Pushing changes from the other night, before closing visual studio.

.tours/test.tour

@@ -0,0 +1,77 @@
+{
+  "$schema": "https://aka.ms/codetour-schema",
+  "title": "The ILocalStorageService interface",
+  "steps": [
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `ILocalStorageService` type is exposed in the file-scoped `Microsoft.JSInterop` namespace as a convenience.",
+      "line": 4,
+      "selection": {
+        "start": {
+          "line": 4,
+          "character": 1
+        },
+        "end": {
+          "line": 4,
+          "character": 31
+        }
+      }
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `JSAutoGenericInterop` attribute is source-generated by the `Blazor.SourceGenerator` project. When you decorate types with this attribute, it will signal to the source-generator to create Blazor JavaSciprt interop for the given `TypeName` and its corresponding `Implementation`.",
+      "line": 6,
+      "selection": {
+        "start": {
+          "line": 6,
+          "character": 2
+        },
+        "end": {
+          "line": 6,
+          "character": 22
+        }
+      }
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `TypeName` is set to the `\"Storage\"` type, this corresponds directly to the `Storage` interface from the [_lib.dom.d.ts_ at line 14,276](https://github.com/microsoft/TypeScript/blob/main/lib/lib.dom.d.ts#L14276-L14310).",
+      "line": 7
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `GenericMethodDescriptors` property allows the consumer to specify method descriptors that are used to determine which corresponding generated APIs support generics.",
+      "line": 10,
+      "selection": {
+        "start": {
+          "line": 10,
+          "character": 5
+        },
+        "end": {
+          "line": 10,
+          "character": 29
+        }
+      }
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `\"getItem\"` API exists on the `Storage` interface. When it's added as a generic method descriptor, we're telling the source-generator we want the return type to be generic.",
+      "line": 12
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `Implementation` is resolved as the `window.localStorage`. In a browser, open dev tools, and in the **Console** you can type `window.localStorage` to see that this implementation is available.",
+      "line": 8
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `\"setItem:value\"` method descriptor tells the source-generator to look for a method named `setItem` and when source-generating its parameters, the parameter with a name of `value` should be generic.",
+      "line": 13
+    },
+    {
+      "file": "src/Blazor.LocalStorage.WebAssembly/ILocalStorageService.cs",
+      "description": "The `interface` is declared as `partial`. This is required as the source-generator will generate the all of the APIs for this interface.",
+      "line": 15
+    }
+  ],
+  "ref": "main"
+}

src/Blazor.SpeechRecognition.WebAssembly/SpeechRecognitionCallbackRegistry.cs

@@ -38,7 +38,8 @@ internal void InvokeOnRecognized(
         string key, string transcript) =>
         OnInvokeCallback(
             key, _onResultCallbackRegistry,
-            callback => callback?.Invoke(transcript));
+            callback => callback?.Invoke(transcript),
+            remove: false);
 
     internal void InvokeOnError(
         string key, SpeechRecognitionErrorEvent error) =>
@@ -59,18 +60,25 @@ internal void InvokeOnEnded(string key) =>
     static void OnInvokeCallback<T>(
         string key,
         ConcurrentDictionary<Guid, T> callbackRegistry,
-        Action<T?> handleCallback)
+        Action<T?> handleCallback,
+        bool remove = true)
     {
         if (key is null or { Length: 0 } ||
             callbackRegistry is null or { Count: 0 })
         {
             return;
         }
 
-        if (Guid.TryParse(key, out var guid) &&
-            callbackRegistry.TryRemove(guid, out var callback))
+        if (Guid.TryParse(key, out var guid))
         {
-            handleCallback?.Invoke(callback);
+            if (remove && callbackRegistry.TryRemove(guid, out var callback))
+            {
+                handleCallback?.Invoke(callback);
+            }
+            else if (!remove && callbackRegistry.TryGetValue(guid, out callback))
+            {
+                handleCallback?.Invoke(callback);
+            }
         }
     }
 }

src/Blazor.SpeechRecognition/DefaultSpeechRecognitionService.cs

@@ -117,7 +117,8 @@ public void OnSpeechRecongizedAsync(string key, string transcript, bool isFinal)
     static Task OnInvokeCallbackAsync<T>(
         string key,
         ConcurrentDictionary<Guid, T> callbackRegistry,
-        Func<T, Task> handleCallback)
+        Func<T, Task> handleCallback,
+        bool remove = true)
     {
         if (key is null or { Length: 0 })
         {
@@ -130,10 +131,16 @@ static Task OnInvokeCallbackAsync<T>(
         }
 
         if (handleCallback is not null &&
-            Guid.TryParse(key, out var guid) &&
-            callbackRegistry.TryRemove(guid, out var callback))
+            Guid.TryParse(key, out var guid))
         {
-            return handleCallback.Invoke(callback);
+            if (remove && callbackRegistry.TryRemove(guid, out var callback))
+            {
+                handleCallback?.Invoke(callback);
+            }
+            else if (!remove && callbackRegistry.TryGetValue(guid, out callback))
+            {
+                handleCallback?.Invoke(callback);
+            }
         }
 
         return Task.CompletedTask;