From 402dc41d338bb39b065329a8b7d9d08dceadc1b5 Mon Sep 17 00:00:00 2001 From: Javier Calvarro Nelson Date: Tue, 25 Aug 2020 18:30:24 +0200 Subject: [PATCH] [Blazor] Render Blazor Webassembly components from MVC (#25203) * Server pieces * Changes for prerendering * Discover client components * tmp * Cleanup * Cleanups * Undo changes * Remove unwanted changes * Move interop class to its own file * Cleanup unwanted changes * Add test rendering multiple client-side components * Unit tests and E2E tests * Cleanups * Addressed feedback * Rename Client to WebAssembly in RenderMode * Update generated js files * Cleaned up JS and addressed feedback * Client->WebAssembly and other feedback * Unify component discovery code and use webassembly instead of 'client' * Update js files * Fix tests --- .../Circuits/ServerComponentDeserializer.cs | 4 +- .../ComponentServiceCollectionExtensions.cs | 2 +- ...rosoft.AspNetCore.Components.Server.csproj | 4 +- .../ServerComponentDeserializerTest.cs | 2 +- .../src}/ComponentParametersTypeCache.cs | 0 .../src/RootComponentTypeCache.cs} | 8 +- .../Web.JS/dist/Release/blazor.server.js | 8 +- .../Web.JS/dist/Release/blazor.webassembly.js | 2 +- src/Components/Web.JS/src/Boot.Server.ts | 5 +- src/Components/Web.JS/src/Boot.WebAssembly.ts | 29 +- src/Components/Web.JS/src/GlobalExports.ts | 1 - .../src/Platform/Circuits/CircuitManager.ts | 223 +---------- .../Platform/WebAssemblyComponentAttacher.ts | 51 +++ .../Services/ComponentDescriptorDiscovery.ts | 354 ++++++++++++++++++ .../Hosting/RegisteredComponentsInterop.cs | 22 ++ .../src/Hosting/RootComponentMapping.cs | 21 +- .../Hosting/RootComponentMappingCollection.cs | 13 +- .../src/Hosting/WebAssemblyHost.cs | 2 +- .../src/Hosting/WebAssemblyHostBuilder.cs | 37 +- ...t.AspNetCore.Components.WebAssembly.csproj | 15 +- .../ClientComponentParameterDeserializer.cs | 88 +++++ .../src/Rendering/WebAssemblyRenderer.cs | 10 +- .../test/TestWebAssemblyJSRuntimeInvoker.cs | 2 + ...soft.AspNetCore.Components.E2ETests.csproj | 2 + .../ClientRenderingMultpleComponentsTest.cs | 95 +++++ .../TestServer/MultipleComponents.cs | 12 + .../Pages/Client/MultipleComponents.cshtml | 29 ++ .../Client/MultipleComponentsLayout.cshtml | 45 +++ .../Mvc.TagHelpers/src/ComponentTagHelper.cs | 4 +- .../src/ClientComponentSerializer.cs | 75 ++++ ...MvcViewFeaturesMvcCoreBuilderExtensions.cs | 3 + ...crosoft.AspNetCore.Mvc.ViewFeatures.csproj | 4 +- .../src/PublicAPI.Unshipped.txt | 2 + .../src/RazorComponents/ComponentRenderer.cs | 35 +- .../StaticComponentRenderer.cs | 10 +- src/Mvc/Mvc.ViewFeatures/src/RenderMode.cs | 13 +- .../RazorComponents/ComponentRendererTest.cs | 252 ++++++++++++- .../Components/WebAssemblyComponentMarker.cs | 43 +++ ...bAssemblyComponentSerializationSettings.cs | 19 + ...CoreApp,Version=v5.0.AssemblyAttributes.cs | 4 + .../net5.0/KitchenSink.AssemblyInfo.cs | 28 ++ .../KitchenSink.AssemblyInfoInputs.cache | 1 + 42 files changed, 1301 insertions(+), 278 deletions(-) rename src/Components/{Server/src/Circuits => Shared/src}/ComponentParametersTypeCache.cs (100%) rename src/Components/{Server/src/Circuits/ServerComponentTypeCache.cs => Shared/src/RootComponentTypeCache.cs} (90%) create mode 100644 src/Components/Web.JS/src/Platform/WebAssemblyComponentAttacher.ts create mode 100644 src/Components/Web.JS/src/Services/ComponentDescriptorDiscovery.ts create mode 100644 src/Components/WebAssembly/WebAssembly/src/Hosting/RegisteredComponentsInterop.cs create mode 100644 src/Components/WebAssembly/WebAssembly/src/Prerendering/ClientComponentParameterDeserializer.cs create mode 100644 src/Components/test/E2ETest/Tests/ClientRenderingMultpleComponentsTest.cs create mode 100644 src/Components/test/testassets/TestServer/Pages/Client/MultipleComponents.cshtml create mode 100644 src/Components/test/testassets/TestServer/Pages/Client/MultipleComponentsLayout.cshtml create mode 100644 src/Mvc/Mvc.ViewFeatures/src/ClientComponentSerializer.cs create mode 100644 src/Shared/Components/WebAssemblyComponentMarker.cs create mode 100644 src/Shared/Components/WebAssemblyComponentSerializationSettings.cs create mode 100644 src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/.NETCoreApp,Version=v5.0.AssemblyAttributes.cs create mode 100644 src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfo.cs create mode 100644 src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfoInputs.cache diff --git a/src/Components/Server/src/Circuits/ServerComponentDeserializer.cs b/src/Components/Server/src/Circuits/ServerComponentDeserializer.cs index a8ff087396..5d0203dbca 100644 --- a/src/Components/Server/src/Circuits/ServerComponentDeserializer.cs +++ b/src/Components/Server/src/Circuits/ServerComponentDeserializer.cs @@ -59,13 +59,13 @@ namespace Microsoft.AspNetCore.Components.Server { private readonly IDataProtector _dataProtector; private readonly ILogger _logger; - private readonly ServerComponentTypeCache _rootComponentTypeCache; + private readonly RootComponentTypeCache _rootComponentTypeCache; private readonly ComponentParameterDeserializer _parametersDeserializer; public ServerComponentDeserializer( IDataProtectionProvider dataProtectionProvider, ILogger logger, - ServerComponentTypeCache rootComponentTypeCache, + RootComponentTypeCache rootComponentTypeCache, ComponentParameterDeserializer parametersDeserializer) { // When we protect the data we use a time-limited data protector with the diff --git a/src/Components/Server/src/DependencyInjection/ComponentServiceCollectionExtensions.cs b/src/Components/Server/src/DependencyInjection/ComponentServiceCollectionExtensions.cs index cd65b7fdc4..d3868d082b 100644 --- a/src/Components/Server/src/DependencyInjection/ComponentServiceCollectionExtensions.cs +++ b/src/Components/Server/src/DependencyInjection/ComponentServiceCollectionExtensions.cs @@ -57,7 +57,7 @@ namespace Microsoft.Extensions.DependencyInjection services.TryAddEnumerable(ServiceDescriptor.Singleton, ConfigureStaticFilesOptions>()); services.TryAddSingleton(); services.TryAddSingleton(); - services.TryAddSingleton(); + services.TryAddSingleton(); services.TryAddSingleton(); services.TryAddSingleton(); services.TryAddSingleton(); diff --git a/src/Components/Server/src/Microsoft.AspNetCore.Components.Server.csproj b/src/Components/Server/src/Microsoft.AspNetCore.Components.Server.csproj index d13c7467af..a2c37793e2 100644 --- a/src/Components/Server/src/Microsoft.AspNetCore.Components.Server.csproj +++ b/src/Components/Server/src/Microsoft.AspNetCore.Components.Server.csproj @@ -1,4 +1,4 @@ - + $(DefaultNetCoreTargetFramework) Runtime server features for ASP.NET Core Components. @@ -54,6 +54,8 @@ + + diff --git a/src/Components/Server/test/Circuits/ServerComponentDeserializerTest.cs b/src/Components/Server/test/Circuits/ServerComponentDeserializerTest.cs index 907fa96192..e1f5dc34a1 100644 --- a/src/Components/Server/test/Circuits/ServerComponentDeserializerTest.cs +++ b/src/Components/Server/test/Circuits/ServerComponentDeserializerTest.cs @@ -320,7 +320,7 @@ namespace Microsoft.AspNetCore.Components.Server.Circuits return new ServerComponentDeserializer( _ephemeralDataProtectionProvider, NullLogger.Instance, - new ServerComponentTypeCache(), + new RootComponentTypeCache(), new ComponentParameterDeserializer(NullLogger.Instance, new ComponentParametersTypeCache())); } diff --git a/src/Components/Server/src/Circuits/ComponentParametersTypeCache.cs b/src/Components/Shared/src/ComponentParametersTypeCache.cs similarity index 100% rename from src/Components/Server/src/Circuits/ComponentParametersTypeCache.cs rename to src/Components/Shared/src/ComponentParametersTypeCache.cs diff --git a/src/Components/Server/src/Circuits/ServerComponentTypeCache.cs b/src/Components/Shared/src/RootComponentTypeCache.cs similarity index 90% rename from src/Components/Server/src/Circuits/ServerComponentTypeCache.cs rename to src/Components/Shared/src/RootComponentTypeCache.cs index 4c694795d6..bbb135063d 100644 --- a/src/Components/Server/src/Circuits/ServerComponentTypeCache.cs +++ b/src/Components/Shared/src/RootComponentTypeCache.cs @@ -9,7 +9,7 @@ using System.Reflection; namespace Microsoft.AspNetCore.Components { // A cache for root component types - internal class ServerComponentTypeCache + internal class RootComponentTypeCache { private readonly ConcurrentDictionary _typeToKeyLookUp = new ConcurrentDictionary(); 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logger.log(LogLevel.Information, 'Starting up blazor server-side application.'); - const components = discoverComponents(document); + const components = discoverComponents(document, 'server') as ServerComponentDescriptor[]; const circuit = new CircuitDescriptor(components); const initialConnection = await initializeConnection(options, logger, circuit); diff --git a/src/Components/Web.JS/src/Boot.WebAssembly.ts b/src/Components/Web.JS/src/Boot.WebAssembly.ts index f2f624286e..05fc2e8ba8 100644 --- a/src/Components/Web.JS/src/Boot.WebAssembly.ts +++ b/src/Components/Web.JS/src/Boot.WebAssembly.ts @@ -2,7 +2,7 @@ import { DotNet } from '@microsoft/dotnet-js-interop'; import './GlobalExports'; import * as Environment from './Environment'; import { monoPlatform } from './Platform/Mono/MonoPlatform'; -import { renderBatch, getRendererer } from './Rendering/Renderer'; +import { renderBatch, getRendererer, attachRootComponentToElement, attachRootComponentToLogicalElement } from './Rendering/Renderer'; import { SharedMemoryRenderBatch } from './Rendering/RenderBatch/SharedMemoryRenderBatch'; import { shouldAutoStart } from './BootCommon'; import { setEventDispatcher } from './Rendering/RendererEventDispatcher'; @@ -11,6 +11,8 @@ import { WebAssemblyConfigLoader } from './Platform/WebAssemblyConfigLoader'; import { BootConfigResult } from './Platform/BootConfig'; import { Pointer } from './Platform/Platform'; import { WebAssemblyStartOptions } from './Platform/WebAssemblyStartOptions'; +import { WebAssemblyComponentAttacher } from './Platform/WebAssemblyComponentAttacher'; +import { discoverComponents, WebAssemblyComponentDescriptor } from './Services/ComponentDescriptorDiscovery'; let started = false; @@ -71,8 +73,31 @@ async function boot(options?: Partial): Promise { const environment = options?.environment; // Fetch the resources and prepare the Mono runtime - const bootConfigResult = await BootConfigResult.initAsync(environment); + const bootConfigPromise = BootConfigResult.initAsync(environment); + // Leverage