Alternatives for exclusion with lodash

exclusion-a.mjs

import * as _ from 'lodash'

const exclusion = (...arrays) =>
  _.flatMap(arrays, x => _.difference(x, ..._.without(arrays, x)))

exclusion-b.mjs

import * as _ from 'lodash'

const exclusion = (...arrays) =>
  _.difference(
    _.union(...arrays),
    _.flattenDepth(
      _.map(arrays, x =>
        _.map(_.without(arrays, x), y => _.intersection(x, y))
      ),
      2
    )
  )