
-		{F71FE795-9923-461B-9809-BB1821A276D0} = {60D51C98-2CC0-40DF-B338-44154EFEE2FF}
-		{8294A74F-7DAA-4B69-BC56-7634D93C9693} = {F71FE795-9923-461B-9809-BB1821A276D0}
 		{FED4267E-E5E4-49C5-98DB-8B3F203596EE} = {562D5067-8CD8-4F19-BCBB-873204932C61}
 		{6B2734BF-C61D-4889-ABBF-456A4075D59B} = {FED4267E-E5E4-49C5-98DB-8B3F203596EE}
 		{83371889-9A3E-4D16-AE77-EB4F83BC6374} = {FED4267E-E5E4-49C5-98DB-8B3F203596EE}

eng/ProjectReferences.props

@@ -141,7 +141,6 @@
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.Components.Forms" ProjectPath="$(RepoRoot)src\Components\Forms\src\Microsoft.AspNetCore.Components.Forms.csproj" />
     <ProjectReferenceProvider Include="Ignitor" ProjectPath="$(RepoRoot)src\Components\Ignitor\src\Ignitor.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.Components.Server" ProjectPath="$(RepoRoot)src\Components\Server\src\Microsoft.AspNetCore.Components.Server.csproj" />
-    <ProjectReferenceProvider Include="Microsoft.AspNetCore.Components.Web.Extensions" ProjectPath="$(RepoRoot)src\Components\Web.Extensions\src\Microsoft.AspNetCore.Components.Web.Extensions.csproj" />
     <ProjectReferenceProvider Include="Microsoft.Authentication.WebAssembly.Msal" ProjectPath="$(RepoRoot)src\Components\WebAssembly\Authentication.Msal\src\Microsoft.Authentication.WebAssembly.Msal.csproj" />
     <ProjectReferenceProvider Include="Microsoft.JSInterop.WebAssembly" ProjectPath="$(RepoRoot)src\Components\WebAssembly\JSInterop\src\Microsoft.JSInterop.WebAssembly.csproj" />
     <ProjectReferenceProvider Include="Microsoft.NET.Sdk.BlazorWebAssembly" ProjectPath="$(RepoRoot)src\Components\WebAssembly\Sdk\src\Microsoft.NET.Sdk.BlazorWebAssembly.csproj" />

src/Components/Components.slnf

@@ -101,7 +101,6 @@
       "src\\Components\\test\\testassets\\GlobalizationWasmApp\\GlobalizationWasmApp.csproj",
       "src\\Components\\benchmarkapps\\Wasm.Performance\\Driver\\Wasm.Performance.Driver.csproj",
       "src\\Components\\benchmarkapps\\Wasm.Performance\\TestApp\\Wasm.Performance.TestApp.csproj",
-      "src\\Components\\Web.Extensions\\src\\Microsoft.AspNetCore.Components.Web.Extensions.csproj",
       "src\\Components\\WebAssembly\\Server\\test\\Microsoft.AspNetCore.Components.WebAssembly.Server.Tests.csproj",
       "src\\Components\\WebAssembly\\Authentication.Msal\\src\\Microsoft.Authentication.WebAssembly.Msal.csproj",
       "src\\Components\\WebAssembly\\JSInterop\\src\\Microsoft.JSInterop.WebAssembly.csproj",

src/Components/ComponentsNoDeps.slnf

@@ -16,7 +16,6 @@
       "src\\Components\\Samples\\BlazorServerApp\\BlazorServerApp.csproj",
       "src\\Components\\Server\\src\\Microsoft.AspNetCore.Components.Server.csproj",
       "src\\Components\\Server\\test\\Microsoft.AspNetCore.Components.Server.Tests.csproj",
-      "src\\Components\\Web.Extensions\\src\\Microsoft.AspNetCore.Components.Web.Extensions.csproj",
       "src\\Components\\WebAssembly\\Authentication.Msal\\src\\Microsoft.Authentication.WebAssembly.Msal.csproj",
       "src\\Components\\WebAssembly\\DevServer\\src\\Microsoft.AspNetCore.Components.WebAssembly.DevServer.csproj",
       "src\\Components\\WebAssembly\\JSInterop\\src\\Microsoft.JSInterop.WebAssembly.csproj",

src/Components/Web.Extensions/src/HeadManagement/HeadManagementJSRuntimeExtensions.cs

