chore: use internal apis

packages/nuxt/src/app/components/island-renderer.ts

@@ -1,8 +1,8 @@
 import type { defineAsyncComponent } from 'vue'
 import { createVNode, defineComponent, onErrorCaptured } from 'vue'
 
-import { injectHead } from '@unhead/vue'
 import { createError } from '../composables/error'
+import { injectHead } from '../composables/head'
 
 // @ts-expect-error virtual file
 import { islandComponents } from '#build/components.islands.mjs'

packages/nuxt/src/app/composables/component.ts

@@ -1,8 +1,8 @@
 import { getCurrentInstance, reactive, toRefs } from 'vue'
 import type { DefineComponent, defineComponent } from 'vue'
-import { useHead } from '@unhead/vue'
 import type { NuxtApp } from '../nuxt'
 import { useNuxtApp } from '../nuxt'
+import { useHead } from './head'
 import { useAsyncData } from './asyncData'
 import { useRoute } from './router'
 import { createError } from './error'

packages/nuxt/src/app/composables/ssr.ts

@@ -1,12 +1,12 @@
 import type { H3Event } from 'h3'
 import { setResponseStatus as _setResponseStatus, appendHeader, getRequestHeader, getRequestHeaders, getResponseHeader, removeResponseHeader, setResponseHeader } from 'h3'
 import { computed, getCurrentInstance, ref } from 'vue'
-import { useServerHead } from '@unhead/vue'
 import type { H3Event$Fetch } from 'nitro/types'
 
 import type { NuxtApp } from '../nuxt'
 import { useNuxtApp } from '../nuxt'
 import { toArray } from '../utils'
+import { useServerHead } from './head'
 
 /** @since 3.0.0 */
 export function useRequestEvent (nuxtApp: NuxtApp = useNuxtApp()) {

packages/nuxt/src/app/nuxt.ts

@@ -9,7 +9,7 @@ import type { EventHandlerRequest, H3Event } from 'h3'
 import type { AppConfig, AppConfigInput, RuntimeConfig } from 'nuxt/schema'
 import type { RenderResponse } from 'nitro/types'
 import type { LogObject } from 'consola'
-import type { MergeHead, VueHeadClient } from '@unhead/vue'
+import type { MergeHead, VueHeadClient } from '@unhead/vue/types'
 
 import type { NuxtAppLiterals } from 'nuxt/app'
 

packages/nuxt/src/app/plugins/cross-origin-prefetch.client.ts

@@ -1,6 +1,6 @@
 import { ref } from 'vue'
-import { useHead } from '@unhead/vue'
 import { defineNuxtPlugin } from '../nuxt'
+import { useHead } from '../composables/head'
 
 const SUPPORTED_PROTOCOLS = ['http:', 'https:']
 

packages/nuxt/src/app/types/augments.d.ts

@@ -1,4 +1,4 @@
-import type { UseHeadInput } from '@unhead/vue'
+import type { UseHeadInput } from '@unhead/vue/types'
 import type { NuxtApp, useNuxtApp } from '../nuxt.js'
 
 declare global {

packages/nuxt/src/head/module.ts

@@ -1,7 +1,6 @@
-import { resolve } from 'pathe'
-import { addComponent, addImportsSources, addPlugin, addTemplate, defineNuxtModule, tryResolveModule } from '@nuxt/kit'
+import { dirname, resolve } from 'pathe'
+import { addComponent, addPlugin, addTemplate, defineNuxtModule, tryResolveModule } from '@nuxt/kit'
 import type { NuxtOptions } from '@nuxt/schema'
-import { unheadVueComposablesImports } from '@unhead/vue'
 import { distDir } from '../dirs'
 
 const components = ['NoScript', 'Link', 'Base', 'Title', 'Meta', 'Style', 'Head', 'Html', 'Body']
@@ -14,10 +13,6 @@ export default defineNuxtModule<NuxtOptions['unhead']>({
   async setup (options, nuxt) {
     const runtimeDir = resolve(distDir, 'head/runtime')
     const isNuxtV4 = nuxt.options.future?.compatibilityVersion === 4
-
-    // Transpile @unhead/vue
-    nuxt.options.build.transpile.push('@unhead/vue')
-
     // Register components
     const componentsPath = resolve(runtimeDir, 'components')
     for (const componentName of components) {
@@ -39,8 +34,9 @@ export default defineNuxtModule<NuxtOptions['unhead']>({
       ]
     }
 
-    const exportPath = resolve(runtimeDir, 'exports', isNuxtV4 ? 'v4' : 'v3')
-    nuxt.options.alias['#unhead/exports'] = exportPath
+    const realUnheadPath = await tryResolveModule('@unhead/vue', nuxt.options.modulesDir) || '@unhead/vue'
+    // Transpile @unhead/vue
+    nuxt.options.build.transpile.push(realUnheadPath)
 
     // for Nuxt v3 users we will alias `@unhead/vue` to our custom export path so that
     // import { useHead } from '@unhead/vue'
@@ -48,10 +44,34 @@ export default defineNuxtModule<NuxtOptions['unhead']>({
     // for Nuxt v4 user should import from #imports
     if (!isNuxtV4) {
       for (const subpath of ['legacy', 'types']) {
-        const subpathModule = `@unhead/vue/${subpath}`
-        nuxt.options.alias[subpathModule] = await tryResolveModule(subpathModule, nuxt.options.modulesDir) || subpathModule
+        nuxt.options.alias[`@unhead/vue/${subpath}`] = resolve(dirname(realUnheadPath), subpath)
       }
-      nuxt.options.alias['@unhead/vue'] = exportPath
+      addTemplate({
+        filename: 'unhead-exports.mjs',
+        getContents () {
+          return `
+export {
+  injectHead,
+  useHead,
+  useHeadSafe,
+  useSeoMeta,
+  useServerHead,
+  useServerHeadSafe,
+  useServerSeoMeta,
+} from '#app/composables/head'
+
+export {
+  createHeadCore,
+  resolveUnrefHeadInput,
+  unheadVueComposablesImports,
+} from '${JSON.stringify(realUnheadPath)}'
+
+export * from '@unhead/vue/types'
+`
+        },
+      })
+
+      nuxt.options.alias['@unhead/vue'] = '#build/unhead-exports.mjs'
     }
 
     addTemplate({

test/nuxt/composables.test.ts

@@ -120,6 +120,10 @@ describe('composables', () => {
       'useSeoMeta',
       'useServerSeoMeta',
       'usePreviewMode',
+      'injectHead',
+      'useHeadSafe',
+      'useServerHead',
+      'useServerHeadSafe',
     ]
     expect(Object.keys(composables).sort()).toEqual([...new Set([...testedComposables, ...skippedComposables])].sort())
   })