Windows graphics changes

lib/wifi.js

@@ -466,21 +466,29 @@ function wifiNetworks(callback) {
         util.powerShell(cmd).then((stdout) => {
           const ssidParts = stdout.toString('utf8').split(os.EOL + os.EOL + 'SSID ');
           ssidParts.shift();
-
           ssidParts.forEach(ssidPart => {
             const ssidLines = ssidPart.split(os.EOL);
             if (ssidLines && ssidLines.length >= 8 && ssidLines[0].indexOf(':') >= 0) {
               const bssidsParts = ssidPart.split(' BSSID');
               bssidsParts.shift();
-
               bssidsParts.forEach((bssidPart) => {
-                const bssidLines = bssidPart.split(os.EOL);
+                const bssidLines = bssidPart.split(os.EOL).map(l => l.trim()).filter(Boolean);
+
+                if (!bssidLines[0] || !bssidLines[0].includes(':')) return;
+
                 const bssidLine = bssidLines[0].split(':');
                 bssidLine.shift();
                 const bssid = bssidLine.join(':').trim().toLowerCase();
-                const channel = bssidLines[3].split(':').pop().trim();
-                const quality = bssidLines[1].split(':').pop().trim();
-
+
+                const qualityLine = bssidLines.find(l => /^Signal\s*:/.test(l));
+                const channelLine = bssidLines.find(l => /^Channel\s*:/.test(l));
+
+                const quality = qualityLine ? qualityLine.split(':').pop().trim() : null;
+                const channel = channelLine ? channelLine.split(':').pop().trim() : null;
+
+                const securityLine = ssidLines[2] ? ssidLines[2].split(':').pop().trim() : '';
+                const authLine = ssidLines[3] ? ssidLines[3].split(':').pop().trim() : '';
+
                 result.push({
                   ssid: ssidLines[0].split(':').pop().trim(),
                   bssid,
@@ -489,8 +497,8 @@ function wifiNetworks(callback) {
                   frequency: wifiFrequencyFromChannel(channel),
                   signalLevel: wifiDBFromQuality(quality),
                   quality: quality ? parseInt(quality, 10) : null,
-                  security: [ssidLines[2].split(':').pop().trim()],
-                  wpaFlags: [ssidLines[3].split(':').pop().trim()],
+                  security: securityLine ? [securityLine] : [],
+                  wpaFlags: authLine ? [authLine] : [],
                   rsnFlags: []
                 });
               });