feat: add auto pipeline

lib/reconnect.js

@@ -6,7 +6,6 @@ var lazyConnect = function (client) {
   lazyConnect = require('./connect')
   lazyConnect(client)
 }
-const noop = () => {}
 
 /**
  * @description Try connecting to a server again
@@ -50,10 +49,6 @@ function reconnect (client, why, error) {
   debug('Redis connection is gone from %s event.', why)
   client.connected = false
   client.ready = false
-  // Deactivate cork to work with the offline queue
-  client.cork = noop
-  client.uncork = noop
-  client.pipeline = false
   client.pubSubMode = 0
 
   // since we are collapsing end and close, users don't expect to be called twice
@@ -108,10 +103,13 @@ function reconnect (client, why, error) {
   if (client.options.retryUnfulfilledCommands) {
     client.offlineQueue.unshift.apply(client.offlineQueue, client.commandQueue.toArray())
     client.commandQueue.clear()
-  } else if (client.commandQueue.length !== 0) {
+  // TODO: If only the pipelineQueue contains the error we could improve the situation.
+  // We could postpone writing to the stream until we connected again and fire the commands.
+  // The commands in the pipelineQueue are also not uncertain. They never left the client.
+  } else if (client.commandQueue.length !== 0 || client._pipelineQueue.length !== 0) {
     client.flushAndError('Redis connection lost and command aborted.', 'UNCERTAIN_STATE', {
       error,
-      queues: ['commandQueue']
+      queues: ['commandQueue', '_pipelineQueue']
     })
   }