Function asDirectory

packages/core/api/src/admin/reads.ts:222–229

(
  directory: AdminIdentityDirectory | AdminUserDirectory | undefined,
)

 * joins identities keeps working unchanged.
 */
const asDirectory = (
  directory: AdminIdentityDirectory | AdminUserDirectory | undefined,
): AdminUserDirectory =>
  directory === undefined
    ? {}
    : typeof directory === "function"
      ? { identities: directory }
      : directory;

/**
 * Turn an `?email=` filter into the id to keep, or `null` for "nothing can