@jc-lab/jose/lib/help/asn1/rsa_public_key.js

JSON Web Almost Everything - JWA, JWS, JWE, JWK, JWT, JWKS for Node.js with minimal dependencies

module.exports = function () {
  this.seq().obj(
    this.key('n').int(),
    this.key('e').int()
  )
}