wifiNetworks() refactored parsing (macOS)

lib/wifi.js

@@ -345,7 +345,7 @@ function getWifiNetworkListIw(iface) {
   }
 }
 
-function parseWifiDarwin(wifiObj) {
+function parseWifiDarwinXX(wifiObj) {
   const result = [];
   if (wifiObj) {
     wifiObj.forEach(function (wifiItem) {
@@ -397,7 +397,7 @@ function parseWifiDarwin(wifiObj) {
   return result;
 }
 
-function parseWifi2Darwin(wifiStr) {
+function parseWifiDarwin(wifiStr) {
   const result = [];
   try {
     let wifiObj = JSON.parse(wifiStr);
@@ -418,15 +418,16 @@ function parseWifi2Darwin(wifiStr) {
         security.push('WPA3');
       }
       const channelInfo = new RegExp(/(\d+) \((\d)GHz, (\d+)MHz\)/g).exec(wifiItem.spairport_network_channel);
+      const signalLevel = wifiItem.spairport_signal_noise || null;
 
       result.push({
         ssid: wifiItem._name || '',
-        bssid: '',
+        bssid: wifiItem.spairport_network_bssid || '',
         mode: wifiItem.spairport_network_phymode,
         channel: parseInt(channelInfo[0].split(' ')[0]),
         frequency: wifiFrequencyFromChannel(channelInfo[1]),
-        signalLevel: null,
-        quality: null,
+        signalLevel: signalLevel ? parseInt(signalLevel, 10) : null,
+        quality: wifiQualityFromDB(signalLevel),
         security,
         wpaFlags: [],
         rsnFlags: []
@@ -500,15 +501,9 @@ function wifiNetworks(callback) {
           resolve(result);
         }
       } else if (_darwin) {
-        let cmd = '/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -s -x  >2 /dev/bull; echo "######"; system_profiler -json SPAirPortDataType';
+        let cmd = 'system_profiler SPAirPortDataType -json 2>/dev/null';
         exec(cmd, { maxBuffer: 1024 * 40000 }, function (error, stdout) {
-          const output = stdout.toString();
-          const parts = output.split('######');
-          if (parts[0]) {
-            result = parseWifiDarwin(util.plistParser(parts[0]));
-          } else {
-            result = parseWifi2Darwin(parts[1]);
-          }
+          result = parseWifiDarwin(stdout.toString());
           if (callback) {
             callback(result);
           }