import "react-app-polyfill/ie11" ; import "react-app-polyfill/stable" ; import { ResizeObserver as ROP } from "@juggle/resize-observer" ; if ( ! window . ResizeObserver ) { window . ResizeObserver = ROP ; } if ( ! Object . entries ) { Object . entries = function ( obj ) { var ownProps = Object . keys ( obj ) , i = ownProps . length , resArray = new Array ( i ) ; while ( i -- ) resArray [ i ] = [ ownProps [ i ] , obj [ ownProps [ i ] ] ] ; return resArray ; } ; }