juof/libs/oop/index.js

For objects and functions manipulation in javascript. Use for inheritance, attribute etc.

var exports = {}, runnedSuper = Symbol("super");

exports.abstract = function (type) {
    function abstract() {
        var scope = this;

        if (!(this instanceof abstract))
            scope = {};

        if (scope.constructor == type)
            throw Error(type.name + " instance can not be created!");

        var result = type.apply(scope, arguments);

        if (result) return result;
    }
    var fn = abstract.toString().replace(/(abstract)/g, type.name);
    var ju = new Function("type", "return " + fn + ";")(type);

    ju.prototype = type.prototype;

    return ju;
}

exports.inherit = function (type, base) {
    function inherit() {
        type.apply(this, arguments);
    }
    var fn = inherit.toString().replace(/(inherit)/g, type.name);
    var ju = new Function("type", "base", "return " + fn + ";")(type, base);

    ju.prototype = type.prototype;
    ju.prototype.super = function () {
        if(this[runnedSuper] && this[runnedSuper] == ju){
            base.prototype.super.apply(this, arguments);
        } else {
            this[runnedSuper] = ju;
            base.apply(this, arguments);
        }
    }
    ju.prototype.__proto__ = base.prototype;

    return ju;
}

module.exports = exports;