Cherry-pick #295 from dev to main (#360)

Co-authored-by: Leanid Shutau <leanidshutau@gmail.com>

Author: onlywei

.changeset/chilly-shoes-cheat.md

@@ -0,0 +1,6 @@
+---
+"@fastify/react": patch
+"@fastify/vue": patch
+---
+
+#295 fix: return reply in async handlers

examples/react-next-mini/renderer.js

@@ -15,7 +15,7 @@ function createRoute({ handler, errorHandler, route }, scope, config) {
   if (route.getServerSideProps) {
     // If getServerSideProps is provided, register JSON endpoint for it
     scope.get(`/json${route.path}`, async (req, reply) => {
-      reply.send(
+      return reply.send(
         await route.getServerSideProps({
           req,
           fetchJSON: scope.fetchJSON,

examples/vue-next-mini/renderer.js

@@ -23,7 +23,7 @@ async function createRoute({ handler, errorHandler, route }, scope, config) {
   if (route.getServerSideProps) {
     // If getServerSideProps is provided, register JSON endpoint for it
     scope.get(`/json${route.path}`, async (req, reply) => {
-      reply.send(
+      return reply.send(
         await route.getServerSideProps({
           req,
           ky: scope.ky,

packages/fastify-react/routing.js

@@ -134,7 +134,7 @@ export async function createRoute({ client, errorHandler, route }, scope, config
     scope.get(`/-/data${routePath}`, {
       onRequest,
       async handler(req, reply) {
-        reply.send(await route.getData(req.route))
+        return reply.send(await route.getData(req.route))
       },
     })
   }

packages/fastify-vue/routing.js

@@ -140,7 +140,7 @@ export async function createRoute({ client, errorHandler, route }, scope, config
     scope.get(`/-/data${routePath}`, {
       onRequest,
       async handler(req, reply) {
-        reply.send(await route.getData(req.route))
+        return reply.send(await route.getData(req.route))
       },
     })
   }