Register Blazor WASM debugger in cohosting (#8511)

Author: dibarbet

CHANGELOG.md

@@ -4,6 +4,7 @@
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
 # 2.89.x
+* Register Blazor WASM debugger in Razor Cohosting (PR: [#8511](https://github.com/dotnet/vscode-csharp/pull/8511))
 * Bump Razor to 10.0.0-preview.25411.5 (PR: [#8512](https://github.com/dotnet/vscode-csharp/pull/8512))
   * Fix VS Code cohosting completion when Razor and C# are valid (PR: [#12096](https://github.com/dotnet/razor/pull/12096))
   * Fix null reference exception in formatting (PR: [#12097](https://github.com/dotnet/razor/pull/12097))

src/lsptoolshost/razor/razorEndpoints.ts

@@ -52,6 +52,7 @@ import { FormattingHandler } from '../../razor/src/formatting/formattingHandler'
 import { ReportIssueCommand } from '../../razor/src/diagnostics/reportIssueCommand';
 import { HtmlDocument } from './htmlDocument';
 import { HtmlForwardedRequest } from './htmlForwardedRequest';
+import { BlazorDebugConfigurationProvider } from '../../razor/src/blazorDebug/blazorDebugConfigurationProvider';
 
 export function registerRazorEndpoints(
     context: vscode.ExtensionContext,
@@ -67,6 +68,8 @@ export function registerRazorEndpoints(
     if (razorOptions.cohostingEnabled) {
         vscode.commands.executeCommand('setContext', 'razor.mode', 'cohosting');
         registerCohostingEndpoints();
+
+        context.subscriptions.push(BlazorDebugConfigurationProvider.register(razorLogger, vscode));
     } else {
         vscode.commands.executeCommand('setContext', 'razor.mode', 'lsp');
         registerNonCohostingEndpoints();

src/razor/src/blazorDebug/blazorDebugConfigurationProvider.ts

@@ -23,6 +23,11 @@ export class BlazorDebugConfigurationProvider implements vscode.DebugConfigurati
 
     constructor(private readonly logger: RazorLogger, private readonly vscodeType: typeof vscode) {}
 
+    public static register(logger: RazorLogger, vscodeType: typeof vscode) {
+        const provider = new BlazorDebugConfigurationProvider(logger, vscodeType);
+        return vscodeType.debug.registerDebugConfigurationProvider('blazorwasm', provider);
+    }
+
     public async resolveDebugConfiguration(
         folder: vscode.WorkspaceFolder | undefined,
         configuration: vscode.DebugConfiguration

src/razor/src/extension.ts

@@ -310,8 +310,7 @@ export async function activate(
             localRegistrations.length = 0;
         });
 
-        const provider = new BlazorDebugConfigurationProvider(logger, vscodeType);
-        context.subscriptions.push(vscodeType.debug.registerDebugConfigurationProvider('blazorwasm', provider));
+        context.subscriptions.push(BlazorDebugConfigurationProvider.register(logger, vscodeType));
 
         languageServerClient.onStarted(async () => {
             await documentManager.initialize();