lowderdev

function apply(x, fn) {
  return fn(x);
}

function pipe(...functions) {
  function newFunction(value) {
    return functions.reduce(apply, value);
  }

  return newFunction;

lowderdev

const pipe = (...fns) => x => fns.reduce((y, f) => f(y), x);

const add3 = x => x + 3;
const times2 = x => x * 2;

const add3times2 = pipe(add3, times2);
const times2add3 = pipe(times2, add3);

console.log(add3times2(5)); // 16
console.log(times2add3(5)); // 13