update sitemap and metadata to new url structure

Author: pettinarip

next-sitemap.config.js

@@ -1,16 +1,30 @@
 const i18nConfig = require("./i18n.config.json")
 const locales = i18nConfig.map(({ code }) => code)
 
+const defaultLocale = "en"
+
 /** @type {import('next-sitemap').IConfig} */
 module.exports = {
   siteUrl: process.env.SITE_URL || "https://ethereum.org",
   generateRobotsTxt: true,
   transform: async (_, path) => {
     const rootPath = path.split("/")[1]
     if (path.endsWith("/404")) return null
-    const isDefaultLocale = !locales.includes(rootPath) || rootPath === "en"
+    const isDefaultLocale =
+      !locales.includes(rootPath) || rootPath === defaultLocale
+
+    // Strip default-locale (en) prefix from paths; drop the `/en` root entry
+    let loc = path
+    if (rootPath === defaultLocale) {
+      // Drop the `/en` root entry to avoid duplicating `/`
+      if (path === `/${defaultLocale}` || path === `/${defaultLocale}/`)
+        return null
+      const defaultLocalePrefix = new RegExp(`^/${defaultLocale}(/|$)`)
+      loc = path.replace(defaultLocalePrefix, "/")
+    }
+
     return {
-      loc: path,
+      loc,
       changefreq: isDefaultLocale ? "weekly" : "monthly",
       priority: isDefaultLocale ? 0.7 : 0.5,
     }

src/lib/utils/url.ts

@@ -50,7 +50,9 @@ export const addSlashes = (href: string): string => {
 }
 
 export const getFullUrl = (locale: string | undefined, path: string) =>
-  addSlashes(new URL(join(locale || DEFAULT_LOCALE, path), SITE_URL).href)
+  DEFAULT_LOCALE === locale || !locale
+    ? addSlashes(new URL(path, SITE_URL).href)
+    : addSlashes(new URL(join(locale, path), SITE_URL).href)
 
 // Remove trailing slash from slug and add leading slash
 export const normalizeSlug = (slug: string) => {