chore: prune internal unused code and exports (#21809)

knip.json

@@ -0,0 +1,37 @@
+{
+  "$schema": "https://unpkg.com/knip@2/schema.json",
+  "workspaces": {
+    ".": {
+      "entry": [
+        "scripts/*"
+      ]
+    },
+    "packages/*": {
+      "entry": [
+        "src/index.ts",
+        "src/runtime/**/*.ts"
+      ]
+    },
+    "packages/test-utils": {
+      "entry": [
+        "src/experimental.ts",
+        "src/index.ts"
+      ]
+    },
+    "packages/nuxi": {
+      "entry": [
+        "src/index.ts",
+        "src/commands/*.ts"
+      ]
+    },
+    "packages/nuxt": {
+      "entry": [
+        "src/app/**/*.ts",
+        "src/app/*.ts",
+        "src/*/runtime/**/*.ts",
+        "src/core/templates.ts",
+        "src/index.ts"
+      ]
+    }
+  }
+}

package.json

@@ -13,6 +13,7 @@
     "lint:fix": "eslint --ext .vue,.ts,.js,.mjs . --fix",
     "lint:docs": "markdownlint ./docs && case-police 'docs/**/*.md'",
     "lint:docs:fix": "markdownlint ./docs --fix && case-police 'docs/**/*.md' --fix",
+    "lint:knip": "pnpx knip",
     "play": "nuxi dev playground",
     "play:build": "nuxi build playground",
     "play:preview": "nuxi preview playground",
@@ -51,7 +52,6 @@
     "consola": "3.1.0",
     "devalue": "4.3.2",
     "eslint": "8.43.0",
-    "eslint-import-resolver-typescript": "3.5.5",
     "eslint-plugin-import": "2.27.5",
     "eslint-plugin-jsdoc": "41.1.2",
     "eslint-plugin-no-only-tests": "3.1.0",

packages/kit/src/internal/cjs.ts

@@ -23,13 +23,13 @@ export interface RequireModuleOptions extends ResolveModuleOptions {
 }
 
 /** @deprecated Do not use CJS utils */
-export function isNodeModules (id: string) {
+function isNodeModules (id: string) {
   // TODO: Follow symlinks
   return /[/\\]node_modules[/\\]/.test(id)
 }
 
 /** @deprecated Do not use CJS utils */
-export function clearRequireCache (id: string) {
+function clearRequireCache (id: string) {
   if (isNodeModules(id)) {
     return
   }
@@ -53,29 +53,7 @@ export function clearRequireCache (id: string) {
 }
 
 /** @deprecated Do not use CJS utils */
-export function scanRequireTree (id: string, files = new Set<string>()) {
+function getRequireCacheItem (id: string) {
-  if (isNodeModules(id) || files.has(id)) {
-    return files
-  }
-
-  const entry = getRequireCacheItem(id)
-
-  if (!entry) {
-    files.add(id)
-    return files
-  }
-
-  files.add(entry.id)
-
-  for (const child of entry.children) {
-    scanRequireTree(child.id, files)
-  }
-
-  return files
-}
-
-/** @deprecated Do not use CJS utils */
-export function getRequireCacheItem (id: string) {
   try {
     return _require.cache[id]
   } catch (e) {

packages/nuxi/src/utils/cjs.ts

@@ -14,11 +14,11 @@ export function getModulePaths (paths?: string | string[]): string[] {
 
 const _require = createRequire(process.cwd())
 
-export function resolveModule (id: string, paths?: string | string[]) {
+function resolveModule (id: string, paths?: string | string[]) {
   return normalize(_require.resolve(id, { paths: getModulePaths(paths) }))
 }
 
