fix(types): remove extends ImportMeta from ModuleRunnerImportMeta

packages/vite/package.json

@@ -65,7 +65,7 @@
     "build-types": "pnpm build-types-roll && pnpm build-types-check",
     "build-types-roll": "rolldown --config rolldown.dts.config.ts",
     "build-types-check": "tsc --project tsconfig.check.json",
-    "typecheck": "tsc && tsc -p src/node && tsc -p src/module-runner && tsc -p src/shared && tsc -p src/node/__tests_dts__",
+    "typecheck": "tsc && tsc -p src/node && tsc -p src/module-runner && tsc -p src/shared && tsc -p src/node/__tests_dts__ && tsc -p src/module-runner/__tests_dts__",
     "lint": "eslint --cache --ext .ts src/**",
     "format": "prettier --write --cache --parser typescript \"src/**/*.ts\"",
     "generate-target": "tsx scripts/generateTarget.ts",

packages/vite/src/module-runner/__tests_dts__/importMeta.ts

@@ -0,0 +1,20 @@
+/**
+ * Type test to verify ModuleRunnerImportMeta is structurally compatible
+ * with ImportMeta (including @types/node augmentations).
+ *
+ * This replaces `extends ImportMeta` in the interface declaration with a
+ * test-only assignability check that won't cause TS2717 "subsequent property
+ * declarations must have the same type" errors in consumer projects using
+ * skipLibCheck: false with augmented ImportMeta.
+ */
+
+import type { ExpectExtends, ExpectTrue } from '@type-challenges/utils'
+import type { ModuleRunnerImportMeta } from '../types'
+
+export type cases = [
+  // Ensure ModuleRunnerImportMeta is assignable to ImportMeta
+  // (which includes @types/node augmentations: dirname, filename, url, resolve, main)
+  ExpectTrue<ExpectExtends<ImportMeta, ModuleRunnerImportMeta>>,
+]
+
+export {}

packages/vite/src/module-runner/__tests_dts__/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../../tsconfig.base.json",
+  "compilerOptions": {
+    "isolatedDeclarations": false,
+    "declaration": false
+  },
+  "include": ["../", "../../types"],
+  "exclude": ["../**/__tests__"]
+}

packages/vite/src/module-runner/createImportMeta.ts

@@ -25,15 +25,15 @@ export function createDefaultImportMeta(
     resolve(_id: string, _parent?: string) {
       throw new Error('[module runner] "import.meta.resolve" is not supported.')
     },
+    main: false,
     // should be replaced during transformation
     glob() {
       throw new Error(
         `[module runner] "import.meta.glob" is statically replaced during ` +
           `file transformation. Make sure to reference it by the full name.`,
       )
     },
-    // @types/node adds `main` to `import.meta`, but we don't add that for the defaultImportMeta
-  } satisfies Omit<ModuleRunnerImportMeta, 'main'> as any
+  }
 }
 
 /**

packages/vite/src/module-runner/types.ts

@@ -24,10 +24,15 @@ import type { InterceptorOptions } from './sourcemap/interceptor'
 
 export type { DefineImportMetadata, SSRImportMetadata }
 
-export interface ModuleRunnerImportMeta extends ImportMeta {
+export interface ModuleRunnerImportMeta {
   url: string
   env: ImportMetaEnv
   hot?: ViteHotContext
+  dirname: string
+  filename: string
+  glob: (...args: any[]) => any
+  resolve(specifier: string, parent?: string): string
+  main: boolean
   [key: string]: any
 }