CFP - Docs

any

(predicate: Predicate) => (collection: Collection) => boolean

Test if any entry returns truthy

Try It

const gt2 = n => n > 2
const anyGt2 = any(gt2)

anyGt2([1, 2]) // is false
anyGt2([1, 2, 3]) // is true
anyGt2({ a: 1, b: 2 }) // is false
anyGt2({ a: 1, b: 2, c: 3 }) // is true
const gt2 = (n: number) => n > 2
const anyGt2 = any(gt2)

anyGt2([1, 2]) // is false
anyGt2([1, 2, 3]) // is true
anyGt2({ a: 1, b: 2 }) // is false
anyGt2({ a: 1, b: 2, c: 3 }) // is true

Try It

const gt2 = n => n > 2
const anyGt2 = any(gt2)

anyGt2([1, 2]) // is false
anyGt2([1, 2, 3]) // is true
anyGt2({ a: 1, b: 2 }) // is false
anyGt2({ a: 1, b: 2, c: 3 }) // is true
const gt2 = (n: number) => n > 2
const anyGt2 = any(gt2)

anyGt2([1, 2]) // is false
anyGt2([1, 2, 3]) // is true
anyGt2({ a: 1, b: 2 }) // is false
anyGt2({ a: 1, b: 2, c: 3 }) // is true

We often want to test if any entry passes a condition. Below, we see if anyone's birthday is today. If so, we should sing!

Try It

const today = { month: 'March', date: 2 }

const isBirthday = bday =>
  bday.month === today.month && bday.date === today.date

const customerBirthdays = {
  mary: { month: 'March', date: 2 },
  sarah: { month: 'July', date: 15 },
}

const isAnyonesBday = any(isBirthday)

const shouldSing = isAnyonesBday(customerBirthdays)
console.log('should sing: ' + shouldSing)
type MonthDate = { month: string; date: number }

const today = { month: 'March', date: 2 }

const isBirthday = (bday: MonthDate) =>
  bday.month === today.month && bday.date === today.date

type Birthdays = Record<string, MonthDate>
const customerBirthdays: Birthdays = {
  mary: { month: 'March', date: 2 },
  sarah: { month: 'July', date: 15 },
}

const isAnyonesBday = any(isBirthday)<Birthdays>

const shouldSing = isAnyonesBday(customerBirthdays)
console.log('should sing: ' + shouldSing)

Try It

const today = { month: 'March', date: 2 }

const isBirthday = bday =>
  bday.month === today.month &&
  bday.date === today.date

const customerBirthdays = {
  mary: { month: 'March', date: 2 },
  sarah: { month: 'July', date: 15 },
}

const isAnyonesBday = any(isBirthday)

const shouldSing = isAnyonesBday(
  customerBirthdays
)
console.log('should sing: ' + shouldSing)
type MonthDate = { month: string; date: number }

const today = { month: 'March', date: 2 }

const isBirthday = (bday: MonthDate) =>
  bday.month === today.month &&
  bday.date === today.date

type Birthdays = Record<string, MonthDate>
const customerBirthdays: Birthdays = {
  mary: { month: 'March', date: 2 },
  sarah: { month: 'July', date: 15 },
}

const isAnyonesBday = any(isBirthday)<Birthdays>

const shouldSing = isAnyonesBday(
  customerBirthdays
)
console.log('should sing: ' + shouldSing)