@blockcerts/hashlink-verifier/src/hashlink/crypto.ts

Handling hashlinks in Blockcerts

// WebCrypto polyfill
import isomorphicCrypto from '@trust/webcrypto';
let crypto;

if (typeof self !== 'undefined' && (self.crypto || (self as any).msCrypto)) {
  crypto = self.crypto || (self as any).msCrypto;
} else {
  crypto = isomorphicCrypto;
}

export default crypto;