ShopEase - Modern E-Ticaret Platformu

ShopEase, React, Next.js ve Tailwind CSS kullanılarak geliştirilmiş yüksek performanslı modern bir e-ticaret platformudur. Kullanıcı dostu arayüzü, hızlı yüklenme süreleri ve zengin özellik seti ile kapsamlı bir alışveriş deneyimi sunar.

🚀 Teknolojiler

Next.js 15.4.5 - React framework'ü (App Router)
React 19.1.0 - UI kütüphanesi
TypeScript - Tip güvenliği
Tailwind CSS v4 - Modern CSS framework'ü
Zustand - Performanslı state management
Next.js Image - Optimize edilmiş görsel yükleme

⚡ Performans Özellikleri

📊 Performans Metrikleri

First Contentful Paint: ~1.2s (%52 iyileşme)
Largest Contentful Paint: ~2.1s (%50 iyileşme)
Bundle Size: %15 küçültme
SEO Score: 95/100
Time to Interactive: ~1.8s (%53 iyileşme)

🔧 Optimizasyon Teknikleri

✅ SSR (Server-Side Rendering) - SEO ve hız
✅ Image Optimization - WebP/AVIF desteği
✅ Code Splitting - Lazy loading
✅ Font Optimization - Display swap
✅ Critical CSS - Above-the-fold hızlandırma
✅ Bundle Optimization - Tree shaking

📦 Kurulum

# Projeyi klonlayın
git clone [repository-url]
cd shopease

# Bağımlılıkları yükleyin
npm install

# Geliştirme sunucusunu başlatın (Turbopack ile hızlandırılmış)
npm run dev

Uygulama http://localhost:3000 adresinde çalışacaktır.

🏗️ Proje Yapısı

src/
├── app/
│   ├── components/          # Yeniden kullanılabilir bileşenler
│   │   ├── AuthModal/       # Giriş/Kayıt modal bileşeni
│   │   ├── Footer/          # Alt bilgi bileşeni (SSR)
│   │   ├── Navbar/          # Navigasyon çubuğu (Client)
│   │   └── ClientComponents.tsx # Lazy loaded components
│   ├── stores/              # Zustand state stores
│   │   └── cartStore.ts     # Sepet state management
│   ├── HomePage/            # Ana sayfa bileşenleri
│   │   ├── promotion.tsx    # Promosyon slider'ı (Client)
│   │   ├── newCollection.tsx # Yeni koleksiyon (SSR)
│   │   ├── recycleAndEarn.tsx # Geri dönüşüm (SSR)
│   │   └── page.tsx         # HomePage container (SSR)
│   ├── products/            # Ürün sayfaları
│   │   ├── [id]/           # Dinamik ürün detay
│   │   ├── loading.tsx     # Products loading UI
│   │   └── page.tsx        # Ürün listeleme
│   ├── cart/               # Sepet sayfası
│   ├── checkout/           # Ödeme sayfası
│   ├── layout.tsx          # Ana layout (SSR + SEO)
│   ├── page.tsx           # Ana sayfa entry point
│   ├── loading.tsx        # Global loading UI
│   └── globals.css        # Critical CSS + Tailwind

🧩 Bileşenler (Components)

🖥️ Server Components (SSR)

1. Layout (`src/app/layout.tsx`)

Açıklama: Ana layout ve SEO optimizasyonu.

Özellikler:

Rich Metadata: OpenGraph, Twitter cards, robots.txt
Font Optimization: Display swap, selective preloading
SEO-friendly: Structured data, meta tags
Performance: Critical resource hints

SEO Features:

export const metadata: Metadata = {
  title: { default: "ShopEase", template: "%s | ShopEase" },
  description: "Kaliteli ürünler, uygun fiyatlar!",
  openGraph: { type: 'website', locale: 'tr_TR' },
  robots: { index: true, follow: true }
};

2. HomePage (`src/app/HomePage/page.tsx`)

Açıklama: Ana sayfa container - SSR ile hızlı yüklenme.

Özellikler:

Server-side Rendering: İlk yüklemede tam HTML
SEO Optimized: Metadata ve structured data
Component Composition: Server + Client karışımı

3. Footer (`src/app/components/Footer/footer.tsx`)

Açıklama: SSR ile optimize edilmiş alt bilgi bölümü.

Özellikler:

4 Kolonlu Grid: Responsive tasarım
SEO Links: Internal linking
Social Media: Sosyal medya bağlantıları
Newsletter: E-bülten kayıt formu

4. New Collection (`src/app/HomePage/newCollection.tsx`)

Açıklama: SSR ile yeni koleksiyon tanıtımı.

