Code modularization

src/index.ts

@@ -1 +1,3 @@
-export * from "./storage";
+export * from "./local_storage";
+export * from "./session_storage";
+export * from "./web_storage";

src/local_storage.ts

@@ -0,0 +1,12 @@
+import {Injectable} from "@angular/core";
+import {WebStorage} from "./web_storage";
+
+/** Provides access to the local storage. */
+@Injectable({providedIn: "root"})
+export class LocalStorage extends WebStorage {
+
+	/** Creates a new storage service. */
+	constructor() {
+		super(localStorage);
+	}
+}

src/session_storage.ts

@@ -0,0 +1,12 @@
+import {Injectable} from "@angular/core";
+import {WebStorage} from "./web_storage";
+
+/** Provides access to the session storage. */
+@Injectable({providedIn: "root"})
+export class SessionStorage extends WebStorage {
+
+	/** Creates a new storage service. */
+	constructor() {
+		super(sessionStorage);
+	}
+}