@@ -1,28 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System.Threading.Tasks;
-using Microsoft.JSInterop;
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    internal static class HeadManagementJSRuntimeExtensions
-    {
-        private const string JsFunctionsPrefix = "_blazorHeadManager";
-
-        public static ValueTask SetTitleAsync(this IJSRuntime jsRuntime, string title)
-        {
-            return jsRuntime.InvokeVoidAsync($"{JsFunctionsPrefix}.setTitle", title);
-        }
-
-        public static ValueTask AddOrUpdateHeadTagAsync(this IJSRuntime jsRuntime, TagElement tag, string id)
-        {
-            return jsRuntime.InvokeVoidAsync($"{JsFunctionsPrefix}.addOrUpdateHeadTag", tag, id);
-        }
-
-        public static ValueTask RemoveHeadTagAsync(this IJSRuntime jsRuntime, string id)
-        {
-            return jsRuntime.InvokeVoidAsync($"{JsFunctionsPrefix}.removeHeadTag", id);
-        }
-    }
-}

src/Components/Web.Extensions/src/HeadManagement/HeadTagBase.cs

@@ -1,67 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using System.Collections.Generic;
-using System.Text.Json;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Components.Rendering;
-using Microsoft.JSInterop;
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    /// <summary>
-    /// Serves as a base for components that represent tags in the HTML head.
-    /// </summary>
-    public abstract class HeadTagBase : ComponentBase, IDisposable
-    {
-        private readonly string _id = Guid.NewGuid().ToString("N");
-
-        private TagElement _tagElement;
-
-        private bool _hasRendered;
-
-        [Inject]
-        private IJSRuntime JSRuntime { get; set; } = default!;
-
-        /// <summary>
-        /// Gets or sets a collection of additional attributes that will be applied to the meta element.
-        /// </summary>
-        [Parameter(CaptureUnmatchedValues = true)]
-        public IReadOnlyDictionary<string, object>? Attributes { get; set; }
-
-        /// <summary>
-        /// Gets the name of the tag being represented.
-        /// </summary>
-        protected abstract string TagName { get; }
-
-        /// <inheritdoc />
-        protected override void OnParametersSet()
-        {
-            _tagElement = new TagElement(TagName, Attributes);
-        }
-
-        /// <inheritdoc />
-        protected override async Task OnAfterRenderAsync(bool firstRender)
-        {
-            _hasRendered = true;
-
-            await JSRuntime.AddOrUpdateHeadTagAsync(_tagElement, _id);
-        }
-
-        /// <inheritdoc />
-        protected override void BuildRenderTree(RenderTreeBuilder builder)
-        {
-            builder.AddMarkupContent(0, $"<!--Head:{JsonSerializer.Serialize(_tagElement, JsonSerializerOptionsProvider.Options)}-->");
-        }
-
-        /// <inheritdoc />
-        public void Dispose()
-        {
-            if (_hasRendered)
-            {
-                _ = JSRuntime.RemoveHeadTagAsync(_id);
-            }
-        }
-    }
-}

src/Components/Web.Extensions/src/HeadManagement/Link.cs

@@ -1,14 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    /// <summary>
-    /// A component that adds a link tag to the HTML head.
-    /// </summary>
-    public sealed class Link : HeadTagBase
-    {
-        /// <inheritdoc />
-        protected override string TagName => "link";
-    }
-}

src/Components/Web.Extensions/src/HeadManagement/Meta.cs

@@ -1,14 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    /// <summary>
-    /// A component that adds a meta tag to the HTML head.
-    /// </summary>
-    public sealed class Meta : HeadTagBase
-    {
-        /// <inheritdoc />
-        protected override string TagName => "meta";
-    }
-}

src/Components/Web.Extensions/src/HeadManagement/TagElement.cs

@@ -1,22 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System.Collections.Generic;
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    internal readonly struct TagElement
-    {
-        public string Type => "tag";
-
-        public string TagName { get; }
-
-        public IReadOnlyDictionary<string, object>? Attributes { get; }
-
-        public TagElement(string tagName, IReadOnlyDictionary<string, object>? attributes)
-        {
-            TagName = tagName;
-            Attributes = attributes;
-        }
-    }
-}

