Function lastAssistantText

examples/tutorial/src/index.ts:142–148

(messages: RecipeAgent["messages"])

} satisfies ExportedHandler<Env>;

function lastAssistantText(messages: RecipeAgent["messages"]): string {
  const parts = messages.filter((message) => message.role === "assistant").at(-1)?.parts ?? [];
  return parts
    .map((part) => (part.type === "text" ? part.text : ""))
    .join("")
    .trim();
}