chore - remove standard and use individual config

Standard is not as up to date and still uses a old eslint version.
Instead, use the airbnb default with a couple of modifications.

All required changes are included.

lib/readyHandler.js

@@ -4,7 +4,7 @@ const Command = require('./command')
 const debug = require('./debug')
 const utils = require('./utils')
 
-function onConnect (client) {
+function onConnect(client) {
   debug('Stream connected %s id %s', client.address, client.connectionId)
 
   // TODO: Check if the clients prototype and the clients instance have
@@ -30,7 +30,7 @@ function onConnect (client) {
  *
  * @param {RedisClient} client
  */
-function sendOfflineQueue (client) {
+function sendOfflineQueue(client) {
   const queue = client.offlineQueue
   while (queue.length) {
     const command = queue.shift()
@@ -47,7 +47,7 @@ function sendOfflineQueue (client) {
  *
  * @param {RedisClient} client
  */
-function readyHandler (client) {
+function readyHandler(client) {
   debug('readyHandler called %s id %s', client.address, client.connectionId)
   client.ready = true
 
@@ -79,16 +79,16 @@ function readyHandler (client) {
   // }
   if (!client._options.disableResubscribing && callbackCount) {
     debug('Sending pub/sub commands')
-    for (const key in client._subscriptionSet) {
-      if (client._subscriptionSet.hasOwnProperty(key)) {
-        const command = key.slice(0, key.indexOf('_'))
-        const args = client._subscriptionSet[key]
-        client[command]([args]).catch((err) => {
-          if (!client._closing) {
-            process.nextTick(client.emit, 'error', err)
-          }
-        })
-      }
+    const keys = Object.keys(client._subscriptionSet)
+    for (var i = 0; i < keys.length; i++) {
+      const key = keys[i]
+      const command = key.slice(0, key.indexOf('_'))
+      const args = client._subscriptionSet[key]
+      client[command]([args]).catch((err) => {
+        if (!client._closing) {
+          process.nextTick(client.emit, 'error', err)
+        }
+      })
     }
   }
   sendOfflineQueue(client)
@@ -100,7 +100,7 @@ function readyHandler (client) {
  *
  * @param {RedisClient} client
  */
-function readyCheck (client) {
+function readyCheck(client) {
   debug('Checking server ready state...')
   // Always fire client info command as first command even if other commands are already queued up
   client.ready = true
@@ -112,7 +112,9 @@ function readyCheck (client) {
     }
 
     const persistence = client.serverInfo.persistence
-    if (persistence === undefined || persistence.loading === undefined || persistence.loading === 0) {
+    if (persistence === undefined ||
+      persistence.loading === undefined ||
+      persistence.loading === 0) {
       // If the master_link_status exists but the link is not up, try again after 50 ms
       const replication = client.serverInfo.replication
       if (replication && typeof replication.master_link_status === 'string' && replication.master_link_status !== 'up') {
@@ -125,12 +127,12 @@ function readyCheck (client) {
       }
     }
 
-    var retryTime = +persistence.loading_eta_seconds * 1000
+    let retryTime = +persistence.loading_eta_seconds * 1000
     if (retryTime > 1000) {
       retryTime = 1000
     }
     debug('Redis server still loading, trying again in %s', retryTime)
-    setTimeout((client) => readyCheck(client), retryTime, client)
+    setTimeout(client => readyCheck(client), retryTime, client)
   }).catch((err) => {
     if (client._closing) {
       return
@@ -142,7 +144,6 @@ function readyCheck (client) {
     }
     err.message = `Ready check failed: ${err.message}`
     client.emit('error', err)
-    return
   })
   client.ready = false
 }