Function isValid

_benchmarks/sample_moment.js:157–191

(m)

    }

    function isValid(m) {
        var flags = null,
            parsedParts = false,
            isNowValid = m._d && !isNaN(m._d.getTime());
        if (isNowValid) {
            flags = getParsingFlags(m);
            parsedParts = some.call(flags.parsedDateParts, function (i) {
                return i != null;
            });
            isNowValid =
                flags.overflow < 0 &&
                !flags.empty &&
                !flags.invalidEra &&
                !flags.invalidMonth &&
                !flags.invalidWeekday &&
                !flags.weekdayMismatch &&
                !flags.nullInput &&
                !flags.invalidFormat &&
                !flags.userInvalidated &&
                (!flags.meridiem || (flags.meridiem && parsedParts));
            if (m._strict) {
                isNowValid =
                    isNowValid &&
                    flags.charsLeftOver === 0 &&
                    flags.unusedTokens.length === 0 &&
                    flags.bigHour === undefined;
            }
        }
        if (Object.isFrozen == null || !Object.isFrozen(m)) {
            m._isValid = isNowValid;
        } else {
            return isNowValid;
        }
        return m._isValid;
    }

    function createInvalid(flags) {
        var m = createUTC(NaN);