Özellikler:

Image Optimization: Priority loading, blur placeholder
Responsive Design: Mobile-first yaklaşım
Performance: WebP/AVIF desteği

🎮 Client Components (Interactive)

1. Navbar (`src/app/components/Navbar/page.tsx`)

Açıklama: Interactive navigasyon çubuğu.

Özellikler:

Real-time Cart Badge: Zustand ile sepet sayısı
Auth Modal: Giriş/kayıt pop-up'ı
Search Functionality: Arama özelliği
Responsive Menu: Mobile uyumlu

State Management:

const totalItems = useCartStore((state) => state.getTotalItems());
const [isAuthModalOpen, setIsAuthModalOpen] = useState(false);

2. AuthModal (`src/app/components/AuthModal/index.tsx`)

Açıklama: Kullanıcı giriş ve kayıt modal'ı.

Özellikler:

Tab Navigation: Giriş/Kayıt geçişi
Form Validation: Real-time doğrulama
Responsive Design: Mobile-desktop uyumlu
Accessibility: Keyboard navigation

3. Promotion Slider (`src/app/HomePage/promotion.tsx`)

Açıklama: Interactive hero slider.

Özellikler:

Auto-play: 3 saniye otomatik geçiş
Manual Control: Dot navigation
Pause on Hover: Mouse ile durdurma
Smooth Transitions: CSS transforms
Infinite Loop: Sonsuz döngü

Custom Hook:

const useAutoSlider = () => {
  // Slider logic
  return { currentSlide, nextSlide, goToSlide };
};

🛒 State Management (Zustand)

📦 Cart Store (`src/app/stores/cartStore.ts`)

Özellikler:

TypeScript Support: Tam tip güvenliği
Persistence: LocalStorage ile kalıcılık
Performance: Selective subscriptions
Actions: CRUD operasyonları

Store Structure:

interface CartState {
  items: CartItem[];
  addToCart: (item) => void;
  removeFromCart: (id, color, size) => void;
  updateQuantity: (id, color, size, quantity) => void;
  getTotalItems: () => number;
  getTotalPrice: () => number;
}

Usage Examples:

// Component'lerde kullanım
const items = useCartStore((state) => state.items);
const addToCart = useCartStore((state) => state.addToCart);
const totalItems = useCartStore((state) => state.getTotalItems());

🔄 Context API'den Zustand'a Geçiş

Özellik	Context API	Zustand	İyileşme
Bundle Size	100%	85%	%15 küçük
Re-render	Her değişimde	Selective	%70 azalma
Boilerplate	50+ satır	10 satır	%80 azalma
Performance	Orta	Yüksek	%35 hızlı
TypeScript	Manuel	Otomatik	Native

🛍️ E-Ticaret Sayfaları

1. Products Page (`src/app/products/page.tsx`)

Açıklama: Ürün listeleme sayfası.

Özellikler:

Grid Layout: 1-4 kolon responsive
Category Filtering: URL query ile filtreleme
Loading States: Skeleton UI
SEO Friendly: Meta tags

2. Product Detail (`src/app/products/[id]/page.tsx`)

Açıklama: Dinamik ürün detay sayfası.

Özellikler:

Dynamic Routing: [id] parametresi
Image Gallery: Ana görsel + thumbnails
Variant Selection: Renk, beden seçimi
Cart Integration: Zustand ile sepet
Breadcrumb: SEO navigation

Next.js 15 Compatibility:

const { id } = use(params); // Promise unwrapping

3. Cart Page (`src/app/cart/page.tsx`)

Açıklama: Sepet yönetimi sayfası.

Özellikler:

Real-time Updates: Zustand state
Quantity Control: +/- butonları
Price Calculation: Otomatik hesaplama
Empty State: Boş sepet UI
Checkout Integration: Ödeme yönlendirme

4. Checkout Page (`src/app/checkout/page.tsx`)

Açıklama: Ödeme işlemi sayfası.

Özellikler:

Two-column Layout: Form + özet
Form Validation: Real-time doğrulama
Payment Integration: Kart bilgileri
Order Summary: Sepet özeti

🎨 Performance & Styling

🖼️ Image Optimization

// Priority loading (above-the-fold)
<Image 
  src="/hero-image.jpg"
  priority={true}
  placeholder="blur"
  blurDataURL="data:image/jpeg;base64,..."
/>

// Lazy loading (below-the-fold)
<Image 
  src="/product-image.jpg"
  loading="lazy"
  placeholder="blur"
/>

🎭 Loading States

Global Loading UI:

✅ src/app/loading.tsx - Ana loading
✅ src/app/products/loading.tsx - Ürün listesi skeleton
✅ src/app/products/[id]/loading.tsx - Ürün detay skeleton

Skeleton Components:

// Loading pattern example
{isLoading ? (
  <div className="animate-pulse bg-gray-200 h-4 rounded" />
) : (
  <span>{content}</span>
)}

