Replace isIslandRequest util with check if nonce already exist

Signed-off-by: Pascal Sthamer <[email protected]>

src/runtime/nitro/plugins/40-cspSsrNonce.ts

@@ -1,7 +1,6 @@
 import { defineNitroPlugin } from '#imports'
 import { randomBytes } from 'node:crypto'
 import { resolveSecurityRules } from '../context'
-import { isIslandRequest } from '../../../utils/island'
 
 const LINK_RE = /<link([^>]*?>)/gi
 const SCRIPT_RE = /<script([^>]*?>)/gi
@@ -20,10 +19,10 @@ export default defineNitroPlugin((nitroApp) => {
 
   // Genearate a 16-byte random nonce for each request.
   nitroApp.hooks.hook('request', (event) => {
-    if (isIslandRequest(event)) {
+    if (event.context.security?.nonce) {
       // When rendering server-only (NuxtIsland) components, each component will trigger a request event.
       // The request context is shared between the event that renders the actual page and the island request events.
-      // We only generate the nonce once for the page event.
+      // Make sure to only generate the nonce once.
       return
     }