Function onAbort

packages/zone.js/lib/common/events.ts:669–669

()

          // primarily used for preventing strong references cycles. `onAbort` is always reachable
          // as it's an event listener, so its closure retains a strong reference to the `task`.
          const onAbort = () => task.zone.cancelTask(task);
          nativeListener.call(signal, 'abort', onAbort, {once: true});
          // We need to remove the `abort` listener when the event listener is going to be removed,
          // as it creates a closure that captures `task`. This closure retains a reference to the