fix(app): unique prerender app id

Author: pi0

src/runtime/internal/app.ts

@@ -30,15 +30,22 @@ import {
 } from "#nitro/virtual/feature-flags";
 
 declare global {
- var __nitro__: NitroApp | undefined;
+ var __nitro__:
+ | Partial<
+ Record<"default" | "prerender" | (string & {}), NitroApp | undefined>
+ >
+ | undefined;
 }
 
-export function useNitroApp(): NitroApp {
- return (globalThis.__nitro__ ??= initNitroApp());
+const APP_ID = import.meta.prerender ? "prerender" : "default";
+
+export function useNitroApp(_id = APP_ID): NitroApp {
+ globalThis.__nitro__ ??= {};
+ return (globalThis.__nitro__[_id] ??= initNitroApp());
 }
 
-export function useNitroHooks(): HookableCore<NitroRuntimeHooks> {
- const nitroApp = useNitroApp();
+export function useNitroHooks(_id = APP_ID): HookableCore<NitroRuntimeHooks> {
+ const nitroApp = useNitroApp(_id);
  const hooks = nitroApp.hooks;
  if (hooks) {
  return hooks;

src/runtime/nitro.ts

@@ -20,7 +20,10 @@ export function serverFetch(
  init?: RequestInit,
  context?: ServerRequestContext | H3EventContext
 ): Promise<Response> {
- const nitro = globalThis.__nitro__ || globalThis.__nitro_builder__;
+ const nitro =
+ globalThis.__nitro__?.default ||
+ globalThis.__nitro__?.prerender ||
+ globalThis.__nitro_builder__;
  if (!nitro) {
  return Promise.reject(new Error("Nitro instance is not available."));
  }