Add support for dismissing notifications

source/INotificationService.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using Microsoft.JSInterop;
+using System.Threading.Tasks;
 
 namespace Append.Blazor.Notifications
 {
@@ -26,15 +27,15 @@ public interface INotificationService
         /// </summary>
         /// <param name="title"></param>
         /// <param name="options"></param>
-        /// <returns></returns>
-        ValueTask CreateAsync(string title, NotificationOptions options);
+        /// <returns>The created <see cref="Notification"/>.</returns>
+        ValueTask<Notification> CreateAsync(string title, NotificationOptions options);
         /// <summary>
         /// Creates a Notifcation with the supplied parameters.
         /// </summary>
         /// <param name="title">The title of the notification.</param>
         /// <param name="description">The body or description of the notification.</param>
         /// <param name="iconUrl">Link to a image, can be remote or served from the filesystem.</param>
-        /// <returns></returns>
-        ValueTask CreateAsync(string title, string description, string iconUrl = null);
+        /// <returns>The created <see cref="Notification"/>.</returns>
+        ValueTask<Notification> CreateAsync(string title, string description, string iconUrl = null);
     }
 }

source/Notification.cs

@@ -1,16 +1,19 @@
-using System;
+using Microsoft.JSInterop;
+using System;
+using System.Threading.Tasks;
 
 namespace Append.Blazor.Notifications
 {
     /// <summary>
     /// A notification is an abstract representation of something that happened, such as the delivery of a message.
     /// </summary>
-    public class Notification
+    public class Notification : IAsyncDisposable
     {
+        public Guid Id { get; set; } = Guid.NewGuid();
+
         /// <summary>
         /// Defines a title for the notification, which will be shown at the top of the notification window when it is fired.
         /// </summary>
-        public Guid Id { get; set; } = Guid.NewGuid();
         public string Title { get; private set; }
 
         /// <summary>
@@ -75,10 +78,14 @@ public class Notification
         /// </summary>
         public int TimeOut { get; private set; } = 5;
 
-        public Notification(string title, NotificationOptions options = null)
+        private readonly IJSObjectReference _jsObject;
+
+        internal Notification(string title, IJSObjectReference jsObject, NotificationOptions options = null)
         {
             if (string.IsNullOrWhiteSpace(title))
                 throw new ArgumentNullException($"{nameof(title)}, cannot be null or empty.");
+            if (jsObject is null)
+                throw new ArgumentNullException(nameof(jsObject));
 
             Title = title;
 
@@ -101,6 +108,22 @@ public Notification(string title, NotificationOptions options = null)
             NoScreen = options.NoScreen;
             Sticky = options.Sticky;
             TimeOut = options.TimeOut ?? TimeOut;
+
+            _jsObject = jsObject;
+        }
+
+        /// <summary>
+        /// Dismiss the notification.
+        /// </summary>
+        /// <returns></returns>
+        public ValueTask Close()
+        {
+            return  _jsObject.InvokeVoidAsync("close");
+        }
+
+        public async ValueTask DisposeAsync()
+        {
+            await _jsObject.DisposeAsync();
         }
     }
 }

source/NotificationService.cs

@@ -37,14 +37,15 @@ public async ValueTask<PermissionType> RequestPermissionAsync()
         }
 
         /// <inheritdoc/>
-        public async ValueTask CreateAsync(string title, NotificationOptions options)
+        public async ValueTask<Notification> CreateAsync(string title, NotificationOptions options)
         {
             var module = await _moduleTask.Value;
-            await module.InvokeVoidAsync("create", title, options);
+            var jsObject = await module.InvokeAsync<IJSObjectReference>("create", title, options);
+            return new Notification(title, jsObject, options);
         }
 
         /// <inheritdoc/>
-        public async ValueTask CreateAsync(string title, string body, string icon = null)
+        public async ValueTask<Notification> CreateAsync(string title, string body, string icon = null)
         {
             var module = await _moduleTask.Value;
 
@@ -54,7 +55,8 @@ public async ValueTask CreateAsync(string title, string body, string icon = null
                 Icon = icon,
             };
 
-            await module.InvokeVoidAsync("create", title, options);
+            var jsObject = await module.InvokeAsync<IJSObjectReference>("create", title, options);
+            return new Notification(title, jsObject, options);
         }
 
         public async ValueTask DisposeAsync()