Infinite scroll with viewmodel in meteor

infinitescroll.js

Template.myTemplate.viewmodel({
  page: new ReactiveVar(0),
  scrollListener: _.debounce(function () {
  var self = this;
  var diff = $(document).height() - $(window).height();
  if ($(window).scrollTop() === diff) {
    self.viewmodel.page().set(self.viewmodel.page().get() + 1);
  }
}, 50);
});

Template.myTemplate.onCreated(function () {
  window.addEventListener('scroll', this.viewmodel.scrollListener.bind(this));
});

Template.myTemplate.onDestroyed(function () {
  window.removeEventListener('scroll', this.viewmodel.scrollListener.bind(this));
});