Merge branch 'master' of https://gitlab.prodcontest.ru/team-15/project

services/frontend/src/App.tsx

@@ -1,21 +1,30 @@
 import { Routes, Route } from "react-router";
 import "./styles/globals.css";
-import Competitions from "./pages/Competitions";
-import CompetitionPreview from './pages/CompetitionPreview'
-import CompetitionSession from "./pages/CompetitionSession";
+
 import { NavbarLayout } from "./widgets/navbar-layout";
 
+import Competitions from "./pages/Competitions";
+import CompetitionPreview from "./pages/CompetitionPreview";
+import CompetitionSession from "./pages/CompetitionSession";
+import LoginPage from "./pages/Login";
+import { AuthLayout } from "./widgets/auth-layout";
+
 const App = () => {
   return (
     <Routes>
-      <Route element={<NavbarLayout />}>
-        <Route path="/" element={<Competitions />} />
-        <Route path="/competition/:id" element={<CompetitionPreview />} />
-      </Route>
-      <Route
+      <Route path="/login" element={<LoginPage />} />
+
+      <Route element={<AuthLayout />}>
+        <Route element={<NavbarLayout />}>
+          <Route path="/" element={<Competitions />} />
+          <Route path="/competition/:id" element={<CompetitionPreview />} />
+        </Route>
+
+        <Route
           path="/competition/:id/tasks/:taskId"
           element={<CompetitionSession />}
         />
+      </Route>
     </Routes>
   );
 };

services/frontend/src/components/layout/header.tsx

@@ -1,71 +1,77 @@
-import React, { useState } from 'react';
+import React, { useState } from "react";
 import { DataRush } from "@/components/ui/icons/datarush";
 import { ChevronDown, User, Settings, BarChart2, LogOut } from "lucide-react";
 import { Link } from "react-router";
-import { 
-  Sheet, 
-  SheetContent, 
-  SheetHeader, 
-  SheetTitle, 
-  SheetClose 
+import {
+  Sheet,
+  SheetContent,
+  SheetHeader,
+  SheetTitle,
+  SheetClose,
 } from "@/components/ui/sheet";
+import { useUserStore } from "@/shared/stores/user";
 
 const Header = () => {
+  const user = useUserStore((state) => state.user);
   const [isProfileOpen, setIsProfileOpen] = useState(false);
 
   return (
-    <header className="bg-card sticky top-0 z-30 flex h-[72px] w-full items-center justify-center">
+    <header className="bg-card sticky top-0 z-30 flex h-[72px] w-full items-center justify-center px-4 sm:px-6">
       <div className="flex w-full max-w-5xl items-center justify-between">
         <Link to="/">
           <DataRush />
         </Link>
-        <div 
-          className="flex items-center gap-1 cursor-pointer hover:opacity-80 transition-opacity px-2 py-1 rounded-md"
+        <div
+          className="flex cursor-pointer items-center gap-1 rounded-md px-2 py-1 transition-opacity hover:opacity-80"
           onClick={() => setIsProfileOpen(true)}
         >
-          <span className="text-lg font-semibold font-hse-sans">itqdev</span>
+          <span className="font-hse-sans text-lg font-semibold">
+            {user?.username}
+          </span>
           <ChevronDown size={20} />
         </div>
       </div>
 
