Generating self-signed certificate with subject alternate name using `selfsigned`

index.js

import { createServer } from 'https';
import { generate } from 'selfsigned';

const certAttrs = [{ name: 'commonName', value: 'www.compulim.com' }];
const certOptions = {
  // Options copied from default values
  // https://github.com/jfromaniello/selfsigned/blob/master/index.js#L85
  extensions: [
    {
      name: 'subjectAltName',
      altNames: ['abc.compulim.com', 'xyz.compulim.com']
    },
    {
      name: 'basicConstraints',
      cA: true
    },
    {
      name: 'keyUsage',
      keyCertSign: true,
      digitalSignature: true,
      nonRepudiation: true,
      keyEncipherment: true,
      dataEncipherment: true
    }
  ]
};

const { cert, private: key } = generate(certAttrs, certOptions);

createServer({ cert, key }).listen(443);