the time while we are loading boot.config.json from the network to discover any potentially registered component on + // the document. + const discoveredComponents = discoverComponents(document, 'webassembly') as WebAssemblyComponentDescriptor[]; + const componentAttacher = new WebAssemblyComponentAttacher(discoveredComponents); + window['Blazor']._internal.registeredComponents = { + getRegisteredComponentsCount: () => componentAttacher.getCount(), + getId: (index) => componentAttacher.getId(index), + getAssembly: (id) => BINDING.js_string_to_mono_string(componentAttacher.getAssembly(id)), + getTypeName: (id) => BINDING.js_string_to_mono_string(componentAttacher.getTypeName(id)), + getParameterDefinitions: (id) => BINDING.js_string_to_mono_string(componentAttacher.getParameterDefinitions(id) || ''), + getParameterValues: (id) => BINDING.js_string_to_mono_string(componentAttacher.getParameterValues(id) || ''), + }; + + window['Blazor']._internal.attachRootComponentToElement = (selector, componentId, rendererId) => { + const element = componentAttacher.resolveRegisteredElement(selector); + if (!element) { + attachRootComponentToElement(selector, componentId, rendererId); + } else { + attachRootComponentToLogicalElement(rendererId, element, componentId); + } + }; + + const bootConfigResult = await bootConfigPromise; const [resourceLoader] = await Promise.all([ WebAssemblyResourceLoader.initAsync(bootConfigResult.bootConfig, options || {}), WebAssemblyConfigLoader.initAsync(bootConfigResult)]); diff --git a/src/Components/Web.JS/src/GlobalExports.ts b/src/Components/Web.JS/src/GlobalExports.ts index 54015e2f97..d0b9de6699 100644 --- a/src/Components/Web.JS/src/GlobalExports.ts +++ b/src/Components/Web.JS/src/GlobalExports.ts @@ -8,7 +8,6 @@ window['Blazor'] = { navigateTo, _internal: { - attachRootComponentToElement, navigationManager: navigationManagerInternalFunctions, domWrapper: domFunctions, Virtualize, diff --git a/src/Components/Web.JS/src/Platform/Circuits/CircuitManager.ts b/src/Components/Web.JS/src/Platform/Circuits/CircuitManager.ts index 1f4a49495d..2c3650a7a2 100644 --- a/src/Components/Web.JS/src/Platform/Circuits/CircuitManager.ts +++ b/src/Components/Web.JS/src/Platform/Circuits/CircuitManager.ts @@ -1,12 +1,13 @@ import { internalFunctions as navigationManagerFunctions } from '../../Services/NavigationManager'; import { toLogicalRootCommentElement, LogicalElement } from '../../Rendering/LogicalElements'; +import { ServerComponentDescriptor } from '../../Services/ComponentDescriptorDiscovery'; export class CircuitDescriptor { public circuitId?: string; - public components: ComponentDescriptor[]; + public components: ServerComponentDescriptor[]; - public constructor(components: ComponentDescriptor[]) { + public constructor(components: ServerComponentDescriptor[]) { this.circuitId = undefined; this.components = components; } @@ -54,221 +55,3 @@ export class CircuitDescriptor { } } -interface ComponentMarker { - type: string; - sequence: number; - descriptor: string; -} - -export class ComponentDescriptor { - public type: string; - - public start: Node; - - public end?: Node; - - public sequence: number; - - public descriptor: string; - - public constructor(type: string, start: Node, end: Node | undefined, sequence: number, descriptor: string) { - this.type = type; - this.start = start; - this.end = end; - this.sequence = sequence; - this.descriptor = descriptor; - } - - public toRecord(): ComponentMarker { - const result = { type: this.type, sequence: this.sequence, descriptor: this.descriptor }; - return result; - } -} - -export function discoverComponents(document: Document): ComponentDescriptor[] { - const componentComments = resolveComponentComments(document); - const discoveredComponents: ComponentDescriptor[] = []; - for (let i = 0; i < componentComments.length; i++) { - const componentComment = componentComments[i]; - const entry = new ComponentDescriptor( - componentComment.type, - componentComment.start, - componentComment.end, - componentComment.sequence, - componentComment.descriptor, - ); - - discoveredComponents.push(entry); - } - - return discoveredComponents.sort((a, b) => a.sequence - b.sequence); -} - - -interface ComponentComment { - type: 'server'; - sequence: number; - descriptor: string; - start: Node; - end?: Node; - prerenderId?: string; -} - -function resolveComponentComments(node: Node): ComponentComment[] { - if (!node.hasChildNodes()) { - return []; - } - - const result: ComponentComment[] = []; - const childNodeIterator = new ComponentCommentIterator(node.childNodes); - while (childNodeIterator.next() && childNodeIterator.currentElement) { - const componentComment = getComponentComment(childNodeIterator); - if (componentComment) { - result.push(componentComment); - } else { - const childResults = resolveComponentComments(childNodeIterator.currentElement); - for (let j = 0; j < childResults.length; j++) { - const childResult = childResults[j]; - result.push(childResult); - } - } - } - - return result; -} - -const blazorCommentRegularExpression = /\W*Blazor:[^{]*(.*)$/; - -function getComponentComment(commentNodeIterator: ComponentCommentIterator): ComponentComment | undefined { - const candidateStart = commentNodeIterator.currentElement; - - if (!candidateStart || candidateStart.nodeType !== Node.COMMENT_NODE) { - return; - } - if (candidateStart.textContent) { - const componentStartComment = new RegExp(blazorCommentRegularExpression); - const definition = componentStartComment.exec(candidateStart.textContent); - const json = definition && definition[1]; - - if (json) { - try { - return createComponentComment(json, candidateStart, commentNodeIterator); - } catch (error) { - throw new Error(`Found malformed component comment at ${candidateStart.textContent}`); - } - } else { - return; - } - } -} - -function createComponentComment(json: string, start: Node, iterator: ComponentCommentIterator): ComponentComment { - const payload = JSON.parse(json) as ComponentComment; - const { type, sequence, descriptor, prerenderId } = payload; - if (type !== 'server') { - throw new Error(`Invalid component type '${type}'.`); - } - - if (!descriptor) { - throw new Error('descriptor must be defined when using a descriptor.'); - } - - if (sequence === undefined) { - throw new Error('sequence must be defined when using a descriptor.'); - } - - if (!Number.isInteger(sequence)) { - throw new Error(`Error parsing the sequence '${sequence}' for component '${json}'`); - } - - if (!prerenderId) { - return { - type, - sequence: sequence, - descriptor, - start, - }; - } else { - const end = getComponentEndComment(prerenderId, iterator); - if (!end) { - throw new Error(`Could not find an end component comment for '${start}'`); - } - - return { - type, - sequence, - descriptor, - start, - prerenderId, - end, - }; - } -} - -function getComponentEndComment(prerenderedId: string, iterator: ComponentCommentIterator): ChildNode | undefined { - while (iterator.next() && iterator.currentElement) { - const node = iterator.currentElement; - if (node.nodeType !== Node.COMMENT_NODE) { - continue; - } - if (!node.textContent) { - continue; - } - - const definition = new RegExp(blazorCommentRegularExpression).exec(node.textContent); - const json = definition && definition[1]; - if (!json) { - continue; - } - - validateEndComponentPayload(json, prerenderedId); - - return node; - } - - return undefined; -} - -function validateEndComponentPayload(json: string, prerenderedId: string): void { - const payload = JSON.parse(json) as ComponentComment; - if (Object.keys(payload).length !== 1) { - throw new Error(`Invalid end of component comment: '${json}'`); - } - const prerenderedEndId = payload.prerenderId; - if (!prerenderedEndId) { - throw new Error(`End of component comment must have a value for the prerendered property: '${json}'`); - } - if (prerenderedEndId !== prerenderedId) { - throw new Error(`End of component comment prerendered property must match the start comment prerender id: '${prerenderedId}', '${prerenderedEndId}'`); - } -} - -class ComponentCommentIterator { - - private childNodes: NodeListOf; - - private currentIndex: number; - - private length: number; - - public currentElement: ChildNode | undefined; - - public constructor(childNodes: NodeListOf) { - this.childNodes = childNodes; - this.currentIndex = -1; - this.length = childNodes.length; - } - - public next(): boolean { - this.currentIndex++; - if (this.currentIndex < this.length) { - this.currentElement = this.childNodes[this.currentIndex]; - return true; - } else { - this.currentElement = undefined; - return false; - } - } -} - - diff --git a/src/Components/Web.JS/src/Platform/WebAssemblyComponentAttacher.ts b/src/Components/Web.JS/src/Platform/WebAssemblyComponentAttacher.ts new file mode 100644 index 0000000000..8f72216625 --- /dev/null +++ b/src/Components/Web.JS/src/Platform/WebAssemblyComponentAttacher.ts @@ -0,0 +1,51 @@ +import { LogicalElement, toLogicalRootCommentElement } from '../Rendering/LogicalElements'; +import { WebAssemblyComponentDescriptor } from '../Services/ComponentDescriptorDiscovery'; + +export class WebAssemblyComponentAttacher { + public preregisteredComponents: WebAssemblyComponentDescriptor[]; + + private componentsById: { [index: number]: WebAssemblyComponentDescriptor }; + + public constructor(components: WebAssemblyComponentDescriptor[]) { + this.preregisteredComponents = components; + const componentsById = {}; + for (let index = 0; index < components.length; index++) { + const component = components[index]; + componentsById[component.id] = component; + } + this.componentsById = componentsById; + } + + public resolveRegisteredElement(id: string): LogicalElement | undefined { + const parsedId = Number.parseInt(id); + if (!Number.isNaN(parsedId)) { + return toLogicalRootCommentElement(this.componentsById[parsedId].start as Comment, this.componentsById[parsedId].end as Comment); + } else { + return undefined; + } + } + + public getParameterValues(id: number): string | undefined { + return this.componentsById[id].parameterValues; + } + + public getParameterDefinitions(id: number): string | undefined { + return this.componentsById[id].parameterDefinitions; + } + + public getTypeName(id: number): string { + return this.componentsById[id].typeName; + } + + public getAssembly(id: number): string { + return this.componentsById[id].assembly; + } + + public getId(index: