Function makeAppropriateNetworkError

deps/undici/src/lib/web/fetch/response.js:480–489

(fetchParams, err = null)

// https://fetch.spec.whatwg.org/#appropriate-network-error
function makeAppropriateNetworkError (fetchParams, err = null) {
  // 1. Assert: fetchParams is canceled.
  assert(isCancelled(fetchParams))

  // 2. Return an aborted network error if fetchParams is aborted;
  // otherwise return a network error.
  return isAborted(fetchParams)
    ? makeNetworkError(Object.assign(new DOMException('The operation was aborted.', 'AbortError'), { cause: err }))
    : makeNetworkError(Object.assign(new DOMException('Request was cancelled.'), { cause: err }))
}

// https://whatpr.org/fetch/1392.html#initialize-a-response
function initializeResponse (response, init, body) {