setup storage service and log in

src/services/nodeStorage.service.ts

@@ -1,15 +1,42 @@
 import { StorageService } from 'jslib/abstractions/storage.service';
+import { Utils } from 'jslib/misc/utils';
+
+let localStorage = Utils.isBrowser ? window.localStorage : null;
 
 export class NodeStorageService implements StorageService {
+    constructor(dirLocation: string) {
+        if (Utils.isNode && localStorage == null) {
+            const LocalStorage = require('node-localstorage').LocalStorage;
+            localStorage = new LocalStorage(dirLocation);
+        }
+    }
+
     get<T>(key: string): Promise<T> {
+        const val = localStorage.getItem(key);
+        if (val != null) {
+            try {
+                const obj = JSON.parse(val);
+                if (obj != null && obj[key] != null) {
+                    return Promise.resolve(obj[key] as T);
+                }
+            } catch{ }
+        }
         return Promise.resolve(null);
     }
 
     save(key: string, obj: any): Promise<any> {
+        let val: string = null;
+        if (obj != null) {
+            const o: any = {};
+            o[key] = obj;
+            val = JSON.stringify(o);
+        }
+        localStorage.setItem(key, val);
         return Promise.resolve();
     }
 
     remove(key: string): Promise<any> {
+        localStorage.removeItem(key);
         return Promise.resolve();
     }
 }