Fertig

lib/seo.ts

@@ -0,0 +1,166 @@
+import type { Metadata } from "next";
+import { siteConfig } from "@/data/site-content";
+
+type PageMetadataInput = {
+  title: string;
+  description: string;
+  path: string;
+  image?: string;
+};
+
+type FaqEntry = {
+  question: string;
+  answer: string;
+};
+
+type ItemListEntry = {
+  name: string;
+  path?: string;
+};
+
+export function buildMetadataBase() {
+  const rawUrl = process.env.NEXT_PUBLIC_SITE_URL || siteConfig.siteUrl;
+
+  return new URL(rawUrl.endsWith("/") ? rawUrl : `${rawUrl}/`);
+}
+
+export function buildAbsoluteUrl(path: string) {
+  return new URL(path, buildMetadataBase()).toString();
+}
+
+export function buildPageMetadata({
+  title,
+  description,
+  path,
+  image = siteConfig.defaultOgImage,
+}: PageMetadataInput): Metadata {
+  return {
+    title,
+    description,
+    alternates: {
+      canonical: path,
+    },
+    openGraph: {
+      title,
+      description,
+      url: path,
+      images: [
+        {
+          url: image,
+          alt: title,
+        },
+      ],
+    },
+    twitter: {
+      card: "summary_large_image",
+      title,
+      description,
+      images: [image],
+    },
+  };
+}
+
+export function websiteSchema() {
+  return {
+    "@type": "WebSite",
+    name: siteConfig.name,
+    url: buildAbsoluteUrl("/"),
+  };
+}
+
+export function businessSchema() {
+  return {
+    "@type": "LocalBusiness",
+    name: siteConfig.name,
+    url: buildAbsoluteUrl("/"),
+    description: siteConfig.description,
+    logo: buildAbsoluteUrl(siteConfig.brand.primaryLogo),
+    image: buildAbsoluteUrl(siteConfig.defaultOgImage),
+    telephone: siteConfig.phoneDisplay,
+    address: {
+      "@type": "PostalAddress",
+      streetAddress: siteConfig.address.street,
+      addressLocality: "Corpus Christi",
+      addressRegion: "TX",
+      postalCode: "78405",
+      addressCountry: "US",
+    },
+    sameAs: siteConfig.socials.map((social) => social.href),
+    contactPoint: [
+      {
+        "@type": "ContactPoint",
+        telephone: siteConfig.phoneDisplay,
+        contactType: "customer service",
+        areaServed: "Corpus Christi, TX",
+      },
+    ],
+    openingHoursSpecification: [
+      {
+        "@type": "OpeningHoursSpecification",
+        dayOfWeek: ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday"],
+        opens: "08:00",
+        closes: "17:00",
+      },
+    ],
+  };
+}
+
+export function localBusinessSchema() {
+  return {
+    "@context": "https://schema.org",
+    ...businessSchema(),
+  };
+}
+
+export function breadcrumbSchema(items: { name: string; path: string }[]) {
+  return {
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    itemListElement: items.map((item, index) => ({
+      "@type": "ListItem",
+      position: index + 1,
+      name: item.name,
+      item: buildAbsoluteUrl(item.path),
+    })),
+  };
+}
+
+export function faqPageSchema(items: FaqEntry[]) {
+  return {
+    "@context": "https://schema.org",
+    "@type": "FAQPage",
+    mainEntity: items.map((item) => ({
+      "@type": "Question",
+      name: item.question,
+      acceptedAnswer: {
+        "@type": "Answer",
+        text: item.answer,
+      },
+    })),
+  };
+}
+
+export function itemListSchema({
+  name,
+  path,
+  items,
+}: {
+  name: string;
+  path: string;
+  items: ItemListEntry[];
+}) {
+  return {
+    "@context": "https://schema.org",
+    "@type": "ItemList",
+    name,
+    url: buildAbsoluteUrl(path),
+    numberOfItems: items.length,
+    itemListOrder: "https://schema.org/ItemListOrderAscending",
+    itemListElement: items.map((item, index) => ({
+      "@type": "ListItem",
+      position: index + 1,
+      name: item.name,
+      url: item.path ? buildAbsoluteUrl(item.path) : undefined,
+    })),
+  };
+}