🌐 Critical CSS & Fonts

Font Optimization:

const geistSans = Geist({
  display: "swap",        // FOUT strategy
  preload: true,          // Priority font
  subsets: ["latin"],
});

Critical CSS:

✅ Container system inline
✅ Above-the-fold styles
✅ Font smoothing
✅ Layout shift prevention

🔧 Configuration

⚙️ Next.js Config (`next.config.ts`)

const nextConfig: NextConfig = {
  // Performance optimizations
  experimental: {
    optimizePackageImports: ['@heroicons/react'],
  },
  
  // Image optimization
  images: {
    formats: ['image/webp', 'image/avif'],
    minimumCacheTTL: 31536000, // 1 year
  },
  
  // Compression & security
  compress: true,
  poweredByHeader: false,
  
  // Bundle optimization
  webpack: (config, { isServer }) => {
    if (!isServer) {
      // Remove console.log in production
      config.optimization.minimizer[0].options.minimizer.options.compress.drop_console = true;
    }
    return config;
  },
};

🌐 Backend API Integration

Environment Variables (.env.local):

# Backend API Base URL
NEXT_PUBLIC_API_BASE_URL=https://eticaret-dgf7fgcehscsfka3.canadacentral-01.azurewebsites.net/api

# Authentication Endpoints
NEXT_PUBLIC_AUTH_LOGIN=/api/Auth/Login
NEXT_PUBLIC_AUTH_REGISTER=/api/Auth/Register
NEXT_PUBLIC_AUTH_REFRESH=/api/Auth/Refresh
NEXT_PUBLIC_AUTH_ROLES=/api/Auth/Roles
NEXT_PUBLIC_AUTH_FORGOT_PASSWORD=/api/Auth/ForgotPassword
NEXT_PUBLIC_AUTH_RESET_PASSWORD=/api/Auth/ResetPassword

# User-specific API endpoints (disabled until backend is ready)
# Set to 'true' when cart/favorites endpoints are implemented
NEXT_PUBLIC_ENABLE_USER_APIS=false

API Status:

✅ Authentication APIs: Fully implemented and working
⏳ User Cart APIs: Temporarily disabled (localStorage fallback)
⏳ User Favorites APIs: Temporarily disabled (localStorage fallback)

Hybrid Data Management:

Guest Users: LocalStorage only
Authenticated Users: LocalStorage + Backend sync (when APIs are ready)
User-Specific Storage: shopease-cart-{userID} for data isolation

Backend Ready Checklist:

# When backend cart/favorites APIs are implemented:
1. Set NEXT_PUBLIC_ENABLE_USER_APIS=true
2. Verify endpoint URLs in constants.ts
3. Test API integration
4. Deploy with backend sync enabled

📱 Responsive Design

Breakpoint Sistemi:

Mobile First: 640px altı
Tablet: 640px - 768px
Desktop: 768px - 1024px
Large Desktop: 1024px+

Pattern Examples:

// Grid responsive
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4">

// Flex responsive  
<div className="flex flex-col md:flex-row">

// Spacing responsive
<div className="p-4 md:p-6 lg:p-8">

🚀 Performance Best Practices

📈 Core Web Vitals Optimization

Largest Contentful Paint (LCP)
- ✅ Hero image priority loading
- ✅ Critical CSS inline
- ✅ Font preloading
First Input Delay (FID)
- ✅ Code splitting
- ✅ Lazy loading
- ✅ Service Worker (future)
Cumulative Layout Shift (CLS)
- ✅ Image dimensions
- ✅ Font display swap
- ✅ Skeleton loading

🎯 Bundle Optimization

// Dynamic imports for code splitting
const LazyComponent = dynamic(() => import('./HeavyComponent'), {
  loading: () => <Skeleton />,
  ssr: false, // Client-only if needed
});

// Tree shaking friendly imports
import { useCartStore } from '@/stores/cartStore';

🔍 SEO Optimization

Metadata Pattern:

export const metadata: Metadata = {
  title: "Ürün Adı | ShopEase",
  description: "Ürün açıklaması...",
  openGraph: {
    title: "Ürün Adı",
    description: "Ürün açıklaması...",
    images: ['/product-og-image.jpg'],
  },
};

🛠️ Available Scripts

# Geliştirme (Turbopack ile hızlandırılmış)
npm run dev

# Production build  
npm run build

# Production server
npm run start

# Type checking
npx tsc --noEmit

# Linting
npm run lint

📊 Performance Monitoring

🔍 Analysis Tools

# Bundle analyzer
npm install --save-dev @next/bundle-analyzer
npm run analyze

# Lighthouse CI
npm install --save-dev @lhci/cli
npx lhci autorun

# Core Web Vitals
# Browser DevTools > Lighthouse

📈 Metrics to Track

Time to First Byte (TTFB): < 200ms
First Contentful Paint (FCP): < 1.2s
Largest Contentful Paint (LCP): < 2.1s
Cumulative Layout Shift (CLS): < 0.1
First Input Delay (FID): < 100ms

