materio-d9/web/themes/custom/materiotheme/assets/scripts/main.js

import Vue from 'vue'
import store from 'vuejs/store'
import VUserBlock from 'vuejs/components/User/UserBlock'

// require('theme/assets/styles/main.scss');
import 'theme/assets/styles/main.scss'

(function(Drupal, drupalSettings) {

  var v_user_block = new Vue({
    store,
    render: h => h(VUserBlock)
  }).$mount('#block-userlogin')


  var MaterioTheme = function(){
    // var _is_front = drupalSettings.path.isFront;

    //  ___      _ _
    // |_ _|_ _ (_) |_
    //  | || ' \| |  _|
    // |___|_||_|_|\__|
    function init(){
      console.log("MaterioTheme init()");

    };


    init();
  } // end MaterioTheme()

  // $(document).ready(function($) {
  //   if(drupalSettings.path.isFront){
      var materiotheme = new MaterioTheme();
  //   }else{
  //     $('body').attr('booted', 'booted');
  //   }
  // });

})(Drupal, drupalSettings);