feat(SW-508): preview for content pages

middlewares/cmsContent.ts

@@ -2,7 +2,6 @@ import { NextResponse } from "next/server"
 
 import { notFound } from "@/server/errors/next"
 
-import { resolve as resolveEntry } from "@/utils/entry"
 import { findLang } from "@/utils/languages"
 import { removeTrailingSlash } from "@/utils/url"
 
@@ -18,17 +17,21 @@ export const middleware: NextMiddleware = async (request) => {
 
   const pathWithoutTrailingSlash = removeTrailingSlash(nextUrl.pathname)
 
-  const pathNameWithoutLang = pathWithoutTrailingSlash.replace(`/${lang}`, "")
+  const contentTypePathName = pathWithoutTrailingSlash.replace(`/${lang}`, "")
+  const isPreview = request.nextUrl.pathname.includes("/preview")
+
   const searchParams = new URLSearchParams(request.nextUrl.searchParams)
 
   const { contentType, uid } = await fetchAndCacheEntry(
-    pathNameWithoutLang,
+    isPreview
+      ? contentTypePathName.replace("/preview", "")
+      : contentTypePathName,
     lang
   )
 
   if (!contentType || !uid) {
     throw notFound(
-      `Unable to resolve CMS entry for locale "${lang}": ${pathNameWithoutLang}`
+      `Unable to resolve CMS entry for locale "${lang}": ${contentTypePathName}`
     )
   }
   const headers = getDefaultRequestHeaders(request)
@@ -37,9 +40,9 @@ export const middleware: NextMiddleware = async (request) => {
 
   const isCurrent = contentType ? contentType.indexOf("current") >= 0 : false
 
-  if (request.nextUrl.pathname.includes("/preview")) {
+  if (isPreview) {
     if (isCurrent) {
-      searchParams.set("uri", pathNameWithoutLang.replace("/preview", ""))
+      searchParams.set("uri", contentTypePathName.replace("/preview", ""))
       return NextResponse.rewrite(
         new URL(`/${lang}/preview-current?${searchParams.toString()}`, nextUrl),
         {
@@ -65,7 +68,7 @@ export const middleware: NextMiddleware = async (request) => {
 
   if (isCurrent) {
     searchParams.set("uid", uid)
-    searchParams.set("uri", pathNameWithoutLang)
+    searchParams.set("uri", contentTypePathName)
     return NextResponse.rewrite(
       new URL(
         `/${lang}/current-content-page?${searchParams.toString()}`,