text: import './hello.html';
  
  Template.hello.onCreated(function helloOnCreated() {
    // counter starts at 0
    this.counter = new ReactiveVar(0);
  });
  
  Template.hello.helpers({
    counter() {
      return Template.instance().counter.get();
    },
  });
  
  Template.hello.events({
    'click button'(event, instance) {
      // increment the counter when button is clicked
      instance.counter.set(instance.counter.get() + 1);
    },
  });
  