fixed fetch abort on timedout (react-native-netinfo#709)

Author: gizomo

src/internal/internetReachability.ts

@@ -79,9 +79,9 @@ export default class InternetReachability {
 
  // Create promise that will reject after the request timeout has been reached
  let timeoutHandle: ReturnType<typeof setTimeout>;
- const timeoutPromise = new Promise<Response>((): void => {
+ const timeoutPromise = new Promise<Response>((_, reject): void => {
  timeoutHandle = setTimeout(
- (): void => controller.abort('timedout'),
+ (): void => reject('timedout'),
  this._configuration.reachabilityRequestTimeout,
  );
  });
@@ -120,6 +120,10 @@ export default class InternetReachability {
  if ('canceled' === error) {
  controller.abort();
  } else {
+ if ('timedout' === error) {
+ controller.abort();
+ }
+ 
  this._setIsInternetReachable(false);
  this._currentTimeoutHandle = setTimeout(
  this._checkInternetReachability,