src/Components/Web.Extensions/src/HeadManagement/Title.cs

@@ -1,37 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System.Text.Json;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Components.Rendering;
-using Microsoft.JSInterop;
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    /// <summary>
-    /// A component that changes the title of the document.
-    /// </summary>
-    public sealed class Title : ComponentBase
-    {
-        [Inject]
-        private IJSRuntime JSRuntime { get; set; } = default!;
-
-        /// <summary>
-        /// Gets or sets the value to use as the document's title.
-        /// </summary>
-        [Parameter]
-        public string Value { get; set; } = string.Empty;
-
-        /// <inheritdoc />
-        protected override async Task OnAfterRenderAsync(bool firstRender)
-        {
-            await JSRuntime.SetTitleAsync(Value);
-        }
-
-        /// <inheritdoc />
-        protected override void BuildRenderTree(RenderTreeBuilder builder)
-        {
-            builder.AddMarkupContent(0, $"<!--Head:{JsonSerializer.Serialize(new TitleElement(Value), JsonSerializerOptionsProvider.Options)}-->");
-        }
-    }
-}

src/Components/Web.Extensions/src/HeadManagement/TitleElement.cs

@@ -1,17 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-namespace Microsoft.AspNetCore.Components.Web.Extensions.Head
-{
-    internal readonly struct TitleElement
-    {
-        public string Type => "title";
-
-        public string Title { get; }
-
-        public TitleElement(string title)
-        {
-            Title = title;
-        }
-    }
-}

src/Components/Web.Extensions/src/Microsoft.AspNetCore.Components.Web.Extensions.csproj

@@ -1,21 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk.Razor">
-
-  <PropertyGroup>
-    <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
-    <Description>A collection of Blazor components for the web.</Description>
-    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <RootNamespace>Microsoft.AspNetCore.Components</RootNamespace>
-    <Nullable>enable</Nullable>
-    <IsShipping>false</IsShipping>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <Reference Include="Microsoft.AspNetCore.Components" />
-    <Reference Include="Microsoft.JSInterop" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <Compile Include="..\..\Shared\src\JsonSerializerOptionsProvider.cs" />
-  </ItemGroup>
-
-</Project>

src/Components/Web.Extensions/src/Properties/AssemblyInfo.cs

@@ -1,3 +0,0 @@
-using System.Runtime.CompilerServices;
-
-[assembly: InternalsVisibleTo("Microsoft.AspNetCore.Components.Web.Extensions.Tests, PublicKey=0024000004800000940000000602000000240000525341310004000001000100f33a29044fa9d740c9b3213a93e57c84b472c84e0b8a0e1ae48e67a9f8f6de9d5f7f3d52ac23e48ac51801f1dc950abe901da34d2a9e3baadb141a17c77ef3c565dd5ee5054b91cf63bb3c6ab83f72ab3aafe93d0fc3c2348b764fafb0b1c0733de51459aeab46580384bf9d74c4e28164b7cde247f891ba07891c9d872ad2bb")]

src/Components/Web.Extensions/src/PublicAPI.Shipped.txt

@@ -1 +0,0 @@
-#nullable enable

src/Components/Web.Extensions/src/PublicAPI.Unshipped.txt

@@ -1,18 +0,0 @@
-#nullable enable
-Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase
-Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.Attributes.get -> System.Collections.Generic.IReadOnlyDictionary<string!, object!>?
-Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.Attributes.set -> void
-Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.Dispose() -> void
-Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.HeadTagBase() -> void
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Link
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Link.Link() -> void
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Meta
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Meta.Meta() -> void
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Title
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Title.Title() -> void
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Title.Value.get -> string!
-Microsoft.AspNetCore.Components.Web.Extensions.Head.Title.Value.set -> void
-abstract Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.TagName.get -> string!
-override Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder! builder) -> void
-override Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.OnAfterRenderAsync(bool firstRender) -> System.Threading.Tasks.Task!
-override Microsoft.AspNetCore.Components.Web.Extensions.Head.HeadTagBase.OnParametersSet() -> void

