Function modDateFormat

src/lib/dates.js:386–409

(fmt, x, formatter, calendar)

    4: '2',
};
function modDateFormat(fmt, x, formatter, calendar) {
    fmt = fmt.replace(fracMatch, function(match) {
        var digits = Math.min(+(match.charAt(1)) || 6, 6);
        var fracSecs = ((x / 1000 % 1) + 2)
            .toFixed(digits)
            .slice(2).replace(/0+$/, '') || '0';
        return fracSecs;
    });

    var d = new Date(Math.floor(x + 0.05));

    fmt = fmt.replace(halfYearMatch, function() {
        return quarterToHalfYear[formatter('%q')(d)];
    });

    if(isWorldCalendar(calendar)) {
        try {
            fmt = Registry.getComponentMethod('calendars', 'worldCalFmt')(fmt, x, calendar);
        } catch(e) {
            return 'Invalid';
        }
    }
    return formatter(fmt)(d);
}

/*
 * formatTime: create a time string from: