chore: refactor main code into smaller parts

lib/connect.js

@@ -6,6 +6,9 @@ const net = require('net')
 const reconnect = require('./reconnect')
 const onConnect = require('./readyHandler')
 const debug = require('./debug')
+const replyHandler = require('./replyHandler')
+const onResult = replyHandler.onResult
+const onError = replyHandler.onError
 
 /**
  * @description Create a new Parser instance and pass all the necessary options to it
@@ -16,10 +19,10 @@ const debug = require('./debug')
 function createParser (client) {
   return new Parser({
     returnReply (data) {
-      client.returnReply(data)
+      onResult(client, data)
     },
     returnError (err) {
-      client.returnError(err)
+      onError(client, err)
     },
     returnFatalError (err) {
       // Error out all fired commands. Otherwise they might rely on faulty data. We have to reconnect to get in a working state again