number): number { + return this.preregisteredComponents[index].id; + } + + public getCount(): number { + return this.preregisteredComponents.length; + } +} diff --git a/src/Components/Web.JS/src/Services/ComponentDescriptorDiscovery.ts b/src/Components/Web.JS/src/Services/ComponentDescriptorDiscovery.ts new file mode 100644 index 0000000000..002ea52239 --- /dev/null +++ b/src/Components/Web.JS/src/Services/ComponentDescriptorDiscovery.ts @@ -0,0 +1,354 @@ +export function discoverComponents(document: Document, type: 'webassembly' | 'server'): ServerComponentDescriptor[] | WebAssemblyComponentDescriptor[] { + switch (type){ + case 'webassembly': + return discoverWebAssemblyComponents(document); + case 'server': + return discoverServerComponents(document); + } +} + +function discoverServerComponents(document: Document): ServerComponentDescriptor[] { + const componentComments = resolveComponentComments(document, 'server') as ServerComponentComment[]; + const discoveredComponents: ServerComponentDescriptor[] = []; + for (let i = 0; i < componentComments.length; i++) { + const componentComment = componentComments[i]; + const entry = new ServerComponentDescriptor( + componentComment.type, + componentComment.start, + componentComment.end, + componentComment.sequence, + componentComment.descriptor, + ); + + discoveredComponents.push(entry); + } + + return discoveredComponents.sort((a, b): number => a.sequence - b.sequence); +} + +function discoverWebAssemblyComponents(document: Document): WebAssemblyComponentDescriptor[] { + const componentComments = resolveComponentComments(document, 'webassembly') as WebAssemblyComponentDescriptor[]; + const discoveredComponents: WebAssemblyComponentDescriptor[] = []; + for (let i = 0; i < componentComments.length; i++) { + const componentComment = componentComments[i]; + const entry = new WebAssemblyComponentDescriptor( + componentComment.type, + componentComment.start, + componentComment.end, + componentComment.assembly, + componentComment.typeName, + componentComment.parameterDefinitions, + componentComment.parameterValues, + ); + + discoveredComponents.push(entry); + } + + return discoveredComponents.sort((a, b): number => a.id - b.id); +} + +interface ComponentComment { + type: 'server' | 'webassembly'; + prerenderId?: string; +} + +interface ServerComponentComment { + type: 'server'; + sequence: number; + descriptor: string; + start: Node; + end?: Node; + prerenderId?: string; +} + +interface WebAssemblyComponentComment { + type: 'webassembly'; + typeName: string; + assembly: string; + parameterDefinitions?: string; + parameterValues?: string; + prerenderId?: string; + start: Node; + end?: Node; +} + +function resolveComponentComments(node: Node, type: 'webassembly' | 'server'): ComponentComment[] { + if (!node.hasChildNodes()) { + return []; + } + + const result: ComponentComment[] = []; + const childNodeIterator = new ComponentCommentIterator(node.childNodes); + while (childNodeIterator.next() && childNodeIterator.currentElement) { + const componentComment = getComponentComment(childNodeIterator, type); + if (componentComment) { + result.push(componentComment); + } else { + const childResults = resolveComponentComments(childNodeIterator.currentElement, type); + for (let j = 0; j < childResults.length; j++) { + const childResult = childResults[j]; + result.push(childResult); + } + } + } + + return result; +} + +const blazorCommentRegularExpression = /\W*Blazor:[^{]*(?.*)$/; + +function getComponentComment(commentNodeIterator: ComponentCommentIterator, type: 'webassembly' | 'server'): ComponentComment | undefined { + const candidateStart = commentNodeIterator.currentElement; + + if (!candidateStart || candidateStart.nodeType !== Node.COMMENT_NODE) { + return; + } + if (candidateStart.textContent) { + const componentStartComment = new RegExp(blazorCommentRegularExpression); + const definition = componentStartComment.exec(candidateStart.textContent); + const json = definition && definition.groups && definition.groups['descriptor']; + + if (json) { + try { + const componentComment = parseCommentPayload(json); + switch (type) { + case 'webassembly': + return createWebAssemblyComponentComment(componentComment as WebAssemblyComponentComment, candidateStart, commentNodeIterator); + case 'server': + return createServerComponentComment(componentComment as ServerComponentComment, candidateStart, commentNodeIterator); + } + } catch (error) { + throw new Error(`Found malformed component comment at ${candidateStart.textContent}`); + } + } else { + return; + } + } +} + +function parseCommentPayload(json: string): ComponentComment { + const payload = JSON.parse(json) as ComponentComment; + const { type } = payload; + if (type !== 'server' && type !== 'webassembly') { + throw new Error(`Invalid component type '${type}'.`); + } + + return payload; +} + +function createServerComponentComment(payload: ServerComponentComment, start: Node, iterator: ComponentCommentIterator): ServerComponentComment | undefined { + const { type, descriptor, sequence, prerenderId } = payload; + if (type !== 'server') { + return undefined; + } + + if (!descriptor) { + throw new Error('descriptor must be defined when using a descriptor.'); + } + + if (sequence === undefined) { + throw new Error('sequence must be defined when using a descriptor.'); + } + + if (!Number.isInteger(sequence)) { + throw new Error(`Error parsing the sequence '${sequence}' for component '${JSON.stringify(payload)}'`); + } + + if (!prerenderId) { + return { + type, + sequence: sequence, + descriptor, + start, + }; + } else { + const end = getComponentEndComment(prerenderId, iterator); + if (!end) { + throw new Error(`Could not find an end component comment for '${start}'`); + } + + return { + type, + sequence, + descriptor, + start, + prerenderId, + end, + }; + } +} + +function createWebAssemblyComponentComment(payload: WebAssemblyComponentComment, start: Node, iterator: ComponentCommentIterator): WebAssemblyComponentComment | undefined { + const { type, assembly, typeName, parameterDefinitions, parameterValues, prerenderId } = payload; + if (type !== 'webassembly') { + return undefined; + } + + if (!assembly) { + throw new Error('assembly must be defined when using a descriptor.'); + } + + if (!typeName) { + throw new Error('typeName must be defined when using a descriptor.'); + } + + if (!prerenderId) { + return { + type, + assembly, + typeName, + // Parameter definitions and values come Base64 encoded from the server, since they contain random data and can make the + // comment invalid. We could unencode them in .NET Code, but that would be slower to do and we can leverage the fact that + // JS provides a native function that will be much faster and that we are doing this work while we are fetching + // blazor.boot.json + parameterDefinitions: parameterDefinitions && atob(parameterDefinitions), + parameterValues: parameterValues && atob(parameterValues), + start, + }; + } else { + const end = getComponentEndComment(prerenderId, iterator); + if (!end) { + throw new Error(`Could not find an end component comment for '${start}'`); + } + + return { + type, + assembly, + typeName, + // Same comment as above. + parameterDefinitions: parameterDefinitions && atob(parameterDefinitions), + parameterValues: parameterValues && atob(parameterValues), + start, + prerenderId, + end, + }; + } +} + +function getComponentEndComment(prerenderedId: string, iterator: ComponentCommentIterator): ChildNode | undefined { + while (iterator.next() && iterator.currentElement) { + const node = iterator.currentElement; + if (node.nodeType !== Node.COMMENT_NODE) { + continue; + } + if (!node.textContent) { + continue; + } + + const definition = new RegExp(blazorCommentRegularExpression).exec(node.textContent); + const json = definition && definition[1]; + if (!json) { + continue; + } + + validateEndComponentPayload(json, prerenderedId); + + return node; + } + + return undefined; +} + +function validateEndComponentPayload(json: string, prerenderedId: string): void { + const payload = JSON.parse(json) as ComponentComment; + if (Object.keys(payload).length !== 1) { + throw new Error(`Invalid end of component comment: '${json}'`); + } + const prerenderedEndId = payload.prerenderId; + if (!prerenderedEndId) { + throw new Error(`End of component comment must have a value for the prerendered property: '${json}'`); + } + if (prerenderedEndId !== prerenderedId) { + throw new Error(`End of component comment prerendered property must match the start comment prerender id: '${prerenderedId}', '${prerenderedEndId}'`); + } +} + +class ComponentCommentIterator { + + private childNodes: NodeListOf; + + private currentIndex: number; + + private length: number; + + public currentElement: ChildNode | undefined; + + public constructor(childNodes: NodeListOf) { + this.childNodes = childNodes; + this.currentIndex = -1; + this.length = childNodes.length; + } + + public next(): boolean { + this.currentIndex++; + if (this.currentIndex < this.length) { + this.currentElement = this.childNodes[this.currentIndex]; + return true; + } else { + this.currentElement = undefined; + return false; + } + } +} + +interface ServerComponentMarker { + type: string; + sequence: number; + descriptor: string; +} + +export class ServerComponentDescriptor { + public type: string; + + public start: Node; + + public end?: Node; + + public sequence: number; + + public descriptor: string; + + public constructor(type: string, start: Node, end: Node | undefined, sequence: number, descriptor: string) { + this.type = type; + this.start = start; + this.end = end; + this.sequence = sequence; + this.descriptor = descriptor; + } + + public toRecord(): ServerComponentMarker { + const result = { type: this.type, sequence: this.sequence, descriptor: this.descriptor }; + return result; + } +} + +export class WebAssemblyComponentDescriptor { + private static globalId = 1; + + public type: 'webassembly'; + + public typeName: string; + + public assembly: string; + + public parameterDefinitions?: string; + + public parameterValues?: string; + + public id: number; + + public start: Node; + + public end?: Node; + + public constructor(type: 'webassembly', start: Node, end: Node | undefined, assembly: string, typeName: string, parameterDefinitions?: string, parameterValues?: string) { + this.id = WebAssemblyComponentDescriptor.globalId++; + this.type = type; + this.assembly = assembly; + this.typeName = typeName; + this.parameterDefinitions = parameterDefinitions; + this.parameterValues = parameterValues; + this.start = start; + this.end = end; + } +} diff --git a/src/Components/WebAssembly/WebAssembly/src/Hosting/RegisteredComponentsInterop.cs b/src/Components/WebAssembly/WebAssembly/src/Hosting/RegisteredComponentsInterop.cs new file mode 100644 index 0000000000..adb34bdb70 --- /dev/null +++ b/src/Components/WebAssembly/WebAssembly/src/Hosting/RegisteredComponentsInterop.cs @@ -0,0 +1,22 @@ +// 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.WebAssembly.Hosting +{ + internal class RegisteredComponentsInterop + { + private static readonly string Prefix = "Blazor._internal.registeredComponents."; + + public static readonly string GetRegisteredComponentsCount = Prefix + "getRegisteredComponentsCount"; + + public static readonly string GetId = Prefix + "getId"; + + public static readonly string GetAssembly = Prefix + "getAssembly"; + + public static readonly string GetTypeName = Prefix + "getTypeName"; + + public static readonly string GetParameterDefinitions = Prefix + "getParameterDefinitions"; + + public static readonly string GetParameterValues = Prefix + "getParameterValues"; + } +} diff --git a/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMapping.cs b/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMapping.cs index 22429279fd..bf21666dcd 100644 --- a/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMapping.cs +++ b/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMapping.cs @@ -2,6 +2,7 @@ // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. using System; +using System.Collections; using Microsoft.AspNetCore.Components; namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting @@ -16,7 +17,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting /// and . /// /// The component type. Must implement . - /// The DOM element selector. + /// The DOM element selector or component registration id for the component. public RootComponentMapping(Type componentType, string selector) { if (componentType is null) @@ -38,6 +39,19 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting ComponentType = componentType; Selector = selector; + Parameters = ParameterView.Empty; + } + + /// + /// Creates a new instance of with the provided + /// and . + /// + /// The component type. Must implement . + /// The DOM element selector or registration id for the component. + /// The parameters to pass to the component. + public RootComponentMapping(Type componentType, string selector, ParameterView parameters) : this(componentType, selector) + { + Parameters = parameters; } /// @@ -49,5 +63,10 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting /// Gets the DOM element selector. /// public string Selector { get; } + + /// + /// Gets the parameters to pass to the root component. + /// + public ParameterView Parameters { get; } } } diff --git a/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMappingCollection.cs b/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMappingCollection.cs index ab4e1d8223..c4567a9ffa 100644 --- a/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMappingCollection.cs +++ b/src/Components/WebAssembly/WebAssembly/src/Hosting/RootComponentMappingCollection.cs @@ -34,6 +34,17 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting /// The component type. Must implement . /// The DOM element selector. public void Add(Type componentType, string selector) + { + Add(componentType, selector, ParameterView.Empty); + } + + /// + /// Adds a component mapping to the collection. + /// + /// The component type. Must implement . + /// The DOM element selector. + /// The parameters to the root component. + public void Add(Type componentType, string selector, ParameterView parameters) { if (componentType is null) { @@ -45,7 +56,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting throw new ArgumentNullException(nameof(selector)); } - Add(new RootComponentMapping(componentType, selector)); + Add(new RootComponentMapping(componentType, selector, parameters)); } /// diff --git a/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHost.cs b/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHost.cs index c81dd2ac28..c26caaee99 100644 --- a/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHost.cs +++ b/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHost.cs @@ -138,7 +138,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting for (var i = 0; i < rootComponents.Length; i++) { var rootComponent = rootComponents[i]; - await _renderer.AddComponentAsync(rootComponent.ComponentType, rootComponent.Selector); + await _renderer.AddComponentAsync(rootComponent.ComponentType, rootComponent.Selector, rootComponent.Parameters); } await tcs.Task; diff --git a/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHostBuilder.cs b/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHostBuilder.cs index a65e4117cd..9e6215c70a 100644 --- a/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHostBuilder.cs +++ b/src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHostBuilder.cs @@ -21,6 +21,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting public sealed class WebAssemblyHostBuilder { private Func _createServiceProvider; + private RootComponentTypeCache _rootComponentCache; /// /// Creates an instance of using the most common @@ -57,6 +58,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting // Retrieve required attributes from JSRuntimeInvoker InitializeNavigationManager(jsRuntimeInvoker); + InitializeRegisteredRootComponents(jsRuntimeInvoker); InitializeDefaultServices(); var hostEnvironment = InitializeEnvironment(jsRuntimeInvoker); @@ -68,6 +70,38 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting }; } + private void InitializeRegisteredRootComponents(WebAssemblyJSRuntimeInvoker jsRuntimeInvoker) + { + var componentsCount = jsRuntimeInvoker.InvokeUnmarshalled(RegisteredComponentsInterop.GetRegisteredComponentsCount, null, null, null); + if (componentsCount == 0) + { + return; + } + + var registeredComponents = new WebAssemblyComponentMarker[componentsCount]; + for (var i = 0; i < componentsCount; i++) + { + var id = jsRuntimeInvoker.InvokeUnmarshalled(RegisteredComponentsInterop.GetId, i, null, null); + var assembly = jsRuntimeInvoker.InvokeUnmarshalled(RegisteredComponentsInterop.GetAssembly, id, null, null); + var typeName = jsRuntimeInvoker.InvokeUnmarshalled(RegisteredComponentsInterop.GetTypeName, id, null, null); + var serializedParameterDefinitions = jsRuntimeInvoker.InvokeUnmarshalled(RegisteredComponentsInterop.GetParameterDefinitions, id, null, null); + var serializedParameterValues = jsRuntimeInvoker.InvokeUnmarshalled(RegisteredComponentsInterop.GetParameterValues, id, null, null); + registeredComponents[i] = new WebAssemblyComponentMarker(WebAssemblyComponentMarker.ClientMarkerType, assembly, typeName, serializedParameterDefinitions, serializedParameterValues, id.ToString()); + } + + var componentDeserializer = WebAssemblyComponentParameterDeserializer.Instance; + foreach (var registeredComponent in registeredComponents) + { + _rootComponentCache = new RootComponentTypeCache(); + var componentType = _rootComponentCache.GetRootComponent(registeredComponent.Assembly, registeredComponent.TypeName); + var definitions = componentDeserializer.GetParameterDefinitions(registeredComponent.ParameterDefinitions); + var values = componentDeserializer.GetParameterValues(registeredComponent.ParameterValues); + var parameters = componentDeserializer.DeserializeParameters(definitions, values); + + RootComponents.Add(componentType, registeredComponent.PrerenderId, parameters); + } + } + private void InitializeNavigationManager(WebAssemblyJSRuntimeInvoker jsRuntimeInvoker) { var baseUri = jsRuntimeInvoker.InvokeUnmarshalled(BrowserNavigationManagerInterop.GetBaseUri, null, null, null); @@ -190,7 +224,8 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting Services.AddSingleton(WebAssemblyNavigationManager.Instance); Services.AddSingleton(WebAssemblyNavigationInterception.Instance); Services.AddSingleton(new LazyAssemblyLoader(DefaultWebAssemblyJSRuntime.Instance)); - Services.AddLogging(builder => { + Services.AddLogging(builder => + { builder.AddProvider(new WebAssemblyConsoleLoggerProvider(DefaultWebAssemblyJSRuntime.Instance)); }); } diff --git a/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj b/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj index 4dde2eaae6..906e03fe82 100644 --- a/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj +++ b/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj @@ -1,4 +1,4 @@ - + $(DefaultNetCoreTargetFramework) @@ -15,13 +15,7 @@ - + @@ -31,6 +25,11 @@ + + + + + diff --git a/src/Components/WebAssembly/WebAssembly/src/Prerendering/ClientComponentParameterDeserializer.cs b/src/Components/WebAssembly/WebAssembly/src/Prerendering/ClientComponentParameterDeserializer.cs new file mode 100644 index 0000000000..855c79e101 --- /dev/null +++ b/src/Components/WebAssembly/WebAssembly/src/Prerendering/ClientComponentParameterDeserializer.cs @@ -0,0 +1,88 @@ +// Copyright (c) .NET Foundation. All rights reserved. +// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. + +using System; +using System.Collections.Generic; +using System.Text; +using System.Text.Json; +using Microsoft.Extensions.Logging; +using Microsoft.Extensions.Logging.Abstractions; + +namespace Microsoft.AspNetCore.Components +{ + internal class WebAssemblyComponentParameterDeserializer + { + private readonly ComponentParametersTypeCache _parametersCache; + + public WebAssemblyComponentParameterDeserializer( + ComponentParametersTypeCache parametersCache) + { + _parametersCache = parametersCache; + } + + public static WebAssemblyComponentParameterDeserializer Instance { get; } = new WebAssemblyComponentParameterDeserializer(new ComponentParametersTypeCache()); + + public ParameterView DeserializeParameters(IList parametersDefinitions, IList parameterValues) + { + var parametersDictionary = new Dictionary(StringComparer.OrdinalIgnoreCase); + + if (parameterValues.Count != parametersDefinitions.Count) + { + // Mismatched number of definition/parameter values. + throw new InvalidOperationException($"The number of parameter definitions '{parametersDefinitions.Count}' does not match the number parameter values '{parameterValues.Count}'."); + } + + for (var i = 0; i < parametersDefinitions.Count; i++) + { + var