@randsum/notation/src/transformers/optionsToSidesFaces.ts

Dice notation parser and types for the @randsum ecosystem

import type { RollOptions } from '../types'

export function optionsToSidesFaces<T>({ sides }: RollOptions<T>): {
  sides: number
  faces?: T[]
} {
  if (Array.isArray(sides)) {
    return { sides: sides.length, faces: sides }
  }
  return { sides }
}