Function normalizeAlgorithm

crypto/crypto.ts:328–335

(algorithm: DigestAlgorithm)

export type DigestAlgorithm = DigestAlgorithmName | DigestAlgorithmObject;

function normalizeAlgorithm(algorithm: DigestAlgorithm) {
  return ((typeof algorithm === "string")
    ? { name: algorithm.toUpperCase() }
    : {
      ...algorithm,
      name: algorithm.name.toUpperCase(),
    }) as DigestAlgorithmObject;
}

function isBufferSource(obj: unknown): obj is BufferSource {
  return obj instanceof ArrayBuffer || ArrayBuffer.isView(obj);