       <Sheet open={isProfileOpen} onOpenChange={setIsProfileOpen}>
-        <SheetContent className="w-[300px] sm:w-[350px] p-0">
-          <SheetHeader className="border-b py-4 px-5">
-            <SheetTitle className="font-hse-sans text-lg font-medium">Профиль</SheetTitle>
+        <SheetContent className="w-[300px] p-0 sm:w-[350px]">
+          <SheetHeader className="border-b px-5 py-4">
+            <SheetTitle className="font-hse-sans text-lg font-medium">
+              Профиль
+            </SheetTitle>
           </SheetHeader>
-          
-          <div className="py-4 px-2">
-            <ProfileOption 
-              icon={<User size={18} />} 
-              label="Ваш профиль" 
+
+          <div className="px-2 py-4">
+            <ProfileOption
+              icon={<User size={18} />}
+              label="Ваш профиль"
               onClick={() => {
                 setIsProfileOpen(false);
-              }} 
+              }}
             />
-            
-            <ProfileOption 
-              icon={<Settings size={18} />} 
-              label="Настройки" 
+
+            <ProfileOption
+              icon={<Settings size={18} />}
+              label="Настройки"
               onClick={() => {
                 setIsProfileOpen(false);
-              }} 
+              }}
             />
-            
-            <ProfileOption 
-              icon={<BarChart2 size={18} />} 
-              label="Статистика" 
+
+            <ProfileOption
+              icon={<BarChart2 size={18} />}
+              label="Статистика"
               onClick={() => {
                 setIsProfileOpen(false);
-              }} 
+              }}
             />
-            
-            <div className="border-t mt-2 pt-2">
-              <ProfileOption 
-                icon={<LogOut size={18} />} 
-                label="Выйти" 
+
+            <div className="mt-2 border-t pt-2">
+              <ProfileOption
+                icon={<LogOut size={18} />}
+                label="Выйти"
                 onClick={() => {
                   setIsProfileOpen(false);
-                }} 
+                }}
               />
             </div>
           </div>
@@ -82,11 +88,16 @@ interface ProfileOptionProps {
   className?: string;
 }
 
-const ProfileOption: React.FC<ProfileOptionProps> = ({ icon, label, onClick, className }) => {
+const ProfileOption: React.FC<ProfileOptionProps> = ({
+  icon,
+  label,
+  onClick,
+  className,
+}) => {
   return (
     <SheetClose asChild>
-      <button 
-        className={`flex items-center gap-3 w-full px-3 py-2.5 rounded-md text-left transition-colors hover:bg-gray-100 ${className || ''}`}
+      <button
+        className={`flex w-full items-center gap-3 rounded-md px-3 py-2.5 text-left transition-colors hover:bg-gray-100 ${className || ""}`}
         onClick={onClick}
       >
         <span className="text-gray-600">{icon}</span>
@@ -96,4 +107,4 @@ const ProfileOption: React.FC<ProfileOptionProps> = ({ icon, label, onClick, cla
   );
 };
 
-export { Header };
+export { Header };

services/frontend/src/components/ui/button.tsx

@@ -5,7 +5,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/shared/lib/utils";
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-[color,box-shadow] disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+  "inline-flex cursor-pointer items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-[color,box-shadow] disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
   {
     variants: {
       variant: {
@@ -20,9 +20,9 @@ const buttonVariants = cva(
         link: "text-primary underline-offset-4 hover:underline",
       },
       size: {
-        default: "h-12 px-5 py-3 has-[>svg]:px-3 text-lg font-semibold",
+        default: "h-11 px-4 text-base font-semibold rounded-xl",
+        lg: "h-12 px-5 py-3 has-[>svg]:px-3 text-lg font-semibold",
         sm: "h-8 rounded-md gap-1.5 px-3 has-[>svg]:px-2.5",
-        lg: "h-10 rounded-md px-6 has-[>svg]:px-4",
         icon: "size-9",
       },
     },

services/frontend/src/components/ui/spinner.tsx

@@ -0,0 +1,5 @@
+import { Loader } from "lucide-react";
+
+export const Spinner = (props: React.ComponentProps<typeof Loader>) => (
+  <Loader className="animate-spin" {...props} />
+);

services/frontend/src/pages/CompetitionPreview/index.tsx

@@ -2,7 +2,7 @@ import { useState } from "react";
 import { useParams, Link, useNavigate } from "react-router-dom";
 import { Button } from "@/components/ui/button";
 import { ArrowLeft } from "lucide-react";
-import ReactMarkdown from 'react-markdown';
+import ReactMarkdown from "react-markdown";
 import { Competition } from "@/shared/types";
 import { mockCompetitions, mockTasks } from "@/shared/mocks/mocks";
 
