Function callSubtleCryptoMethod

lib/internal/crypto/webcrypto.js:94–111

(fn, receiver, args)

// WebCrypto methods return promises, including for synchronous validation
// failures. Keep that conversion in one place so method bodies stay readable.
function callSubtleCryptoMethod(fn, receiver, args) {
  try {
    const result = ReflectApply(fn, receiver, args);
    if (isPromise(result))
      return result;
    // PromiseResolve() performs thenable assimilation for object results.
    // Shadow inherited then accessors while it resolves synchronous results.
    const shouldCleanupResult = prepareWebCryptoResult(result);
    try {
      return PromiseResolve(result);
    } finally {
      if (shouldCleanupResult)
        cleanupWebCryptoResult(result);
    }
  } catch (err) {
    return PromiseReject(err);
  }
}

const kArgumentContexts = [
  '1st argument',