var clientSorts = [];
 for(var i=0, len=sorts.length; i < len; i++) {
 var c = sorts[i];
 if(c.comparator !== false){
 var dir = c.sort === 'asc' ? '' : '-';
 clientSorts.push(dir + c.prop);
 }
 }
 if(clientSorts.length){
 // todo: more ideal to just resort vs splice and repush
 // but wasn't responding to this change ...
 var sortedValues = this.$filter('orderBy')(this.rows, clientSorts);
 this.rows.splice(0, this.rows.length);
 this.rows.push(...sortedValues);
 }