Generate Ed25519 did:key in JSONWebKey format for usage in Hyperledger Aries

generate.js

// using https://github.com/transmute-industries/did-key.js
// via https://www.npmjs.com/package/@transmute/did-key-ed25519

const main = async function() {

	const k = await require('@transmute/did-key-ed25519').Ed25519KeyPair.generate({
	  secureRandom: () => {
	    return Buffer.from(
	      require('crypto').randomBytes(32),
	      'hex'
	    );
	  },
	});
	const exportedKeyPair = await k.export({
	  type: 'JsonWebKey2020',
	  privateKey: true,
	});

	console.log(exportedKeyPair);

}

main();

used by e.g. https://github.com/krakenh2020/EduPilotBackendBundle/blob/master/.github/helper/kms_init.py