chore: commit local changes

frontend/src/hooks/useJailFileConfig.ts

@@ -2,7 +2,7 @@
  * React hook for loading and updating a single parsed jail.d config file.
  */
 
-import { useCallback, useEffect, useRef, useState } from "react";
+import { useConfigItem } from "./useConfigItem";
 import { fetchParsedJailFile, updateParsedJailFile } from "../api/config";
 import type { JailFileConfig, JailFileConfigUpdate } from "../types/config";
 
@@ -21,56 +21,23 @@ export interface UseJailFileConfigResult {
  * @param filename - Filename including extension (e.g. ``"sshd.conf"``).
  */
 export function useJailFileConfig(filename: string): UseJailFileConfigResult {
-  const [config, setConfig] = useState<JailFileConfig | null>(null);
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState<string | null>(null);
-  const abortRef = useRef<AbortController | null>(null);
+  const { data, loading, error, refresh, save } = useConfigItem<
+    JailFileConfig,
+    JailFileConfigUpdate
+  >({
+    fetchFn: () => fetchParsedJailFile(filename),
+    saveFn: (update) => updateParsedJailFile(filename, update),
+    mergeOnSave: (prev, update) =>
+      update.jails != null && prev
+        ? { ...prev, jails: { ...prev.jails, ...update.jails } }
+        : prev,
+  });
 
-  const load = useCallback((): void => {
-    abortRef.current?.abort();
-    const ctrl = new AbortController();
-    abortRef.current = ctrl;
-    setLoading(true);
-    setError(null);
-
-    fetchParsedJailFile(filename)
-      .then((data) => {
-        if (!ctrl.signal.aborted) {
-          setConfig(data);
-          setLoading(false);
-        }
-      })
-      .catch((err: unknown) => {
-        if (!ctrl.signal.aborted) {
-          setError(err instanceof Error ? err.message : "Failed to load jail file config");
-          setLoading(false);
-        }
-      });
-  }, [filename]);
-
-  useEffect(() => {
-    load();
-    return (): void => {
-      abortRef.current?.abort();
-    };
-  }, [load]);
-
-  const save = useCallback(
-    async (update: JailFileConfigUpdate): Promise<void> => {
-      try {
-        await updateParsedJailFile(filename, update);
-        // Optimistically merge updated jails into local state.
-        if (update.jails != null) {
-          setConfig((prev) =>
-            prev ? { ...prev, jails: { ...prev.jails, ...update.jails } } : prev
-          );
-        }
-      } catch (err: unknown) {
-        throw err instanceof Error ? err : new Error("Failed to save jail file config");
-      }
-    },
-    [filename]
-  );
-
-  return { config, loading, error, refresh: load, save };
+  return {
+    config: data,
+    loading,
+    error,
+    refresh,
+    save,
+  };
 }