rambdax/src/compose.js

Extended version of Rambda - a lightweight, faster alternative to Ramda

export function compose(...fns){
  if (fns.length === 0){
    throw new Error('compose requires at least one argument')
  }

  return (...args) => {
    const list = fns.slice()
    if (list.length > 0){
      const fn = list.pop()
      let result = fn(...args)
      while (list.length > 0){
        result = list.pop()(result)
      }

      return result
    }
  }
}