@langgraph-js/pro/dist/messages/index.d.ts

The Pro SDK for LangGraph - seamlessly integrate your AI agents with frontend interfaces and build complex AI workflows

import { BaseMessage, HumanMessage } from "@langchain/core/messages";
/**
 * 获取消息的文本内容, 会对多个文本消息进行合并处理
 * @example
 * const text = getTextMessageContent(message);
 * console.log(text);
 */
export declare const getTextMessageContent: (message: BaseMessage) => string;
/**
 * 获取最后一条人类发送的消息
 * @example
 * const lastHumanMessage = getLastHumanMessage(state.messages);
 * console.log(lastHumanMessage);
 */
export declare function getLastHumanMessage(messages: BaseMessage[]): HumanMessage | undefined;