all files / saguaro/lib/ checkers.js

100% Statements 138/138
99.16% Branches 118/119
100% Functions 44/44
100% Lines 138/138
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var utils = require('./utils'),
    urlLib = require('url');
 
/*
 * Types
 */
 
exports.nan = exports.NaN = function (value) {
    return utils.getType(value) === '[object Number]' && (Number.isNaN || isNaN)(value);
};
 
exports.array = function (value) {
    return Array.isArray(value);
};
 
exports.buffer = function (value) {
    return Buffer.isBuffer(value);
};
 
exports.object = function (value) {
    return utils.getType(value) === '[object Object]' || exports.arguments(value);
};
 
exports.arguments = function (value) {
    return utils.getType(value) === '[object Arguments]';
};
 
exports.boolean = function (value) {
    return utils.getType(value) === '[object Boolean]';
};
 
exports.regexp = function (value) {
    return utils.getType(value) === '[object RegExp]';
};
 
exports.error = function (value) {
    return utils.getType(value) === '[object Error]';
};
 
exports.function = function (value) {
    return utils.getType(value) === '[object Function]';
};
 
exports.string = function (value) {
    return utils.getType(value) === '[object String]';
};
 
exports.date = function (value) {
    return utils.getType(value) === '[object Date]';
};
 
exports.number = function (value) {
    return utils.getType(value) === '[object Number]' && !exports.NaN(value);
};
 
exports.positive = function (value) {
    // zero is neither positive nor negative
    return exports.number(value) && value > 0;
};
 
exports.negative = function (value) {
    // zero is neither positive nor negative
    return exports.number(value) && value < 0;
};
 
exports.integer = exports.int = function (value) {
    //return Number.isInteger(value);
    return exports.number(value) && (value % 1 == 0);
};
 
exports.float = function (value) {
    return exports.number(value) && !exports.integer(value);
};
 
exports.hexa = function (value) {
    return (exports.string(value) || exports.number(value)) && /^[a-f0-9]+$/i.test(value);
};
 
exports.alphanum = function (value) {
    return exports.string(value) && /^[a-z0-9]+$/i.test(value);
};
 
exports.exist = function (value) {
    return typeof value !== "undefined" && value !== null;
};
 
exports.equal = exports.exactly = function (value, args) {
    return (exports.number(value) || (exports.string(value) && !exports.empty(value))) && value == args[0];
};
 
exports.above = exports.greaterThan = exports.greaterthan = function (value, args) {
    return (exports.number(value) || (exports.string(value) && !exports.empty(value))) && value > parseFloat(args[0]);
};
 
exports.least = function (value, args) {
    return exports.equal(value, args) || exports.above(value, args);
};
 
exports.below = exports.lessThan = exports.lessthan = function (value, args) {
    return (exports.number(value) || (exports.string(value) && !exports.empty(value))) && value < parseFloat(args[0]);
};
 
exports.most = function (value, args) {
    return exports.equal(value, args) || exports.below(value, args);
};
 
exports.contain = function (value, args) {
    return (exports.number(value) || exports.string(value)) && String(value).indexOf(args[0].replace('\\', '')) > -1;
};
 
exports.empty = function (value) {
    if (
        (exports.object(value) && !Object.keys(value).length)
        ||
        (exports.array(value) && !value.length)
        ||
        (exports.string(value) && !value.length)
        ||
        value == null
    )
        return true;
    
    return false;
};
 
exports.match = function (value, args, flags) {
    flags = flags || '';
    return new RegExp(args[0], flags).test(String(value));
};
 
exports.imatch = function (value, args) {
    return exports.match(value, args, 'i');
};
 
exports.year = function (value, args) {
    
    if (!exports.date(value))
        return false;
 
    var diff = new Date().getFullYear() - value.getFullYear()
 
    if (args.length >= 2)
        return exports.within(diff, args);
 
    return exports.least(diff, args);
};
 
exports.within = exports.between = exports.range = function (value, args) {
    return exports.least(value, [args[0]]) && exports.most(value, [args[1]]);
};
 
