Please look at the extensions of JS in ES6 for better solutions of the problems you talk about in the article. Symbols for example

export const ADD_TODO = 'ADD_TODO'

Can be written as

export const ADD_TODO = Symbol()

Also:

The class statement that helps express the intention of a function.

The power of JS is that you can choose your own style and evolve the code between paradigms when you need to. Most other languages forces you to one paradigm.