definition = parametersDefinitions[i]; + if (definition.Name == null) + { + throw new InvalidOperationException("The name is missing in a parameter definition."); + } + + if (definition.TypeName == null && definition.Assembly == null) + { + parametersDictionary[definition.Name] = null; + } + else if (definition.TypeName == null || definition.Assembly == null) + { + throw new InvalidOperationException($"The parameter definition for '{definition.Name}' is incomplete: Type='{definition.TypeName}' Assembly='{definition.Assembly}'."); + } + else + { + var parameterType = _parametersCache.GetParameterType(definition.Assembly, definition.TypeName); + if (parameterType == null) + { + throw new InvalidOperationException($"The parameter '{definition.Name} with type '{definition.TypeName}' in assembly '{definition.Assembly}' could not be found."); + } + try + { + var value = (JsonElement)parameterValues[i]; + var parameterValue = JsonSerializer.Deserialize( + value.GetRawText(), + parameterType, + WebAssemblyComponentSerializationSettings.JsonSerializationOptions); + + parametersDictionary[definition.Name] = parameterValue; + } + catch (Exception e) + { + throw new InvalidOperationException("Could not parse the parameter value for parameter '{definition.Name}' of type '{definition.TypeName}' and assembly '{definition.Assembly}'.", e); + } + } + } + + return ParameterView.FromDictionary(parametersDictionary); + } + + public ComponentParameter[] GetParameterDefinitions(string parametersDefinitions) + { + return JsonSerializer.Deserialize(parametersDefinitions, WebAssemblyComponentSerializationSettings.JsonSerializationOptions); + } + + public IList GetParameterValues(string parameterValues) + { + return JsonSerializer.Deserialize>(parameterValues, WebAssemblyComponentSerializationSettings.JsonSerializationOptions); + } + } +} diff --git a/src/Components/WebAssembly/WebAssembly/src/Rendering/WebAssemblyRenderer.cs b/src/Components/WebAssembly/WebAssembly/src/Rendering/WebAssemblyRenderer.cs index 1988647457..ca033e1107 100644 --- a/src/Components/WebAssembly/WebAssembly/src/Rendering/WebAssemblyRenderer.cs +++ b/src/Components/WebAssembly/WebAssembly/src/Rendering/WebAssemblyRenderer.cs @@ -47,13 +47,14 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Rendering /// /// The type of the component. /// A CSS selector that uniquely identifies a DOM element. + /// The parameters for the component. /// A that represents the asynchronous rendering of the added component. /// /// Callers of this method may choose to ignore the returned if they do not /// want to await the rendering of the added component. /// - public Task AddComponentAsync(string domElementSelector) where TComponent : IComponent - => AddComponentAsync(typeof(TComponent), domElementSelector); + public Task AddComponentAsync(string domElementSelector, ParameterView parameters) where TComponent : IComponent + => AddComponentAsync(typeof(TComponent), domElementSelector, parameters); /// /// Associates the with the , @@ -61,12 +62,13 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Rendering /// /// The type of the component. /// A CSS selector that uniquely identifies a DOM element. + /// The list of root component parameters. /// A that represents the asynchronous rendering of the added component. /// /// Callers of this method may choose to ignore the returned if they do not /// want to await the rendering of the added component. /// - public Task AddComponentAsync(Type componentType, string domElementSelector) + public Task AddComponentAsync(Type componentType, string domElementSelector, ParameterView parameters) { var component = InstantiateComponent(componentType); var componentId = AssignRootComponentId(component); @@ -83,7 +85,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Rendering componentId, _webAssemblyRendererId); - return RenderRootComponentAsync(componentId); + return RenderRootComponentAsync(componentId, parameters); } /// diff --git a/src/Components/WebAssembly/WebAssembly/test/TestWebAssemblyJSRuntimeInvoker.cs b/src/Components/WebAssembly/WebAssembly/test/TestWebAssemblyJSRuntimeInvoker.cs index e1b5f9f616..54c198ffcd 100644 --- a/src/Components/WebAssembly/WebAssembly/test/TestWebAssemblyJSRuntimeInvoker.cs +++ b/src/Components/WebAssembly/WebAssembly/test/TestWebAssemblyJSRuntimeInvoker.cs @@ -29,6 +29,8 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting case "Blazor._internal.navigationManager.getUnmarshalledLocationHref": var testHref = "https://www.example.com/awesome-part-that-will-be-truncated-in-tests/cool"; return (TResult)(object)testHref; + case "Blazor._internal.registeredComponents.getRegisteredComponentsCount": + return (TResult)(object)0; default: throw new NotImplementedException($"{nameof(TestWebAssemblyJSRuntimeInvoker)} has no implementation for '{identifier}'."); } diff --git a/src/Components/test/E2ETest/Microsoft.AspNetCore.Components.E2ETests.csproj b/src/Components/test/E2ETest/Microsoft.AspNetCore.Components.E2ETests.csproj index 256ea831e1..963f9d9f55 100644 --- a/src/Components/test/E2ETest/Microsoft.AspNetCore.Components.E2ETests.csproj +++ b/src/Components/test/E2ETest/Microsoft.AspNetCore.Components.E2ETests.csproj @@ -56,6 +56,8 @@ + + diff --git a/src/Components/test/E2ETest/Tests/ClientRenderingMultpleComponentsTest.cs b/src/Components/test/E2ETest/Tests/ClientRenderingMultpleComponentsTest.cs new file mode 100644 index 0000000000..7e4df2898e --- /dev/null +++ b/src/Components/test/E2ETest/Tests/ClientRenderingMultpleComponentsTest.cs @@ -0,0 +1,95 @@ +// 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.Linq; +using System.Text.Json; +using System.Text.RegularExpressions; +using System.Threading.Tasks; +using Microsoft.AspNetCore.Components.E2ETest.Infrastructure; +using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures; +using Microsoft.AspNetCore.E2ETesting; +using OpenQA.Selenium; +using TestServer; +using Xunit; +using Xunit.Abstractions; + +namespace Microsoft.AspNetCore.Components.E2ETests.Tests +{ + public class ClientRenderingMultpleComponentsTest : ServerTestBase> + { + private const string MarkerPattern = ".*?.*?"; + + public ClientRenderingMultpleComponentsTest( + BrowserFixture browserFixture, + BasicTestAppServerSiteFixture serverFixture, + ITestOutputHelper output) + : base(browserFixture, serverFixture, output) + { + } + + public DateTime LastLogTimeStamp { get; set; } = DateTime.MinValue; + + public override async Task InitializeAsync() + { + await base.InitializeAsync(); + + // Capture the last log timestamp so that we can filter logs when we + // check for duplicate connections. + var lastLog = Browser.Manage().Logs.GetLog(LogType.Browser).LastOrDefault(); + if (lastLog != null) + { + LastLogTimeStamp = lastLog.Timestamp; + } + } + + [Fact] + public void CanRenderMultipleRootComponents() + { + Navigate("/Client/multiple-components"); + + var greets = Browser.FindElements(By.CssSelector(".greet-wrapper .greet")).Select(e => e.Text).ToArray(); + + Assert.Equal(7, greets.Length); // 1 statically rendered + 5 prerendered + 1 server prerendered + Assert.DoesNotContain("Hello Red fish", greets); + Assert.Single(greets, "Hello John"); + Assert.Single(greets, "Hello Abraham"); + Assert.Equal(2, greets.Where(g => g == "Hello Blue fish").Count()); + Assert.Equal(3, greets.Where(g => string.Equals("Hello", g)).Count()); // 3 server prerendered without parameters + var content = Browser.FindElement(By.Id("test-container")).GetAttribute("innerHTML"); + var markers = ReadMarkers(content); + var componentSequence = markers.Select(m => m.Item1.PrerenderId != null).ToArray(); + Assert.Equal(13, componentSequence.Length); + + // Once the app starts, output changes + BeginInteractivity(); + + Browser.Exists(By.CssSelector("h3.interactive")); + var updatedGreets = Browser.FindElements(By.CssSelector(".greet-wrapper .greet")).Select(e => e.Text).ToArray(); + Assert.Equal(7, updatedGreets.Where(g => string.Equals("Hello Alfred", g)).Count()); + Assert.Equal(2, updatedGreets.Where(g => g == "Hello Red fish").Count()); + Assert.Equal(2, updatedGreets.Where(g => g == "Hello Blue fish").Count()); + Assert.Single(updatedGreets.Where(g => string.Equals("Hello Albert", g))); + Assert.Single(updatedGreets.Where(g => string.Equals("Hello Abraham", g))); + } + + private (WebAssemblyComponentMarker, WebAssemblyComponentMarker)[] ReadMarkers(string content) + { + content = content.Replace("\r\n", ""); + var matches = Regex.Matches(content, MarkerPattern); + var markers = matches.Select(s => JsonSerializer.Deserialize( + s.Groups[1].Value, + WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + + var prerenderMarkers = markers.Where(m => m.PrerenderId != null).GroupBy(p => p.PrerenderId).Select(g => (g.First(), g.Skip(1).First())).ToArray(); + var nonPrerenderMarkers = markers.Where(m => m.PrerenderId == null).Select(g => (g, (WebAssemblyComponentMarker)default)).ToArray(); + + return prerenderMarkers.Concat(nonPrerenderMarkers).ToArray(); + } + + private void BeginInteractivity() + { + Browser.FindElement(By.Id("load-boot-script")).Click(); + } + } +} diff --git a/src/Components/test/testassets/TestServer/MultipleComponents.cs b/src/Components/test/testassets/TestServer/MultipleComponents.cs index b48de346df..3a3bf468a6 100644 --- a/src/Components/test/testassets/TestServer/MultipleComponents.cs +++ b/src/Components/test/testassets/TestServer/MultipleComponents.cs @@ -32,6 +32,18 @@ namespace TestServer app.UseDeveloperExceptionPage(); } + app.Map("/Client/multiple-components", app => + { + app.UseBlazorFrameworkFiles(); + app.UseStaticFiles(); + app.UseRouting(); + app.UseEndpoints(endpoints => + { + endpoints.MapRazorPages(); + endpoints.MapFallbackToPage("/Client/MultipleComponents"); + }); + }); + app.Map("/multiple-components", app => { app.UseStaticFiles(); diff --git a/src/Components/test/testassets/TestServer/Pages/Client/MultipleComponents.cshtml b/src/Components/test/testassets/TestServer/Pages/Client/MultipleComponents.cshtml new file mode 100644 index 0000000000..0f7078e0e6 --- /dev/null +++ b/src/Components/test/testassets/TestServer/Pages/Client/MultipleComponents.cshtml @@ -0,0 +1,29 @@ +@page "/multiple-components" +@using BasicTestApp.MultipleComponents; + +@{ + Layout = "./MultipleComponentsLayout.cshtml"; +} + + +@(await Html.RenderComponentAsync(RenderMode.WebAssemblyPrerendered)) +@(await Html.RenderComponentAsync(RenderMode.WebAssembly)) + + +
+

