code clean

src/wechaty.ts

@@ -54,8 +54,7 @@ export class Wechaty extends EventEmitter implements Sayable {
   public puppet: Puppet | null
 
   private state = new StateMonitor<'standby', 'ready'>('Wechaty', 'standby')
-  private npmVersion: string
-
+  private npmVersion: string = require('../package.json').version
   public uuid:        string
 
   public static instance(setting?: PuppetSetting) {
@@ -84,8 +83,6 @@ export class Wechaty extends EventEmitter implements Sayable {
                         : setting.profile + '.wechaty.json'
     }
 
-    this.npmVersion = require('../package.json').version
-
     this.uuid = UtilLib.guid()
   }
 

test/wechaty.spec.ts

@@ -8,18 +8,18 @@
 import { test } from 'ava'
 
 import {
-    Config
-  , Contact
-  , FriendRequest
-  , IoClient
-  , Message
-  , Puppet
-  , PuppetWeb
-  , Room
-  , Wechaty
+  Config,
+  Contact,
+  FriendRequest,
+  IoClient,
+  Message,
+  Puppet,
+  PuppetWeb,
+  Room,
+  Wechaty,
 
-  , log
-  , VERSION
+  log,
+  VERSION,
 }               from '../'
 
 test('Wechaty Framework', t => {