foreword/test/function/descendBy.js

A JavaScript library for functional data transformation

const test = require('tape')
const { descendBy } = require('../../index')

test('function ascendBy', t => {
  const result = [{ age: 30 }, { age: 20 }, { age: 25 }].sort(descendBy(x => x.age))

  t.same(result, [{ age: 30 }, { age: 25 }, { age: 20 }])
  t.end()
})