refactor: proxy components

src/components/proxy/proxy-chain.tsx

@@ -31,7 +31,7 @@ import {
   Typography,
   useTheme,
 } from "@mui/material";
-import { useCallback, useEffect, useRef, useState } from "react";
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { useTranslation } from "react-i18next";
 import useSWR from "swr";
 import {
@@ -196,9 +196,10 @@ export const ProxyChain = ({
   const theme = useTheme();
   const { t } = useTranslation();
   const { proxies } = useAppData();
-  const [hasUnsavedChanges, setHasUnsavedChanges] = useState(false);
   const [isConnecting, setIsConnecting] = useState(false);
-  const [isConnected, setIsConnected] = useState(false);
+  const markUnsavedChanges = useCallback(() => {
+    onMarkUnsavedChanges?.();
+  }, [onMarkUnsavedChanges]);
 
   // 获取当前代理信息以检查连接状态
   const { data: currentProxies, mutate: mutateProxies } = useSWR(
@@ -211,52 +212,26 @@ export const ProxyChain = ({
     },
   );
 
-  // 检查连接状态
+  const isConnected = useMemo(() => {
-  useEffect(() => {
     if (!currentProxies || proxyChain.length < 2) {
-      setIsConnected(false);
+      return false;
-      return;
     }
 
-    // 获取用户配置的最后一个节点
     const lastNode = proxyChain[proxyChain.length - 1];
 
-    // 根据模式确定要检查的代理组和当前选中的代理
     if (mode === "global") {
-      // 全局模式：检查 global 对象
+      return currentProxies.global?.now === lastNode.name;
-      if (!currentProxies.global || !currentProxies.global.now) {
-        setIsConnected(false);
-        return;
-      }
-
-      // 检查当前选中的代理是否是配置的最后一个节点
-      if (currentProxies.global.now === lastNode.name) {
-        setIsConnected(true);
-      } else {
-        setIsConnected(false);
-      }
-    } else {
-      // 规则模式：检查指定的代理组
-      if (!selectedGroup) {
-        setIsConnected(false);
-        return;
-      }
-
-      const proxyChainGroup = currentProxies.groups.find(
-        (group) => group.name === selectedGroup,
-      );
-      if (!proxyChainGroup || !proxyChainGroup.now) {
-        setIsConnected(false);
-        return;
-      }
-
-      // 检查当前选中的代理是否是配置的最后一个节点
-      if (proxyChainGroup.now === lastNode.name) {
-        setIsConnected(true);
-      } else {
-        setIsConnected(false);
-      }
     }
+
+    if (!selectedGroup || !Array.isArray(currentProxies.groups)) {
+      return false;
+    }
+
+    const proxyChainGroup = currentProxies.groups.find(
+      (group) => group.name === selectedGroup,
+    );
+
+    return proxyChainGroup?.now === lastNode.name;
   }, [currentProxies, proxyChain, mode, selectedGroup]);
 
   // 监听链的变化，但排除从配置加载的情况
@@ -267,10 +242,10 @@ export const ProxyChain = ({
       chainLengthRef.current !== proxyChain.length &&
       chainLengthRef.current !== 0
     ) {
-      setHasUnsavedChanges(true);
+      markUnsavedChanges();
     }
     chainLengthRef.current = proxyChain.length;
-  }, [proxyChain.length]);
+  }, [proxyChain.length, markUnsavedChanges]);
 
   const sensors = useSensors(
     useSensor(PointerSensor),
@@ -288,26 +263,21 @@ export const ProxyChain = ({
         const newIndex = proxyChain.findIndex((item) => item.id === over?.id);
 
         onUpdateChain(arrayMove(proxyChain, oldIndex, newIndex));
-        setHasUnsavedChanges(true);
+        markUnsavedChanges();
       }
     },
-    [proxyChain, onUpdateChain],
+    [proxyChain, onUpdateChain, markUnsavedChanges],
   );
 
   const handleRemoveProxy = useCallback(
     (id: string) => {
       const newChain = proxyChain.filter((item) => item.id !== id);
       onUpdateChain(newChain);
-      setHasUnsavedChanges(true);
+      markUnsavedChanges();
     },
-    [proxyChain, onUpdateChain],
+    [proxyChain, onUpdateChain, markUnsavedChanges],
   );
 
