chore: housekeeping (#225)

* chore: bump deps

* chore: avoid to output d.ts on test

* chore: update license year

Author: ktsn

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2017 Evan You
+Copyright (c) 2015-present Evan You
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

build/build.js

@@ -8,7 +8,7 @@ const version = process.env.VERSION || require('../package.json').version
 const banner =
 `/**
   * vue-class-component v${version}
-  * (c) 2015-${new Date().getFullYear()} Evan You
+  * (c) 2015-present Evan You
   * @license MIT
   */`
 

example/App.vue

@@ -28,7 +28,7 @@ import World from './World'
 })
 export default class App extends Vue {
   // props have to be declared for typescript
-  propMessage: string
+  propMessage!: string
 
   // inital data
   msg: number = 123
@@ -53,7 +53,7 @@ export default class App extends Vue {
   }
 
   // dynamic component
-  $refs: {
+  $refs!: {
     helloComponent: Hello
   }
 }