Decorators in Vue.js

User.vue

<template>
  <div>
    <!-- User form -->
  </div>
</template>

<script>
  import User from 'src/decorators/UserDecorator'

  export default {
    @User()
    data () {}
  }
</script>

UserDecorator.js

export default rest => {
  return (target, name, descriptor) => {
    descriptor.value = () => {
      return {
        user: {
          username: '',
          password: ''
        },

        ...rest
      }
    }
  }
}