app/api/translator/route.ts

import { pipeline, env } from "@huggingface/transformers";
import { NextRequest, NextResponse } from "next/server";

env.allowRemoteModels = true;
env.allowLocalModels=false;
env.cacheDir = "./.cache";

export const POST = async (request: NextRequest) => {
  try{
    const { text, code } = await request.json();
    const translator = await pipeline("translation", "Xenova/m2m100_418M");
    const out = await translator(text, {
      src_lang: "en",
      tgt_lang: code,
    } as never);
    return NextResponse.json(out);
  }catch(e){
    console.error(e)
  }
};