/bitrix/js/currency/core_currency.js

(function(window) {

if (BX.Currency)
{
    return;
}

BX.Currency = {
    currencyList: [],
    defaultFormat: {
        'FORMAT_STRING': '#',
        'DEC_POINT': '.',
        'THOUSANDS_SEP': ' ',
        'DECIMALS': 2,
        'HIDE_ZERO': 'N'
    },

    setCurrencyFormat: function(currency, format, replace)
    {
        var index = this.getCurrencyIndex(currency),
            currencyFormat = BX.clone(this.defaultFormat, true),
            i;

        replace = !!replace;
        if (index > -1 && !replace)
        {
            return;
        }
        if (index === -1)
        {
            index = this.currencyList.length;
        }

        for (i in currencyFormat)
        {
            if (currencyFormat.hasOwnProperty(i) && typeof format[i] !== 'undefined')
            {
                currencyFormat[i] = format[i];
            }
        }
        this.currencyList[index] = {
            'currency': currency,
            'format': BX.clone(currencyFormat, true)
        };
    },

    setCurrencies: function(currencies, replace)
    {
        var i;
        if (!!currencies && BX.type.isArray(currencies))
        {
            for (i = 0; i < currencies.length; i++)
            {
                if(currencies[i] === undefined) continue;
                if (!!currencies[i].CURRENCY && !!currencies[i].FORMAT)
                {
                    this.setCurrencyFormat(currencies[i].CURRENCY, currencies[i].FORMAT, replace);
                }
            }
        }
    },

    getCurrencyFormat: function(currency)
    {
        var index = this.getCurrencyIndex(currency);
        return (index > -1 ? this.currencyList[index].format : false);
    },

    getCurrencyIndex: function(currency)
    {
        var i, index = -1;
        if (this.currencyList.length === 0)
        {
            return index;
        }
        for (i = 0; i < this.currencyList.length; i++)
        {
            if (this.currencyList[i].currency === currency)
            {
                index = i;
                break;
            }
        }
        return index;
    },

    clearCurrency: function(currency)
    {
        var index = this.getCurrencyIndex(currency);
        if (index > -1)
            this.currencyList = BX.util.deleteFromArray(this.currencyList, index);
    },

    clean: function()
    {
        this.currencyList = [];
    },

    currencyFormat: function (price, currency, useTemplate)
    {
        var result = '',
            format;
        useTemplate = !!useTemplate;
        format = this.getCurrencyFormat(currency);
        if (!!format && typeof format === 'object')
        {
            format.CURRENT_DECIMALS = format.DECIMALS;
            if (format.HIDE_ZERO === 'Y' && price == parseInt(price, 10))
                format.CURRENT_DECIMALS = 0;

            result = BX.util.number_format(price, format.CURRENT_DECIMALS, format.DEC_POINT, format.THOUSANDS_SEP);
            if (useTemplate)
                result = format.FORMAT_STRING.replace(/(^|[^&])#/, '$1' + result);
        }
        return result;
    }
};
})(window);