-  const handleClearAll = useCallback(() => {
-    onUpdateChain([]);
-    setHasUnsavedChanges(true);
-  }, [onUpdateChain]);
-
   const handleConnect = useCallback(async () => {
     if (isConnected) {
       // 如果已连接，则断开连接
@@ -327,10 +297,6 @@ export const ProxyChain = ({
 
         // 清空链式代理配置UI
         // onUpdateChain([]);
-        // setHasUnsavedChanges(false);
-
-        // 强制更新连接状态
-        setIsConnected(false);
       } catch (error) {
         console.error("Failed to disconnect from proxy chain:", error);
         alert(t("Failed to disconnect from proxy chain") || "断开链式代理失败");
@@ -372,9 +338,6 @@ export const ProxyChain = ({
 
       // 刷新代理信息以更新连接状态
       mutateProxies();
-
-      // 清除未保存标记
-      setHasUnsavedChanges(false);
       console.log("Successfully connected to proxy chain");
     } catch (error) {
       console.error("Failed to connect to proxy chain:", error);
@@ -411,7 +374,6 @@ export const ProxyChain = ({
                   delay: undefined,
                 })) || [];
               onUpdateChain(chainItems);
-              setHasUnsavedChanges(false);
             } catch (parseError) {
               console.error("Failed to parse YAML:", parseError);
               onUpdateChain([]);
@@ -435,7 +397,6 @@ export const ProxyChain = ({
                   delay: undefined,
                 })) || [];
               onUpdateChain(chainItems);
-              setHasUnsavedChanges(false);
             } catch (jsonError) {
               console.error("Failed to parse as JSON either:", jsonError);
               onUpdateChain([]);
@@ -448,7 +409,6 @@ export const ProxyChain = ({
     } else if (chainConfigData === "") {
       // Empty string means no proxies available, show empty state
       onUpdateChain([]);
-      setHasUnsavedChanges(false);
     }
   }, [chainConfigData, onUpdateChain]);
 
@@ -519,7 +479,6 @@ export const ProxyChain = ({
               onClick={() => {
                 updateProxyChainConfigInRuntime(null);
                 onUpdateChain([]);
-                setHasUnsavedChanges(false);
               }}
               sx={{
                 color: theme.palette.error.main,

src/components/proxy/proxy-groups.tsx

@@ -46,6 +46,8 @@ interface ProxyChainItem {
   delay?: number;
 }
 
+const VirtuosoFooter = () => <div style={{ height: "8px" }} />;
+
 export const ProxyGroups = (props: Props) => {
   const { t } = useTranslation();
   const { mode, isChainMode = false, chainConfigData } = props;
@@ -61,23 +63,25 @@ export const ProxyGroups = (props: Props) => {
 
   const { verge } = useVerge();
   const { proxies: proxiesData } = useAppData();
+  const groups = proxiesData?.groups;
+  const availableGroups = useMemo(() => groups ?? [], [groups]);
 
-  // 当链式代理模式且规则模式下，如果没有选择代理组，默认选择第一个
+  const defaultRuleGroup = useMemo(() => {
-  useEffect(() => {
+    if (isChainMode && mode === "rule" && availableGroups.length > 0) {
-    if (
+      return availableGroups[0].name;
-      isChainMode &&
-      mode === "rule" &&
-      !selectedGroup &&
-      proxiesData?.groups?.length > 0
-    ) {
-      setSelectedGroup(proxiesData.groups[0].name);
     }
-  }, [isChainMode, mode, selectedGroup, proxiesData]);
+    return null;
+  }, [availableGroups, isChainMode, mode]);
+
+  const activeSelectedGroup = useMemo(
+    () => selectedGroup ?? defaultRuleGroup,
+    [selectedGroup, defaultRuleGroup],
+  );
 
   const { renderList, onProxies, onHeadState } = useRenderList(
     mode,
     isChainMode,
-    selectedGroup,
+    activeSelectedGroup,
   );
 
   const getGroupHeadState = useCallback(
@@ -112,6 +116,8 @@ export const ProxyGroups = (props: Props) => {
   useEffect(() => {
     if (renderList.length === 0) return;
 
