Running Vue.js with TypeScript on ASP.NET Core Application

Hello-updated.ts

// Hello.vue
import axios from 'axios'

export default {
  name: 'hello',
  data () {
    return {
      msg: 'Welcome to Your Vue.js App'
    }
  },
  created () {
    axios.get('/api/hello')
         .then((res) => {
           this.msg = res.data.message
         })
         .catch((ex) => console.log(ex))
  }
}

// Hello.ts
import Vue from "vue";
import Component from "vue-class-component";
import axios from "axios";

@Component({
  name: "Hello",
})
export default class Hello extends Vue {
  msg: string = "Welcome to Your Vue.js App";
  created (): void {
    axios.get("/api/hello")
         .then((res) => {
           this.msg = res.data.message;
         })
         .catch((ex) => console.log(ex));
  }
}