-export function requireModule (id: string, paths?: string | string[]) {
+function requireModule (id: string, paths?: string | string[]) {
   return _require(resolveModule(id, paths))
 }
 

packages/nuxi/src/utils/esm.ts

@@ -11,9 +11,3 @@ export async function importModule (id: string, url = import.meta.url) {
   const resolvedPath = await resolvePath(id, { url })
   return import(pathToFileURL(resolvedPath).href).then(interopDefault)
 }
-
-export function tryImportModule (id: string, url = import.meta.url) {
-  try {
-    return importModule(id, url).catch(() => undefined)
-  } catch { }
-}

packages/nuxi/src/utils/fs.ts

@@ -2,16 +2,6 @@ import { existsSync, promises as fsp } from 'node:fs'
 import { dirname, join } from 'pathe'
 import { consola } from 'consola'
 
-// Check if a file exists
-export async function exists (path: string) {
-  try {
-    await fsp.access(path)
-    return true
-  } catch {
-    return false
-  }
-}
-
 export async function clearDir (path: string, exclude?: string[]) {
   if (!exclude) {
     await fsp.rm(path, { recursive: true, force: true })

packages/nuxi/src/utils/nuxt.ts

@@ -5,7 +5,7 @@ import { hash } from 'ohash'
 import type { Nuxt } from '@nuxt/schema'
 import { rmRecursive } from './fs'
 
-export interface NuxtProjectManifest {
+interface NuxtProjectManifest {
   _hash: string | null
   project: {
     rootDir: string
@@ -37,7 +37,7 @@ export function nuxtVersionToGitIdentifier (version: string) {
   return `v${version}`
 }
 
-export function resolveNuxtManifest (nuxt: Nuxt): NuxtProjectManifest {
+function resolveNuxtManifest (nuxt: Nuxt): NuxtProjectManifest {
   const manifest: NuxtProjectManifest = {
     _hash: null,
     project: {

packages/nuxt/src/app/components/nuxt-island.ts

@@ -47,10 +47,9 @@ export default defineComponent({
     onMounted(() => { mounted.value = true })
 
     const ssrHTML = ref<string>(process.client ? getFragmentHTML(instance.vnode?.el ?? null).join('') ?? '<div></div>' : '<div></div>')
+    const slotProps = computed(() => getSlotProps(ssrHTML.value))
     const uid = ref<string>(ssrHTML.value.match(SSR_UID_RE)?.[1] ?? randomUUID())
-    const availableSlots = computed(() => {
+    const availableSlots = computed(() => [...ssrHTML.value.matchAll(SLOTNAME_RE)].map(m => m[1]))
-      return [...ssrHTML.value.matchAll(SLOTNAME_RE)].map(m => m[1])
-    })
 
     const html = computed(() => {
       const currentSlots = Object.keys(slots)
@@ -67,9 +66,6 @@ export default defineComponent({
     }
     const cHead = ref<Record<'link' | 'style', Array<Record<string, string>>>>({ link: [], style: [] })
     useHead(cHead)
-    const slotProps = computed(() => {
-      return getSlotProps(ssrHTML.value)
-    })
 
     async function _fetchComponent () {
       const key = `${props.name}_${hashId.value}`

packages/nuxt/src/components/templates.ts

@@ -2,7 +2,7 @@ import { isAbsolute, relative } from 'pathe'
 import { genDynamicImport } from 'knitwork'
 import type { Component, Nuxt, NuxtApp, NuxtPluginTemplate, NuxtTemplate } from 'nuxt/schema'
 
-export interface ComponentsTemplateContext {
+interface ComponentsTemplateContext {
   app: NuxtApp
   nuxt: Nuxt
   options: {
@@ -11,7 +11,7 @@ export interface ComponentsTemplateContext {
   }
 }
 
-export type ImportMagicCommentsOptions = {
+type ImportMagicCommentsOptions = {
   chunkName: string
   prefetch?: boolean | number
   preload?: boolean | number

packages/nuxt/src/core/app.ts

@@ -58,7 +58,7 @@ export async function generateApp (nuxt: Nuxt, app: NuxtApp, options: { filter?:
   await nuxt.callHook('app:templatesGenerated', app)
 }
 
-export async function resolveApp (nuxt: Nuxt, app: NuxtApp) {
+async function resolveApp (nuxt: Nuxt, app: NuxtApp) {
   // Resolve main (app.vue)
   if (!app.mainComponent) {
     app.mainComponent = await findPath(

packages/nuxt/src/core/modules.ts

@@ -1,6 +1,6 @@
 import { normalizeModuleTranspilePath, useNuxt } from '@nuxt/kit'
 
