Function previousPart

packages/cli/src/internal/prompt/date.ts:415–421

* Retrieves the previous date part in the list of parts.

()

   * Retrieves the previous date part in the list of parts.
   */
  previousPart(): Option.Option<DatePart> {
    return Arr.findFirstIndex(this.parts, (part) => part === this).pipe(
      Option.flatMap((currentPartIndex) =>
        Arr.findLast(this.parts.slice(0, currentPartIndex), (part) => !part.isToken())
      )
    )
  }

  toString() {
    return String(this.date)