rambdax/src/difference.js

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

import { includes } from './includes'
import { uniq } from './uniq'

export function difference(a, b){
  if (arguments.length === 1) return _b => difference(a, _b)

  return uniq(a).filter(aInstance => !includes(aInstance, b))
}