OTP input for PIN codes.

import { REGEXP_ONLY_DIGITS } from "input-otp"

import {
  Field,
  FieldDescription,
  FieldLabel,
} from "@/components/ui/field"
import {
  InputOTP,
  InputOTPGroup,
  InputOTPSlot,
} from "@/components/ui/input-otp"

export function Pattern() {
  return (
    <div className="flex items-center justify-center">
      <Field>
        <FieldLabel htmlFor="four-digits">4-Digit PIN</FieldLabel>
        <FieldDescription>Common pattern for PIN codes.</FieldDescription>
        <InputOTP id="four-digits" maxLength={4} pattern={REGEXP_ONLY_DIGITS}>
          <InputOTPGroup>
            <InputOTPSlot index={0} />
            <InputOTPSlot index={1} />
            <InputOTPSlot index={2} />
            <InputOTPSlot index={3} />
          </InputOTPGroup>
        </InputOTP>
      </Field>
    </div>
  )
}