@@ -14,7 +14,7 @@ const CompetitionPage = () => {
   );
 
   const handleContinue = () => {
-    if (competition?.id) {      
+    if (competition?.id) {
       if (mockTasks && mockTasks.length > 0) {
         const firstTaskId = mockTasks[0].id;
         navigate(`/competition/${competition.id}/tasks/${firstTaskId}`);
@@ -43,19 +43,19 @@ const CompetitionPage = () => {
           />
         </div>
 
-        <div className="flex gap-8">
+        <div className="flex flex-col-reverse gap-8 md:flex-row">
           <div className="flex flex-1 flex-col gap-5">
             <h1 className="text-[34px] leading-11 font-semibold text-balance">
               {competition.name}
             </h1>
-            <div className="text-xl leading-10 font-normal prose prose-lg max-w-none">
-              <ReactMarkdown>
-                {competition.description || ''}
-              </ReactMarkdown>
+            <div className="prose prose-lg max-w-none text-xl leading-10 font-normal">
+              <ReactMarkdown>{competition.description || ""}</ReactMarkdown>
             </div>
           </div>
-          <div className="w-96 *:w-full">
-            <Button onClick={handleContinue}>Продолжить</Button>
+          <div className="w-full *:w-full md:w-96">
+            <Button size={"lg"} onClick={handleContinue}>
+              Продолжить
+            </Button>
           </div>
         </div>
       </div>
@@ -63,4 +63,4 @@ const CompetitionPage = () => {
   );
 };
 
-export default CompetitionPage;
+export default CompetitionPage;

services/frontend/src/pages/Competitions/components/CompetitionCard/index.tsx

@@ -11,13 +11,9 @@ export function CompetitionCard({
   competition,
   className,
 }: CompetitionCardProps) {
-
   return (
     <Card
-      className={cn(
-        "aspect-square h-full max-h-80 w-auto overflow-hidden",
-        className,
-      )}
+      className={cn("aspect-square h-full w-auto overflow-hidden", className)}
     >
       <div className="relative h-full overflow-hidden">
         <img
@@ -40,7 +36,9 @@ export function CompetitionCard({
               </>
             )}
           </div>
-          <h3 className="text-xl font-semibold">{competition.name}</h3>
+          <h3 className="line-clamp-2 text-xl font-semibold">
+            {competition.name}
+          </h3>
         </div>
       </CardContent>
     </Card>

services/frontend/src/pages/Competitions/index.tsx

@@ -25,7 +25,7 @@ const CompetitionsPage = () => {
   );
 
   return (
-    <div className="flex flex-col gap-8">
+    <div className="flex flex-col gap-6 sm:gap-8">
       <Section>
         <SectionHeader>
           <SectionTitle>Мои события</SectionTitle>
@@ -50,11 +50,15 @@ const CompetitionsPage = () => {
 };
 
 const Section = ({ children }: { children: React.ReactNode }) => {
-  return <div className="flex flex-col gap-8">{children}</div>;
+  return <div className="flex flex-col gap-6 sm:gap-8">{children}</div>;
 };
 
 const SectionHeader = ({ children }: { children: React.ReactNode }) => {
-  return <div className="flex h-[58px] items-center gap-2">{children}</div>;
+  return (
+    <div className="flex min-h-[58px] flex-col items-center justify-center gap-4 sm:flex-row sm:gap-2">
+      {children}
+    </div>
+  );
 };
 
 const SectionTitle = ({ children }: { children: React.ReactNode }) => {

services/frontend/src/pages/Competitions/modules/CompetitionGrid/index.tsx

@@ -8,7 +8,7 @@ interface CompetitionGridProps {
 
 export function CompetitionGrid({ competitions }: CompetitionGridProps) {
   return (
-    <div className="grid grid-cols-3 gap-9">
+    <div className="grid grid-cols-1 gap-5 sm:grid-cols-2 md:grid-cols-3 md:gap-7 lg:gap-9">
       {competitions.map((competition) => (
         <Link key={competition.id} to={`/competition/${competition.id}`}>
           <CompetitionCard competition={competition} />

