Pull.js
this is simple demo. try to pull the screen, and watch how awesome show.
how to use? 
  import Pull from 'pulljs';

  Pull.init({
    instructionsPullToRefresh: 'Pull to Refresh',
    instructionsReleaseToRefresh: 'Release to Refresh',
    instructionsRefreshing: 'Refreshing',
    onRefresh: () => alert('hello pulljs')
  });