src/Components/Web.Extensions/src/wwwroot/headManager.js

@@ -1,102 +0,0 @@
-(function () {
-    // Local helpers
-
-    const blazorIdAttributeName = '_blazor_id';
-    const headCommentRegularExpression = /\W*Head:[^{]*(.*)$/;
-    const prerenderedTags = [];
-
-    function createHeadTag({ tagName, attributes }, id) {
-        const tagElement = document.createElement(tagName);
-
-        // The id is undefined during prerendering
-        if (id) {
-            tagElement.setAttribute(blazorIdAttributeName, id);
-        }
-
-        if (attributes) {
-            Object.keys(attributes).forEach(key => {
-                tagElement.setAttribute(key, attributes[key]);
-            });
-        }
-
-        document.head.appendChild(tagElement);
-
-        return tagElement;
-    }
-
-    function resolvePrerenderedHeadComponents(node) {
-        node.childNodes.forEach((childNode) => {
-            const headElement = parseHeadComment(childNode);
-
-            if (headElement) {
-                applyPrerenderedHeadComponent(headElement);
-            } else {
-                resolvePrerenderedHeadComponents(childNode);
-            }
-        });
-    }
-
-    function applyPrerenderedHeadComponent(headElement) {
-        switch (headElement.type) {
-            case 'title':
-                setTitle(headElement.title);
-                break;
-            case 'tag':
-                const tag = createHeadTag(headElement);
-                prerenderedTags.push(tag);
-                break;
-            default:
-                throw new Error(`Invalid head element type '${headElement.type}'.`);
-        }
-    }
-
-    function parseHeadComment(node) {
-        if (!node || node.nodeType != Node.COMMENT_NODE) {
-            return;
-        }
-
-        const commentText = node.textContent;
-
-        if (!commentText) {
-            return;
-        }
-
-        const definition = headCommentRegularExpression.exec(commentText);
-        const json = definition && definition[1];
-
-        return json && JSON.parse(json);
-    }
-
-    function removePrerenderedHeadTags() {
-        prerenderedTags.forEach((tag) => {
-            tag.remove();
-        });
-
-        prerenderedTags.length = 0;
-    }
-
-    // Exported functions
-
-    function setTitle(title) {
-        document.title = title;
-    }
-
-    function addOrUpdateHeadTag(tag, id) {
-        removePrerenderedHeadTags();
-        removeHeadTag(id);
-        createHeadTag(tag, id);
-    }
-
-    function removeHeadTag(id) {
-        let tag = document.head.querySelector(`[${blazorIdAttributeName}='${id}']`);
-        tag && tag.remove();
-    }
-
-    window._blazorHeadManager = {
-        setTitle,
-        addOrUpdateHeadTag,
-        removeHeadTag,
-    };
-
-    resolvePrerenderedHeadComponents(document);
-})();

src/Components/test/E2ETest/ServerExecutionTests/PrerenderingTest.cs

@@ -82,39 +82,6 @@ namespace Microsoft.AspNetCore.Components.E2ETest.ServerExecutionTests
             AssertLogDoesNotContainCriticalMessages("Could not load file or assembly 'Newtonsoft.Json");
         }
 
-        [Fact]
-        [QuarantinedTest]
-        public void CanInfluenceHeadDuringPrerender()
-        {
-            Navigate("/prerendered/prerendered-head");
-
-            // Validate updated head during prerender
-            Browser.Equal("Initial title", () => Browser.Title);
-            Browser.Equal("Initial meta content", () => GetMetaWithBindings().GetAttribute("content"));
-            Browser.Equal("Immutable meta content", () => GetMetaWithoutBindings().GetAttribute("content"));
-
-            BeginInteractivity();
-
-            // Wait until the component has rerendered
-            Browser.Exists(By.Id("interactive-indicator"));
-
-            // Validate updated head after prerender
-            Browser.Equal("Initial title", () => Browser.Title);
-            Browser.Equal("Initial meta content", () => GetMetaWithBindings().GetAttribute("content"));
-            Browser.Equal("Immutable meta content", () => GetMetaWithoutBindings().GetAttribute("content"));
-
-            // Change parameter of meta component
-            var inputMetaBinding = Browser.FindElement(By.Id("input-meta-binding"));
-            inputMetaBinding.Clear();
-            inputMetaBinding.SendKeys("Updated meta content\n");
-
-            // Validate new meta content attribute
-            Browser.Equal("Updated meta content", () => GetMetaWithBindings().GetAttribute("content"));
-
-            IWebElement GetMetaWithBindings() => Browser.FindElement(By.Id("meta-with-bindings"));
-            IWebElement GetMetaWithoutBindings() => Browser.FindElement(By.Id("meta-no-bindings"));
-        }
-
         [Fact]
         public void CanReadUrlHashOnlyOnceConnected()
         {

