some utils

Utils.js

.constant('Utils', (function () {
        return {
            addRange: function (dest, source, mapFunction) {
                _.forEach(source, function (elem) {
                    dest.push(mapFunction ? mapFunction(elem) : elem);
                });
            },
            resetMomentTime: function (moment) {
                return moment.hour(0).minute(0).second(0).millisecond(0);
            }
        };
    })())