feat: update database method with callbacks

Author: @jotadeveloper

plugins/local-storage/package.json

@@ -25,7 +25,7 @@
   "devDependencies": {
     "@commitlint/cli": "^6.0.2",
     "@commitlint/config-conventional": "^6.0.2",
-    "@verdaccio/types": "^2.0.4",
+    "@verdaccio/types": "2.1.0",
     "babel-cli": "6.26.0",
     "babel-core": "6.26.0",
     "babel-eslint": "8.2.2",

plugins/local-storage/src/___tests___/local-database.test.js

@@ -36,21 +36,40 @@ describe('Local Database', () => {
   });
 
   describe('Database CRUD', () => {
-    test('should add an item to database', () => {
+    test('should add an item to database', done => {
       const pgkName = 'jquery';
-      expect(locaDatabase.get()).toHaveLength(0);
+      locaDatabase.get((err, data) => {
+        expect(err).toBeNull();
+        expect(data).toHaveLength(0);
 
-      locaDatabase.add(pgkName);
-      expect(locaDatabase.get()).toHaveLength(1);
+        locaDatabase.add(pgkName, err => {
+          expect(err).toBeNull();
+          locaDatabase.get((err, data) => {
+            expect(err).toBeNull();
+            expect(data).toHaveLength(1);
+            done();
+          });
+        });
+      });
     });
 
-    test('should remove an item to database', () => {
+    test('should remove an item to database', done => {
       const pgkName = 'jquery';
-      expect(locaDatabase.get()).toHaveLength(0);
-      locaDatabase.add(pgkName);
-      locaDatabase.remove(pgkName);
-
-      expect(locaDatabase.get()).toHaveLength(0);
+      locaDatabase.get((err, data) => {
+        expect(err).toBeNull();
+        expect(data).toHaveLength(0);
+        locaDatabase.add(pgkName, err => {
+          expect(err).toBeNull();
+          locaDatabase.remove(pgkName, err => {
+            expect(err).toBeNull();
+            locaDatabase.get((err, data) => {
+              expect(err).toBeNull();
+              expect(data).toHaveLength(0);
+              done();
+            });
+          });
+        });
+      });
     });
   });
 });

plugins/local-storage/src/local-database.js

@@ -5,7 +5,7 @@ import _ from 'lodash';
 import Path from 'path';
 import LocalFS from './local-fs';
 import mkdirp from 'mkdirp';
-import type { StorageList, LocalStorage, Logger, Config } from '@verdaccio/types';
+import type { StorageList, LocalStorage, Logger, Config, Callback } from '@verdaccio/types';
 import type { IPackageStorage, ILocalData } from '@verdaccio/local-storage';
 
 /**
@@ -45,10 +45,10 @@ class LocalDatabase implements ILocalData {
    * @param {*} name
    * @return {Error|*}
    */
-  add(name: string) {
+  add(name: string, cb: Callback) {
     if (this.data.list.indexOf(name) === -1) {
       this.data.list.push(name);
-      return this._sync();
+      cb(this._sync());
     }
   }
 
@@ -57,21 +57,27 @@ class LocalDatabase implements ILocalData {
    * @param {*} name
    * @return {Error|*}
    */
-  remove(name: string) {
-    const pkgName = this.get().indexOf(name);
-    if (pkgName !== -1) {
-      this.data.list.splice(pkgName, 1);
-    }
+  remove(name: string, cb: Callback) {
+    this.get((err, data) => {
+      if (err) {
+        cb(new Error('error on get'));
+      }
+
+      const pkgName = data.indexOf(name);
+      if (pkgName !== -1) {
+        this.data.list.splice(pkgName, 1);
+      }
 
-    return this._sync();
+      cb(this._sync());
+    });
   }
 
   /**
    * Return all database elements.
    * @return {Array}
    */
-  get() {
-    return this.data.list;
+  get(cb: Callback) {
+    cb(null, this.data.list);
   }
 
   /**
@@ -88,11 +94,12 @@ class LocalDatabase implements ILocalData {
       mkdirp.sync(Path.dirname(this.path));
     } catch (err) {
       // perhaps a logger instance?
-      /* eslint no-empty:off */
+      return null;
     }
 
     try {
       fs.writeFileSync(this.path, JSON.stringify(this.data));
+      return null;
     } catch (err) {
       return err;
     }

plugins/local-storage/yarn.lock

@@ -212,9 +212,9 @@
   version "1.0.0"
   resolved "https://registry.npmjs.org/@verdaccio/streams/-/streams-1.0.0.tgz#d5d24c6747208728b9fd16b908e3932c3fb1f864"
 
-"@verdaccio/types@^2.0.4":
-  version "2.0.4"
-  resolved "https://registry.npmjs.org/@verdaccio/types/-/types-2.0.4.tgz#a81566b00e305f3e25e1f2913299b3e57a303f11"
+"@verdaccio/types@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.npmjs.org/@verdaccio/types/-/types-2.1.0.tgz#1a0b330f96bc63fbc87391c2b5c625fd3be5da84"
 
 JSONStream@^1.0.4:
   version "1.3.2"