fix: correct router registration

src/devtools-handlers.ts

@@ -20,6 +20,7 @@ import {
   postHandler as htmlValidatePost,
   deleteHandler as htmlValidateDelete,
 } from './runtime/html-validate/api-handlers'
+import { addDevServerHandler } from '@nuxt/kit'
 
 export {
   getHydrationMismatches,
@@ -30,8 +31,10 @@ export {
   clearHtmlValidateReport,
 }
 
-export function createHintsRouter() {
-  const router = createRouter()
+function createHintsRouter() {
+  const router = createRouter({
+    preemptive: true,
+  })
 
   router.get('/hydration', hydrationGet)
   router.post('/hydration', hydrationPost)
@@ -47,3 +50,12 @@ export function createHintsRouter() {
 
   return router
 }
+
+export function registerDevServerHandlers() {
+  const router = createHintsRouter()
+
+  addDevServerHandler({
+    route: '/__nuxt_hints',
+    handler: router.handler,
+  })
+}

src/devtools.ts

@@ -7,13 +7,13 @@ import { joinURL } from 'ufo'
 import type { HintsClientFunctions, HintsServerFunctions } from './runtime/core/rpc-types'
 import { RPC_NAMESPACE } from './runtime/core/rpc-types'
 import {
-  createHintsRouter,
   getHydrationMismatches,
   clearHydrationMismatches,
   getLazyLoadHints,
   clearLazyLoadHint,
   getHtmlValidateReports,
   clearHtmlValidateReport,
+  registerDevServerHandlers,
 } from './devtools-handlers'
 
 const DEVTOOLS_UI_ROUTE = '/__nuxt-hints'
@@ -54,10 +54,7 @@ export function setupDevToolsUI(nuxt: Nuxt, resolver: Resolver) {
     },
   }, nuxt)
 
-  addDevServerHandler({
-    route: '/__nuxt_hints',
-    handler: createHintsRouter().handler,
-  })
+  registerDevServerHandlers()
 
   onDevToolsInitialized(() => {
     const rpc = extendServerRpc<HintsClientFunctions, HintsServerFunctions>(RPC_NAMESPACE, {