function autoGroup()

in src/Foundation/Theming/code/scripts/autoNumeric.js [309:354]

• 46 lines of code
• 17 McCabe index (conditional complexity)

    function autoGroup(iv, settings) {
        iv = autoStrip(iv, settings);
        var testNeg = iv.replace(',', '.'),
            empty = checkEmpty(iv, settings, true);
        if (empty !== null) {
            return empty;
        }
        var digitalGroup = '';
        if (settings.dGroup === 2) {
            digitalGroup = /(\d)((\d)(\d{2}?)+)$/;
        } else if (settings.dGroup === 4) {
            digitalGroup = /(\d)((\d{4}?)+)$/;
        } else {
            digitalGroup = /(\d)((\d{3}?)+)$/;
        } /** splits the string at the decimal string */
        var ivSplit = iv.split(settings.aDec);
        if (settings.altDec && ivSplit.length === 1) {
            ivSplit = iv.split(settings.altDec);
        } /** assigns the whole number to the a varibale (s) */
        var s = ivSplit[0];
        if (settings.aSep) {
            while (digitalGroup.test(s)) { /** re-inserts the thousand sepparator via a regualer expression */
                s = s.replace(digitalGroup, '$1' + settings.aSep + '$2');
            }
        }
        if (settings.mDec !== 0 && ivSplit.length > 1) {
            if (ivSplit[1].length > settings.mDec) {
                ivSplit[1] = ivSplit[1].substring(0, settings.mDec);
            } /** joins the whole number with the deciaml value */
            iv = s + settings.aDec + ivSplit[1];
        } else { /** if whole numbers only */
            iv = s;
        }
        if (settings.aSign) {
            var has_aNeg = iv.indexOf(settings.aNeg) !== -1;
            iv = iv.replace(settings.aNeg, '');
            iv = settings.pSign === 'p' ? settings.aSign + iv : iv + settings.aSign;
            if (has_aNeg) {
                iv = settings.aNeg + iv;
            }
        }
        if (settings.oEvent === 'set' && testNeg < 0 && settings.nBracket !== null) { /** removes the negative sign and places brackets */
            iv = negativeBracket(iv, settings.nBracket, settings.oEvent);
        }
        return iv;
    }