JSFiddle - React, Tailwind, and code Playground

JavaScript

var library = {
  "myObj" : {"name" : "myObj", "type" : "myType", "functionX" : function () { alert(this.firstName); } } //, etc
};

var theObj = {firstName: "bruce"};

theObj.__proto__ = library["myObj"];
                                                                             
                                                                             
                                                                             
theObj.functionX();