feat: export default config to expand it

docs/config/index.md

@@ -21,6 +21,18 @@ export default defineConfig({
 })
 ```
 
+You can retrieve Vitest's default options to expand them if needed:
+
+```ts
+import { defaults } from 'vitest'
+
+export default defineConfig({
+  test: {
+    exclude: [...defaults.exclude, 'packages/template/*'],
+  },
+})
+```
+
 ## Options
 
 ### include

packages/vitest/src/constants.ts

@@ -1,11 +1,37 @@
 import { fileURLToPath } from 'url'
 import { resolve } from 'pathe'
+import type { UserConfig } from './types'
+import { defaults as coverageDefaults } from './integrations/coverage'
 
 export const distDir = resolve(fileURLToPath(import.meta.url), '../../dist')
 
 export const defaultInclude = ['**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}']
 export const defaultExclude = ['**/node_modules/**', '**/dist/**', '**/cypress/**', '**/.{idea,git,cache,output,temp}/**']
 
+export const defaults: UserConfig = {
+  globals: false,
+  environment: 'node',
+  threads: true,
+  clearMocks: false,
+  restoreMocks: false,
+  mockReset: false,
+  include: defaultInclude,
+  exclude: defaultExclude,
+  testTimeout: 5_000,
+  hookTimeout: 10_000,
+  isolate: true,
+  watchIgnore: [/\/node_modules\//, /\/dist\//],
+  update: false,
+  watch: true,
+  reporters: 'default',
+  silent: false,
+  api: false,
+  ui: false,
+  uiBase: '/__vitest__/',
+  open: true,
+  coverage: coverageDefaults,
+}
+
 // if changed, update also jsdocs and docs
 export const defaultPort = 51204
 

packages/vitest/src/index.ts

@@ -16,6 +16,8 @@ export * from './integrations/vi'
 export * from './types'
 export * from './api/types'
 
+export { defaults } from './constants'
+
 declare module 'vite' {
   interface UserConfig {
     /**

packages/vitest/src/integrations/coverage.ts

@@ -21,19 +21,23 @@ const defaultExcludes = [
   '**/.{eslint,mocha}rc.{js,cjs}',
 ]
 
+export const defaults = {
+  enabled: false,
+  clean: true,
+  cleanOnRerun: false,
+  reportsDirectory: './coverage',
+  excludeNodeModules: true,
+  exclude: defaultExcludes,
+  reporter: ['text', 'html'],
+  allowExternal: false,
+  // default extensions used by c8, plus '.vue' and '.svelte'
+  // see https://github.com/istanbuljs/schema/blob/master/default-extension.js
+  extension: ['.js', '.cjs', '.mjs', '.ts', '.tsx', '.jsx', '.vue', 'svelte'],
+} as ResolvedC8Options
+
 export function resolveC8Options(options: C8Options, root: string): ResolvedC8Options {
   const resolved: ResolvedC8Options = {
-    enabled: false,
-    clean: true,
-    cleanOnRerun: false,
-    reportsDirectory: './coverage',
-    excludeNodeModules: true,
-    exclude: defaultExcludes,
-    reporter: ['text', 'html'],
-    allowExternal: false,
-    // default extensions used by c8, plus '.vue' and '.svelte'
-    // see https://github.com/istanbuljs/schema/blob/master/default-extension.js
-    extension: ['.js', '.cjs', '.mjs', '.ts', '.tsx', '.jsx', '.vue', 'svelte'],
+    ...defaults,
     ...options as any,
   }
 

packages/vitest/src/node/config.ts

@@ -2,7 +2,7 @@ import { resolve } from 'pathe'
 import type { ResolvedConfig as ResolvedViteConfig } from 'vite'
 
 import type { ApiConfig, ResolvedConfig, UserConfig } from '../types'
-import { defaultExclude, defaultInclude, defaultPort } from '../constants'
+import { defaultPort, defaults } from '../constants'
 import { resolveC8Options } from '../integrations/coverage'
 import { toArray } from '../utils'
 
@@ -50,6 +50,7 @@ export function resolveConfig(
   const globals = options?.global ?? options.globals
 
   const resolved = {
+    ...defaults,
     ...options,
     root: viteConfig.root,
     globals,
@@ -59,33 +60,16 @@ export function resolveConfig(
   if (viteConfig.base !== '/')
     resolved.base = viteConfig.base
 
-  resolved.coverage = resolveC8Options(resolved.coverage, resolved.root)
+  resolved.coverage = resolveC8Options(options.coverage || {}, resolved.root)
 
   resolved.deps = resolved.deps || {}
 
-  resolved.environment = resolved.environment || 'node'
-  resolved.threads = resolved.threads ?? true
-
-  resolved.clearMocks = resolved.clearMocks ?? false
-  resolved.restoreMocks = resolved.restoreMocks ?? false
-  resolved.mockReset = resolved.mockReset ?? false
-
-  resolved.include = resolved.include ?? defaultInclude
-  resolved.exclude = resolved.exclude ?? defaultExclude
-
-  resolved.testTimeout = resolved.testTimeout ?? 5_000
-  resolved.hookTimeout = resolved.hookTimeout ?? 10_000
-
-  resolved.isolate = resolved.isolate ?? true
-
   resolved.testNamePattern = resolved.testNamePattern
     ? resolved.testNamePattern instanceof RegExp
       ? resolved.testNamePattern
       : new RegExp(resolved.testNamePattern)
     : undefined
 
-  resolved.watchIgnore = resolved.watchIgnore ?? [/\/node_modules\//, /\/dist\//]
-
   const CI = !!process.env.CI
   const UPDATE_SNAPSHOT = resolved.update || process.env.UPDATE_SNAPSHOT
   resolved.snapshotOptions = {

packages/vitest/src/types/config.ts

@@ -159,7 +159,7 @@ export interface InlineConfig {
   /**
    * Default timeout of a hook in milliseconds
    *
-   * @default 5000
+   * @default 10000
    */
   hookTimeout?: number