SEO Toolkit

import { buildMetadata, buildProductJsonLd } from '@/lib/seo'
import type { Metadata } from 'next'

export async function generateMetadata({ params }): Promise<Metadata> {
  const product = await getProduct(params.slug)
  return buildMetadata({
    title: product.name,
    description: product.description,
    ogImage: product.imageUrl,
    canonical: `/products/${params.slug}`,
  })
}

export default async function ProductPage({ params }) {
  const product = await getProduct(params.slug)
  const jsonLd = buildProductJsonLd({
    name: product.name,
    description: product.description,
    price: product.price,
    currency: 'USD',
    imageUrl: product.imageUrl,
    url: `/products/${params.slug}`,
  })

  return (
    <>
      <script
        type="application/ld+json"
        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
      />
      {/* page content */}
    </>
  )
}

import { generateSitemap } from '@/lib/seo'
import { getAllProducts } from '@/lib/db'

export default async function sitemap() {
  const products = await getAllProducts()
  return generateSitemap([
    { url: '/', lastModified: new Date() },
    { url: '/products', lastModified: new Date() },
    ...products.map((p) => ({
      url: `/products/${p.slug}`,
      lastModified: new Date(p.updatedAt),
    })),
  ])
}

import { robotsTxt } from '@/lib/seo'
export default function robots() { return robotsTxt() }