added interfaces and seperate classes (#6)

Author: phanronald

src/Blazor.Extensions.Storage/Interfaces/IStorage.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Blazor.Extensions.Storage.Interfaces
+{
+    public interface IStorage
+    {
+        TItem GetItem<TItem>(string key);
+        string Key(int index);
+        void RemoveItem(string key);
+        void SetItem<TItem>(string key, TItem item);
+        void Clear();
+        int Length { get; }
+    }
+}

src/Blazor.Extensions.Storage/LocalStorage.cs

@@ -0,0 +1,36 @@
+using Blazor.Extensions.Storage.Interfaces;
+using Microsoft.AspNetCore.Blazor;
+using Microsoft.AspNetCore.Blazor.Browser.Interop;
+using System;
+
+namespace Blazor.Extensions.Storage
+{
+    public class LocalStorage : IStorage
+    {
+        public int Length => RegisteredFunction.Invoke<int>(MethodNames.LENGTH_METHOD, StorageTypeNames.LOCAL_STORAGE);
+        public void Clear() => RegisteredFunction.InvokeUnmarshalled<object>(MethodNames.CLEAR_METHOD, StorageTypeNames.LOCAL_STORAGE);
+
+        public TItem GetItem<TItem>(string key)
+        {
+            if (string.IsNullOrWhiteSpace(key)) throw new ArgumentNullException(nameof(key));
+
+            return RegisteredFunction.Invoke<TItem>(MethodNames.GET_ITEM_METHOD, StorageTypeNames.LOCAL_STORAGE, key);
+        }
+
+        public string Key(int index) => RegisteredFunction.Invoke<string>(MethodNames.KEY_METHOD, StorageTypeNames.LOCAL_STORAGE, index);
+
+        public void RemoveItem(string key)
+        {
+            if (string.IsNullOrWhiteSpace(key)) throw new ArgumentNullException(nameof(key));
+
+            RegisteredFunction.InvokeUnmarshalled<object>(MethodNames.REMOVE_ITEM_METHOD, StorageTypeNames.LOCAL_STORAGE, key);
+        }
+
+        public void SetItem<TItem>(string key, TItem item)
+        {
+            if (string.IsNullOrWhiteSpace(key)) throw new ArgumentNullException(nameof(key));
+
+            RegisteredFunction.Invoke<object>(MethodNames.SET_ITEM_METHOD, StorageTypeNames.LOCAL_STORAGE, key, JsonUtil.Serialize(item));
+        }
+    }
+}

src/Blazor.Extensions.Storage/Storage.cs renamed to src/Blazor.Extensions.Storage/SessionStorage.cs

@@ -1,10 +1,11 @@
+using Blazor.Extensions.Storage.Interfaces;
 using Microsoft.AspNetCore.Blazor;
 using Microsoft.AspNetCore.Blazor.Browser.Interop;
 using System;
 
-namespace Blazor.Extensions
+namespace Blazor.Extensions.Storage
 {
-    public class SessionStorage
+    public class SessionStorage : IStorage
     {
         public int Length => RegisteredFunction.Invoke<int>(MethodNames.LENGTH_METHOD, StorageTypeNames.SESSION_STORAGE);
         public void Clear() => RegisteredFunction.InvokeUnmarshalled<object>(MethodNames.CLEAR_METHOD, StorageTypeNames.SESSION_STORAGE);
@@ -32,33 +33,4 @@ public void SetItem<TItem>(string key, TItem item)
             RegisteredFunction.Invoke<object>(MethodNames.SET_ITEM_METHOD, StorageTypeNames.SESSION_STORAGE, key, JsonUtil.Serialize(item));
         }
     }
-
-    public class LocalStorage
-    {
-        public int Length => RegisteredFunction.Invoke<int>(MethodNames.LENGTH_METHOD, StorageTypeNames.LOCAL_STORAGE);
-        public void Clear() => RegisteredFunction.InvokeUnmarshalled<object>(MethodNames.CLEAR_METHOD, StorageTypeNames.LOCAL_STORAGE);
-
-        public TItem GetItem<TItem>(string key)
-        {
-            if (string.IsNullOrWhiteSpace(key)) throw new ArgumentNullException(nameof(key));
-
-            return RegisteredFunction.Invoke<TItem>(MethodNames.GET_ITEM_METHOD, StorageTypeNames.LOCAL_STORAGE, key);
-        }
-
-        public string Key(int index) => RegisteredFunction.Invoke<string>(MethodNames.KEY_METHOD, StorageTypeNames.LOCAL_STORAGE, index);
-
-        public void RemoveItem(string key)
-        {
-            if (string.IsNullOrWhiteSpace(key)) throw new ArgumentNullException(nameof(key));
-
-            RegisteredFunction.InvokeUnmarshalled<object>(MethodNames.REMOVE_ITEM_METHOD, StorageTypeNames.LOCAL_STORAGE, key);
-        }
-
-        public void SetItem<TItem>(string key, TItem item)
-        {
-            if (string.IsNullOrWhiteSpace(key)) throw new ArgumentNullException(nameof(key));
-
-            RegisteredFunction.Invoke<object>(MethodNames.SET_ITEM_METHOD, StorageTypeNames.LOCAL_STORAGE, key, JsonUtil.Serialize(item));
-        }
-    }
 }