exports.key = function (value, args) {
    
    if (!exports.object(value))
        return false;
 
    return exports.include(Object.keys(value), args);
};
 
exports.include = function (value, args, some) {
    some = some || false;
    
    if (!args || !exports.array(args) || (!exports.array(value) && !exports.number(value) && !exports.string(value))) {
        return false;
    }
 
    var method = some ? 'some' : 'every';
    
    if (exports.array(value)) {
        
        return args[method](function (v) {
            
            for (var i = 0, arrLength = value.length; i < arrLength; i++) {
                if (value[i] == v)
                    return true;
            }
 
            return false;
        });
 
    }
    else if (exports.number(value))
        value = String(value);
 
    return args[method](function (v) {
        return value.indexOf(v) > -1;
    });
};
 
exports.in = function (value, args) {
    return (exports.number(value) || exports.string(value) || exports.array(value)) && exports.include(value, args, true);
};
 
exports.length = exports.size = function (value, args) {
    
    if (typeof value == 'undefined')
        return false;
    
    var data;
    if (exports.object(value))
        data = Object.keys(value).length;
    else if (exports.array(value))
        data = value.length;
    else if (exports.string(value))
        data = value.length;
    else
        return false;
 
    if (args.length == 2) 
        return exports.within(data, args);
    
    return exports.equal(data, [args[0]]);
};
 
exports.url = function (value) {
    
    if (!exports.string(value))
        return false;
 
    var urlInfo = urlLib.parse(value);
    
    return !exports.empty(urlInfo.protocol) && !exports.empty(urlInfo.hostname) && !exports.empty(urlInfo.pathname);
};
 
exports.email = function (value) {
    return /^[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[a-z]{2,})\b/i.test(value);
};
 
exports.ip = function (value) {
    
    if (/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.test(value)) {
        
        var result = true, currentResult = true, arrParts = value.split('.');
        
        arrParts.some(function (part) {
            if (part < 0 || part > 255)
                currentResult=false;
            
            result = result && currentResult;
            
            if (!result)
                return true;
        });
 
        return result;
    }
 
    return false;
};
 
exports.creditcard = function (value) {
    // http://www.regular-expressions.info/creditcard.html
    // All Visa card numbers start with a 4. New cards have 16 digits. Old cards have 13.
    // All MasterCard numbers start with the numbers 51 through 55. All have 16 digits.
    // American Express card numbers start with 34 or 37 and have 15 digits.
    // Diners Club card numbers begin with 300 through 305, 36 or 38. All have 14 digits. There are Diners Club cards that begin with 5 and have 16 digits. These are a joint venture between Diners Club and MasterCard, and should be processed like a MasterCard.
    // Discover card numbers begin with 6011 or 65. All have 16 digits.
    // JCB cards beginning with 2131 or 1800 have 15 digits. JCB cards beginning with 35 have 16 digits.
    
    if (!exports.string(value) && !exports.number(value))
        return false;
 
    value = String(value).replace(/[^0-9]+/g, '');
    
    return /^4[0-9]{12}(?:[0-9]{3})?$/.test(value) // Visa
        || /^5[1-5][0-9]{14}$/.test(value) // MasterCard
        || /^3[47][0-9]{13}$/.test(value) // American Express
        || /^3(?:0[0-5]|[68][0-9])[0-9]{11}$/.test(value) // Diner Club
        || /^6(?:011|5[0-9]{2})[0-9]{12}$/.test(value) // Discover
        || /^(?:2131|1800|35\d{3})\d{11}$/.test(value); // JCB
 
};
 
exports.json = function (value) {
    
    if (!exports.string(value))
        return false;
    
    try {
        JSON.parse(value);
    }
    catch (e) {
        return false;
    }
    
    return true;
};
 
exports.lat = function (value) {
    return exports.within(value, [-90, 90]);
};
 
exports.lng = function (value) {
    return exports.within(value, [-180, 180]);
};