wizard-scheduling.js

export default Ember.Service.extend({
  // ...

  lastOpenField() {
    ...
  },
  nextOpenField() {
    ...
  },

  scrollToNextOpenField() {
    let lastField = this.lastOpenField()
    let nextField = this.nextOpenField()

    finish($(lastField), 'label').then(() => {
      let offset = $(`#${match}`).offset().top;
      $('html,body').animate({
        scrollTop: offset
      });
    });
  },

  // ...
});