🎉 first commit

app/lib/hooks/useAuth.ts

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+import { useFetcher, useRouteLoaderData } from '@remix-run/react';
+/*
+ * 用户认证Hook
+ */
+import { useCallback, useEffect, useState } from 'react';
+
+export interface UserInfo {
+  sub?: string;
+  name?: string;
+  // 用户登录名，如果未启用用户名登录则可能为空
+  username?: string;
+  picture?: string;
+  // 用户邮箱，可能为空
+  email?: string;
+  // 用户手机号，可能为空
+  phone_number?: string;
+  [key: string]: any;
+}
+
+interface AuthUserResponse {
+  isAuthenticated: boolean;
+  claims?: UserInfo;
+}
+
+/**
+ * useAuth Hook - 获取和管理用户认证状态
+ *
+ * 优先使用根加载器数据，然后再进行客户端API请求
+ */
+export function useAuth() {
+  // 尝试从根加载器获取数据
+  const rootData = useRouteLoaderData<{ auth?: { isAuthenticated: boolean; userInfo: UserInfo | null } }>('root');
+
+  const [isAuthenticated, setIsAuthenticated] = useState<boolean>(rootData?.auth?.isAuthenticated || false);
+  const [userInfo, setUserInfo] = useState<UserInfo | null>(rootData?.auth?.userInfo || null);
+  const [isLoading, setIsLoading] = useState<boolean>(!rootData?.auth);
+
+  const fetcher = useFetcher<AuthUserResponse>();
+
+  useEffect(() => {
+    if (!rootData?.auth && fetcher.state === 'idle' && !fetcher.data) {
+      fetcher.load('/api/auth/user');
+    }
+  }, [fetcher, rootData]);
+
+  // 当获取数据后更新认证状态
+  useEffect(() => {
+    if (fetcher.data) {
+      setIsAuthenticated(fetcher.data.isAuthenticated);
+      setUserInfo(fetcher.data.isAuthenticated ? fetcher.data.claims || null : null);
+      setIsLoading(false);
+    }
+  }, [fetcher.data]);
+
+  // 登录
+  const signIn = useCallback((callbackUrl = '/api/auth/callback') => {
+    window.location.href = `/api/auth/sign-in?redirectTo=${encodeURIComponent(callbackUrl)}`;
+  }, []);
+
+  // 登出
+  const signOut = useCallback(() => {
+    window.location.href = '/api/auth/sign-out';
+  }, []);
+
+  // 刷新用户信息
+  const refreshUserInfo = useCallback(() => {
+    setIsLoading(true);
+    fetcher.load('/api/auth/user');
+  }, [fetcher]);
+
+  return {
+    isAuthenticated,
+    isLoading,
+    userInfo,
+    signIn,
+    signOut,
+    refreshUserInfo,
+  };
+}