node-form/module/RCValidator.js

form validation engine

var RCValidator = (function () {
    function RCValidator() {
        this.tagName = 'rc';
    }
    RCValidator.prototype.isAcceptable = function (s) {
        var old = false;
        var month;
        var year;
        var day;
        var numrc;
        var dbg = false;
        if (s === undefined)
            return false;
        if (s.toString().length === 0) {
            return false;
        }

        if (!s.match(/^\d{6}\/?\d{3,4}$/))
            return false;

        if (s.indexOf('/') != -1)
            old = s.length === 10;
        else
            old = s.length === 9;

        if (s.indexOf('/') !== -1) {
            numrc = s.split("/");
            numrc = numrc.join("");
        } else {
            numrc = s;
        }

        day = parseInt(numrc.substring(4, 6), 10);
        month = parseInt(numrc.substring(2, 4), 10);
        year = parseInt(numrc.substring(0, 2), 10);

        if (s.match(/\/?(0000?|8888?|9999?)$/)) {
            dbg = true;
        }

        if (!old && !dbg) {
            if (numrc % 11 !== 0 && s.substr(s.length - 1) === "0") {
                if (parseInt(numrc.substr(0, 9), 10) % 11 !== 10)
                    return false;
            } else if (numrc % 11 !== 0)
                return false;
        }

        if (year > 54 && old && !dbg)
            return false;

        if (!old && year < 54)
            year = 2000 + year;
        else
            year = 1900 + year;

        if (month > 50 && month < 63)
            month = month - 50;
        if (!old && year >= 2004) {
            if (month > 20 && month < 33)
                month = month - 20;
            if (month > 70 && month < 83)
                month = month - 70;
        }

        var datum = moment(_s.lpad(day.toString(), 2, '0') + "." + _s.lpad(month.toString(), 2, '0') + "." + year, "DD.MM.YYYY");

        if (!datum.isValid())
            return false;
        return datum.toDate() <= moment(Date.now()).toDate();
    };
    return RCValidator;
})();