[request error] this[D].init is not a function at new Sign ? Nuxt3 Nitro Server engine

[dosstx]

When trying to generate headers using node-rsa, I get the following error:

[nuxt] [request error] this[D].init is not a function at new Sign (https://nuxt-starter-jzgdht.w.staticblitz.com/blitz.331c80ffab288536319518a60349d00207075dad.js:6:1135208) at Object.createSign (https://nuxt-starter-jzgdht.w.staticblitz.com/blitz.331c80ffab288536319518a60349d00207075dad.js:6:808197) at Scheme.sign (./node_modules/node-rsa/src/schemes/pkcs1.js:152:32)
at RSAKey.module.exports.Key.RSAKey.sign (./node_modules/node-rsa/src/libs/rsa.js:264:40) at NodeRSA.module.exports.NodeRSA.sign (./node_modules/node-rsa/src/NodeRSA.js:318:32) at generateWalmartHeaders (./.nuxt/dev/index.mjs:446:28) at eval (./.nuxt/dev/index.mjs:458:14) at eval (./node_modules/h3/dist/index.mjs:364:14) at Object.eval [as handler] (./node_modules/h3/dist/index.mjs:564:12) at eval (./node_modules/h3/dist/index.mjs:475:31) [nuxt] [request error] this[D].init is not a function at new Sign (https://nuxt-starter-jzgdht.w.staticblitz.com/blitz.331c80ffab288536319518a60349d00207075dad.js:6:1135208) at Object.createSign (https://nuxt-starter-jzgdht.w.staticblitz.com/blitz.331c80ffab288536319518a60349d00207075dad.js:6:808197) at Scheme.sign (./node_modules/node-rsa/src/schemes/pkcs1.js:152:32)
at RSAKey.module.exports.Key.RSAKey.sign (./node_modules/node-rsa/src/libs/rsa.js:264:40) at NodeRSA.module.exports.NodeRSA.sign (./node_modules/node-rsa/src/NodeRSA.js:318:32) at generateWalmartHeaders (./.nuxt/dev/index.mjs:446:28) at eval (./.nuxt/dev/index.mjs:458:14) at eval (./node_modules/h3/dist/index.mjs:364:14) at Object.eval [as handler] (./node_modules/h3/dist/index.mjs:564:12) at eval (./node_modules/h3/dist/index.mjs:475:31)

My code implemention is:

import NodeRSA from 'node-rsa';