+    let restoreTimer: ReturnType<typeof setTimeout> | null = null;
+
     try {
       const savedPositions = localStorage.getItem("proxy-scroll-positions");
       if (savedPositions) {
@@ -120,7 +126,7 @@ export const ProxyGroups = (props: Props) => {
         const savedPosition = positions[mode];
 
         if (savedPosition !== undefined) {
-          setTimeout(() => {
+          restoreTimer = setTimeout(() => {
             virtuosoRef.current?.scrollTo({
               top: savedPosition,
               behavior: "auto",
@@ -131,6 +137,12 @@ export const ProxyGroups = (props: Props) => {
     } catch (e) {
       console.error("Error restoring scroll position:", e);
     }
+
+    return () => {
+      if (restoreTimer) {
+        clearTimeout(restoreTimer);
+      }
+    };
   }, [mode, renderList.length]);
 
   // 改为使用节流函数保存滚动位置
@@ -150,25 +162,30 @@ export const ProxyGroups = (props: Props) => {
   );
 
   // 使用改进的滚动处理
-  const handleScroll = useCallback(
+  const handleScroll = useMemo(
-    throttle((e: any) => {
+    () =>
-      const scrollTop = e.target.scrollTop;
+      throttle((event: Event) => {
-      setShowScrollTop(scrollTop > 100);
+        const target = event.target as HTMLElement | null;
-      // 使用稳定的节流来保存位置，而不是setTimeout
+        const scrollTop = target?.scrollTop ?? 0;
-      saveScrollPosition(scrollTop);
+        setShowScrollTop(scrollTop > 100);
-    }, 500), // 增加到500ms以确保平滑滚动
+        // 使用稳定的节流来保存位置，而不是setTimeout
+        saveScrollPosition(scrollTop);
+      }, 500), // 增加到500ms以确保平滑滚动
     [saveScrollPosition],
   );
 
   // 添加和清理滚动事件监听器
   useEffect(() => {
-    if (!scrollerRef.current) return;
+    const node = scrollerRef.current;
-    scrollerRef.current.addEventListener("scroll", handleScroll, {
+    if (!node) return;
-      passive: true,
+
-    });
+    const listener = handleScroll as EventListener;
+    const options: AddEventListenerOptions = { passive: true };
+
+    node.addEventListener("scroll", listener, options);
 
     return () => {
-      scrollerRef.current?.removeEventListener("scroll", handleScroll);
+      node.removeEventListener("scroll", listener, options);
     };
   }, [handleScroll]);
 
@@ -186,18 +203,14 @@ export const ProxyGroups = (props: Props) => {
     setDuplicateWarning({ open: false, message: "" });
   }, []);
 
-  // 获取当前选中的代理组信息
+  const currentGroup = useMemo(() => {
-  const getCurrentGroup = useCallback(() => {
+    if (!activeSelectedGroup) return null;
-    if (!selectedGroup || !proxiesData?.groups) return null;
+    return (
-    return proxiesData.groups.find(
+      availableGroups.find(
-      (group: any) => group.name === selectedGroup,
+        (group: any) => group.name === activeSelectedGroup,
+      ) ?? null
     );
-  }, [selectedGroup, proxiesData]);
+  }, [activeSelectedGroup, availableGroups]);
-
-  // 获取可用的代理组列表
-  const getAvailableGroups = useCallback(() => {
-    return proxiesData?.groups || [];
-  }, [proxiesData]);
 
   // 处理代理组选择菜单
   const handleGroupMenuOpen = (event: React.MouseEvent<HTMLElement>) => {
@@ -220,9 +233,6 @@ export const ProxyGroups = (props: Props) => {
     }
   };
 
