1 import Ember from 'ember';

     2 

     3 export function popularity([target, minimum, maximum]) {

     4     var classname = ['not-popular', 'popular', 'very-popular'];

     5     var interval = ( maximum - minimum ) / classname.length;

     6 

     7     var i = 0;

     8     while( target > minimum + ( interval * ( i + 1 ) ) ) {

     9         i ++;

    10     }

    11 

    12     return classname[i];

    13 }

    14 

    15 export default Ember.Helper.helper(popularity);