TypeError: Invalid value used as weak map key

[HananoshikaYomaru]

import { threaded } from "multithreading";

const test = 3;

const add = threaded(async function* (a, b) {
  yield test;
  console.log(test);
  return a + b;
});

console.log(await add(5, 10)); // 15

error

/node_modules/.pnpm/multithreading@0.2.1/node_modules/multithreading/dist/index.mjs:810
      valueOwnershipQueue.set(context[key], []);
                          ^
TypeError: Invalid value used as weak map key

[HananoshikaYomaru]

seems like only object will work