拆分菜单 通过url区分访问

src/modules/energy/useHashSubTab.ts

@@ -0,0 +1,38 @@
+import { useEffect, useState } from 'react';
+
+/**
+ * 把模块内子 tab 状态同步到 URL hash 二级段。
+ * hash 形如 `#<moduleId>`（= 默认 sub）或 `#<moduleId>/<sub>`。
+ * 默认值不写入 hash，刷新页面可恢复。
+ */
+export function useHashSubTab<T extends string>(
+  moduleId: string,
+  subs: readonly T[],
+): [T, (sub: T) => void] {
+  const defaultSub = subs[0];
+
+  const parse = (): T => {
+    const hash = window.location.hash.slice(1);
+    const [first, second] = hash.split('/');
+    if (first !== moduleId) return defaultSub;
+    if (second && (subs as readonly string[]).includes(second)) return second as T;
+    return defaultSub;
+  };
+
+  const [sub, setSubState] = useState<T>(parse);
+
+  useEffect(() => {
+    const onChange = () => setSubState(parse());
+    window.addEventListener('hashchange', onChange);
+    return () => window.removeEventListener('hashchange', onChange);
+  }, [moduleId]);
+
+  const setSub = (next: T) => {
+    const { pathname, search } = window.location;
+    const newHash = next === defaultSub ? `#${moduleId}` : `#${moduleId}/${next}`;
+    window.history.replaceState(null, '', `${pathname}${search}${newHash}`);
+    setSubState(next);
+  };
+
+  return [sub, setSub];
+}