The heart of pd

0usage.js

var Parent = {
    constructor: function constructor(magic) {
        this.isMagic = magic
        return this
    },
    method: function method() { }
}

var Mixin = {
    mixinMethod: function () { }
}

var Child = extend({}, Parent, Mixin, {
    constructor: function constructor(magic, count) {
        this.count = count
        return Parent.constructor.call(this, magic)
    },
    anotherMethod: function () { }
})

var instance = extend({}, Child).constructor(true, 10)

1pd.js

var slice = Array.prototype.slice;

function extend(object) {
    slice.call(arguments, 1).forEach(copyProperties);
    return object;

    function copyProperties(source) {
        Object.getOwnPropertyNames(source).forEach(copyProperty);

        function copyProperty(name) {
            object[name] = source[name];
        }
    }
}