Function newMessage

demo/chat/App.tsx:75–85

(
  role: ChatMessage["role"],
  content: string,
)

}

function newMessage(
  role: ChatMessage["role"],
  content: string,
): ChatMessage {
  return {
    id: `${role[0]}-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`,
    role,
    content,
    at: new Date().toISOString(),
  };
}

export function ChatApp() {
  const [session, setSession] = useState<ChatSession>(() => createSession());