bencevans · bencevans · Dec 1, 2025 · Dec 1, 2025 · Dec 1, 2025
diff --git a/examples/nowplayingwebsite.js b/examples/nowplayingwebsite.js
@@ -1,17 +1,17 @@
-var http = require('http')
-var Sonos = require('../').Sonos
+const http = require('http')
+const Sonos = require('../').Sonos
 
-var sonos = new Sonos(process.env.SONOS_HOST || '192.168.2.11')
+const sonos = new Sonos(process.env.SONOS_HOST || '192.168.2.11')
 
-var server = http.createServer(async function (req, res) {
-  var track = await sonos.currentTrack()
+const server = http.createServer(async function (req, res) {
+  const track = await sonos.currentTrack()
   res.writeHead(200, {
     'Content-Type': 'text/html'
   })
 
-  var rows = []
+  const rows = []
 
-  for (var key in track) {
+  for (const key in track) {
     if (key === 'albumArtURL') {
       rows.push('<tr><th>' + key + '</th><td><img src="' + track[key] + '"/></td></tr>')
     } else {

diff --git a/examples/playSpotifyMusic.js b/examples/playSpotifyMusic.js
@@ -24,7 +24,7 @@ sonos.setSpotifyRegion(Regions.EU)
 // your Sonos system.
 
 // var spotifyUri = 'spotify:artistTopTracks:72qVrKXRp9GeFQOesj0Pmv'
-var spotifyUri = 'spotify:track:6sYJuVcEu4gFHmeTLdHzRz'
+const spotifyUri = 'spotify:track:6sYJuVcEu4gFHmeTLdHzRz'
 
 sonos.play(spotifyUri)
   .then(success => {

diff --git a/examples/searchinfo.js b/examples/searchinfo.js
@@ -1,9 +1,9 @@
-var sonos = require('../index')
+const sonos = require('../index')
 
 console.log('\nSearching for Sonos devices on network...')
 
 sonos.DeviceDiscovery(function (device, model) {
-  var devInfo = '\n'
+  let devInfo = '\n'
   devInfo += 'Device \t' + JSON.stringify(device) + ' (' + model + ')\n'
   device.getZoneAttrs(function (err, attrs) {
     if (err) devInfo += '`- failed to retrieve zone attributes\n'

diff --git a/examples/switchToLineIn.js b/examples/switchToLineIn.js
@@ -4,11 +4,11 @@ const sonos = new Sonos(process.env.SONOS_HOST || '192.168.96.223')
 sonos.getZoneInfo().then(data => {
   // console.log('Got zone info %j', data)
   // The mac is needed for switch to a different channel
-  var macCleaned = data.MACAddress.replace(/:/g, '')
+  const macCleaned = data.MACAddress.replace(/:/g, '')
   console.log('Cleaned mac %j', macCleaned)
 
   // To switch on a playbar do the following
-  var uri = 'x-sonos-htastream:RINCON_' + macCleaned + '01400:spdif'
+  const uri = 'x-sonos-htastream:RINCON_' + macCleaned + '01400:spdif'
 
   // To switch on a Play:5 and Connect do the following
   // var uri = 'x-rincon-stream:RINCON_' + macCleaned + '01400'

diff --git a/lib/deviceDiscovery.js b/lib/deviceDiscovery.js
@@ -16,19 +16,19 @@ const Sonos = require('./sonos').Sonos
  * @class DeviceDiscovery
  * @emits 'DeviceAvailable' on a Sonos Component Discovery
  */
-var DeviceDiscovery = function DeviceDiscovery (options) {
-  var self = this
+const DeviceDiscovery = function DeviceDiscovery (options) {
+  const self = this
   self.foundSonosDevices = {}
   self.onTimeout = function () {
     clearTimeout(self.pollTimer)
   }
-  var PLAYER_SEARCH = Buffer.from(['M-SEARCH * HTTP/1.1',
+  const PLAYER_SEARCH = Buffer.from(['M-SEARCH * HTTP/1.1',
     'HOST: 239.255.255.250:1900',
     'MAN: ssdp:discover',
     'MX: 1',
     'ST: urn:schemas-upnp-org:device:ZonePlayer:1'].join('\r\n'))
-  var sendDiscover = function () {
-    ['239.255.255.250', '255.255.255.255'].map(function (addr) {
+  const sendDiscover = function () {
+    ['239.255.255.250', '255.255.255.255'].forEach(function (addr) {
       self.socket.send(PLAYER_SEARCH, 0, PLAYER_SEARCH.length, 1900, addr)
     })
     // Periodically send discover packet to find newly added devices
@@ -40,11 +40,11 @@ var DeviceDiscovery = function DeviceDiscovery (options) {
   this.socket = dgram.createSocket('udp4', function (buffer, rinfo) {
     buffer = buffer.toString()
     if (buffer.match(/.+Sonos.+/)) {
-      var modelCheck = buffer.match(/SERVER.*\((.*)\)/)
-      var model = (modelCheck.length > 1 ? modelCheck[1] : null)
-      var addr = rinfo.address
+      const modelCheck = buffer.match(/SERVER.*\((.*)\)/)
+      const model = (modelCheck.length > 1 ? modelCheck[1] : null)
+      const addr = rinfo.address
       if (!(addr in self.foundSonosDevices)) {
-        var sonos = self.foundSonosDevices[addr] = new Sonos(addr)
+        const sonos = self.foundSonosDevices[addr] = new Sonos(addr)
         self.emit('DeviceAvailable', sonos, model)
       }
     }
@@ -92,14 +92,14 @@ DeviceDiscovery.prototype.destroy = function (callback) {
    * @param  {Function} listener Optional 'DeviceAvailable' listener (sonos)
    * @return {DeviceDiscovery}
    */
-var deviceDiscovery = function (options, listener) {
+const deviceDiscovery = function (options, listener) {
   if (typeof options === 'function') {
     listener = options
     options = null
   }
   options = options || {}
   listener = listener || null
-  var search = new DeviceDiscovery(options)
+  const search = new DeviceDiscovery(options)
   if (listener !== null) {
     search.on('DeviceAvailable', listener)
   }

