next-sitemap.config.js

// Generated by scripts/generate-sitemap-excludes.js (runs during prebuild).
// Contains paths with noindex:true or a canonical pointing to a different URL.
let sitemapExcludes = [];
try {
    sitemapExcludes = require("./.sitemap-excludes.json");
} catch {
    // File not yet generated (e.g. first run without prebuild). Silently ignore.
}

// All valid content page paths — used for additionalPaths so that
// server-rendered pages (blog, changelog, faq, handbook, etc.) that are NOT
// statically pre-built are still included in the sitemap.
let allPages = [];
try {
    allPages = require("./.sitemap-all-pages.json");
} catch {
    // File not yet generated. Silently ignore.
}

const BASE_URL = process.env.CF_PAGES_URL ?? 'https://langfuse.com';

/** @type {import('next-sitemap').IConfig} */
module.exports = {
    siteUrl: BASE_URL,
    generateRobotsTxt: true,
    changefreq: 'daily',
    // Provide every content page explicitly so server-rendered pages
    // (not statically built) are included. next-sitemap deduplicates,
    // so static pages appearing in both discovery and here is fine.
    additionalPaths: async () => {
        const entries = [
            // Root
            { loc: '/', priority: 1, changefreq: 'daily', lastmod: new Date().toISOString() },
        ];
        for (const route of allPages) {
            entries.push({ loc: route, changefreq: 'daily', lastmod: new Date().toISOString() });
        }
        return entries;
    },
    exclude: [
        // Exclude _meta files and non-content routes
        '*/_meta',
        '/events/*',
        // Pages with noindex:true or a canonical override (generated by prebuild script).
        // Cookbook duplicate routes are already omitted from allPages.
        ...sitemapExcludes,
        // Exclude API routes for static export
        ...(process.env.STATIC_EXPORT === 'true' ? ['/api/*'] : [])
    ],
}