fix: having no wifi crashes network module

astal/widget/network.tsx

@@ -1,26 +1,47 @@
 import { bind, Variable } from "astal";
 import AstalNetwork from "gi://AstalNetwork?version=0.1";
 
-export default function NetworkModule() {
-  const network = AstalNetwork.get_default()
-  const wifi = network.wifi;
-  const wired = network.wired
+const disconnected_label = { label: `Disconnected ⚠` };
 
-  const derived = Variable.derive([bind(network, "primary"), bind(wifi, "ssid"), bind(wifi, "strength")], (primary, ssid, strength) => {
-    if (primary === AstalNetwork.Primary.WIRED) {
-      return { label: `🖧 Wired ${wired.device.interface}` }
-    }
-    if (wifi.active_access_point !== null) {
-      return { label: `${ssid} (${strength}%) ` }
-    }
-    return { label: `Disconnected ⚠` }
-  })
+function create_label(
+  primary: AstalNetwork.Primary,
+  wired: AstalNetwork.Wired,
+  wifi?: AstalNetwork.Wifi,
+) {
+  if (primary === AstalNetwork.Primary.WIRED) {
+    return { label: `🖧 Wired ${wired.device.interface}` };
+  }
+  if (!wifi) {
+    return disconnected_label;
+  }
+  if (wifi.active_access_point !== null) {
+    return { label: `${wifi.ssid} (${wifi.strength}%) ` };
+  }
+  return disconnected_label;
+}
+
+export default function NetworkModule() {
+  const network = AstalNetwork.get_default();
+  const wifi = network.wifi;
+  const wired = network.wired;
+
+  let derived;
+  if (!wifi) {
+    derived = Variable.derive([bind(network, "primary")], (primary) => {
+      return create_label(primary, wired);
+    });
+  } else {
+    derived = Variable.derive(
+      [bind(network, "primary"), bind(wifi, "ssid"), bind(wifi, "strength")],
+      (primary) => {
+        return create_label(primary, wired, wifi);
+      },
+    );
+  }
 
   return (
     <box className="status-box">
-      <label
-        label={derived((v) => v.label)} />
+      <label label={derived((v) => v.label)} />
     </box>
-  )
+  );
 }
-