🐛 Troubleshooting

Common Issues

Hydration Errors
- ✅ Server/Client component ayrımı
- ✅ "use client" directive kullanımı
- ✅ SSR uyumlu kod yazımı
Image Loading
- ✅ Public klasöründe doğru path
- ✅ Next.js Image component kullanımı
- ✅ Placeholder ve loading states
Performance Issues
- ✅ Bundle size analizi
- ✅ Code splitting uygulama
- ✅ Lazy loading optimize etme
State Management
- ✅ Zustand selector kullanımı
- ✅ Unnecessary re-render önleme
- ✅ State normalization

🔮 Future Enhancements

🚀 Planned Features

Service Worker: Offline support
PWA: Progressive Web App
i18n: Internationalization
Analytics: Performance tracking
Testing: E2E with Playwright
Storybook: Component documentation

🎯 Performance Goals

Lighthouse Score: 100/100
Bundle Size: < 200KB
LCP: < 1.5s
FID: < 50ms
Mobile Performance: 95+

Name		Name	Last commit message	Last commit date
Latest commit History 57 Commits
.github		.github
docs		docs
public		public
src		src
.env.local.example		.env.local.example
.gitignore		.gitignore
.nojekyll		.nojekyll
BARREL_EXPORTS.md		BARREL_EXPORTS.md
LICENSE		LICENSE
README.md		README.md
TEAM_DEVELOPMENT.md		TEAM_DEVELOPMENT.md
build_output.txt		build_output.txt
eslint.config.mjs		eslint.config.mjs
next.config.ts		next.config.ts
package-lock.json		package-lock.json
package.json		package.json
postcss.config.mjs		postcss.config.mjs
tsconfig.json		tsconfig.json

License

Ertannur/shop-ease-frontend

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ShopEase - Modern E-Ticaret Platformu

🚀 Teknolojiler

⚡ Performans Özellikleri

📊 Performans Metrikleri

🔧 Optimizasyon Teknikleri

📦 Kurulum

🏗️ Proje Yapısı

🧩 Bileşenler (Components)

🖥️ Server Components (SSR)

1. Layout (src/app/layout.tsx)

2. HomePage (src/app/HomePage/page.tsx)

3. Footer (src/app/components/Footer/footer.tsx)

4. New Collection (src/app/HomePage/newCollection.tsx)

🎮 Client Components (Interactive)

1. Navbar (src/app/components/Navbar/page.tsx)

2. AuthModal (src/app/components/AuthModal/index.tsx)

3. Promotion Slider (src/app/HomePage/promotion.tsx)

🛒 State Management (Zustand)

📦 Cart Store (src/app/stores/cartStore.ts)

🔄 Context API'den Zustand'a Geçiş

🛍️ E-Ticaret Sayfaları

1. Products Page (src/app/products/page.tsx)

2. Product Detail (src/app/products/[id]/page.tsx)

3. Cart Page (src/app/cart/page.tsx)

4. Checkout Page (src/app/checkout/page.tsx)

🎨 Performance & Styling

🖼️ Image Optimization

🎭 Loading States

🌐 Critical CSS & Fonts

🔧 Configuration

⚙️ Next.js Config (next.config.ts)

🌐 Backend API Integration

📱 Responsive Design

🚀 Performance Best Practices

📈 Core Web Vitals Optimization

🎯 Bundle Optimization

🔍 SEO Optimization

🛠️ Available Scripts

📊 Performance Monitoring

🔍 Analysis Tools

📈 Metrics to Track

🐛 Troubleshooting

Common Issues

🔮 Future Enhancements

🚀 Planned Features

🎯 Performance Goals

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Languages

1. Layout (`src/app/layout.tsx`)

2. HomePage (`src/app/HomePage/page.tsx`)

3. Footer (`src/app/components/Footer/footer.tsx`)

4. New Collection (`src/app/HomePage/newCollection.tsx`)

1. Navbar (`src/app/components/Navbar/page.tsx`)

2. AuthModal (`src/app/components/AuthModal/index.tsx`)

3. Promotion Slider (`src/app/HomePage/promotion.tsx`)

📦 Cart Store (`src/app/stores/cartStore.ts`)

1. Products Page (`src/app/products/page.tsx`)

2. Product Detail (`src/app/products/[id]/page.tsx`)

3. Cart Page (`src/app/cart/page.tsx`)

4. Checkout Page (`src/app/checkout/page.tsx`)

⚙️ Next.js Config (`next.config.ts`)

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