chore: heygermany customer project

apps/website/lib/sitemap.ts

@@ -0,0 +1,94 @@
+import { DEFAULT_LOCALE, LOCALES } from '../config'
+
+const PUBLIC_LOCALIZED_PATHS = ['/', '/about', '/jobs/apply'] as const
+const LEGAL_PATHS = [
+  '/legal/imprint',
+  '/legal/privacy',
+  '/legal/terms-and-conditions',
+] as const
+
+type SitemapPage = {
+  path: string
+  sitemap: {
+    lastmod: string
+    changefreq: 'weekly' | 'monthly' | 'yearly'
+    priority: number
+    alternateRefs?: Array<{
+      href: string
+      hreflang: string
+    }>
+  }
+}
+
+function normalizePath(pathname: string): string {
+  if (!pathname || pathname === '/') {
+    return '/'
+  }
+
+  return pathname.startsWith('/') ? pathname : `/${pathname}`
+}
+
+function getLocalizedPath(locale: string, pathname = '/'): string {
+  const normalizedPath = normalizePath(pathname)
+
+  return normalizedPath === '/'
+    ? `/${locale}`
+    : `/${locale}${normalizedPath}`
+}
+
+const getLocalizedChangeFrequency = (
+  pathname: (typeof PUBLIC_LOCALIZED_PATHS)[number]
+): SitemapPage['sitemap']['changefreq'] => {
+  return pathname === '/' ? 'weekly' : 'monthly'
+}
+
+function getAlternateRefs(pathname: (typeof PUBLIC_LOCALIZED_PATHS)[number]) {
+  return [
+    ...LOCALES.map((locale) => ({
+      href: getLocalizedPath(locale, pathname),
+      hreflang: locale,
+    })),
+    {
+      href: getLocalizedPath(DEFAULT_LOCALE, pathname),
+      hreflang: 'x-default',
+    },
+  ]
+}
+
+export function getSitemapPages(lastModified = new Date()): SitemapPage[] {
+  const lastmod = lastModified.toISOString().split('T')[0]!
+
+  const localizedPages: SitemapPage[] = LOCALES.flatMap((locale) =>
+    PUBLIC_LOCALIZED_PATHS.map((pathname) => ({
+      path: getLocalizedPath(locale, pathname),
+      sitemap: {
+        lastmod,
+        changefreq: getLocalizedChangeFrequency(pathname),
+        priority: pathname === '/' ? 1 : 0.8,
+        alternateRefs: getAlternateRefs(pathname),
+      },
+    }))
+  )
+
+  const legalPages: SitemapPage[] = LEGAL_PATHS.map((pathname) => ({
+    path: getLocalizedPath(DEFAULT_LOCALE, pathname),
+    sitemap: {
+      lastmod,
+      changefreq: 'yearly',
+      priority: 0.3,
+    },
+  }))
+
+  return [
+    ...localizedPages,
+    ...legalPages,
+    {
+      path: '/pilot',
+      sitemap: {
+        lastmod,
+        changefreq: 'weekly',
+        priority: 0.8,
+      },
+    },
+  ]
+}