feat(WEB-209): revalidate my pages navigation on demand

server/errors/next.ts

@@ -1,13 +1,27 @@
 import { NextResponse } from "next/server"
 
-export function badRequest() {
-  return new NextResponse("Bad request", {
+export function badRequest(body: unknown | string = "Bad request") {
+  const resInit = {
     status: 400,
-  })
+  }
+
+  if (typeof body === "string") {
+    return new NextResponse(body, resInit)
+  }
+
+  return NextResponse.json(body, resInit)
 }
 
-export function internalServerError() {
-  return new NextResponse("Internal Server Error", {
+export function internalServerError(
+  body: unknown | string = "Internal Server Error"
+) {
+  const resInit = {
     status: 500,
-  })
+  }
+
+  if (typeof body === "string") {
+    return new NextResponse(body, resInit)
+  }
+
+  return NextResponse.json(body, resInit)
 }