1 import Ember from 'ember';

     2 

     3 export function isIndeterminate(params) {

     4     var dates = params[0];

     5 

     6     var decade = [];

     7     var next = params[1] + 10;

     8     while(params[1] < next) {

     9         decade.push(params[1]);

    10         params[1] ++;

    11     }

    12 

    13     var filter = decade.filter(function(date){ return dates.indexOf(date) > -1; });

    14     if(filter.length !== decade.length && filter.length) {

    15         return true

    16     }

    17     return false;

    18 }

    19 

    20 export default Ember.Helper.helper(isIndeterminate);