html/memory storage services

src/services/memoryStorage.service.ts

@@ -0,0 +1,26 @@
+import { StorageService } from 'jslib/abstractions/storage.service';
+
+export class MemoryStorageService implements StorageService {
+    private store = new Map<string, any>();
+
+    get<T>(key: string): Promise<T> {
+        if (this.store.has(key)) {
+            const obj = this.store.get(key);
+            return Promise.resolve(obj as T);
+        }
+        return Promise.resolve(null);
+    }
+
+    save(key: string, obj: any): Promise<any> {
+        if (obj == null) {
+            return this.remove(key);
+        }
+        this.store.set(key, obj);
+        return Promise.resolve();
+    }
+
+    remove(key: string): Promise<any> {
+        this.store.delete(key);
+        return Promise.resolve();
+    }
+}