-export interface AddModuleTranspilesOptions {
+interface AddModuleTranspilesOptions {
   additionalModules?: string[]
 }
 

packages/nuxt/src/core/templates.ts

@@ -10,7 +10,7 @@ import { filename } from 'pathe/utils'
 import type { Nuxt, NuxtApp, NuxtTemplate } from 'nuxt/schema'
 import { annotatePlugins } from './app'
 
-export interface TemplateContext {
+interface TemplateContext {
   nuxt: Nuxt
   app: NuxtApp
 }

packages/nuxt/src/core/utils/names.ts

@@ -1,5 +1,5 @@
 import { basename, extname } from 'pathe'
-import { kebabCase, pascalCase } from 'scule'
+import { kebabCase } from 'scule'
 
 export function getNameFromPath (path: string) {
   return kebabCase(basename(path).replace(extname(path), '')).replace(/["']/g, '')
@@ -8,7 +8,3 @@ export function getNameFromPath (path: string) {
 export function hasSuffix (path: string, suffix: string) {
   return basename(path).replace(extname(path), '').endsWith(suffix)
 }
-
-export function getImportName (name: string) {
-  return pascalCase(name).replace(/[^\w]/g, r => '_' + r.charCodeAt(0))
-}

packages/nuxt/src/dirs.ts

@@ -5,4 +5,3 @@ let _distDir = dirname(fileURLToPath(import.meta.url))
 if (_distDir.match(/(chunks|shared)$/)) { _distDir = dirname(_distDir) }
 export const distDir = _distDir
 export const pkgDir = resolve(distDir, '..')
-export const runtimeDir = resolve(distDir, 'runtime')

packages/schema/package.json

@@ -33,6 +33,7 @@
     "@unhead/schema": "1.1.28",
     "@vitejs/plugin-vue": "4.2.3",
     "@vitejs/plugin-vue-jsx": "3.0.1",
+    "@vue/compiler-core": "^3.3.4",
     "esbuild-loader": "3.0.1",
     "h3": "1.7.0",
     "ignore": "5.2.4",
@@ -44,7 +45,8 @@
     "vue-bundle-renderer": "1.0.3",
     "vue-loader": "17.2.2",
     "vue-router": "4.2.2",
-    "webpack": "5.88.0"
+    "webpack": "5.88.0",
+    "webpack-dev-middleware": "^6.1.1"
   },
   "dependencies": {
     "defu": "^6.1.2",

packages/test-utils/src/dirs.ts

@@ -1,5 +1,4 @@
 import { fileURLToPath } from 'node:url'
-import { dirname, resolve } from 'pathe'
+import { dirname } from 'pathe'
 
 export const distDir = dirname(fileURLToPath(import.meta.url))
-export const pkgDir = resolve(distDir, '..')

packages/vite/src/dev-bundler.ts

@@ -13,21 +13,21 @@ import { createIsExternal } from './utils/external'
 import { writeManifest } from './manifest'
 import type { ViteBuildContext } from './vite'
 
-export interface TransformChunk {
+interface TransformChunk {
   id: string,
   code: string,
   deps: string[],
   parents: string[]
 }
 
-export interface SSRTransformResult {
+interface SSRTransformResult {
   code: string,
   map: object,
   deps: string[]
   dynamicDeps: string[]
 }
 
-export interface TransformOptions {
+interface TransformOptions {
   viteServer: vite.ViteDevServer
   isExternal(id: string): ReturnType<typeof isExternal>
 }
@@ -109,7 +109,7 @@ async function transformRequestRecursive (opts: TransformOptions, id: string, pa
   return Object.values(chunks)
 }
 
-export async function bundleRequest (opts: TransformOptions, entryURL: string) {
+async function bundleRequest (opts: TransformOptions, entryURL: string) {
   const chunks = (await transformRequestRecursive(opts, entryURL))!
 