-  const currentGroup = getCurrentGroup();
-  const availableGroups = getAvailableGroups();
-
   const handleChangeProxy = useCallback(
     (group: IProxyGroupItem, proxy: IProxyItem) => {
       if (isChainMode) {
@@ -472,7 +482,7 @@ export const ProxyGroups = (props: Props) => {
                 scrollerRef.current = ref as Element;
               }}
               components={{
-                Footer: () => <div style={{ height: "8px" }} />,
+                Footer: VirtuosoFooter,
               }}
               initialScrollTop={scrollPositionRef.current[mode]}
               computeItemKey={(index) => renderList[index].key}
@@ -498,7 +508,7 @@ export const ProxyGroups = (props: Props) => {
               onUpdateChain={setProxyChain}
               chainConfigData={chainConfigData}
               mode={mode}
-              selectedGroup={selectedGroup}
+              selectedGroup={activeSelectedGroup}
             />
           </Box>
         </Box>
@@ -530,11 +540,11 @@ export const ProxyGroups = (props: Props) => {
             },
           }}
         >
-          {availableGroups.map((group: any, _index: number) => (
+          {availableGroups.map((group: any) => (
             <MenuItem
               key={group.name}
               onClick={() => handleGroupSelect(group.name)}
-              selected={selectedGroup === group.name}
+              selected={activeSelectedGroup === group.name}
               sx={{
                 fontSize: "14px",
                 py: 1,
@@ -591,7 +601,7 @@ export const ProxyGroups = (props: Props) => {
           scrollerRef.current = ref as Element;
         }}
         components={{
-          Footer: () => <div style={{ height: "8px" }} />,
+          Footer: VirtuosoFooter,
         }}
         // 添加平滑滚动设置
         initialScrollTop={scrollPositionRef.current[mode]}

src/components/proxy/proxy-head.tsx

@@ -31,8 +31,10 @@ interface Props {
   onHeadState: (val: Partial<HeadState>) => void;
 }
 
+const defaultSx: SxProps = {};
+
 export const ProxyHead = ({
-  sx = {},
+  sx = defaultSx,
   url,
   groupName,
   headState,

src/components/proxy/proxy-item-mini.tsx

@@ -1,7 +1,7 @@
 import { CheckCircleOutlineRounded } from "@mui/icons-material";
 import { alpha, Box, ListItemButton, styled, Typography } from "@mui/material";
 import { useLockFn } from "ahooks";
-import { useEffect, useState } from "react";
+import { useCallback, useEffect, useReducer } from "react";
 import { useTranslation } from "react-i18next";
 
 import { BaseLoading } from "@/components/base";
@@ -26,7 +26,7 @@ export const ProxyItemMini = (props: Props) => {
   const isPreset = presetList.includes(proxy.name);
   // -1/<=0 为 不显示
   // -2 为 loading
-  const [delay, setDelay] = useState(-1);
+  const [delay, setDelay] = useReducer((_: number, value: number) => value, -1);
   const { verge } = useVerge();
   const timeout = verge?.default_latency_timeout || 10000;
 
@@ -39,11 +39,15 @@ export const ProxyItemMini = (props: Props) => {
     };
   }, [isPreset, proxy.name, group.name]);
 
-  useEffect(() => {
+  const updateDelay = useCallback(() => {
     if (!proxy) return;
     setDelay(delayManager.getDelayFix(proxy, group.name));
   }, [proxy, group.name]);
 
