js_vue__laracasts/lesson13/code.js

window.Event = new Vue();

Vue.component('coupon', {
  methods: {
    onCouponApplied() {
      Event.$emit('applied');
    }
  },

  template: `
<input placeholder="Enter your coupon code" @blur="onCouponApplied" />  
`,

});

const app = new Vue({
  el: '#root',
  data: {
    couponApplied: false,
  },

  created() {
    Event.$on('applied', this.onCouponApplied);
  },

  methods: {
    onCouponApplied() {
      this.couponApplied = true;
    }
  }
});