services/frontend/src/pages/Login/components/input.tsx

@@ -0,0 +1,22 @@
+interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {
+  label?: string;
+  error?: string;
+}
+
+export const Input = ({ label, error, id, ...props }: InputProps) => {
+  return (
+    <div className="flex w-full flex-col items-stretch gap-2">
+      {label && (
+        <label htmlFor={id} className="text-base font-semibold">
+          {label}
+        </label>
+      )}
+      <input
+        id={id}
+        className="bg-card h-12 rounded-xl border px-4 text-base"
+        {...props}
+      />
+      {error && <span className="text-red-500">{error}</span>}
+    </div>
+  );
+};

services/frontend/src/pages/Login/index.tsx

@@ -0,0 +1,48 @@
+import { DataRush } from "@/components/ui/icons/datarush";
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
+import { LoginTab } from "./modules/LoginTab";
+import { SignupTab } from "./modules/SignupTab";
+import React from "react";
+import { getToken } from "@/shared/token";
+import { useNavigate } from "react-router";
+
+const LoginPage = () => {
+  const navigate = useNavigate();
+
+  React.useEffect(() => {
+    const token = getToken();
+    if (token) {
+      navigate("/");
+    }
+  }, []);
+
+  return (
+    <div className="flex h-screen flex-col items-center gap-10 px-4 py-10 sm:gap-18 sm:py-18">
+      <DataRush size={52} />
+      <div className="flex w-full max-w-96 flex-col items-center gap-7">
+        <h1 className="text-center text-4xl font-semibold">
+          Добро пожаловать!
+        </h1>
+        <Tabs
+          defaultValue="login"
+          className="flex w-full flex-col items-center gap-7"
+        >
+          <TabsList>
+            <TabsTrigger value="login">Вход</TabsTrigger>
+            <TabsTrigger value="signup">Регистрация</TabsTrigger>
+          </TabsList>
+
+          <TabsContent value="login" asChild>
+            <LoginTab />
+          </TabsContent>
+
+          <TabsContent value="signup" asChild>
+            <SignupTab />
+          </TabsContent>
+        </Tabs>
+      </div>
+    </div>
+  );
+};
+
+export default LoginPage;

services/frontend/src/pages/Login/modules/LoginTab.tsx

@@ -0,0 +1,74 @@
+import { Button } from "@/components/ui/button";
+import { Input } from "../components/input";
+import { login } from "@/shared/api/auth";
+import { saveToken } from "@/shared/token";
+import { useNavigate } from "react-router";
+import { useState } from "react";
+import { Spinner } from "@/components/ui/spinner";
+import { ApiError } from "@/shared/api";
+
+export const LoginTab = () => {
+  const navigate = useNavigate();
+  const [error, setError] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  const loginAction = async (
+    formData: FormData,
+    e: React.FormEvent<HTMLFormElement>,
+  ) => {
+    e.preventDefault();
+
+    setLoading(true);
+
+    const email = formData.get("email");
+    const password = formData.get("password");
+
+    if (!email || !password) {
+      setError("Неверное имя пользователя или пароль");
+      setLoading(false);
+      return;
+    }
+
+    try {
+      const token = await login({
+        email: email.toString(),
+        password: password.toString(),
+      });
+      saveToken(token.token);
+      navigate("/");
+    } catch (e) {
+      if (e instanceof ApiError && (e.status === 400 || e.status === 401)) {
+        setError("Неверное имя пользователя или пароль");
+      } else {
+        setError("Произошла непредвиденная ошибка");
+      }
+    }
+
+    setLoading(false);
+  };
+
+  return (
+    <form
+      className="flex w-full flex-col items-stretch gap-8"
+      onSubmit={(e) => loginAction(new FormData(e.currentTarget), e)}
+    >
+      <div className="flex flex-col items-stretch gap-5">
+        <Input
+          id="email"
+          name="email"
+          label="Почта"
+          placeholder="vdeniske@megazord.pobeda"
+        />
+        <Input
+          id="password"
+          name="password"
+          label="Пароль"
+          placeholder="Введите пароль"
+          type="password"
+        />
+      </div>
+      {error && <span className="text-red-500">{error}</span>}
+      <Button type="submit">{loading ? <Spinner size={16} /> : "Войти"}</Button>
+    </form>
+  );
+};

