GibboK - FP - Example of function composition in vanilla JavaScript

gibbok-fp-compose-fns.js

const compose = (f, ...fs) => x =>
  f === undefined ? x : compose(...fs)(f(x))

const add = x => y => x + y

const mult = x => y => x * y

const main = compose(add(3), mult(4), add(5), mult(6))

console.log(main(2))