@langgraph-js/sdk/dist/server/interrupt/index.js

The UI SDK for LangGraph - seamlessly integrate your AI agents with frontend interfaces

import { AIMessage, HumanMessage } from "@langchain/core/messages";
import { interrupt } from "@langchain/langgraph";
export class InterruptModal {
    constructor(inputParams) {
        this.inputParams = inputParams;
    }
    get response() {
        if (!this.rawResponse)
            throw new Error("rawResponse is undefined");
        return JSON.parse(this.rawResponse.response);
    }
    interrupt(message) {
        const inputData = Object.assign({ message }, this.inputParams);
        const input = JSON.stringify(inputData);
        const response = interrupt(input);
        this.rawResponse = {
            request: inputData,
            response,
        };
        return this;
    }
    isApprove() {
        return this.response.answer;
    }
    isReject() {
        return !this.response.answer;
    }
    toMessages(options) {
        if (!this.rawResponse)
            throw new Error("rawResponse is undefined");
        return [
            (options === null || options === void 0 ? void 0 : options.AIAskMessage) && new AIMessage(this.rawResponse.request.message),
            new HumanMessage(this.response.answer),
        ].filter(Boolean);
    }
}