services/frontend/src/pages/Login/modules/SignupTab.tsx

@@ -0,0 +1,134 @@
+import { Button } from "@/components/ui/button";
+import { Input } from "../components/input";
+import { z } from "zod";
+import React from "react";
+import { signup } from "@/shared/api/auth";
+import { Spinner } from "@/components/ui/spinner";
+import { saveToken } from "@/shared/token";
+import { useNavigate } from "react-router";
+import { ApiError } from "@/shared/api";
+
+const signupSchema = z.object({
+  email: z.string().email({ message: "Некорректная почта" }).trim(),
+  username: z
+    .string()
+    .min(1, { message: "Имя пользователя должно быть не меньше 1 знака" })
+    .max(50, { message: "Имя пользователя должно быть не больше 50 знаков" })
+    .trim(),
+  password: z
+    .string()
+    .min(8, { message: "Пароль должен быть не меньше 8 знаков" })
+    .regex(/[a-zA-Z]/, {
+      message: "Пароль должен содержать хотя бы одну букву",
+    })
+    .regex(/[0-9]/, { message: "Пароль должен содержать хотя бы одну цифру" })
+    .regex(/[^a-zA-Z0-9]/, {
+      message: "Пароль должен содержать хотя бы один специальный символ",
+    })
+    .trim(),
+});
+
+interface SignupFormErrors {
+  username?: string[];
+  email?: string[];
+  password?: string[];
+
+  message?: string;
+}
+
+export const SignupTab = () => {
+  const navigate = useNavigate();
+  const [errors, setErrors] = React.useState<SignupFormErrors | null>(null);
+  const [loading, setLoading] = React.useState(false);
+
+  const signupAction = async (
+    formData: FormData,
+    e: React.FormEvent<HTMLFormElement>,
+  ) => {
+    e.preventDefault();
+
+    setLoading(true);
+
+    const validatedFields = signupSchema.safeParse({
+      email: formData.get("email"),
+      username: formData.get("username"),
+      password: formData.get("password"),
+    });
+
+    if (!validatedFields.success) {
+      setErrors(validatedFields.error.flatten().fieldErrors);
+      setLoading(false);
+      return;
+    }
+
+    try {
+      const token = await signup({
+        ...validatedFields.data,
+      });
+      saveToken(token.token);
+      navigate("/");
+    } catch (e) {
+      if (e instanceof ApiError) {
+        if (e.status === 400) {
+          setErrors({ message: "Неверные данные" });
+        } else if (e.status === 409) {
+          setErrors({
+            message:
+              "Пользователь с такой почтой или именем пользователя уже существует",
+          });
+        } else {
+          setErrors({ message: "Произошла непредвиденная ошибка" });
+        }
+      } else {
+        setErrors({ message: "Произошла непредвиденная ошибка" });
+      }
+    }
+
+    setLoading(false);
+  };
+
+  return (
+    <form
+      className="flex w-full flex-col items-stretch gap-8"
+      onSubmit={(e) => signupAction(new FormData(e.currentTarget), e)}
+    >
+      <div className="flex flex-col items-stretch gap-5">
+        <Input
+          id="email"
+          name="email"
+          label="Почта"
+          placeholder="vdeniske@megazord.pobeda"
+          error={errors?.email?.at(0)}
+          onChange={() => setErrors(null)}
+        />
+
+        <Input
+          id="username"
+          name="username"
+          label="Имя пользователя"
+          placeholder="Введите имя пользователя"
+          error={errors?.username?.at(0)}
+          onChange={() => setErrors(null)}
+        />
+
+        <Input
+          id="password"
+          name="password"
+          label="Пароль"
+          placeholder="Введите пароль"
+          type="password"
+          error={errors?.password?.at(0)}
+          onChange={() => setErrors(null)}
+        />
+      </div>
+
+      {errors?.message && (
+        <span className="text-red-500">{errors.message}</span>
+      )}
+
+      <Button type="submit" onClick={() => setErrors(null)}>
+        {loading ? <Spinner size={16} /> : "Зарегистрироваться"}
+      </Button>
+    </form>
+  );
+};

