Function refreshCompositeSignal

lib/internal/abort_controller.js:140–157

(signal)

}

function refreshCompositeSignal(signal) {
  if (!signal[kComposite] || signal[kAborted] || !signal[kSourceSignals]?.size) {
    return;
  }

  for (const sourceSignalWeakRef of signal[kSourceSignals]) {
    const sourceSignal = sourceSignalWeakRef.deref();
    if (sourceSignal === undefined) {
      signal[kSourceSignals].delete(sourceSignalWeakRef);
      continue;
    }

    if (sourceSignal.aborted) {
      abortSignal(signal, sourceSignal.reason);
      return;
    }
  }
}

function followCompositeSignal(signal) {
  if (signal[kFollowing] || signal[kAborted] || !signal[kSourceSignals]?.size) {