Update FCM.js

Author: mtrezza

src/FCM.js

@@ -144,6 +144,26 @@ FCM.prototype.send = function (data, devices) {
     log.error(LOG_PREFIX, `error sending push: ${err}`);
   });
 
+  // const allPromises = Promise.all(
+  //   slices.map(slice =>
+  //     new Promise((resolve, reject) => {
+  //       try {
+  //         sendToDeviceSlice(slice, this.pushType)
+  //           .then(resolve)
+  //           .catch((err) => {
+  //             log.error(LOG_PREFIX, `error sending push (rejected by client): ${err}`);
+  //             reject(err);
+  //           });
+  //       } catch (err) {
+  //         log.error(LOG_PREFIX, `error sending push (unhandled by client): ${err}`);
+  //         reject(err);
+  //       }
+  //     })
+  //   )
+  // ).catch(err => {
+  //   log.error(LOG_PREFIX, `error sending push: ${err}`);
+  // });
+
   return allPromises;
 };