   const listIds = (ids: string[]) => ids.map(id => `// - ${id} (${hashId(id)})`).join('\n')

packages/vite/src/dirs.ts

@@ -1,7 +1,6 @@
 import { fileURLToPath } from 'node:url'
-import { dirname, resolve } from 'pathe'
+import { dirname } from 'pathe'
 
 let _distDir = dirname(fileURLToPath(import.meta.url))
 if (_distDir.match(/(chunks|shared)$/)) { _distDir = dirname(_distDir) }
 export const distDir = _distDir
-export const pkgDir = resolve(distDir, '..')

packages/vite/src/plugins/composable-keys.ts

@@ -11,7 +11,7 @@ import escapeRE from 'escape-string-regexp'
 import { findStaticImports, parseStaticImport } from 'mlly'
 import { matchWithStringOrRegex } from '../utils'
 
-export interface ComposableKeysOptions {
+interface ComposableKeysOptions {
   sourcemap: boolean
   rootDir: string
   composables: Array<{ name: string, source?: string | RegExp, argumentLength: number }>

packages/vite/src/plugins/dev-ssr-css.ts

@@ -2,7 +2,7 @@ import { joinURL } from 'ufo'
 import type { Plugin } from 'vite'
 import { isCSS } from '../utils'
 
-export interface DevStyleSSRPluginOptions {
+interface DevStyleSSRPluginOptions {
   srcDir: string
   buildAssetsURL: string
 }

packages/vite/src/plugins/paths.ts

@@ -4,7 +4,7 @@ import { parseQuery, parseURL } from 'ufo'
 import type { Plugin } from 'vite'
 import { isCSS } from '../utils'
 
-export interface RuntimePathsOptions {
+interface RuntimePathsOptions {
   sourcemap?: boolean
 }
 

packages/vite/src/plugins/pure-annotations.ts

@@ -3,7 +3,7 @@ import { createUnplugin } from 'unplugin'
 import { stripLiteral } from 'strip-literal'
 import { isJS, isVue } from '../../../nuxt/src/core/utils/plugins'
 
-export interface PureAnnotationsOptions {
+interface PureAnnotationsOptions {
   sourcemap: boolean
   functions: string[]
 }

packages/vite/src/utils/index.ts

@@ -1,25 +1,12 @@
-import { promises as fsp, readdirSync, statSync } from 'node:fs'
 import { hash } from 'ohash'
-import { join } from 'pathe'
 
 export function uniq<T> (arr: T[]): T[] {
   return Array.from(new Set(arr))
 }
 
 // Copied from vue-bundle-renderer utils
-const IS_JS_RE = /\.[cm]?js(\?[^.]+)?$/
-const IS_MODULE_RE = /\.mjs(\?[^.]+)?$/
-const HAS_EXT_RE = /[^./]+\.[^./]+$/
 const IS_CSS_RE = /\.(?:css|scss|sass|postcss|less|stylus|styl)(\?[^.]+)?$/
 
-export function isJS (file: string) {
-  return IS_JS_RE.test(file) || !HAS_EXT_RE.test(file)
-}
-
-export function isModule (file: string) {
-  return IS_MODULE_RE.test(file) || !HAS_EXT_RE.test(file)
-}
-
 export function isCSS (file: string) {
   return IS_CSS_RE.test(file)
 }
@@ -28,22 +15,6 @@ export function hashId (id: string) {
   return '$id_' + hash(id)
 }
 
-export function readDirRecursively (dir: string): string[] {
-  return readdirSync(dir).reduce((files, file) => {
-    const name = join(dir, file)
-    const isDirectory = statSync(name).isDirectory()
-    return isDirectory ? [...files, ...readDirRecursively(name)] : [...files, name]
-  }, [] as string[])
-}
-
-export async function isDirectory (path: string) {
-  try {
-    return (await fsp.stat(path)).isDirectory()
-  } catch (_err) {
-    return false
-  }
-}
-
 export function matchWithStringOrRegex (value: string, matcher: string | RegExp) {
   if (typeof matcher === 'string') {
     return value === matcher

packages/vite/src/utils/logger.ts

@@ -14,7 +14,7 @@ export const logLevelMap: Record<NuxtOptions['logLevel'], vite.UserConfig['logLe
   verbose: 'info'
 }
 
