Function getOrSetAsyncId

lib/internal/async_hooks.js:430–436

(object)

}

function getOrSetAsyncId(object) {
  if (ObjectPrototypeHasOwnProperty(object, async_id_symbol)) {
    return object[async_id_symbol];
  }

  return object[async_id_symbol] = newAsyncId();
}


// Return the triggerAsyncId meant for the constructor calling it. It's up to