src/Components/test/E2ETest/Tests/HeadComponentsTest.cs

@@ -1,175 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System.Linq;
-using BasicTestApp;
-using Microsoft.AspNetCore.Components.E2ETest.Infrastructure;
-using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures;
-using Microsoft.AspNetCore.E2ETesting;
-using OpenQA.Selenium;
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNetCore.Components.E2ETest.Tests
-{
-    public class HeadComponentsTest : E2ETest.Infrastructure.ServerTestBase<ToggleExecutionModeServerFixture<Program>>
-    {
-        public HeadComponentsTest(
-            BrowserFixture browserFixture,
-            ToggleExecutionModeServerFixture<Program> serverFixture,
-            ITestOutputHelper output)
-            : base(browserFixture, serverFixture, output)
-        {
-        }
-
-        protected override void InitializeAsyncCore()
-        {
-            Navigate(ServerPathBase, noReload: _serverFixture.ExecutionMode == ExecutionMode.Client);
-            Browser.MountTestComponent<ModifyHeadComponent>();
-        }
-
-        [Fact]
-        public void Title_DoesChangeDocumentTitle()
-        {
-            var titleCount = 3;
-            var titleButtonsById = Enumerable.Range(0, titleCount)
-                .Select(i => (i, Browser.FindElement(By.Id($"button-title-{i}"))))
-                .ToList();
-
-            Assert.All(titleButtonsById, buttonById =>
-            {
-                var (id, button) = buttonById;
-                button.Click();
-
-                Browser.Equal($"Title {id}", () => Browser.Title);
-            });
-        }
-
-        [Fact]
-        public void Title_DeepestComponentHasPriority()
-        {
-            var nestedTitleButton = Browser.FindElement(By.Id("button-title-nested"));
-            nestedTitleButton.Click();
-
-            Browser.Equal("Layer 4", () => Browser.Title);
-        }
-
-        [Fact]
-        public void Meta_AddsAndRemovesElements()
-        {
-            var metaCount = 3;
-            var metaButtonsById = Enumerable.Range(0, metaCount)
-                .Select(i => (i, Browser.FindElement(By.Id($"button-meta-{i}"))))
-                .ToList();
-
-            // Validate adding elements
-            Assert.All(metaButtonsById, buttonById =>
-            {
-                var (id, button) = buttonById;
-                button.Click();
-
-                Browser.Exists(By.Id($"Meta {id}"));
-            });
-
-            // Validate removing elements
-            Assert.All(metaButtonsById, buttonById =>
-            {
-                var (id, button) = buttonById;
-                button.Click();
-
-                Browser.DoesNotExist(By.Id($"Meta {id}"));
-            });
-        }
-
-        [Fact]
-        public void Meta_UpdatesSameElementWhenComponentPropertyChanged()
-        {
-            var metaAttributeInput1 = Browser.FindElement(By.Id("meta-attr-input-1"));
-            var metaAttributeInput2 = Browser.FindElement(By.Id("meta-attr-input-2"));
-            var metaElement = FindMetaElement();
-
-            // Validate initial attribute values
-            Browser.Equal("First attribute", () => metaElement.GetAttribute("attr1"));
-            Browser.Equal("Second attribute", () => metaElement.GetAttribute("attr2"));
-
-            // Update the first parameter of the component
-            metaAttributeInput1.Clear();
-            metaAttributeInput1.SendKeys("hello\n");
-            metaElement = FindMetaElement();
-
-            // Validate first attribute updated
-            Browser.Equal("hello", () => metaElement.GetAttribute("attr1"));
-            Browser.Equal("Second attribute", () => metaElement.GetAttribute("attr2"));
-
-            // Update the second parameter of the component
-            metaAttributeInput2.Clear();
-            metaAttributeInput2.SendKeys("world\n");
-            metaElement = FindMetaElement();
-
-            // Validate second attribute updated
-            Browser.Equal("hello", () => metaElement.GetAttribute("attr1"));
-            Browser.Equal("world", () => metaElement.GetAttribute("attr2"));
-
-            IWebElement FindMetaElement() => Browser.FindElements(By.Id("meta-with-bindings")).Single();
-        }
-
-        [Fact]
-        public void Link_AddsAndRemovesElements()
-        {
-            var linkCount = 3;
-            var linkButtonsById = Enumerable.Range(0, linkCount)
-                .Select(i => (i, Browser.FindElement(By.Id($"button-link-{i}"))))
-                .ToList();
-
-            // Validate adding elements
-            Assert.All(linkButtonsById, buttonById =>
-            {
-                var (id, button) = buttonById;
-                button.Click();
-
-                Browser.Exists(By.Id($"Link {id}"));
-            });
-
-            // Validate removing elements
-            Assert.All(linkButtonsById, buttonById =>
-            {
-                var (id, button) = buttonById;
-                button.Click();
-
-                Browser.DoesNotExist(By.Id($"Link {id}"));
-            });
-        }
-
-        [Fact]
-        public void Link_UpdatesSameElementWhenComponentPropertyChanged()
-        {
-            var linkAttributeInput1 = Browser.FindElement(By.Id("link-attr-input-1"));
-            var linkAttributeInput2 = Browser.FindElement(By.Id("link-attr-input-2"));
-            var linkElement = FindLinkElement();
-
-            // Validate initial attribute values
-            Browser.Equal("First attribute", () => linkElement.GetAttribute("attr1"));
-            Browser.Equal("Second attribute", () => linkElement.GetAttribute("attr2"));
-
-            // Update the first parameter of the component
-            linkAttributeInput1.Clear();
-            linkAttributeInput1.SendKeys("hello\n");
-            linkElement = FindLinkElement();
-
-            // Validate first attribute updated
-            Browser.Equal("hello", () => linkElement.GetAttribute("attr1"));
-            Browser.Equal("Second attribute", () => linkElement.GetAttribute("attr2"));
-
-            // Update the second parameter of the component
-            linkAttributeInput2.Clear();
-            linkAttributeInput2.SendKeys("world\n");
-            linkElement = FindLinkElement();
-
-            // Validate second attribute updated
-            Browser.Equal("hello", () => linkElement.GetAttribute("attr1"));
-            Browser.Equal("world", () => linkElement.GetAttribute("attr2"));
-
-            IWebElement FindLinkElement() => Browser.FindElements(By.Id("link-with-bindings")).Single();
-        }
-    }
-}

