<script>
// you need npm i vue-property-decorator
import { Component, Prop, Vue } from 'vue-property-decorator'
@Component
export default class HelloWorld extends Vue {
@Prop() readonly msg!: string
@Prop({default: 'John doe'}) readonly name: string
@Prop({required: true}) readonly age: number
@Prop(String) readonly address: string
@Prop({required: false, type: String, default: 'Developer'}) readonly job: string
}
</script>