Some content before

+ +

Some content between

+ +

Some content after

+
+

Some content before

+ + +

Some content after

+
+
+
+ + +
diff --git a/src/Components/test/testassets/TestServer/Pages/Client/MultipleComponentsLayout.cshtml b/src/Components/test/testassets/TestServer/Pages/Client/MultipleComponentsLayout.cshtml new file mode 100644 index 0000000000..e46aae2983 --- /dev/null +++ b/src/Components/test/testassets/TestServer/Pages/Client/MultipleComponentsLayout.cshtml @@ -0,0 +1,45 @@ +@using BasicTestApp.MultipleComponents; + + + + + Multiple component entry points + @* We need to make sure base is set to "/" so that the libraries load correctly *@ + + @* This page is used to validate the ability to render multiple root components in a blazor webassembly application. + *@ + + +
+ + + @RenderBody() + + +
+ + @* + So that E2E tests can make assertions about both the prerendered and + interactive states, we only load the .js file when told to. + *@ +
+ + + + + + + + + diff --git a/src/Mvc/Mvc.TagHelpers/src/ComponentTagHelper.cs b/src/Mvc/Mvc.TagHelpers/src/ComponentTagHelper.cs index 4bac5c8fc7..0f7a565c25 100644 --- a/src/Mvc/Mvc.TagHelpers/src/ComponentTagHelper.cs +++ b/src/Mvc/Mvc.TagHelpers/src/ComponentTagHelper.cs @@ -1,4 +1,4 @@ -// Copyright (c) .NET Foundation. All rights reserved. +// 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; @@ -66,6 +66,8 @@ namespace Microsoft.AspNetCore.Mvc.TagHelpers case RenderMode.Server: case RenderMode.ServerPrerendered: case RenderMode.Static: + case RenderMode.WebAssembly: + case RenderMode.WebAssemblyPrerendered: _renderMode = value; break; diff --git a/src/Mvc/Mvc.ViewFeatures/src/ClientComponentSerializer.cs b/src/Mvc/Mvc.ViewFeatures/src/ClientComponentSerializer.cs new file mode 100644 index 0000000000..5f8bf44062 --- /dev/null +++ b/src/Mvc/Mvc.ViewFeatures/src/ClientComponentSerializer.cs @@ -0,0 +1,75 @@ +// 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 Microsoft.AspNetCore.Components; + +namespace Microsoft.AspNetCore.Mvc.ViewFeatures +{ + // See the details of the component serialization protocol in WebAssemblyComponentDeserializer.cs on the Components solution. + internal class WebAssemblyComponentSerializer + { + public WebAssemblyComponentMarker SerializeInvocation(Type type, ParameterView parameters, bool prerendered) + { + var assembly = type.Assembly.GetName().Name; + var typeFullName = type.FullName; + var (definitions, values) = ComponentParameter.FromParameterView(parameters); + + // We need to serialize and Base64 encode parameters separately since they can contain arbitrary data that might + // cause the HTML comment to be invalid (like if you serialize a string that contains two consecutive dashes "--"). + var serializedDefinitions = Convert.ToBase64String(JsonSerializer.SerializeToUtf8Bytes(definitions, WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + var serializedValues = Convert.ToBase64String(JsonSerializer.SerializeToUtf8Bytes(values, WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + + return prerendered ? WebAssemblyComponentMarker.Prerendered(assembly, typeFullName, serializedDefinitions, serializedValues) : + WebAssemblyComponentMarker.NonPrerendered(assembly, typeFullName, serializedDefinitions, serializedValues); + } + + internal IEnumerable GetPreamble(WebAssemblyComponentMarker record) + { + var serializedStartRecord = JsonSerializer.Serialize( + record, + WebAssemblyComponentSerializationSettings.JsonSerializationOptions); + + if (record.PrerenderId != null) + { + return PrerenderedStart(serializedStartRecord); + } + else + { + return NonPrerenderedSequence(serializedStartRecord); + } + + static IEnumerable PrerenderedStart(string startRecord) + { + yield return ""; + } + + static IEnumerable NonPrerenderedSequence(string record) + { + yield return ""; + } + } + + internal IEnumerable GetEpilogue(WebAssemblyComponentMarker record) + { + var serializedStartRecord = JsonSerializer.Serialize( + record.GetEndRecord(), + WebAssemblyComponentSerializationSettings.JsonSerializationOptions); + + return PrerenderEnd(serializedStartRecord); + + static IEnumerable PrerenderEnd(string endRecord) + { + yield return ""; + } + } + } +} diff --git a/src/Mvc/Mvc.ViewFeatures/src/DependencyInjection/MvcViewFeaturesMvcCoreBuilderExtensions.cs b/src/Mvc/Mvc.ViewFeatures/src/DependencyInjection/MvcViewFeaturesMvcCoreBuilderExtensions.cs index 84ffe50ce1..933145e614 100644 --- a/src/Mvc/Mvc.ViewFeatures/src/DependencyInjection/MvcViewFeaturesMvcCoreBuilderExtensions.cs +++ b/src/Mvc/Mvc.ViewFeatures/src/DependencyInjection/MvcViewFeaturesMvcCoreBuilderExtensions.cs @@ -177,6 +177,9 @@ namespace Microsoft.Extensions.DependencyInjection // Component services for Blazor server-side interop services.TryAddSingleton(); + // Component services for Blazor webassembly interop + services.TryAddSingleton(); + // // View Components // diff --git a/src/Mvc/Mvc.ViewFeatures/src/Microsoft.AspNetCore.Mvc.ViewFeatures.csproj b/src/Mvc/Mvc.ViewFeatures/src/Microsoft.AspNetCore.Mvc.ViewFeatures.csproj index 56f7a39218..0a93600bcf 100644 --- a/src/Mvc/Mvc.ViewFeatures/src/Microsoft.AspNetCore.Mvc.ViewFeatures.csproj +++ b/src/Mvc/Mvc.ViewFeatures/src/Microsoft.AspNetCore.Mvc.ViewFeatures.csproj @@ -1,4 +1,4 @@ - + @@ -31,7 +31,9 @@ + + diff --git a/src/Mvc/Mvc.ViewFeatures/src/PublicAPI.Unshipped.txt b/src/Mvc/Mvc.ViewFeatures/src/PublicAPI.Unshipped.txt index 4b6567f9ce..e371b29c8d 100644 --- a/src/Mvc/Mvc.ViewFeatures/src/PublicAPI.Unshipped.txt +++ b/src/Mvc/Mvc.ViewFeatures/src/PublicAPI.Unshipped.txt @@ -77,6 +77,8 @@ Microsoft.AspNetCore.Mvc.Rendering.RenderMode Microsoft.AspNetCore.Mvc.Rendering.RenderMode.Server = 2 -> Microsoft.AspNetCore.Mvc.Rendering.RenderMode Microsoft.AspNetCore.Mvc.Rendering.RenderMode.ServerPrerendered = 3 -> Microsoft.AspNetCore.Mvc.Rendering.RenderMode Microsoft.AspNetCore.Mvc.Rendering.RenderMode.Static = 1 -> Microsoft.AspNetCore.Mvc.Rendering.RenderMode +Microsoft.AspNetCore.Mvc.Rendering.RenderMode.WebAssembly = 4 -> Microsoft.AspNetCore.Mvc.Rendering.RenderMode +Microsoft.AspNetCore.Mvc.Rendering.RenderMode.WebAssemblyPrerendered = 5 -> Microsoft.AspNetCore.Mvc.Rendering.RenderMode Microsoft.AspNetCore.Mvc.Rendering.SelectList Microsoft.AspNetCore.Mvc.Rendering.SelectListGroup Microsoft.AspNetCore.Mvc.Rendering.SelectListGroup.Disabled.get -> bool diff --git a/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/ComponentRenderer.cs b/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/ComponentRenderer.cs index 44a618fb04..0ba79b5927 100644 --- a/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/ComponentRenderer.cs +++ b/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/ComponentRenderer.cs @@ -1,4 +1,4 @@ -// Copyright (c) .NET Foundation. All rights reserved. +// 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; @@ -15,13 +15,16 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures private static readonly object ComponentSequenceKey = new object(); private readonly StaticComponentRenderer _staticComponentRenderer; private readonly ServerComponentSerializer _serverComponentSerializer; + private readonly WebAssemblyComponentSerializer _WebAssemblyComponentSerializer; public ComponentRenderer( StaticComponentRenderer staticComponentRenderer, - ServerComponentSerializer serverComponentSerializer) + ServerComponentSerializer serverComponentSerializer, + WebAssemblyComponentSerializer WebAssemblyComponentSerializer) { _staticComponentRenderer = staticComponentRenderer; _serverComponentSerializer = serverComponentSerializer; + _WebAssemblyComponentSerializer = WebAssemblyComponentSerializer; } public async Task RenderComponentAsync( @@ -55,6 +58,8 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures RenderMode.Server => NonPrerenderedServerComponent(context, GetOrCreateInvocationId(viewContext), componentType, parameterView), RenderMode.ServerPrerendered => await PrerenderedServerComponentAsync(context, GetOrCreateInvocationId(viewContext), componentType, parameterView), RenderMode.Static => await StaticComponentAsync(context, componentType, parameterView), + RenderMode.WebAssembly => NonPrerenderedWebAssemblyComponent(context, componentType, parameterView), + RenderMode.WebAssemblyPrerendered => await PrerenderedWebAssemblyComponentAsync(context, componentType, parameterView), _ => throw new ArgumentException(Resources.FormatUnsupportedRenderMode(renderMode), nameof(renderMode)), }; } @@ -99,12 +104,36 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures _serverComponentSerializer.GetEpilogue(currentInvocation)); } + private async Task PrerenderedWebAssemblyComponentAsync(HttpContext context, Type type, ParameterView parametersCollection) + { + var currentInvocation = _WebAssemblyComponentSerializer.SerializeInvocation( + type, + parametersCollection, + prerendered: true); + + var result = await _staticComponentRenderer.PrerenderComponentAsync( + parametersCollection, + context, + type); + + return new ComponentHtmlContent( + _WebAssemblyComponentSerializer.GetPreamble(currentInvocation), + result, + _WebAssemblyComponentSerializer.GetEpilogue(currentInvocation)); + } + private IHtmlContent NonPrerenderedServerComponent(HttpContext context, ServerComponentInvocationSequence invocationId, Type type, ParameterView parametersCollection) { - var serviceProvider = context.RequestServices; var currentInvocation = _serverComponentSerializer.SerializeInvocation(invocationId, type, parametersCollection, prerendered: false); return new ComponentHtmlContent(_serverComponentSerializer.GetPreamble(currentInvocation)); } + + private IHtmlContent NonPrerenderedWebAssemblyComponent(HttpContext context, Type type, ParameterView parametersCollection) + { + var currentInvocation = _WebAssemblyComponentSerializer.SerializeInvocation(type, parametersCollection, prerendered: false); + + return new ComponentHtmlContent(_WebAssemblyComponentSerializer.GetPreamble(currentInvocation)); + } } } diff --git a/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/StaticComponentRenderer.cs b/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/StaticComponentRenderer.cs index 411e6014a8..7a8a8dd62d 100644 --- a/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/StaticComponentRenderer.cs +++ b/src/Mvc/Mvc.ViewFeatures/src/RazorComponents/StaticComponentRenderer.cs @@ -1,4 +1,4 @@ -// Copyright (c) .NET Foundation. All rights reserved. +// 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; @@ -32,7 +32,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures Type componentType) { InitializeStandardComponentServices(httpContext); - var loggerFactory = (ILoggerFactory)httpContext.RequestServices.GetService(typeof (ILoggerFactory)); + var loggerFactory = (ILoggerFactory)httpContext.RequestServices.GetService(typeof(ILoggerFactory)); using (var htmlRenderer = new HtmlRenderer(httpContext.RequestServices, loggerFactory, _encoder.Encode)) { ComponentRenderedText result = default; @@ -71,15 +71,15 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures { _initialized = true; + var navigationManager = (IHostEnvironmentNavigationManager)httpContext.RequestServices.GetRequiredService(); + navigationManager?.Initialize(GetContextBaseUri(httpContext.Request), GetFullUri(httpContext.Request)); + var authenticationStateProvider = httpContext.RequestServices.GetService() as IHostEnvironmentAuthenticationStateProvider; if (authenticationStateProvider != null) { var authenticationState = new AuthenticationState(httpContext.User); authenticationStateProvider.SetAuthenticationState(Task.FromResult(authenticationState)); } - - var navigationManager = (IHostEnvironmentNavigationManager)httpContext.RequestServices.GetRequiredService(); - navigationManager?.Initialize(GetContextBaseUri(httpContext.Request), GetFullUri(httpContext.Request)); } } diff --git a/src/Mvc/Mvc.ViewFeatures/src/RenderMode.cs b/src/Mvc/Mvc.ViewFeatures/src/RenderMode.cs index f6816e68ff..d0422753cb 100644 --- a/src/Mvc/Mvc.ViewFeatures/src/RenderMode.cs +++ b/src/Mvc/Mvc.ViewFeatures/src/RenderMode.cs @@ -1,4 +1,4 @@ -// Copyright (c) .NET Foundation. All rights reserved. +// 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.Mvc.Rendering @@ -30,5 +30,16 @@ namespace Microsoft.AspNetCore.Mvc.Rendering /// ServerPrerendered = 3, + /// + /// Renders a marker for a Blazor webassembly application. This doesn't include any output from the component. + /// When the user-agent starts, it uses this marker to bootstrap a blazor client-side application. + /// + WebAssembly = 4, + + /// + /// Renders the component into static HTML and includes a marker for a Blazor webassembly application. + /// When the user-agent starts, it uses this marker to bootstrap a blazor client-side application. + /// + WebAssemblyPrerendered = 5, } } diff --git a/src/Mvc/Mvc.ViewFeatures/test/RazorComponents/ComponentRendererTest.cs b/src/Mvc/Mvc.ViewFeatures/test/RazorComponents/ComponentRendererTest.cs index f9e403ca2f..e20a4203b9 100644 --- a/src/Mvc/Mvc.ViewFeatures/test/RazorComponents/ComponentRendererTest.cs +++ b/src/Mvc/Mvc.ViewFeatures/test/RazorComponents/ComponentRendererTest.cs @@ -3,6 +3,7 @@ using System; using System.IO; +using System.Text; using System.Text.Encodings.Web; using System.Text.Json; using System.Text.RegularExpressions; @@ -26,13 +27,239 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures { public class ComponentRendererTest { - private const string PrerenderedServerComponentPattern = "^(?.+?)$"; - private const string ServerComponentPattern = "^$"; + private const string PrerenderedComponentPattern = "^(?.+?)$"; + private const string ComponentPattern = "^$"; private static readonly IDataProtectionProvider _dataprotectorProvider = new EphemeralDataProtectionProvider(); private readonly ComponentRenderer renderer = GetComponentRenderer(); + [Fact] + public async Task CanRender_ParameterlessComponent_ClientMode() + { + // Arrange + var viewContext = GetViewContext(); + var writer = new StringWriter(); + + // Act + var result = await renderer.RenderComponentAsync(viewContext, typeof(TestComponent), RenderMode.WebAssembly, null); + result.WriteTo(writer, HtmlEncoder.Default); + var content = writer.ToString(); + var match = Regex.Match(content, ComponentPattern); + + // Assert + Assert.True(match.Success); + var marker = JsonSerializer.Deserialize(match.Groups[1].Value, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.Null(marker.PrerenderId); + Assert.Equal("webassembly", marker.Type); + Assert.Equal(typeof(TestComponent).Assembly.GetName().Name, marker.Assembly); + Assert.Equal(typeof(TestComponent).FullName, marker.TypeName); + } + + [Fact] + public async Task CanPrerender_ParameterlessComponent_ClientMode() + { + // Arrange + var viewContext = GetViewContext(); + var writer = new StringWriter(); + + // Act + var result = await renderer.RenderComponentAsync(viewContext, typeof(TestComponent), RenderMode.WebAssemblyPrerendered, null); + result.WriteTo(writer, HtmlEncoder.Default); + var content = writer.ToString(); + var match = Regex.Match(content, PrerenderedComponentPattern, RegexOptions.Multiline); + + // Assert + Assert.True(match.Success); + var preamble = match.Groups["preamble"].Value; + var preambleMarker = JsonSerializer.Deserialize(preamble, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.NotNull(preambleMarker.PrerenderId); + Assert.Equal("webassembly", preambleMarker.Type); + Assert.Equal(typeof(TestComponent).Assembly.GetName().Name, preambleMarker.Assembly); + Assert.Equal(typeof(TestComponent).FullName, preambleMarker.TypeName); + + var prerenderedContent = match.Groups["content"].Value; + Assert.Equal("

