Files
LLMsForDisinformationAnalysis/agent/nodes/triggerEventSetup.ts
T
2026-04-02 21:02:26 +01:00

25 lines
1.1 KiB
TypeScript

import { GraphNode } from "@langchain/langgraph";
import { MessagesState } from "../state";
import { AIMessage, BaseMessage } from "@langchain/core/messages";
import { rankExampleTriggerEvents } from "../tools/retreiveExamples";
function extractTE(text: string) {
const match = text.match(/<norm>([\s\S]*?)<\/norm>/);
if (!match) throw new Error("Nothing found between <norm> tags");
return match[1].trim();
}
export const triggerEventSetup: GraphNode<typeof MessagesState> = async (state) => {
let raw = state?.messages?.at(-1)?.content ?? "" //keep a copy of normalized trigger event. Again two things, womp womp
let nc = extractTE(raw.toString())
//Now give in-context examples. hopwfully we can self-teach?
let similarityResults = await rankExampleTriggerEvents(state.disinformationTitle)
let messages : BaseMessage[] = similarityResults.map((item) => {
return new AIMessage(`- Event: ${item.rawtext} \n\n - Claims and given scores: ${item.cleantext}`)
})
return { messages: messages, disinformationTitle: state.disinformationTitle, normalizedClaim: nc };
};