mout/number/currencyFormat.js

Modular Utilities

"use strict";
exports.__esModule = true;
var toNumber_1 = require("../lang/toNumber");
/**
 * Converts number into currency format
 */
function currencyFormat(val, nDecimalDigits, decimalSeparator, thousandsSeparator) {
    val = toNumber_1["default"](val);
    nDecimalDigits = nDecimalDigits == null ? 2 : nDecimalDigits;
    decimalSeparator = decimalSeparator == null ? '.' : decimalSeparator;
    thousandsSeparator = thousandsSeparator == null ? ',' : thousandsSeparator;
    // can't use enforce precision since it returns a number and we are
    // doing a RegExp over the string
    var fixed = val.toFixed(nDecimalDigits);
    // separate begin [$1], middle [$2] and decimal digits [$4]
    var parts = new RegExp("^(-?\\d{1,3})((?:\\d{3})+)(\\.(\\d{" + nDecimalDigits + "}))?$").exec(fixed);
    if (parts) {
        // val >= 1000 || val <= -1000
        return (parts[1] +
            parts[2].replace(/\d{3}/g, thousandsSeparator + "$&") +
            (parts[4] ? decimalSeparator + parts[4] : ''));
    }
    else {
        return fixed.replace('.', decimalSeparator);
    }
}
exports["default"] = currencyFormat;