index.js

for(prop in this) {
    // creating callbacks for each property
    var _prop = prop + 'Callback';
    this[_prop] = undefined;

    // creating custom setters for each property
    var _set = 'set' + prop;
    this[_set] = new Function('value',`console.log('setting name: ' + value); if(value !== this.${prop}) { this.${prop} = value; this.${_set}(value); }`);
};