chore: revert red herring

Author: orinokai

edge-runtime/lib/util.ts

@@ -60,27 +60,18 @@ export interface PathLocale {
  */
 export function normalizeLocalePath(pathname: string, locales?: string[]): PathLocale {
   let detectedLocale: string | undefined
-
-  // normalize the locales to lowercase
-  const normalizedLocales = locales?.map((loc) => loc.toLowerCase())
-
-  // split the pathname into parts, removing the leading slash
-  const pathnameParts = pathname.substring(1).split('/')
-
-  // split the first part of the pathname to check if it's a locale
-  const localeParts = pathnameParts[0].toLowerCase().split('-')
-
-  // check if the first part of the pathname is a locale
-  // by matching the given locales, with decreasing specificity
-  for (let i = localeParts.length; i > 0; i--) {
-    const localePart = localeParts.slice(0, i).join('-')
-    if (normalizedLocales?.includes(localePart)) {
-      detectedLocale = localeParts.join('-')
-      pathname = `/${pathnameParts.slice(1).join('/')}`
-      break
+  // first item will be empty string from splitting at first char
+  const pathnameParts = pathname.split('/')
+
+  ;(locales || []).some((locale) => {
+    if (pathnameParts[1] && pathnameParts[1].toLowerCase() === locale.toLowerCase()) {
+      detectedLocale = locale
+      pathnameParts.splice(1, 1)
+      pathname = pathnameParts.join('/')
+      return true
     }
-  }
-
+    return false
+  })
   return {
     pathname,
     detectedLocale,