src/Components/test/testassets/BasicTestApp/BasicTestApp.csproj

@@ -18,7 +18,6 @@
     <Reference Include="System.Net.Http.Json" />
     <Reference Include="Microsoft.AspNetCore.Components.WebAssembly" />
     <Reference Include="Microsoft.AspNetCore.Components.Authorization" />
-    <Reference Include="Microsoft.AspNetCore.Components.Web.Extensions" />
     <Reference Include="Microsoft.AspNetCore.SignalR.Client" />
     <Reference Include="Microsoft.Extensions.Logging.Configuration" />
     <Reference Include="Newtonsoft.Json" />

src/Components/test/testassets/BasicTestApp/Index.razor

@@ -61,7 +61,6 @@
         <option value="BasicTestApp.LoggingComponent">Logging</option>
         <option value="BasicTestApp.LongRunningInterop">Long running interop</option>
         <option value="BasicTestApp.MarkupBlockComponent">Markup blocks</option>
-        <option value="BasicTestApp.ModifyHeadComponent">Modify head</option>
         <option value="BasicTestApp.MouseEventComponent">Mouse events</option>
         <option value="BasicTestApp.MovingCheckboxesComponent">Moving checkboxes diff case</option>
         <option value="BasicTestApp.MultipleChildContent">Multiple child content</option>

