lowdb storage service

src/services/lowdbStorage.service.ts

@@ -0,0 +1,39 @@
+import * as lowdb from 'lowdb';
+import * as FileSync from 'lowdb/adapters/FileSync';
+
+import { StorageService } from 'jslib/abstractions/storage.service';
+import { Utils } from 'jslib/misc/utils';
+
+export class LowdbStorageService implements StorageService {
+    private db: lowdb.LowdbSync<any>;
+
+    constructor(appDirName: string) {
+        let path = null;
+        if (process.platform === 'darwin') {
+            path = process.env.HOME + 'Library/Application Support';
+        } else if (process.platform === 'win32') {
+            path = process.env.APPDATA;
+        } else {
+            path = process.env.HOME + '.config';
+        }
+        path += ('/' + appDirName + '/data.json');
+
+        const adapter = new FileSync(path);
+        this.db = lowdb(adapter);
+    }
+
+    get<T>(key: string): Promise<T> {
+        const val = this.db.get(key).value();
+        return Promise.resolve(val as T);
+    }
+
+    save(key: string, obj: any): Promise<any> {
+        this.db.set(key, obj).write();
+        return Promise.resolve();
+    }
+
+    remove(key: string): Promise<any> {
+        this.db.unset(key).write();
+        return Promise.resolve();
+    }
+}

src/services/nodeStorage.service.ts

@@ -1,51 +0,0 @@
-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(appDirName: string) {
-        if (Utils.isNode && localStorage == null) {
-            const LocalStorage = require('node-localstorage').LocalStorage;
-            let path = null;
-            if (process.platform === 'darwin') {
-                path = process.env.HOME + 'Library/Application Support';
-            } else if (process.platform === 'win32') {
-                path = process.env.APPDATA;
-            } else {
-                path = process.env.HOME + '.config';
-            }
-            path += ('/' + appDirName + '/data');
-            localStorage = new LocalStorage(path);
-        }
-    }
-
-    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();
-    }
-}