fix(vite-node): provide import.meta.filename and dirname (#5011)

package.json

@@ -43,7 +43,7 @@
     "@rollup/plugin-commonjs": "^25.0.7",
     "@rollup/plugin-json": "^6.0.1",
     "@rollup/plugin-node-resolve": "^15.2.3",
-    "@types/node": "^18.18.9",
+    "@types/node": "^20.11.5",
     "@types/ws": "^8.5.9",
     "@vitest/browser": "workspace:*",
     "@vitest/coverage-istanbul": "workspace:*",

packages/vite-node/src/client.ts

@@ -296,7 +296,14 @@ export class ViteNodeRunner {
     const modulePath = cleanUrl(moduleId)
     // disambiguate the `<UNIT>:/` on windows: see nodejs/node#31710
     const href = pathToFileURL(modulePath).href
-    const meta = { url: href, env }
+    const __filename = fileURLToPath(href)
+    const __dirname = dirname(__filename)
+    const meta = {
+      url: href,
+      env,
+      filename: __filename,
+      dirname: __dirname,
+    }
     const exports = Object.create(null)
     Object.defineProperty(exports, Symbol.toStringTag, {
       value: 'Module',
@@ -344,7 +351,6 @@ export class ViteNodeRunner {
     })
 
     Object.assign(mod, { code: transformed, exports })
-    const __filename = fileURLToPath(href)
     const moduleProxy = {
       set exports(value) {
         exportAll(cjsExports, value)
@@ -388,7 +394,7 @@ export class ViteNodeRunner {
       exports: cjsExports,
       module: moduleProxy,
       __filename,
-      __dirname: dirname(__filename),
+      __dirname,
     })
 
     debugExecute(__filename)

packages/vitest/package.json

@@ -173,6 +173,7 @@
     "@types/istanbul-reports": "^3.0.4",
     "@types/jsdom": "^21.1.6",
     "@types/micromatch": "^4.0.6",
+    "@types/node": "^20.11.5",
     "@types/prompts": "^2.4.9",
     "@types/sinonjs__fake-timers": "^8.1.5",
     "birpc": "0.2.14",

packages/vitest/src/runtime/external-executor.ts

@@ -71,11 +71,11 @@ export class ExternalModulesExecutor {
   }
 
   public resolveModule = async (specifier: string, referencer: string) => {
-    const identifier = await this.resolve(specifier, referencer)
+    const identifier = this.resolve(specifier, referencer)
     return await this.createModule(identifier)
   }
 
-  public async resolve(specifier: string, parent: string) {
+  public resolve(specifier: string, parent: string) {
     for (const resolver of this.resolvers) {
       const id = resolver(specifier, parent)
       if (id)

packages/vitest/src/runtime/vm/commonjs-executor.ts

@@ -76,6 +76,10 @@ export class CommonjsExecutor {
         return _require
       }
 
+      static register = () => {
+        throw new Error(`[vitest] "register" is not available when running in Vitest.`)
+      }
+
       _compile(code: string, filename: string) {
         const cjsModule = Module.wrap(code)
         const script = new vm.Script(cjsModule, {

packages/vitest/src/runtime/vm/esm-executor.ts

@@ -1,6 +1,8 @@
 /* eslint-disable antfu/no-cjs-exports */
 
 import type vm from 'node:vm'
+import { fileURLToPath } from 'node:url'
+import { dirname } from 'node:path'
 import type { ExternalModulesExecutor } from '../external-executor'
 import type { VMModule } from './types'
 import { SourceTextModule, SyntheticModule } from './utils'
@@ -62,8 +64,13 @@ export class EsmExecutor {
         importModuleDynamically: this.executor.importModuleDynamically,
         initializeImportMeta: (meta, mod) => {
           meta.url = mod.identifier
-          meta.resolve = (specifier: string, importer?: string) => {
-            return this.executor.resolve(specifier, importer ?? mod.identifier)
+          if (mod.identifier.startsWith('file:')) {
+            const filename = fileURLToPath(mod.identifier)
+            meta.filename = filename
+            meta.dirname = dirname(filename)
+          }
+          meta.resolve = (specifier: string, importer?: string | URL) => {
+            return this.executor.resolve(specifier, importer != null ? importer.toString() : mod.identifier)
           }
         },
       },