Pipe Function

pipeFunction.js

const pipe = (...fns) => input => {
  return fns.reduce((output, fn) => fn(output), input)
}

const reverse = string => string.split('').reverse().join('')
const exclaim = string => `${string}!`

pipe(
  reverse,
  string => string.toUpperCase(),
  exclaim,
  exclaim,
  exclaim,
  console.log
)('diarb')

// Instead of console.log(exclaim(exclaim(exclaim(reverse('diarb'.toUpperCase())))))