diff --git a/lib/events/adv-listener.js b/lib/events/adv-listener.js
@@ -81,7 +81,7 @@ class SonosListener extends EventEmitter {
       const cancel = function (s) {
         return s.cancelAllSubscriptions()
       }
-      var cancelAll = this._deviceSubscriptions.map(cancel)
+      const cancelAll = this._deviceSubscriptions.map(cancel)
       return Promise.all(cancelAll)
     } else {
       return new Promise((resolve, reject) => { reject(new Error('Not listening')) })
@@ -218,7 +218,7 @@ class DeviceSubscription {
         const sid = resp.headers.sid
         debug('Got %s for %s', sid, endpoint)
         this._startTimer()
-        this.subscriptions[sid] = { endpoint: endpoint, renew_at: this.headerToDateTime(resp.headers.timeout) }
+        this.subscriptions[sid] = { endpoint, renew_at: this.headerToDateTime(resp.headers.timeout) }
         return sid
       })
   }
@@ -329,7 +329,7 @@ class DeviceSubscription {
       url: 'http://' + this.device.host + ':' + this.device.port + this.subscriptions[sid].endpoint,
       method: 'UNSUBSCRIBE',
       headers: {
-        sid: sid
+        sid
       }
     }).then(result => {
       debug('Cancelled subscription %s for %s', sid, this.device.host)
@@ -342,7 +342,7 @@ class DeviceSubscription {
    * @param {String} timeout TimeOut header
    */
   headerToDateTime (timeout) {
-    var seconds
+    let seconds
 
     if ((!!timeout) && (timeout.indexOf('Second-') === 0)) timeout = timeout.substr(7)
     seconds = (((!!timeout) && (!isNaN(timeout))) ? parseInt(timeout, 10) : 3600) - 15

diff --git a/lib/events/eventParser.js b/lib/events/eventParser.js
@@ -1,4 +1,3 @@
-
 const Helpers = require('../helpers')
 const debug = require('debug')('sonos-listener')
 const SonosGroup = require('../sonosGroup')
@@ -97,7 +96,7 @@ EventParser._parseRenderingControlEvent = async function (body, device) {
 }
 
 EventParser._genericEvent = function (endpoint, body, device) {
-  const event = { name: 'UnknownEvent', endpoint: endpoint, eventBody: body }
+  const event = { name: 'UnknownEvent', endpoint, eventBody: body }
   if (device) {
     device.emit(event.name, event)
   }

diff --git a/lib/helpers.js b/lib/helpers.js
@@ -12,7 +12,7 @@ const parseString = require('xml2js').parseString
  * Helper class
  * @class Helpers
  */
-var Helpers = {}
+const Helpers = {}
 