Hello world!

", prerenderedContent); + + var epilogue = match.Groups["epilogue"].Value; + var epilogueMarker = JsonSerializer.Deserialize(epilogue, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.Equal(preambleMarker.PrerenderId, epilogueMarker.PrerenderId); + Assert.Null(epilogueMarker.Assembly); + Assert.Null(epilogueMarker.TypeName); + Assert.Null(epilogueMarker.Type); + Assert.Null(epilogueMarker.ParameterDefinitions); + Assert.Null(epilogueMarker.ParameterValues); + } + + [Fact] + public async Task CanRender_ComponentWithParameters_ClientMode() + { + // Arrange + var viewContext = GetViewContext(); + var writer = new StringWriter(); + + // Act + var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), + RenderMode.WebAssembly, + new + { + Name = "Daniel" + }); + result.WriteTo(writer, HtmlEncoder.Default); + var content = writer.ToString(); + var match = Regex.Match(content, ComponentPattern); + + // Assert + Assert.True(match.Success); + var marker = JsonSerializer.Deserialize(match.Groups[1].Value, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.Null(marker.PrerenderId); + Assert.Equal("webassembly", marker.Type); + Assert.Equal(typeof(GreetingComponent).Assembly.GetName().Name, marker.Assembly); + Assert.Equal(typeof(GreetingComponent).FullName, marker.TypeName); + + var parameterDefinition = Assert.Single( + JsonSerializer.Deserialize(Convert.FromBase64String(marker.ParameterDefinitions), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + Assert.Equal("Name", parameterDefinition.Name); + Assert.Equal("System.String", parameterDefinition.TypeName); + Assert.Equal("System.Private.CoreLib", parameterDefinition.Assembly); + + var value = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(marker.ParameterValues), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + var rawValue = Assert.IsType(value); + Assert.Equal("Daniel", rawValue.GetString()); + } + + [Fact] + public async Task CanRender_ComponentWithNullParameters_ClientMode() + { + // Arrange + var viewContext = GetViewContext(); + var writer = new StringWriter(); + + // Act + var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), + RenderMode.WebAssembly, + new + { + Name = (string)null + }); + result.WriteTo(writer, HtmlEncoder.Default); + var content = writer.ToString(); + var match = Regex.Match(content, ComponentPattern); + + // Assert + Assert.True(match.Success); + var marker = JsonSerializer.Deserialize(match.Groups[1].Value, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.Null(marker.PrerenderId); + Assert.Equal("webassembly", marker.Type); + Assert.Equal(typeof(GreetingComponent).Assembly.GetName().Name, marker.Assembly); + Assert.Equal(typeof(GreetingComponent).FullName, marker.TypeName); + + var parameterDefinition = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(marker.ParameterDefinitions), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + Assert.Equal("Name", parameterDefinition.Name); + Assert.Null(parameterDefinition.TypeName); + Assert.Null(parameterDefinition.Assembly); + + var value = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(marker.ParameterValues), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + Assert.Null(value); + } + + [Fact] + public async Task CanPrerender_ComponentWithParameters_ClientMode() + { + // Arrange + var viewContext = GetViewContext(); + var writer = new StringWriter(); + + // Act + var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), + RenderMode.WebAssemblyPrerendered, + new + { + Name = "Daniel" + }); + result.WriteTo(writer, HtmlEncoder.Default); + var content = writer.ToString(); + var match = Regex.Match(content, PrerenderedComponentPattern, RegexOptions.Multiline); + + // Assert + Assert.True(match.Success); + var preamble = match.Groups["preamble"].Value; + var preambleMarker = JsonSerializer.Deserialize(preamble, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.NotNull(preambleMarker.PrerenderId); + Assert.Equal("webassembly", preambleMarker.Type); + Assert.Equal(typeof(GreetingComponent).Assembly.GetName().Name, preambleMarker.Assembly); + Assert.Equal(typeof(GreetingComponent).FullName, preambleMarker.TypeName); + + var parameterDefinition = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(preambleMarker.ParameterDefinitions), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + Assert.Equal("Name", parameterDefinition.Name); + Assert.Equal("System.String", parameterDefinition.TypeName); + Assert.Equal("System.Private.CoreLib", parameterDefinition.Assembly); + + var value = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(preambleMarker.ParameterValues), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + var rawValue = Assert.IsType(value); + Assert.Equal("Daniel", rawValue.GetString()); + + var prerenderedContent = match.Groups["content"].Value; + Assert.Equal("

Hello Daniel!

", prerenderedContent); + + var epilogue = match.Groups["epilogue"].Value; + var epilogueMarker = JsonSerializer.Deserialize(epilogue, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.Equal(preambleMarker.PrerenderId, epilogueMarker.PrerenderId); + Assert.Null(epilogueMarker.Assembly); + Assert.Null(epilogueMarker.TypeName); + Assert.Null(epilogueMarker.Type); + Assert.Null(epilogueMarker.ParameterDefinitions); + Assert.Null(epilogueMarker.ParameterValues); + } + + [Fact] + public async Task CanPrerender_ComponentWithNullParameters_ClientMode() + { + // Arrange + var viewContext = GetViewContext(); + var writer = new StringWriter(); + + // Act + var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), + RenderMode.WebAssemblyPrerendered, + new + { + Name = (string)null + }); + result.WriteTo(writer, HtmlEncoder.Default); + var content = writer.ToString(); + var match = Regex.Match(content, PrerenderedComponentPattern, RegexOptions.Multiline); + + // Assert + Assert.True(match.Success); + var preamble = match.Groups["preamble"].Value; + var preambleMarker = JsonSerializer.Deserialize(preamble, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.NotNull(preambleMarker.PrerenderId); + Assert.Equal("webassembly", preambleMarker.Type); + Assert.Equal(typeof(GreetingComponent).Assembly.GetName().Name, preambleMarker.Assembly); + Assert.Equal(typeof(GreetingComponent).FullName, preambleMarker.TypeName); + + var parameterDefinition = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(preambleMarker.ParameterDefinitions), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + Assert.Equal("Name", parameterDefinition.Name); + Assert.Null(parameterDefinition.TypeName); + Assert.Null(parameterDefinition.Assembly); + + var value = Assert.Single(JsonSerializer.Deserialize(Convert.FromBase64String(preambleMarker.ParameterValues), WebAssemblyComponentSerializationSettings.JsonSerializationOptions)); + Assert.Null(value); + + var prerenderedContent = match.Groups["content"].Value; + Assert.Equal("

Hello (null)!

