GMP/test/Class.js

window.GMP = window.GMP || {};

GMP.Class = function() {
    var len = arguments.length;
    var P = arguments[0];
    var F = arguments[len-1];

    var C = typeof F.initialize == 'function' ?
        F.initialize :
        function(){ P.prototype.initialize.apply(this, arguments); };

    if (len > 1) {
        var newArgs = [C, P].concat(
            Array.prototype.slice.call(arguments).slice(1, len-1), F);
        GMP.inherit.apply(null, newArgs);
    } else {
        C.prototype = F;
    }
    return C;
};

GMP.inherit = function(C, P) {
    var F = function() {};
    F.prototype = P.prototype;
    C.prototype = new F;
    var i, l, o;
    for(i=2, l=arguments.length; i<l; i++) {
        o = arguments[i];
        if(typeof o === 'function') {
            o = o.prototype;
        }
        GMP.Util.extend(C.prototype, o);
    }
};

GMP.Util = GMP.Util || {};
GMP.Util.extend = function(destination, source) {
    destination = destination || {};
    if (source) {
        for (var property in source) {
            var value = source[property];
            if (value !== undefined) {
                destination[property] = value;
            }
        }

        var sourceIsEvt = typeof window.Event == 'function'
            && source instanceof window.Event;

        if (!sourceIsEvt
            && source.hasOwnProperty && source.hasOwnProperty('toString')) {
            destination.toString = source.toString;
        }
    }
    return destination;
};

module.exports = GMP;