-export const logLevelMapReverse: Record<NonNullable<vite.UserConfig['logLevel']>, number> = {
+const logLevelMapReverse: Record<NonNullable<vite.UserConfig['logLevel']>, number> = {
   silent: 0,
   error: 1,
   warn: 2,

packages/webpack/src/plugins/vue/server.ts

@@ -2,7 +2,7 @@ import type { Compilation, Compiler } from 'webpack'
 import webpack from 'webpack'
 import { extractQueryPartJS, isJS, validate } from './util'
 
-export interface VueSSRServerPluginOptions {
+interface VueSSRServerPluginOptions {
   filename: string
 }
 

packages/webpack/src/presets/base.ts

@@ -155,7 +155,7 @@ function baseResolve (ctx: WebpackConfigContext) {
   }
 }
 
-export function baseTranspile (ctx: WebpackConfigContext) {
+function baseTranspile (ctx: WebpackConfigContext) {
   const { options } = ctx
 
   const transpile = [

packages/webpack/src/utils/postcss.ts

@@ -5,7 +5,7 @@ import type { Nuxt } from '@nuxt/schema'
 
 const isPureObject = (obj: unknown): obj is Object => obj !== null && !Array.isArray(obj) && typeof obj === 'object'
 
-export const orderPresets = {
+const orderPresets = {
   cssnanoLast (names: string[]) {
     const nanoIndex = names.indexOf('cssnano')
     if (nanoIndex !== names.length - 1) {

pnpm-lock.yaml

@@ -59,9 +59,6 @@ importers:
       eslint:
         specifier: 8.43.0
         version: 8.43.0
-      eslint-import-resolver-typescript:
-        specifier: 3.5.5
-        version: 3.5.5(@typescript-eslint/parser@5.59.9)(eslint-plugin-import@2.27.5)(eslint@8.43.0)
       eslint-plugin-import:
         specifier: 2.27.5
         version: 2.27.5(@typescript-eslint/parser@5.59.9)(eslint-import-resolver-typescript@3.5.5)(eslint@8.43.0)
@@ -555,6 +552,9 @@ importers:
       '@vitejs/plugin-vue-jsx':
         specifier: 3.0.1
         version: 3.0.1(vite@4.3.9)(vue@3.3.4)
+      '@vue/compiler-core':
+        specifier: ^3.3.4
+        version: 3.3.4
       esbuild-loader:
         specifier: 3.0.1
         version: 3.0.1(webpack@5.88.0)
@@ -591,6 +591,9 @@ importers:
       webpack:
         specifier: 5.88.0
         version: 5.88.0
+      webpack-dev-middleware:
+        specifier: ^6.1.1
+        version: 6.1.1(webpack@5.88.0)
 
   packages/test-utils:
     dependencies:
@@ -928,21 +931,12 @@ importers:
         specifier: workspace:*
         version: link:../../../packages/nuxt
     devDependencies:
-      ofetch:
-        specifier: latest
-        version: 1.1.1
       ufo:
         specifier: latest
         version: 1.1.2
       unplugin:
         specifier: latest
         version: 1.3.1
-      vitest:
-        specifier: latest
-        version: 0.32.2(playwright@1.35.1)
-      vue-router:
-        specifier: latest
-        version: 4.2.2(vue@3.3.4)
 
   test/fixtures/basic-types:
     dependencies:
@@ -953,9 +947,6 @@ importers:
       ofetch:
         specifier: latest
         version: 1.1.1
-      unplugin:
-        specifier: latest
-        version: 1.3.1
       vitest:
         specifier: latest
         version: 0.32.2(playwright@1.35.1)
@@ -3082,7 +3073,6 @@ packages:
         optional: true
     dependencies:
       ajv: 8.12.0
-    dev: false
 
