app/classification/route.js

import { NextResponse } from "next/server";
import PipelineSingleton from "./pipeline";

export async function GET(request) {

    const text = request.nextUrl.searchParams.get('text');

    if (!text) {
        return NextResponse.json({
            error: 'Missing text parameter',
        }, { status: 400 });
    }

    const classifier = await PipelineSingleton.getInstance();

    const result = await classifier(text);

    return NextResponse.json(result);
}