make optional

components/StyledSwitch.qml

@@ -51,5 +51,5 @@ Switch {
         }
     }
 
-    background: undefined
+    background: null
 }

modules/bar/components/Power.qml

@@ -1,7 +1,6 @@
 import qs.components
 import qs.config
 import qs.constants
-import qs.widgets
 import QtQuick
 import QtQuick.Layouts
 import Quickshell.Services.UPower
@@ -9,7 +8,7 @@ import Quickshell.Services.UPower
 StyledButton {
     id: root
     property UPowerDevice laptopBattery: UPower.devices.values.find(device => device.isLaptopBattery)
-    property bool isCritical: laptopBattery.percentage < 0.10
+    property bool isCritical: laptopBattery?.percentage < 0.10
 
     contentItem: RowLayout {
         spacing: 4
@@ -26,16 +25,16 @@ StyledButton {
             }
             font.pixelSize: 16
             text: {
-                if (root.laptopBattery.state == UPowerDeviceState.Charging) {
+                if (root.laptopBattery?.state == UPowerDeviceState.Charging) {
                     return Icons.batteryCharging;
                 }
                 if (root.isCritical) {
                     return Icons.batteryWarning;
                 }
-                if (root.laptopBattery.percentage < 0.33) {
+                if (root.laptopBattery?.percentage < 0.33) {
                     return Icons.batteryLow;
                 }
-                if (root.laptopBattery.percentage < 0.66) {
+                if (root.laptopBattery?.percentage < 0.66) {
                     return Icons.batteryMedium;
                 }
                 return Icons.batteryFull;
@@ -53,7 +52,7 @@ StyledButton {
                 }
                 return Theme.palette.basecontent;
             }
-            text: `${(root.laptopBattery.percentage.toFixed(2) * 100)}%`
+            text: `${(root.laptopBattery?.percentage.toFixed(2) * 100)}%`
         }
     }
     visible: laptopBattery