 /**
  * Wrap in UPnP Envelope
@@ -87,15 +87,15 @@ Helpers.GenerateCustomMetadata = function (streamUrl, itemId, duration = '00:00:
  * @return {Object} { uri: uri, metadata: metadata }
  */
 Helpers.GenerateLocalMetadata = function (uri, artUri = '') {
-  var title = ''
-  var match = /.*\/(.*)$/g.exec(uri.replace(/\.[a-zA-Z0-9]{3}$/, ''))
+  let title = ''
+  const match = /.*\/(.*)$/g.exec(uri.replace(/\.[a-zA-Z0-9]{3}$/, ''))
   if (match) {
     title = match[1]
   }
-  var meta = '<DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns:r="urn:schemas-rinconnetworks-com:metadata-1-0/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"><item id="##ITEMID##" parentID="##PARENTID##" restricted="true"><dc:title>##RESOURCETITLE##</dc:title><upnp:class>##UPNPCLASS##</upnp:class><upnp:albumArtURI>##ARTURI##</upnp:albumArtURI><desc id="cdudn" nameSpace="urn:schemas-rinconnetworks-com:metadata-1-0/">##REGION##</desc></item></DIDL-Lite>'
+  const meta = '<DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns:r="urn:schemas-rinconnetworks-com:metadata-1-0/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"><item id="##ITEMID##" parentID="##PARENTID##" restricted="true"><dc:title>##RESOURCETITLE##</dc:title><upnp:class>##UPNPCLASS##</upnp:class><upnp:albumArtURI>##ARTURI##</upnp:albumArtURI><desc id="cdudn" nameSpace="urn:schemas-rinconnetworks-com:metadata-1-0/">##REGION##</desc></item></DIDL-Lite>'
   if (uri.startsWith('x-file-cifs')) {
     return {
-      uri: uri,
+      uri,
       metadata: meta.replace('##ITEMID##', uri.replace('x-file-cifs', 'S').replace(/\s/g, '%20'))
         .replace('##RESOURCETITLE##', title.replace('%20', ' '))
         .replace('##UPNPCLASS##', Helpers.GetUpnpClass('A:TRACKS'))
@@ -105,11 +105,11 @@ Helpers.GenerateLocalMetadata = function (uri, artUri = '') {
     }
   }
   if (uri.startsWith('x-rincon-playlist')) {
-    var parentMatch = /.*#(.*)\/.*/g.exec(uri)
-    var parentID = parentMatch[1]
+    const parentMatch = /.*#(.*)\/.*/g.exec(uri)
+    const parentID = parentMatch[1]
 
     return {
-      uri: uri,
+      uri,
       metadata: meta.replace('##ITEMID##', `${parentID}/${title.replace(/\s/g, '%20')}`)
         .replace('##RESOURCETITLE##', title.replace('%20', ' '))
         .replace('##UPNPCLASS##', Helpers.GetUpnpClass(parentID))
@@ -118,7 +118,7 @@ Helpers.GenerateLocalMetadata = function (uri, artUri = '') {
         .replace('##REGION##', 'RINCON_AssociatedZPUDN')
     }
   }
-  return { uri: uri, metadata: '' }
+  return { uri, metadata: '' }
 }
 
 /**
@@ -129,15 +129,15 @@ Helpers.GenerateLocalMetadata = function (uri, artUri = '') {
  * @return {Object} options       {uri: Spotify uri, metadata: metadata}
  */
 Helpers.GenerateMetadata = function (uri, title = '', region = '3079') {
-  var parts = uri.split(':')
+  const parts = uri.split(':')
   if (!((parts.length === 2 && (parts[0] === 'radio' || parts[0] === 'x-sonosapi-stream' || parts[0] === 'x-rincon-cpcontainer')) || (parts.length >= 3 && parts[0] === 'spotify'))) {
     debug('Returning string because it isn\'t recognized')
     return Helpers.GenerateLocalMetadata(uri)
   }
-  var meta = '<DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns:r="urn:schemas-rinconnetworks-com:metadata-1-0/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"><item id="##SPOTIFYURI##" ##PARENTID##restricted="true"><dc:title>##RESOURCETITLE##</dc:title><upnp:class>##SPOTIFYTYPE##</upnp:class><desc id="cdudn" nameSpace="urn:schemas-rinconnetworks-com:metadata-1-0/">##REGION##</desc></item></DIDL-Lite>'
+  let meta = '<DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns:r="urn:schemas-rinconnetworks-com:metadata-1-0/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"><item id="##SPOTIFYURI##" ##PARENTID##restricted="true"><dc:title>##RESOURCETITLE##</dc:title><upnp:class>##SPOTIFYTYPE##</upnp:class><desc id="cdudn" nameSpace="urn:schemas-rinconnetworks-com:metadata-1-0/">##REGION##</desc></item></DIDL-Lite>'
 
   if (parts[0] === 'radio' || parts[0] === 'x-sonosapi-stream') {
-    var radioTitle = title || 'TuneIn Radio'
+    const radioTitle = title || 'TuneIn Radio'
     if (parts[0] === 'radio') {
       return {
         uri: 'x-sonosapi-stream:' + parts[1] + '?sid=254&flags=8224&sn=0',
@@ -150,7 +150,7 @@ Helpers.GenerateMetadata = function (uri, title = '', region = '3079') {
     } else {
       const itemId = parts[1].split('?')[0]
       return {
-        uri: uri,
+        uri,
         metadata: meta.replace('##SPOTIFYURI##', 'F00092020' + itemId)
           .replace('##RESOURCETITLE##', radioTitle)
           .replace('##SPOTIFYTYPE##', 'object.item.audioItem.audioBroadcast')
@@ -161,7 +161,7 @@ Helpers.GenerateMetadata = function (uri, title = '', region = '3079') {
   } else {
     meta = meta.replace('##REGION##', 'SA_RINCON' + region + '_X_#Svc' + region + '-0-Token')
   }
-  var spotifyUri = uri.replace(/:/g, '%3a')
+  const spotifyUri = uri.replace(/:/g, '%3a')
 
