import type { MetadataRoute } from 'next';
import { defaultLocale, locales } from '@/i18n';
const origin = 'https://example.com';
const formatterLocalizedPath = (locale: string, path: string) =>
locale === defaultLocale ? `${origin}${path}` : `${origin}/${locale}${path}`;
/**
* Get a map of all locales and their localized paths
*
* Example output:
* {
* "en": "https://example.com",
* "fr": "https://example.com/fr",
* "es": "https://example.com/es",
* "x-default": "https://example.com"
* }
*/
const getLocalizedMap = (path: string) =>
Object.fromEntries([
...locales.map((locale) => [locale, formatterLocalizedPath(locale, path)]),
['x-default', formatterLocalizedPath(defaultLocale, path)],
]);
// Generate sitemap with all locale variants for better SEO
// The alternates field tells search engines about language versions
export default function sitemap(): MetadataRoute.Sitemap {
return [
{
url: formatterLocalizedPath(defaultLocale, '/'),
lastModified: new Date(),
changeFrequency: 'monthly',
priority: 1.0,
alternates: { languages: getLocalizedMap('/') },
},
{
url: formatterLocalizedPath(defaultLocale, '/about'),
lastModified: new Date(),
changeFrequency: 'monthly',
priority: 0.7,
alternates: { languages: getLocalizedMap('/about') },
},
];
}
