feat(nuxt3): pass rendered HTML to hook

docs/content/3.api/4.advanced/1.hooks.md

@@ -16,6 +16,7 @@ Hook                   | Arguments         | Description
 `app:suspense:resolve` | `appComponent`    | On [Suspense](https://vuejs.org/guide/built-ins/suspense.html#suspense) resolved event
 `page:start`           | `pageComponent`   | On [Suspense](https://vuejs.org/guide/built-ins/suspense.html#suspense) pending event
 `page:finish`          | `pageComponent`   | On [Suspense](https://vuejs.org/guide/built-ins/suspense.html#suspense) resolved event
+`page:rendered`        | `html`            | When SSR rendering for the whole page is done
 `meta:register`        | `metaRenderers`   | (internal)
 `vue:setup`            | -                 | (internal)
 

packages/nuxt3/src/app/nuxt.ts

@@ -23,6 +23,7 @@ export interface RuntimeNuxtHooks {
   'app:beforeMount': (app: App<Element>) => HookResult
   'app:mounted': (app: App<Element>) => HookResult
   'app:rendered': () => HookResult
+  'page:rendered': (html: string) => HookResult
   'app:suspense:resolve': (Component?: VNode) => HookResult
   'app:error': (err: any) => HookResult
   'app:error:cleared': (options: { redirect?: string }) => HookResult

packages/nuxt3/src/core/runtime/nitro/renderer.ts

@@ -133,6 +133,7 @@ export default eventHandler(async (event) => {
     event.res.setHeader('Content-Type', 'text/javascript;charset=UTF-8')
   } else {
     data = await renderHTML(payload, rendered, ssrContext)
+    await ssrContext.nuxt.hooks.callHook('page:rendered')(data)
     event.res.setHeader('Content-Type', 'text/html;charset=UTF-8')
   }