src/Components/test/testassets/BasicTestApp/ModifyHeadComponent.razor

@@ -1,119 +0,0 @@
-@using Microsoft.AspNetCore.Components.Web.Extensions.Head
-
-<p>
-    Multiple title elements:<br />
-
-    @for (int i = 0; i < 3; i++)
-    {
-        var titleId = i;
-
-        <button id="button-title-@i" @onclick="() => SetSelectedTitle(titleId)">
-            Title @titleId
-        </button>
-
-        if (selectedTitle == titleId)
-        {
-            <Title Value="@($"Title {titleId}")" />
-        }
-    }
-</p>
-
-<p>
-    Multiple meta elements:<br />
-
-    @for (int i = 0; i < metas.Length; i++)
-    {
-        var metaId = i;
-
-        <button id="button-meta-@i" @onclick="() => Toggle(metas, metaId)">
-            @GetToggleString(metas[metaId]) meta @metaId</button>
-
-        if (metas[metaId])
-        {
-            <Meta id="@($"Meta {metaId}")" />
-        }
-    }
-</p>
-
-<p>
-    Multiple link elements:<br />
-
-    @for (int i = 0; i < links.Length; i++)
-    {
-        var linkId = i;
-
-        <button id="button-link-@i" @onclick="() => Toggle(links, linkId)">
-            @GetToggleString(links[linkId]) link @linkId</button>
-
-        if (links[linkId])
-        {
-            <Link id="@($"Link {linkId}")" />
-        }
-    }
-</p>
-
-<p>
-    Nested title elements:<br />
-
-    <button id="button-title-nested" @onclick="() => SetSelectedTitle(3)">
-        Nested titles
-    </button>
-
-    @if (selectedTitle == 3)
-    {
-        <div>
-            <Title Value="Layer 1" />
-            <div>
-                <Title Value="Layer 2" />
-                <div>
-                    <Title Value="Layer 3" />
-                    <div>
-                        <Title Value="Layer 4" />
-                    </div>
-                </div>
-            </div>
-        </div>
-    }
-</p>
-
-<p>
-    Meta elements w/ bindings:<br />
-    <input id="meta-attr-input-1" @bind="@metaAttribute1" placeholder="Attribute 1" /><br />
-    <input id="meta-attr-input-2" @bind="@metaAttribute2" placeholder="Attribute 2" /><br />
-    <Meta id="meta-with-bindings" attr1="@metaAttribute1" attr2="@metaAttribute2" />
-</p>
-
-<p>
-    Link elements w/ bindings:<br />
-    <input id="link-attr-input-1" @bind="@linkAttribute1" placeholder="Attribute 1" /><br />
-    <input id="link-attr-input-2" @bind="@linkAttribute2" placeholder="Attribute 2" /><br />
-    <Link id="link-with-bindings" attr1="@linkAttribute1" attr2="@linkAttribute2" />
-</p>
-
-@code {
-    private readonly bool[] metas = Enumerable.Repeat(false, 3).ToArray();
-    private readonly bool[] links = Enumerable.Repeat(false, 3).ToArray();
-
-    private int selectedTitle = -1;
-
-    private string metaAttribute1 = "First attribute";
-    private string metaAttribute2 = "Second attribute";
-
-    private string linkAttribute1 = "First attribute";
-    private string linkAttribute2 = "Second attribute";
-
-    private void Toggle(bool[] states, int index)
-    {
-        states[index] = !states[index];
-        StateHasChanged();
-    }
-
-    private void SetSelectedTitle(int title)
-    {
-        selectedTitle = title;
-        StateHasChanged();
-    }
-
-    private string GetToggleString(bool b)
-        => b ? "Disable" : "Enable";
-}

src/Components/test/testassets/BasicTestApp/PrerenderedHeadComponent.razor

@@ -1,45 +0,0 @@
-@page "/prerendered-head"
-
-@using Microsoft.AspNetCore.Components.Web.Extensions.Head
-@using Microsoft.JSInterop
-@inject IJSRuntime JSRuntime
-
-<p>
-    This component demonstrates that head components (i.e. Title, Meta, etc.) can take effect during prerendering
-    and become updatable when the circuit connects.
-</p>
-
-<p>
-    Title:<br />
-    <input id="title-input" @bind="title" placeholder="Set the title" />
-    <Title Value=@title />
-</p>
-
-<p>
-    Meta:<br />
-    <input id="input-meta-binding" @bind="metaContent" placeholder="Set the meta content" />
-    <Meta id="meta-with-bindings" content="@metaContent" />
-</p>
-
-<Meta id="meta-no-bindings" content="Immutable meta content" />
-
-@if (isInteractive)
-{
-    <span id="interactive-indicator">Interactive mode enabled.</span>
-}
-
-@code {
-    private string title = "Initial title";
-    private string metaContent = "Initial meta content";
-
-    private bool isInteractive;
-
-    protected override void OnAfterRender(bool firstRender)
-    {
-        if (firstRender)
-        {
-            isInteractive = true;
-            StateHasChanged();
-        }
-    }
-}

src/Components/test/testassets/BasicTestApp/Program.cs

@@ -4,18 +4,15 @@
 using System;
 using System.Globalization;
 using System.Net.Http;
-using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using System.Web;
 using BasicTestApp.AuthTest;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Authorization;
-using Microsoft.AspNetCore.Components.Web.Extensions;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
-using Microsoft.AspNetCore.Components.WebAssembly.Http;
 using Microsoft.AspNetCore.Components.WebAssembly.Services;
-using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Configuration;
 using Microsoft.JSInterop;