feat: introduce server option

examples/vue-jsx/vite.config.ts

@@ -7,8 +7,10 @@ export default defineConfig({
   test: {
     globals: true,
     environment: 'jsdom',
-    transformMode: {
-      web: [/.[tj]sx$/],
+    server: {
+      transformMode: {
+        web: [/.[tj]sx$/],
+      },
     },
   },
 })

packages/vitest/src/node/config.ts

@@ -123,24 +123,26 @@ export function resolveConfig(
   if (resolved.coverage.provider === 'v8' && resolved.coverage.enabled && isBrowserEnabled(resolved))
     throw new Error('@vitest/coverage-v8 does not work with --browser. Use @vitest/coverage-istanbul instead')
 
-  resolved.deps = resolved.deps || {}
+  resolved.server ??= {}
+  resolved.server.deps ??= {}
+
   // vitenode will try to import such file with native node,
   // but then our mocker will not work properly
-  if (resolved.deps.inline !== true) {
+  if (resolved.server.deps.inline !== true) {
     // eslint-disable-next-line @typescript-eslint/prefer-ts-expect-error
     // @ts-ignore ssr is not typed in Vite 2, but defined in Vite 3, so we can't use expect-error
     const ssrOptions = viteConfig.ssr
-
-    if (ssrOptions?.noExternal === true && resolved.deps.inline == null) {
-      resolved.deps.inline = true
+    if (ssrOptions?.noExternal === true && resolved.server.deps.inline == null) {
+      resolved.server.deps.inline = true
     }
     else {
-      resolved.deps.inline ??= []
-      resolved.deps.inline.push(...extraInlineDeps)
+      resolved.server.deps.inline ??= []
+      resolved.server.deps.inline.push(...extraInlineDeps)
     }
   }
-  resolved.deps.moduleDirectories ??= ['/node_modules/']
-  resolved.deps.moduleDirectories = resolved.deps.moduleDirectories.map((dir) => {
+
+  resolved.server.deps.moduleDirectories ??= ['/node_modules/']
+  resolved.server.deps.moduleDirectories = resolved.server.deps.moduleDirectories.map((dir) => {
     if (!dir.startsWith('/'))
       dir = `/${dir}`
     if (!dir.endsWith('/'))
@@ -153,6 +155,8 @@ export function resolveConfig(
       ?? resolve(resolved.root, resolved.runner)
   }
 
+  resolved.deps ??= {}
+
   // disable loader for Yarn PnP until Node implements chain loader
   // https://github.com/nodejs/node/pull/43772
   resolved.deps.registerNodeLoader ??= false

packages/vitest/src/node/core.ts

@@ -89,7 +89,7 @@ export class Vitest {
     if (this.config.watch && this.mode !== 'typecheck')
       this.registerWatcher()
 
-    this.vitenode = new ViteNodeServer(server, this.config)
+    this.vitenode = new ViteNodeServer(server, this.config.server)
     const node = this.vitenode
     this.runner = new ViteNodeRunner({
       root: server.config.root,

packages/vitest/src/types/config.ts

@@ -2,6 +2,7 @@ import type { AliasOptions, CommonServerOptions, DepOptimizationConfig } from 'v
 import type { PrettyFormatOptions } from 'pretty-format'
 import type { FakeTimerInstallOpts } from '@sinonjs/fake-timers'
 import type { SequenceHooks, SequenceSetupFiles } from '@vitest/runner'
+import type { ViteNodeServerOptions } from 'vite-node'
 import type { BuiltinReporters } from '../node/reporters'
 import type { TestSequencerConstructor } from '../node/sequencers/types'
 import type { ChaiConfig } from '../integrations/chai'
@@ -94,6 +95,8 @@ interface DepsOptions {
    * And does not support HMR on reload.
    *
    * Typically, packages under `node_modules` are externalized.
+   *
+   * @deprecated Use `server.deps.external` instead
    */
   external?: (string | RegExp)[]
   /**
@@ -102,6 +105,8 @@ interface DepsOptions {
    * This could be helpful to handle packages that ship `.js` in ESM format (that Node can't handle).
    *
    * If `true`, every dependency will be inlined
+   *
+   * @deprecated Use `server.deps.inline` instead
    */
   inline?: (string | RegExp)[] | true
 
@@ -118,6 +123,8 @@ interface DepsOptions {
    * cause some misalignment if a package have different logic in ESM and CJS mode.
    *
    * @default false
+   *
+   * @deprecated Use `server.deps.fallbackCJS` instead
    */
   fallbackCJS?: boolean
 
@@ -131,6 +138,8 @@ interface DepsOptions {
    * A list of directories relative to the config file that should be treated as module directories.
    *
    * @default ['node_modules']
+   *
+   * @deprecated Use `server.deps.moduleDirectories` instead
    */
   moduleDirectories?: string[]
 }
@@ -170,9 +179,15 @@ export interface InlineConfig {
 
   /**
    * Handling for dependencies inlining or externalizing
+   *
    */
   deps?: DepsOptions
 
+  /**
+   * Vite-node server options
+   */
+  server?: ViteNodeServerOptions
+
   /**
    * Base directory to scan for the test files
    *
@@ -450,6 +465,8 @@ export interface InlineConfig {
 
   /**
    * Determine the transform method of modules
+   *
+   * @deprecated Use `server.transformMode` instead
    */
   transformMode?: {
     /**

test/core/vitest.config.ts

@@ -65,10 +65,12 @@ export default defineConfig({
     sequence: {
       seed: 101,
     },
-    deps: {
-      external: ['tinyspy', /src\/external/],
-      inline: ['inline-lib'],
-      moduleDirectories: ['node_modules', 'projects', 'packages'],
+    server: {
+      deps: {
+        external: ['tinyspy', /src\/external/],
+        inline: ['inline-lib'],
+        moduleDirectories: ['node_modules', 'projects', 'packages'],
+      },
     },
     alias: [
       {

test/resolve/vitest.config.ts

@@ -2,12 +2,14 @@ import { defineConfig } from 'vite'
 
 export default defineConfig({
   test: {
-    transformMode: {
-      web: [/web\.test\.ts/],
-      ssr: [/ssr\.test\.ts/],
-    },
-    deps: {
-      external: [/pkg-/],
+    server: {
+      transformMode: {
+        web: [/web\.test\.ts/],
+        ssr: [/ssr\.test\.ts/],
+      },
+      deps: {
+        external: [/pkg-/],
+      },
     },
   },
 })