Function extractSingleParams

packages/effect/src/unstable/cli/Param.ts:2160–2173

(
  param: Param<Kind, A>
)

 * @internal
 */
export const extractSingleParams = <Kind extends ParamKind, A>(
  param: Param<Kind, A>
): Array<Single<Kind, unknown>> => {
  return matchParam(param, {
    Single: (single) => [single as Single<Kind, unknown>],
    Map: (mapped) => extractSingleParams(mapped.param),
    Transform: (mapped) => [
      ...extractSingleParams(mapped.param),
      ...mapped.alternatives.flatMap((alternative) => extractSingleParams(alternative()))
    ],
    Optional: (optional) => extractSingleParams(optional.param),
    Variadic: (variadic) => extractSingleParams(variadic.param)
  })
}

/**
 * Gets the underlying Single param from a potentially nested param structure.