Filter unique object

filterUnique.js

for (var key in responseData) {
    // unique nominal_tarif
    var compareKodeMataAnggaran = null;
    responseData[key] = responseData[key].filter(function(value){
        if( compareKodeMataAnggaran != value.kode_mata_anggaran){
            compareTarif = value.nominal_tarif;
            return true;
        }
    });
}
factory.data = responseData;