services/frontend/src/shared/api/auth.ts

@@ -0,0 +1,23 @@
+import { authFetch } from ".";
+
+interface AuthResponse {
+  token: string;
+}
+
+export const signup = async (body: {
+  email: string;
+  username: string;
+  password: string;
+}) => {
+  return await authFetch<AuthResponse>("/sign-up", {
+    method: "POST",
+    body,
+  });
+};
+
+export const login = async (body: { email: string; password: string }) => {
+  return await authFetch<AuthResponse>("/sign-in", {
+    method: "POST",
+    body,
+  });
+};

services/frontend/src/shared/api/index.ts

@@ -0,0 +1,38 @@
+import { ofetch } from "ofetch";
+import { getToken, removeToken } from "../token";
+
+const BASE_URL = import.meta.env.VITE_API_ENDPOINT;
+
+export class ApiError extends Error {
+  response: Response;
+  status: number;
+
+  constructor(response: Response) {
+    super(response.statusText);
+    this.response = response;
+    this.status = response.status;
+  }
+}
+
+export const authFetch = ofetch.create({
+  baseURL: BASE_URL,
+  async onResponseError({ response }) {
+    throw new ApiError(response);
+  },
+});
+
+export const apiFetch = ofetch.create({
+  baseURL: BASE_URL,
+  headers: {
+    Authorization: "Bearer " + getToken(),
+  },
+  async onResponseError({ response }) {
+    if (response.status === 401) {
+      removeToken();
+      window.location.href = "/login";
+      return;
+    }
+
+    throw new ApiError(response);
+  },
+});

services/frontend/src/shared/api/user.ts

@@ -0,0 +1,6 @@
+import { apiFetch } from ".";
+import { User } from "../types/user";
+
+export const getCurrentUser = async () => {
+  return await apiFetch<User>("/me");
+};

services/frontend/src/shared/stores/user.ts

@@ -0,0 +1,23 @@
+import { create } from "zustand";
+import { User } from "../types/user";
+import { getCurrentUser } from "../api/user";
+
+interface UserState {
+  user: User | null;
+  loading: boolean;
+
+  fetchUser: () => Promise<void>;
+}
+
+const useUserStore = create<UserState>((set) => ({
+  user: null,
+  loading: true,
+
+  fetchUser: async () => {
+    set({ loading: true });
+    const user = await getCurrentUser();
+    set({ user, loading: false });
+  },
+}));
+
+export { useUserStore };

services/frontend/src/shared/token.ts

@@ -0,0 +1,17 @@
+import Cookie from "js-cookie";
+
+export const getToken = () => {
+  return Cookie.get("token");
+};
+
+export const saveToken = (token: string) => {
+  Cookie.set("token", token, {
+    secure: true,
+    sameSite: "Strict",
+    expires: 30,
+  });
+};
+
+export const removeToken = () => {
+  Cookie.remove("token");
+};

services/frontend/src/shared/types/user.ts

@@ -0,0 +1,5 @@
+export interface User {
+  id: string;
+  email: string;
+  username: string;
+}

services/frontend/src/widgets/auth-layout.tsx

@@ -0,0 +1,17 @@
+import { useUserStore } from "@/shared/stores/user";
+import React from "react";
+import { Outlet } from "react-router";
+
+export const AuthLayout = () => {
+  const fetchUser = useUserStore((state) => state.fetchUser);
+
+  React.useEffect(() => {
+    async function fetchData() {
+      await fetchUser();
+    }
+
+    fetchData();
+  }, []);
+
+  return <Outlet />;
+};

services/frontend/src/widgets/navbar-layout.tsx

@@ -5,8 +5,10 @@ const NavbarLayout = () => {
   return (
     <>
       <Header />
-      <div className="m-auto mt-6 w-full max-w-5xl">
-        <Outlet />
+      <div className="px-4 sm:px-6">
+        <div className="m-auto mt-6 w-full max-w-5xl">
+          <Outlet />
+        </div>
       </div>
     </>
   );