Edit

Editing: bs.js

//! moment.js locale configuration

;(function (global, factory) {
   typeof exports === 'object' && typeof module !== 'undefined'
       && typeof require === 'function' ? factory(require('../moment')) :
   typeof define === 'function' && define.amd ? define(['../moment'], factory) :
   factory(global.moment)
}(this, (function (moment) { 'use strict';

function translate(number, withoutSuffix, key) {
        var result = number + ' ';
        switch (key) {
            case 'ss':
                if (number === 1) {
                    result += 'sekunda';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'sekunde';
                } else {
                    result += 'sekundi';
                }
                return result;
            case 'm':
                return withoutSuffix ? 'jedna minuta' : 'jedne minute';
            case 'mm':
                if (number === 1) {
                    result += 'minuta';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'minute';
                } else {
                    result += 'minuta';
                }
                return result;
            case 'h':
                return withoutSuffix ? 'jedan sat' : 'jednog sata';
            case 'hh':
                if (number === 1) {
                    result += 'sat';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'sata';
                } else {
                    result += 'sati';
                }
                return result;
            case 'dd':
                if (number === 1) {
                    result += 'dan';
                } else {
                    result += 'dana';
                }
                return result;
            case 'MM':
                if (number === 1) {
                    result += 'mjesec';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'mjeseca';
                } else {
                    result += 'mjeseci';
                }
                return result;
            case 'yy':
                if (number === 1) {
                    result += 'godina';
                } else if (number === 2 || number === 3 || number === 4) {
                    result += 'godine';
                } else {
                    result += 'godina';
                }
                return result;
        }
    }

var bs = moment.defineLocale('bs', {
        months : 'januar_februar_mart_april_maj_juni_juli_august_septembar_oktobar_novembar_decembar'.split('_'),
        monthsShort : 'jan._feb._mar._apr._maj._jun._jul._aug._sep._okt._nov._dec.'.split('_'),
        monthsParseExact: true,
        weekdays : 'nedjelja_ponedjeljak_utorak_srijeda_četvrtak_petak_subota'.split('_'),
        weekdaysShort : 'ned._pon._uto._sri._čet._pet._sub.'.split('_'),
        weekdaysMin : 'ne_po_ut_sr_če_pe_su'.split('_'),
        weekdaysParseExact : true,
        longDateFormat : {
            LT : 'H:mm',
            LTS : 'H:mm:ss',
            L : 'DD.MM.YYYY',
            LL : 'D. MMMM YYYY',
            LLL : 'D. MMMM YYYY H:mm',
            LLLL : 'dddd, D. MMMM YYYY H:mm'
        },
        calendar : {
            sameDay  : '[danas u] LT',
            nextDay  : '[sutra u] LT',
            nextWeek : function () {
                switch (this.day()) {
                    case 0:
                        return '[u] [nedjelju] [u] LT';
                    case 3:
                        return '[u] [srijedu] [u] LT';
                    case 6:
                        return '[u] [subotu] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[u] dddd [u] LT';
                }
            },
            lastDay  : '[jučer u] LT',
            lastWeek : function () {
                switch (this.day()) {
                    case 0:
                    case 3:
                        return '[prošlu] dddd [u] LT';
                    case 6:
                        return '[prošle] [subote] [u] LT';
                    case 1:
                    case 2:
                    case 4:
                    case 5:
                        return '[prošli] dddd [u] LT';
                }
            },
            sameElse : 'L'
        },
        relativeTime : {
            future : 'za %s',
            past   : 'prije %s',
            s      : 'par sekundi',
            ss     : translate,
            m      : translate,
            mm     : translate,
            h      : translate,
            hh     : translate,
            d      : 'dan',
            dd     : translate,
            M      : 'mjesec',
            MM     : translate,
            y      : 'godinu',
            yy     : translate
        },
        dayOfMonthOrdinalParse: /\d{1,2}\./,
        ordinal : '%d.',
        week : {
            dow : 1, // Monday is the first day of the week.
            doy : 7  // The week that contains Jan 7th is the first week of the year.
        }
    });

return bs;

})));