foreword/test/array/some.js

A JavaScript library for functional data transformation

const test = require('tape')
const { some } = require('../../array')

test('array some: return true if one value matches predicate', t => {
  const result = some(x => x === 1)([3, 2, 1])

  t.same(result, true)
  t.end()
})
test('array some: return false if no value matches predicate', t => {
  const result = some(x => x === 0)([3, 2, 1])

  t.same(result, false)
  t.end()
})