fix(schema): use ConfigLayer type from c12 (#29370)

packages/schema/package.json

@@ -45,7 +45,6 @@
     "@vue/compiler-core": "3.5.12",
     "@vue/compiler-sfc": "3.5.12",
     "@vue/language-core": "2.1.6",
-    "c12": "2.0.1",
     "esbuild-loader": "4.2.2",
     "h3": "1.12.0",
     "ignore": "6.0.2",
@@ -63,6 +62,7 @@
     "webpack-dev-middleware": "7.4.2"
   },
   "dependencies": {
+    "c12": "^2.0.1",
     "compatx": "^0.1.8",
     "consola": "^3.2.3",
     "defu": "^6.1.4",

packages/schema/src/types/config.ts

@@ -5,6 +5,7 @@ import type { Options as VueJsxPluginOptions } from '@vitejs/plugin-vue-jsx'
 import type { SchemaDefinition } from 'untyped'
 import type { NitroRuntimeConfig, NitroRuntimeConfigApp } from 'nitropack'
 import type { SnakeCase } from 'scule'
+import type { ResolvedConfig } from 'c12'
 import type { ConfigSchema } from '../../schema/config'
 import type { Nuxt } from './nuxt'
 import type { AppHeadMetaObject } from './head'
@@ -61,16 +62,12 @@ export interface NuxtConfig extends DeepPartial<Omit<ConfigSchema, 'vite' | 'run
   $schema?: SchemaDefinition
 }
 
-// TODO: Expose ConfigLayer<T> from c12
-interface ConfigLayer<T> {
-  config: T
-  cwd: string
-  configFile: string
-}
-export type NuxtConfigLayer = ConfigLayer<NuxtConfig & {
+export type NuxtConfigLayer = ResolvedConfig<NuxtConfig & {
   srcDir: ConfigSchema['srcDir']
   rootDir: ConfigSchema['rootDir']
-}>
+}> & {
+  cwd: string
+}
 
 export interface NuxtBuilder {
   bundle: (nuxt: Nuxt) => Promise<void>

pnpm-lock.yaml

@@ -666,6 +666,9 @@ importers:
 
   packages/schema:
     dependencies:
+      c12:
+        specifier: ^2.0.1
+        version: 2.0.1(magicast@0.3.5)
       compatx:
         specifier: ^0.1.8
         version: 0.1.8
@@ -736,9 +739,6 @@ importers:
       '@vue/language-core':
         specifier: 2.1.6
         version: 2.1.6(typescript@5.6.3)
-      c12:
-        specifier: 2.0.1
-        version: 2.0.1(magicast@0.3.5)
       esbuild-loader:
         specifier: 4.2.2
         version: 4.2.2(webpack@5.95.0)