JSFiddle - React, Tailwind, and code Playground

JavaScript

var AwesomeObject = (function() {
    var AwesomeObject = function() {
        this.whatstuff = 'really awesome';
    };

    AwesomeObject.prototype.doStuff = function() {
        console.log('i did ' + this.whatstuff + ' stuff');
        return this;
    };

    return function() {
        var o = new AwesomeObject();
        var f = function() { console.log("I am awesome"); };
        for (var k in o) {
            f[k] = o[k];    
        }
        
        return f;
    };

})();

var foo = AwesomeObject();
foo();
foo.doStuff();