+  useEffect(() => {
+    updateDelay();
+  }, [updateDelay]);
+
   const onDelay = useLockFn(async () => {
     setDelay(-2);
     setDelay(await delayManager.checkDelay(proxy.name, group.name, timeout));

src/components/proxy/proxy-item.tsx

@@ -11,7 +11,7 @@ import {
   Theme,
 } from "@mui/material";
 import { useLockFn } from "ahooks";
-import { useEffect, useState } from "react";
+import { useCallback, useEffect, useReducer } from "react";
 
 import { BaseLoading } from "@/components/base";
 import { useVerge } from "@/hooks/use-verge";
@@ -51,7 +51,7 @@ export const ProxyItem = (props: Props) => {
   const isPreset = presetList.includes(proxy.name);
   // -1/<=0 为 不显示
   // -2 为 loading
-  const [delay, setDelay] = useState(-1);
+  const [delay, setDelay] = useReducer((_: number, value: number) => value, -1);
   const { verge } = useVerge();
   const timeout = verge?.default_latency_timeout || 10000;
   useEffect(() => {
@@ -63,10 +63,14 @@ export const ProxyItem = (props: Props) => {
     };
   }, [proxy.name, group.name, isPreset]);
 
-  useEffect(() => {
+  const updateDelay = useCallback(() => {
     if (!proxy) return;
     setDelay(delayManager.getDelayFix(proxy, group.name));
-  }, [group.name, proxy]);
+  }, [proxy, group.name]);
+
+  useEffect(() => {
+    updateDelay();
+  }, [updateDelay]);
 
   const onDelay = useLockFn(async () => {
     setDelay(-2);

src/components/proxy/proxy-render.tsx

@@ -14,7 +14,7 @@ import {
   Tooltip,
 } from "@mui/material";
 import { convertFileSrc } from "@tauri-apps/api/core";
-import { useEffect, useMemo, useState } from "react";
+import { useCallback, useEffect, useMemo, useState } from "react";
 import { useTranslation } from "react-i18next";
 
 import { useVerge } from "@/hooks/use-verge";
@@ -49,7 +49,7 @@ export const ProxyRender = (props: RenderProps) => {
     onCheckAll,
     onHeadState,
     onChangeProxy,
-    isChainMode = false,
+    isChainMode: _ = false,
   } = props;
   const { type, group, headState, proxy, proxyCol } = item;
   const { verge } = useVerge();
@@ -59,23 +59,42 @@ export const ProxyRender = (props: RenderProps) => {
   const itembackgroundcolor = isDark ? "#282A36" : "#ffffff";
   const [iconCachePath, setIconCachePath] = useState("");
 
-  useEffect(() => {
+  const initIconCachePath = useCallback(async () => {
-    initIconCachePath();
-  }, [group]);
-
-  async function initIconCachePath() {
     if (group.icon && group.icon.trim().startsWith("http")) {
       const fileName =
         group.name.replaceAll(" ", "") + "-" + getFileName(group.icon);
       const iconPath = await downloadIconCache(group.icon, fileName);
       setIconCachePath(convertFileSrc(iconPath));
+    } else {
+      setIconCachePath("");
     }
-  }
+  }, [group.icon, group.name]);
+
+  useEffect(() => {
+    initIconCachePath();
+  }, [initIconCachePath]);
 
   function getFileName(url: string) {
     return url.substring(url.lastIndexOf("/") + 1);
   }
 
+  const proxyColItemsMemo = useMemo(() => {
+    if (type !== 4 || !proxyCol) {
+      return null;
+    }
+
+    return proxyCol.map((proxyItem) => (
+      <ProxyItemMini
+        key={`${item.key}-${proxyItem?.name ?? "unknown"}`}
+        group={group}
+        proxy={proxyItem!}
+        selected={group.now === proxyItem?.name}
+        showType={headState?.showType}
+        onClick={() => onChangeProxy(group, proxyItem!)}
+      />
+    ));
+  }, [type, proxyCol, item.key, group, headState, onChangeProxy]);
+
   if (type === 0) {
     return (
       <ListItemButton
@@ -205,18 +224,6 @@ export const ProxyRender = (props: RenderProps) => {
   }
 
   if (type === 4) {
-    const proxyColItemsMemo = useMemo(() => {
-      return proxyCol?.map((proxy) => (
-        <ProxyItemMini
-          key={item.key + proxy.name}
-          group={group}
-          proxy={proxy!}
-          selected={group.now === proxy.name}
-          showType={headState?.showType}
-          onClick={() => onChangeProxy(group, proxy!)}
-        />
-      ));
-    }, [proxyCol, group, headState]);
     return (
       <Box
         sx={{

src/components/proxy/use-filter-sort.ts

@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useState } from "react";
+import { useEffect, useMemo, useReducer } from "react";
 
 import delayManager from "@/services/delay";
 
