William Jeynes
27 lines
857 B
TypeScript
27 lines
857 B
TypeScript
import { HumanMessage, SystemMessage } from "@langchain/core/messages";
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import { GraphNode } from "@langchain/langgraph";
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import { MessagesState } from "../state";
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import { ChatOpenAI } from "@langchain/openai"
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import { hydratePrompt } from "../prompts/hydratePrompt";
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export function createModelNode(tools: any, promptPath: string): GraphNode<typeof MessagesState> {
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return async (state) => {
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const sysPrompt = await hydratePrompt(promptPath, state);
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const model = new ChatOpenAI({
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model: "gpt-5.4"
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});
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const modelWithTools = model.bindTools(Object.values(tools));
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const response = await modelWithTools.invoke([
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new SystemMessage(
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sysPrompt
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),
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...state.messages,
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]);
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return {
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messages: [response]
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};
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};
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} |