const keyData = {
  consumerId: '<consumer id removed for this post>',
  privateKey: `-----BEGIN RSA PRIVATE KEY-----
  MIIEowIBAAKCAQEAiDffvTlnBcHfDhPjYlJhSk+atPFE6HpFaf4mm/aYBXmOn89A
  MMulkkmpu+RGj0SaPrpX/ockoSeMuuEPPd3AQ5uZAnJw9TBnE2/kJrPsHaKyVFGV
  hZneksIK/KdP/kpGSuVAkocPdit5zKwliMnc6/GVLpDFvU8K2QPnvYu2Jp8XBDwg
  gTu2tzHQkrm0cdCYZklKKqN9NdVLJy+6AL50+vX19nHwDdCYCvnPtH/hXxMwRnIJ
  3qibO8owPWh+q/xMld2K2OoUNWpbsxBj/r9Jxu60d429+XcIUu1hyPHG1lDKiK/n
  Z4L+7WE4Ez8sEVD0YrE9hRRbLl5Dsvi4XZrG9QIDAQABAoIBAQCFNN5+1JuCbcwK
  oDhD9fteB+pp92ZDUQ6AUCDBc6vF7tEiRjGnhf4ryA1LyDeX8qZDoUZbiRyw21Qr
  i9qzzR4u/wHp+q+rleG2iDy7/EZx1KA/BGkLdSTKrya/W35GVavXocg7gggErw80
  r0MlOQHpWR1hpAE61wjsn30HRpChwow1YZE/6cMIQN2nCJ+JGXuZDoGazYk4HwFD
  Fmrtag/FjShYUVgr4QlrPzYzcTCKX1UKQkZ9AED9Q2prKSvoD8ZxOJSaVF0FP1ty
  /i9L1I/eJEusSBPXc9v5xJjs7q8RRKZhn3TuvBHos3LDuaQKwPBe+w0vHr8ZVw5t
  tuZPiq8BAoGBAOYILkVnnrskg2qzqewHukiKnZHLi+WkJQPQzTHvVMMCEUaxF+6p
  Y58tLlaEd0uNH1ntDPya5s2y01/1eZ/8n1U1/SlqKoQ5apkC77eNBklMxixJ0xGP
  zu1bj5COba6pXdY+YcW2z7W0ubmPD3YCSD/VUD/IKXwTEAHm2J11ffM9AoGBAJeY
  hRbiSQW6GXWHu41qqIYsWfdJpy/A0qhpXjmySq1XFH/ThHDuFmn5RkZVvn7D/Pql
  GfO8E55QWjK+SLO7LBRazKP0GNmrKinVMKyo7WUgwrZy3fwEY5wcNaNFB/YL9J4M
  OSRp6eV3pnUwQI2NhzTzuHAyJgd/r+I6zMeSTn4ZAoGADGhejpHTRwbmK8g7Hycf
  jjAj5axUBHQBJx6JIutk6AvhgK2mu9HZNMnMGRCWGrYm/cPCkpGMZ4YAzsk/4ThQ
  I9mAqU43suAh9tTotz7dGvEQM21b/DOEltr8eHCmS+iIzjiZL3/33jY8Wlz0GYpv
  +Tl5VadnTXD9yQx5nKysuYUCgYA6PNy8Kth0u8a2ERvrOxNc4EL7ri7tOH11N218
  atMnfnGgnciefcjck2f880nId1CDldO/f/xlcGcGYXWanohTlYJSZh752DjNc1pM
  qmTw2cITx1MiUylVOr0caROi4XrrELUPGSVDA1FOaegSuVE89XhgmdNkRBh0p7Qt
  4zYGWQKBgFGuZgbPl76K3fj5POY5OlPusXdCCqJMHKPug+4e5mG82T1KvLFCj1PQ
  Fm0y9PoS3A8SXf+aEeLhRqVrpaU4w5RK8PqeF6IB2hpDrHJ8b+3ERU3J7/KuU8Vw
  pmwDIbjWypH4dNJgRMti+RKDb9llup6xP5Q4PQRzvUQdklSCp3D8
  -----END RSA PRIVATE KEY-----`,
  keyVer: 1,
};

const generateWalmartHeaders = () => {
  const { privateKey, consumerId, keyVer } = keyData;
  const hashList = {
    'WM_CONSUMER.ID': consumerId,
    'WM_CONSUMER.INTIMESTAMP': Date.now().toString(),
    'WM_SEC.KEY_VERSION': keyVer,
  };

  const sortedHashString = `${hashList['WM_CONSUMER.ID']}\n${hashList['WM_CONSUMER.INTIMESTAMP']}\n${hashList['WM_SEC.KEY_VERSION']}\n`;
  const signer = new NodeRSA(privateKey, 'pkcs1');
  const signature = signer.sign(sortedHashString);
  const signatureEnc = signature.toString('base64');

  return {
    'WM_SEC.AUTH_SIGNATURE': signatureEnc,
    'WM_CONSUMER.INTIMESTAMP': hashList['WM_CONSUMER.INTIMESTAMP'],
    'WM_CONSUMER.ID': hashList['WM_CONSUMER.ID'],
    'WM_SEC.KEY_VERSION': hashList['WM_SEC.KEY_VERSION'],
  };
};

export default defineEventHandler(() => {
  const options = {
    method: 'GET',
    headers: generateWalmartHeaders(), // <--- commenting this out will cause no errors
  };

  return {
    api: 'works',
    options: options,
  };
});

Anyone have any idea how I can fix this?
Stackoverflow post: https://stackoverflow.com/questions/72111954/error-exporting-a-function-when-using-nuxt3-nitro-engine