@@ -11,7 +11,7 @@ export default function useFilterSort(
   filterText: string,
   sortType: ProxySortType,
 ) {
-  const [, setRefresh] = useState({});
+  const [_, bumpRefresh] = useReducer((count: number) => count + 1, 0);
 
   useEffect(() => {
     let last = 0;
@@ -21,7 +21,7 @@ export default function useFilterSort(
       const now = Date.now();
       if (now - last > 666) {
         last = now;
-        setRefresh({});
+        bumpRefresh();
       }
     });
 

src/components/proxy/use-head-state.ts

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useState } from "react";
+import { useCallback, useEffect, useReducer } from "react";
 
 import { useProfiles } from "@/hooks/use-profiles";
 
@@ -25,15 +25,38 @@ export const DEFAULT_STATE: HeadState = {
   testUrl: "",
 };
 
+type HeadStateAction =
+  | { type: "reset" }
+  | { type: "replace"; payload: Record<string, HeadState> }
+  | { type: "update"; groupName: string; patch: Partial<HeadState> };
+
+function headStateReducer(
+  state: Record<string, HeadState>,
+  action: HeadStateAction,
+): Record<string, HeadState> {
+  switch (action.type) {
+    case "reset":
+      return {};
+    case "replace":
+      return action.payload;
+    case "update": {
+      const prev = state[action.groupName] || DEFAULT_STATE;
+      return { ...state, [action.groupName]: { ...prev, ...action.patch } };
+    }
+    default:
+      return state;
+  }
+}
+
 export function useHeadStateNew() {
   const { profiles } = useProfiles();
   const current = profiles?.current || "";
 
-  const [state, setState] = useState<Record<string, HeadState>>({});
+  const [state, dispatch] = useReducer(headStateReducer, {});
 
   useEffect(() => {
     if (!current) {
-      setState({});
+      dispatch({ type: "reset" });
       return;
     }
 
@@ -45,36 +68,39 @@ export function useHeadStateNew() {
       const value = data[current] || {};
 
       if (value && typeof value === "object") {
-        setState(value);
+        dispatch({ type: "replace", payload: value });
       } else {
-        setState({});
+        dispatch({ type: "reset" });
       }
-    } catch {}
+    } catch {
+      dispatch({ type: "reset" });
+    }
   }, [current]);
 
+  useEffect(() => {
+    if (!current) return;
+
+    const timer = setTimeout(() => {
+      try {
+        const item = localStorage.getItem(HEAD_STATE_KEY);
+
+        let data = (item ? JSON.parse(item) : {}) as HeadStateStorage;
+
+        if (!data || typeof data !== "object") data = {};
+
+        data[current] = state;
+
+        localStorage.setItem(HEAD_STATE_KEY, JSON.stringify(data));
+      } catch {}
+    });
+
+    return () => clearTimeout(timer);
+  }, [state, current]);
+
   const setHeadState = useCallback(
     (groupName: string, obj: Partial<HeadState>) => {
-      setState((old) => {
+      if (!current) return;
-        const state = old[groupName] || DEFAULT_STATE;
+      dispatch({ type: "update", groupName, patch: obj });
-        const ret = { ...old, [groupName]: { ...state, ...obj } };
-
-        // 保存到存储中
-        setTimeout(() => {
-          try {
-            const item = localStorage.getItem(HEAD_STATE_KEY);
-
-            let data = (item ? JSON.parse(item) : {}) as HeadStateStorage;
-
-            if (!data || typeof data !== "object") data = {};
-
-            data[current] = ret;
-
-            localStorage.setItem(HEAD_STATE_KEY, JSON.stringify(data));
-          } catch {}
-        });
-
-        return ret;
-      });
     },
     [current],
   );