Function promiseRejectHandler

lib/internal/process/promises.js:158–172

* @param {0|1|2|3} type * @param {Promise} promise * @param {Error} reason

(type, promise, reason)

 * @param {Error} reason
 */
function promiseRejectHandler(type, promise, reason) {
  if (unhandledRejectionsMode === undefined) {
    unhandledRejectionsMode = getUnhandledRejectionsMode();
  }
  // kPromiseRejectAfterResolved and kPromiseResolveAfterResolved are
  // filtered out in C++ (src/node_task_queue.cc) and never reach JS.
  switch (type) {
    case kPromiseRejectWithNoHandler: // 0
      unhandledRejection(promise, reason);
      break;
    case kPromiseHandlerAddedAfterReject: // 1
      handledRejection(promise);
      break;
  }
}

/**
 * @param {Promise} promise