pipe.js

const inc = (x) => x + 1
const dbl = (x) => x * 2
const add = (x, y) => x + y
const multiply = (x, y) => x * y
const subtract = (x, y) => x - y
const divide = (x, y) => x / y

const partial = (fn, ...args) => fn.bind(null, ...args)
const _pipe = (f, g) => (...args) => g(f(...args))
const pipe = (...fns) => fns.reduce(_pipe)

const pipeline = pipe(add, inc, dbl, inc)

console.log(pipeline(1, 2))