   if (uri.startsWith('spotify:track:')) { // Just one track
     return {
@@ -204,8 +204,8 @@ Helpers.GenerateMetadata = function (uri, title = '', region = '3079') {
         .replace('##PARENTID##', 'parentID="10082664playlists" ')
     }
   } else if (uri.startsWith('spotify:artistRadio:')) { // Artist radio
-    var spotifyTitle = title || 'Artist Radio'
-    var parentId = spotifyUri.replace('artistRadio', 'artist')
+    const spotifyTitle = title || 'Artist Radio'
+    const parentId = spotifyUri.replace('artistRadio', 'artist')
     return {
       uri: 'x-sonosapi-radio:' + spotifyUri + '?sid=12&flags=8300&sn=5',
       metadata: meta.replace('##SPOTIFYURI##', '100c206c' + spotifyUri)
@@ -226,7 +226,7 @@ Helpers.GenerateMetadata = function (uri, title = '', region = '3079') {
   } else if (uri.startsWith('x-rincon-cpcontainer:100d206cuser-fav')) { // Sound Cloud likes
     const id = uri.replace('x-rincon-cpcontainer:', '')
     return {
-      uri: uri,
+      uri,
       metadata: meta.replace('##SPOTIFYURI##', id)
         .replace('##RESOURCETITLE##', title || 'Sound Cloud Likes')
         .replace('##SPOTIFYTYPE##', 'object.container.albumList')
@@ -236,15 +236,15 @@ Helpers.GenerateMetadata = function (uri, title = '', region = '3079') {
   } else if (uri.startsWith('x-rincon-cpcontainer:1006206cplaylist')) { // Sound Cloud playlists
     const [id] = uri.replace('x-rincon-cpcontainer:', '').split('?')
     return {
-      uri: uri,
+      uri,
       metadata: meta.replace('##SPOTIFYURI##', id)
         .replace('##RESOURCETITLE##', title || 'Sound Cloud Playlist')
         .replace('##SPOTIFYTYPE##', 'object.container.playlistContainer')
         .replace('##PARENTID##', '')
         .replace(`SA_RINCON${region}_X_#Svc${region}-0-Token`, 'SA_RINCON40967_X_#Svc40967-0-Token')
     }
   } else {
-    return { uri: uri, metadata: '' }
+    return { uri, metadata: '' }
   }
 }
 

diff --git a/lib/services/AVTransport.js b/lib/services/AVTransport.js
@@ -192,18 +192,20 @@ class AVTransport extends Service {
         const trackUri = result.TrackURI || null
         const queuePosition = parseInt(result.Track)
         if (result.TrackMetaData && result.TrackMetaData !== 'NOT_IMPLEMENTED') { // There is some metadata, lets parse it.
-          var metadata = await Helpers.ParseXml(result.TrackMetaData)
+          const metadata = await Helpers.ParseXml(result.TrackMetaData)
           const track = Helpers.ParseDIDL(metadata)
           track.position = position
           track.duration = duration
-          track.albumArtURL = !track.albumArtURI ? null
-            : track.albumArtURI.startsWith('http') ? track.albumArtURI
+          track.albumArtURL = !track.albumArtURI
+            ? null
+            : track.albumArtURI.startsWith('http')
+              ? track.albumArtURI
               : 'http://' + this.host + ':' + this.port + track.albumArtURI
           if (trackUri) track.uri = trackUri
           track.queuePosition = queuePosition
           return track
         } else { // No metadata.
-          return { position: position, duration: duration, queuePosition: queuePosition, uri: trackUri }
+          return { position, duration, queuePosition, uri: trackUri }
         }
       })
   }

diff --git a/lib/services/ContentDirectory.js b/lib/services/ContentDirectory.js
@@ -58,7 +58,7 @@ class ContentDirectory extends Service {
           returned: data.NumberReturned,
           total: data.TotalMatches,
           updateID: data.UpdateID,
-          items: items
+          items
         }
       })
   }

diff --git a/lib/services/Service.js b/lib/services/Service.js
@@ -52,7 +52,7 @@ class Service {
         })
       }
       messageBody += `</u:${action}>`
-      var responseTag = `u:${action}Response`
+      const responseTag = `u:${action}Response`
       request({
         url: 'http://' + this.host + ':' + this.port + this.controlURL,
         method: 'POST',