Function displayName

apps/cloud/src/auth/member-directory.ts:41–42

(firstName: string | null, lastName: string | null)

// The display name the seam reports: first + last, or nothing. Computed in SQL
// too (below) so the search term matches what the caller sees.
const displayName = (firstName: string | null, lastName: string | null): string | null =>
  [firstName, lastName].filter(Boolean).join(" ") || null;

const makeService = (db: DrizzleDb): MemberDirectoryShape => {
  const read = <A>(op: string, fn: () => Promise<A>) =>