WIP ESLint fixes

virtweb_frontend/src/widgets/forms/CheckboxInput.tsx

@@ -17,7 +17,7 @@ export function CheckboxInput(p: {
         <Checkbox
           disabled={!p.editable}
           checked={p.checked}
-          onChange={(e) => p.onValueChange(e.target.checked)}
+          onChange={(e) => { p.onValueChange(e.target.checked); }}
         />
       }
       label={p.label}

virtweb_frontend/src/widgets/forms/IPInput.tsx

@@ -44,7 +44,7 @@ export function IPInputWithMask(p: {
           return;
         }
 
-        const split = v?.split("/");
+        const split = v.split("/");
         const ip =
           p.version === 4 ? sanitizeIpV4(split[0]) : sanitizeIpV6(split[0]);
         let mask = undefined;
@@ -69,7 +69,7 @@ export function IPInputWithMask(p: {
 function sanitizeIpV4(s: string | undefined): string | undefined {
   if (s === "" || s === undefined) return s;
 
-  let split = s.split(".");
+  const split = s.split(".");
   if (split.length > 4) split.splice(4);
 
   let needAnotherIteration = false;
@@ -106,7 +106,7 @@ function sanitizeIpV6(s: string | undefined): string | undefined {
       const num = parseInt(e, 16);
       if (isNaN(num)) return "0";
 
-      let s = num.toString(16);
+      const s = num.toString(16);
       if (num > 0xffff) {
         needAnotherIteration = true;
         return s.slice(0, 4) + ":" + s.slice(4);

virtweb_frontend/src/widgets/forms/MACInput.tsx

@@ -32,7 +32,7 @@ function sanitizeMacAddress(s: string | undefined): string | undefined {
       const num = parseInt(e, 16);
       if (isNaN(num)) return "0";
 
-      let s = num.toString(16).padStart(2, "0");
+      const s = num.toString(16).padStart(2, "0");
       if (num > 0xff) {
         needAnotherIteration = true;
         return s.slice(0, 2) + ":" + s.slice(2);

virtweb_frontend/src/widgets/forms/NWFConnStateInput.tsx

@@ -12,7 +12,7 @@ export function NWFConnStateInput(p: {
       label="Connection state"
       value={p.value}
       onValueChange={(s) => {
-        p.onChange?.(s as any);
+        p.onChange(s as any);
       }}
       options={[
         { label: "None", value: undefined },

virtweb_frontend/src/widgets/forms/NWFilterPriorityInput.tsx

@@ -13,7 +13,7 @@ export function NWFilterPriorityInput(p: {
       value={p.value?.toString()}
       type="number"
       onValueChange={(v) => {
-        p.onChange?.(v && v !== "" ? Number(v) : undefined);
+        p.onChange(v && v !== "" ? Number(v) : undefined);
       }}
       size={ServerApi.Config.constraints.nwfilter_priority}
       helperText="A lower priority value is accessed before one with a higher value"

virtweb_frontend/src/widgets/forms/NWFilterRules.tsx

@@ -66,9 +66,9 @@ export function NWFilterRules(p: {
             deleteRule(n);
           }}
           onGoDown={
-            n < p.rules.length - 1 ? () => swapRules(n, n + 1) : undefined
+            n < p.rules.length - 1 ? () => { swapRules(n, n + 1); } : undefined
           }
-          onGoUp={n > 0 ? () => swapRules(n, n - 1) : undefined}
+          onGoUp={n > 0 ? () => { swapRules(n, n - 1); } : undefined}
           {...p}
         />
       ))}
@@ -153,7 +153,7 @@ function NWRuleEdit(p: {
             editable={p.editable}
             onChange={p.onChange}
             selector={s}
-            onDelete={() => deleteSelector(n)}
+            onDelete={() => { deleteSelector(n); }}
           />
         ))}
       </CardContent>

virtweb_frontend/src/widgets/forms/NetDHCPHostReservations.tsx

@@ -130,7 +130,7 @@ function HostReservationWidget(p: {
             value={p.host.mac}
             onValueChange={(v) => {
               p.host.mac = v!;
-              p.onChange?.();
+              p.onChange();
             }}
           />
         )}
@@ -142,7 +142,7 @@ function HostReservationWidget(p: {
           value={p.host.ip}
           onValueChange={(v) => {
             p.host.ip = v!;
-            p.onChange?.();
+            p.onChange();
           }}
         />
       </div>

virtweb_frontend/src/widgets/forms/PortInput.tsx

@@ -12,7 +12,7 @@ export function PortInput(p: {
       value={p.value?.toString() ?? ""}
       type="number"
       onValueChange={(v) => {
-        p.onChange?.(sanitizePort(v));
+        p.onChange(sanitizePort(v));
       }}
       checkValue={(v) => Number(v) <= 65535}
     />

virtweb_frontend/src/widgets/forms/RadioGroupInput.tsx

@@ -24,7 +24,7 @@ export function RadioGroupInput(p: {
       <RadioGroup
         row
         value={p.value}
-        onChange={(_ev, v) => p.onValueChange?.(v)}
+        onChange={(_ev, v) => { p.onValueChange(v); }}
       >
         {p.options.map((o) => (
           <FormControlLabel

virtweb_frontend/src/widgets/forms/SelectInput.tsx

@@ -33,7 +33,7 @@ export function SelectInput(p: {
       <Select
         value={p.value ?? ""}
         label={p.label}
-        onChange={(e) => p.onValueChange(e.target.value)}
+        onChange={(e) => { p.onValueChange(e.target.value); }}
       >
         {p.options.map((e) => (
           <MenuItem