a dirty private method

dirty.js

publicMethods = ['bark']

class Dog {
    
    constructor() {
        _secret = new Dog();
        
        _.forOwn(this, (value, key) => {
            if (_.isFunction(value)) {
                if (_.contains(publicMethods, key)) {
                    this[key] = _secret[key];
                } else {
                    this[key] = undefined;
                }
            }
        });
    }
    
    _getName() {}
    
    bark() {}
}