Function countSeatsUsed

apps/cloud/src/extensions/billing/plans.ts:97–104

(
  memberships: ReadonlyArray<SeatMembership>,
  pendingInvitationCount: number,
)

 * both lists, so take the larger of the two rather than adding them.
 */
export const countSeatsUsed = (
  memberships: ReadonlyArray<SeatMembership>,
  pendingInvitationCount: number,
): number => {
  const active = memberships.filter((m) => m.status === "active").length;
  const pendingMembers = memberships.filter((m) => m.status === "pending").length;
  return active + Math.max(pendingMembers, pendingInvitationCount);
};