   /ajv-keywords@3.5.2(ajv@6.12.6):
     resolution: {integrity: sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==}
@@ -3098,7 +3088,6 @@ packages:
     dependencies:
       ajv: 8.12.0
       fast-deep-equal: 3.1.3
-    dev: false
 
   /ajv@6.12.6:
     resolution: {integrity: sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==}
@@ -3115,7 +3104,6 @@ packages:
       json-schema-traverse: 1.0.0
       require-from-string: 2.0.2
       uri-js: 4.4.1
-    dev: false
 
   /ansi-colors@4.1.3:
     resolution: {integrity: sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw==}
@@ -5103,7 +5091,6 @@ packages:
 
   /fs-monkey@1.0.4:
     resolution: {integrity: sha512-INM/fWAxMICjttnD0DX1rBvinKskj5G1w+oy/pnm9u/tSlnBrzFonJMcalKJ30P8RRsPzKcCG7Q8l0jx5Fh9YQ==}
-    dev: false
 
   /fs.realpath@1.0.0:
     resolution: {integrity: sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==}
@@ -6008,7 +5995,6 @@ packages:
 
   /json-schema-traverse@1.0.0:
     resolution: {integrity: sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==}
-    dev: false
 
   /json-stable-stringify-without-jsonify@1.0.1:
     resolution: {integrity: sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==}
@@ -6288,7 +6274,6 @@ packages:
     engines: {node: '>= 4.0.0'}
     dependencies:
       fs-monkey: 1.0.4
-    dev: false
 
   /memory-fs@0.5.0:
     resolution: {integrity: sha512-jA0rdU5KoQMC0e6ppoNRtpp6vjFq6+NY7r8hywnC7V+1Xj/MtHwGIbB1QaK/dunyjWteJzmkpd7ooeWg10T7GA==}
@@ -7651,7 +7636,6 @@ packages:
   /require-from-string@2.0.2:
     resolution: {integrity: sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==}
     engines: {node: '>=0.10.0'}
-    dev: false
 
   /requires-port@1.0.0:
     resolution: {integrity: sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==}
@@ -7814,7 +7798,6 @@ packages:
       ajv: 8.12.0
       ajv-formats: 2.1.1(ajv@8.12.0)
       ajv-keywords: 5.1.0(ajv@8.12.0)
-    dev: false
 
   /scule@1.0.0:
     resolution: {integrity: sha512-4AsO/FrViE/iDNEPaAQlb77tf0csuq27EsVpy6ett584EcRTp6pTDLoGWVxCD77y5iU5FauOvhsI4o1APwPoSQ==}
@@ -9011,7 +8994,6 @@ packages:
       range-parser: 1.2.1
       schema-utils: 4.0.1
       webpack: 5.88.0
-    dev: false
 
   /webpack-hot-middleware@2.25.4:
     resolution: {integrity: sha512-IRmTspuHM06aZh98OhBJtqLpeWFM8FXJS5UYpKYxCJzyFoyWj1w6VGFfomZU7OPA55dMLrQK0pRT1eQ3PACr4w==}

test/fixtures/basic-types/package.json

@@ -10,7 +10,6 @@
   },
   "devDependencies": {
     "ofetch": "latest",
-    "unplugin": "latest",
     "vitest": "latest",
     "vue-router": "latest"
   }

test/fixtures/basic/package.json

@@ -9,10 +9,7 @@
     "nuxt": "workspace:*"
   },
   "devDependencies": {
-    "ofetch": "latest",
     "ufo": "latest",
-    "unplugin": "latest",
+    "unplugin": "latest"
-    "vitest": "latest",
-    "vue-router": "latest"
   }
 }

vitest.config.ts

@@ -12,7 +12,7 @@ export default defineConfig({
     }
   },
   test: {
-    globalSetup: 'test/setup.ts',
+    globalSetup: './test/setup.ts',
     testTimeout: isWindows ? 60000 : 10000,
     // Excluded plugin because it should throw an error when accidentally loaded via Nuxt
     exclude: [...configDefaults.exclude, '**/test.ts', '**/this-should-not-load.spec.js'],