Function checkOverflow

_benchmarks/sample_moment.js:2331–2373

(m)

    }

    function checkOverflow(m) {
        var overflow,
            a = m._a;

        if (a && getParsingFlags(m).overflow === -2) {
            overflow =
                a[MONTH] < 0 || a[MONTH] > 11
                    ? MONTH
                    : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
                      ? DATE
                      : a[HOUR] < 0 ||
                          a[HOUR] > 24 ||
                          (a[HOUR] === 24 &&
                              (a[MINUTE] !== 0 ||
                                  a[SECOND] !== 0 ||
                                  a[MILLISECOND] !== 0))
                        ? HOUR
                        : a[MINUTE] < 0 || a[MINUTE] > 59
                          ? MINUTE
                          : a[SECOND] < 0 || a[SECOND] > 59
                            ? SECOND
                            : a[MILLISECOND] < 0 || a[MILLISECOND] > 999
                              ? MILLISECOND
                              : -1;

            if (
                getParsingFlags(m)._overflowDayOfYear &&
                (overflow < YEAR || overflow > DATE)
            ) {
                overflow = DATE;
            }
            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
                overflow = WEEK;
            }
            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
                overflow = WEEKDAY;
            }

            getParsingFlags(m).overflow = overflow;
        }

        return m;
    }

    // iso 8601 regex
    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)