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

Handling hashlinks in Blockcerts

export function stringToUint8Array (data: string | Uint8Array): Uint8Array {
  if (typeof data === 'string') {
    // convert data to Uint8Array
    return new TextEncoder().encode(data);
  }
  if (!(data instanceof Uint8Array)) {
    throw new TypeError('"data" be a string or Uint8Array.');
  }
  return data;
}