", prerenderedContent); + + var epilogue = match.Groups["epilogue"].Value; + var epilogueMarker = JsonSerializer.Deserialize(epilogue, ServerComponentSerializationSettings.JsonSerializationOptions); + Assert.Equal(preambleMarker.PrerenderId, epilogueMarker.PrerenderId); + Assert.Null(epilogueMarker.Assembly); + Assert.Null(epilogueMarker.TypeName); + Assert.Null(epilogueMarker.Type); + Assert.Null(epilogueMarker.ParameterDefinitions); + Assert.Null(epilogueMarker.ParameterValues); + } + [Fact] public async Task CanRender_ParameterlessComponent() { @@ -60,7 +287,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures // Act var result = await renderer.RenderComponentAsync(viewContext, typeof(TestComponent), RenderMode.Server, null); var content = HtmlContentUtilities.HtmlContentToString(result); - var match = Regex.Match(content, ServerComponentPattern); + var match = Regex.Match(content, ComponentPattern); // Assert Assert.True(match.Success); @@ -89,7 +316,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures // Act var result = await renderer.RenderComponentAsync(viewContext, typeof(TestComponent), RenderMode.ServerPrerendered, null); var content = HtmlContentUtilities.HtmlContentToString(result); - var match = Regex.Match(content, PrerenderedServerComponentPattern, RegexOptions.Multiline); + var match = Regex.Match(content, PrerenderedComponentPattern, RegexOptions.Multiline); // Assert Assert.True(match.Success); @@ -130,11 +357,11 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures // Act var firstResult = await renderer.RenderComponentAsync(viewContext, typeof(TestComponent), RenderMode.ServerPrerendered, null); var firstComponent = HtmlContentUtilities.HtmlContentToString(firstResult); - var firstMatch = Regex.Match(firstComponent, PrerenderedServerComponentPattern, RegexOptions.Multiline); + var firstMatch = Regex.Match(firstComponent, PrerenderedComponentPattern, RegexOptions.Multiline); var secondResult = await renderer.RenderComponentAsync(viewContext, typeof(TestComponent), RenderMode.Server, null); var secondComponent = HtmlContentUtilities.HtmlContentToString(secondResult); - var secondMatch = Regex.Match(secondComponent, ServerComponentPattern); + var secondMatch = Regex.Match(secondComponent, ComponentPattern); // Assert Assert.True(firstMatch.Success); @@ -186,7 +413,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures // Act var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), RenderMode.Server, new { Name = "Daniel" }); var content = HtmlContentUtilities.HtmlContentToString(result); - var match = Regex.Match(content, ServerComponentPattern); + var match = Regex.Match(content, ComponentPattern); // Assert Assert.True(match.Success); @@ -225,7 +452,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), RenderMode.Server, new { Name = (string)null }); var content = HtmlContentUtilities.HtmlContentToString(result); - var match = Regex.Match(content, ServerComponentPattern); + var match = Regex.Match(content, ComponentPattern); // Assert Assert.True(match.Success); @@ -264,7 +491,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures // Act var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), RenderMode.ServerPrerendered, new { Name = "Daniel" }); var content = HtmlContentUtilities.HtmlContentToString(result); - var match = Regex.Match(content, PrerenderedServerComponentPattern, RegexOptions.Multiline); + var match = Regex.Match(content, PrerenderedComponentPattern, RegexOptions.Multiline); // Assert Assert.True(match.Success); @@ -315,7 +542,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures // Act var result = await renderer.RenderComponentAsync(viewContext, typeof(GreetingComponent), RenderMode.ServerPrerendered, new { Name = (string)null }); var content = HtmlContentUtilities.HtmlContentToString(result); - var match = Regex.Match(content, PrerenderedServerComponentPattern, RegexOptions.Multiline); + var match = Regex.Match(content, PrerenderedComponentPattern, RegexOptions.Multiline); // Assert Assert.True(match.Success); @@ -554,7 +781,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures "; // Act - var result = await renderer.RenderComponentAsync(viewContext,typeof(AsyncComponent), RenderMode.Static, null); + var result = await renderer.RenderComponentAsync(viewContext, typeof(AsyncComponent), RenderMode.Static, null); var content = HtmlContentUtilities.HtmlContentToString(result); // Assert @@ -564,7 +791,8 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures private static ComponentRenderer GetComponentRenderer() => new ComponentRenderer( new StaticComponentRenderer(HtmlEncoder.Default), - new ServerComponentSerializer(_dataprotectorProvider)); + new ServerComponentSerializer(_dataprotectorProvider), + new WebAssemblyComponentSerializer()); private static ViewContext GetViewContext(HttpContext context = null, Action configureServices = null) { diff --git a/src/Shared/Components/WebAssemblyComponentMarker.cs b/src/Shared/Components/WebAssemblyComponentMarker.cs new file mode 100644 index 0000000000..bd8fab295a --- /dev/null +++ b/src/Shared/Components/WebAssemblyComponentMarker.cs @@ -0,0 +1,43 @@ +// 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; + +namespace Microsoft.AspNetCore.Components +{ + internal struct WebAssemblyComponentMarker + { + public const string ClientMarkerType = "webassembly"; + + public WebAssemblyComponentMarker(string type, string assembly, string typeName, string parameterDefinitions, string parameterValues, string prereenderId) => + (Type, Assembly, TypeName, ParameterDefinitions, ParameterValues, PrerenderId) = (type, assembly, typeName, parameterDefinitions, parameterValues, prereenderId); + + public string Type { get; set; } + + public string Assembly { get; set; } + + public string TypeName { get; set; } + + public string ParameterDefinitions { get; set; } + + public string ParameterValues { get; set; } + + public string PrerenderId { get; set; } + + internal static WebAssemblyComponentMarker NonPrerendered(string assembly, string typeName, string parameterDefinitions, string parameterValues) => + new WebAssemblyComponentMarker(ClientMarkerType, assembly, typeName, parameterDefinitions, parameterValues, null); + + internal static WebAssemblyComponentMarker Prerendered(string assembly, string typeName, string parameterDefinitions, string parameterValues) => + new WebAssemblyComponentMarker(ClientMarkerType, assembly, typeName, parameterDefinitions, parameterValues, Guid.NewGuid().ToString("N")); + + public WebAssemblyComponentMarker GetEndRecord() + { + if (PrerenderId == null) + { + throw new InvalidOperationException("Can't get an end record for non-prerendered components."); + } + + return new WebAssemblyComponentMarker(null, null, null, null, null, PrerenderId); + } + } +} diff --git a/src/Shared/Components/WebAssemblyComponentSerializationSettings.cs b/src/Shared/Components/WebAssemblyComponentSerializationSettings.cs new file mode 100644 index 0000000000..741ab989d5 --- /dev/null +++ b/src/Shared/Components/WebAssemblyComponentSerializationSettings.cs @@ -0,0 +1,19 @@ +// 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.Text.Json; + +namespace Microsoft.AspNetCore.Components +{ + internal static class WebAssemblyComponentSerializationSettings + { + public static readonly JsonSerializerOptions JsonSerializationOptions = + new JsonSerializerOptions + { + PropertyNamingPolicy = JsonNamingPolicy.CamelCase, + PropertyNameCaseInsensitive = true, + IgnoreNullValues = true + }; + } +} diff --git a/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/.NETCoreApp,Version=v5.0.AssemblyAttributes.cs b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/.NETCoreApp,Version=v5.0.AssemblyAttributes.cs new file mode 100644 index 0000000000..2f7e5ec5af --- /dev/null +++ b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/.NETCoreApp,Version=v5.0.AssemblyAttributes.cs @@ -0,0 +1,4 @@ +// +using System; +using System.Reflection; +[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v5.0", FrameworkDisplayName = "")] diff --git a/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfo.cs b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfo.cs new file mode 100644 index 0000000000..1172632a87 --- /dev/null +++ b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfo.cs @@ -0,0 +1,28 @@ +//------------------------------------------------------------------------------ +// +// This code was generated by a tool. +// Runtime Version:4.0.30319.42000 +// +// Changes to this file may cause incorrect behavior and will be lost if +// the code is regenerated. +// +//------------------------------------------------------------------------------ + +using System; +using System.Reflection; + +[assembly: System.Reflection.AssemblyMetadataAttribute("SourceCommitUrl", "https://github.com/dotnet/aspnetcore/tree/")] +[assembly: System.Reflection.AssemblyMetadataAttribute("Serviceable", "True")] +[assembly: System.Reflection.AssemblyCompanyAttribute("Microsoft Corporation")] +[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")] +[assembly: System.Reflection.AssemblyCopyrightAttribute("© Microsoft Corporation. All rights reserved.")] +[assembly: System.Reflection.AssemblyFileVersionAttribute("42.42.42.42424")] +[assembly: System.Reflection.AssemblyInformationalVersionAttribute("5.0.0-dev")] +[assembly: System.Reflection.AssemblyProductAttribute("Microsoft ASP.NET Core")] +[assembly: System.Reflection.AssemblyTitleAttribute("KitchenSink")] +[assembly: System.Reflection.AssemblyVersionAttribute("5.0.0.0")] +[assembly: System.Reflection.AssemblyMetadataAttribute("RepositoryUrl", "https://github.com/dotnet/aspnetcore")] +[assembly: System.Resources.NeutralResourcesLanguageAttribute("en-US")] + +// Generated by the MSBuild WriteCodeFragment class. + diff --git a/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfoInputs.cache b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfoInputs.cache new file mode 100644 index 0000000000..9042200dfc --- /dev/null +++ b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.net/objDebug/net5.0/KitchenSink.AssemblyInfoInputs.cache @@ -0,0 +1 @@ +5426b0432f23f134c800ff0d43b24a23681aac3d