chore: refactor parts out of the index.js file

lib/individualCommands.js

@@ -3,6 +3,7 @@
 const debug = require('./debug')
 const Multi = require('./multi')
 const Command = require('./command')
+const utils = require('./utils')
 const noPasswordIsSet = /no password is set/
 const RedisClient = require('../').RedisClient
 
@@ -21,11 +22,11 @@ const RedisClient = require('../').RedisClient
  TODO: Implement hooks to replace this. Most of these things are perfect for hooks
 ********************************************************************************************/
 
-function selectCallback (self, db) {
+function selectCallback (client, db) {
   return function (err, res) {
     if (err === null) {
       // Store db in this.selectDb to restore it on reconnect
-      self.selectedDb = db
+      client.selectedDb = db
     }
     return err || res
   }
@@ -66,11 +67,11 @@ Multi.prototype.monitor = function monitor () {
   return this
 }
 
-function quitCallback (self) {
+function quitCallback (client) {
   return function (err, res) {
-    if (self.stream.writable) {
+    if (client._stream.writable) {
       // If the socket is still alive, kill it. This could happen if quit got a NR_CLOSED error code
-      self.stream.destroy()
+      client._stream.destroy()
     }
     if (err && err.code === 'NR_CLOSED') {
       // Pretend the quit command worked properly in this case.
@@ -106,10 +107,10 @@ Multi.prototype.quit = function quit () {
   return this
 }
 
-function infoCallback (self) {
+function infoCallback (client) {
   return function (err, res) {
     if (err) {
-      self.serverInfo = {}
+      client.serverInfo = {}
       return err
     }
 
@@ -139,7 +140,7 @@ function infoCallback (self) {
       })
     }
     // Expose info key/values to users
-    self.serverInfo = obj
+    client.serverInfo = obj
     return res
   }
 }
@@ -156,11 +157,11 @@ Multi.prototype.info = function info (section) {
   return this
 }
 
-function authCallback (self, pass) {
+function authCallback (client, pass) {
   return function (err, res) {
     if (err) {
       if (noPasswordIsSet.test(err.message)) {
-        self.warn('Warning: Redis server does not require a password, but a password was supplied.')
+        utils.warn(client, 'Warning: Redis server does not require a password, but a password was supplied.')
         return 'OK' // TODO: Fix this
       }
       return err