perf(nuxt): remove state from nuxt island response (#26863)

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

@@ -77,7 +77,6 @@ export interface NuxtIslandContext {
 export interface NuxtIslandResponse {
   id?: string
   html: string
-  state: Record<string, any>
   head: {
     link: (Record<string, string>)[]
     style: ({ innerHTML: string, key: string })[]
@@ -496,7 +495,6 @@ export default defineRenderHandler(async (event): Promise<Partial<RenderResponse
       id: islandContext.id,
       head: islandHead,
       html: getServerComponentHTML(htmlContext.body),
-      state: ssrContext.payload.state,
       components: getClientIslandResponse(ssrContext),
       slots: getSlotIslandResponse(ssrContext),
     }

test/basic.test.ts

@@ -2029,7 +2029,6 @@ describe('component islands', () => {
         },
         "html": "<pre data-island-uid>    Route: /foo
         </pre>",
-        "state": {},
       }
     `)
   })
@@ -2088,7 +2087,6 @@ describe('component islands', () => {
             ],
           },
         },
-        "state": {},
       }
     `)
   })
@@ -2117,7 +2115,6 @@ describe('component islands', () => {
         "html": "<div data-island-uid> This is a .server (20ms) async component that was very long ... <div id="async-server-component-count">2</div><div class="sugar-counter"> Sugar Counter 12 x 1 = 12 <button> Inc </button></div><!--[--><div style="display: contents;" data-island-uid data-island-slot="default"><!--teleport start--><!--teleport end--></div><!--]--></div>",
         "props": {},
         "slots": {},
-        "state": {},
       }
     `)
   })
@@ -2144,7 +2141,6 @@ describe('component islands', () => {
           },
           "html": "<div data-island-uid> ServerWithClient.server.vue : <p>count: 0</p> This component should not be preloaded <div><!--[--><div>a</div><div>b</div><div>c</div><!--]--></div> This is not interactive <div class="sugar-counter"> Sugar Counter 12 x 1 = 12 <button> Inc </button></div><div class="interactive-component-wrapper" style="border:solid 1px red;"> The component bellow is not a slot but declared as interactive <!--[--><div style="display: contents;" data-island-uid data-island-component="Counter"></div><!--teleport start--><!--teleport end--><!--]--></div></div>",
           "slots": {},
-          "state": {},
         }
       `)
       expect(teleportsEntries).toHaveLength(1)
@@ -2224,12 +2220,6 @@ describe('component islands', () => {
         bool: false
       }</pre></div>"
     `)
-
-    expect(result.state).toMatchInlineSnapshot(`
-      {
-        "$shasRouter": true,
-      }
-    `)
   })
 
   it('test client-side navigation', async () => {