pubnub.js

import Vue from 'vue';
import PubNubVue from 'pubnub-vue';
import App from './App';

Vue.use(PubNubVue, {
    subscribeKey: 'YOUR SUBSCRIBE KEY HERE',
    publishKey: 'YOUR PUBLISH KEY HERE'
});

new Vue({
    el: '#app',
    template: '<App/>',
    components: {
        App
    },
    mounted(){
      this.$pnSubscribe({
          channels: ['ch1', 'ch2']
      });
    }
});