feat(WEB-132): add middlewares, support for seamless login and improve lang based routes

middlewares/cmsContent.ts

@@ -0,0 +1,40 @@
+import { NextResponse } from "next/server"
+
+import { findLang } from "@/constants/languages"
+
+import type { NextMiddleware } from "next/server"
+
+import { MiddlewareMatcher } from "@/types/middleware"
+
+export const middleware: NextMiddleware = async (request) => {
+  const { nextUrl } = request
+  const lang = findLang(nextUrl.pathname)
+
+  const contentType = "currentContentPage"
+  const pathNameWithoutLang = nextUrl.pathname.replace(`/${lang}`, "")
+  const searchParams = new URLSearchParams(request.nextUrl.searchParams)
+
+  if (request.nextUrl.pathname.includes("preview")) {
+    searchParams.set("uri", pathNameWithoutLang.replace("/preview", ""))
+    return NextResponse.rewrite(
+      new URL(`/${lang}/preview-current?${searchParams.toString()}`, nextUrl)
+    )
+  }
+
+  searchParams.set("uri", pathNameWithoutLang)
+  switch (contentType) {
+    case "currentContentPage":
+      return NextResponse.rewrite(
+        new URL(
+          `/${lang}/current-content-page?${searchParams.toString()}`,
+          nextUrl
+        )
+      )
+    default:
+      return NextResponse.next()
+  }
+}
+
+export const matcher: MiddlewareMatcher = (request) => {
+  return true
+}