useUserPrincipal

useUserPrincipal is a convenience hook that returns the current user’s Principal or null.

Usage

import { useUserPrincipal } from "./reactor/hooks"

function UserBadge() {
  const principal = useUserPrincipal()

  if (!principal) return null
  if (principal.isAnonymous()) return <span>Anonymous</span>

  return <span>{principal.toText().slice(0, 12)}...</span>
}

Return Value

Type	Description
Principal | null	The current user’s Principal, or null if not authenticated.

See Also

• createAuthHooks — Auth hooks factory
• useAuth — Main auth hook