fix: upgrade how dependency works

.travis.yml

@@ -1,3 +1,5 @@
 language: node_js
 node_js:
   - '8'
+  - '9'
+  - '10'

index.js

@@ -1,47 +1,42 @@
-'use strict'
-
+// Packages
 const { join } = require('path')
 const { homedir } = require('os')
 const storage = require('node-persist')
 const { encrypt, decrypt } = require('caesar-encrypt')
 
 class SaveLocal {
-  constructor(store) {
+  constructor(store = 'storage') {
     const s = `.${store}`
 
-    storage.initSync({
+    storage.init({
       dir: join(homedir(), s)
     })
   }
 
-  get(item) {
-    return storage.getItem(item).then(res => {
-      if (res) {
-        return decrypt(res, 20)
-      }
+  async get(item) {
+    const hasItem = await storage.getItem(item)
 
-      return false
-    })
+    return hasItem && hasItem
   }
 
-  set({ name, value }) {
-    return storage.setItem(name, encrypt(value, 20))
+  set(item) {
+    const value = encrypt(item.value, 20)
+
+    return storage.setItem(item.name, value)
   }
 
   remove(name) {
     return storage.removeItem(name)
   }
 
-  list() {
-    return new Promise(resolve => {
-      const packages = storage.keys()
-      const list = []
-      packages.forEach(async name => {
-        const value = await this.get(name)
-        list.push({ name, value })
-        resolve(list)
-      })
+  async list() {
+    const list = []
+    await storage.forEach(item => {
+      const value = decrypt(item.value, 20)
+      return list.push({ name: item.key, value })
     })
+
+    return list
   }
 }
 

package.json

@@ -7,7 +7,8 @@
   "author": "Bu Kinoshita <bukinoshita@gmail.com>",
   "license": "MIT",
   "scripts": {
-    "test": "xo --quiet"
+    "test": "ava",
+    "lint": "xo --quiet"
   },
   "keywords": [
     "save",
@@ -21,6 +22,7 @@
     "node-persist": "^3.0.0"
   },
   "devDependencies": {
+    "ava": "^2.0.0",
     "eslint-config-prettier": "4.3.0",
     "xo": "0.24.0"
   },