refactor: vitest monorepo setup

Author: rozsival

.changeset/prettier-config-esm-plugin.md

@@ -0,0 +1,5 @@
+---
+'@apitree.cz/prettier-config': patch
+---
+
+fix: use import.meta.resolve for ESM plugin resolution

.changeset/readme-updates.md

@@ -0,0 +1,8 @@
+---
+'@apitree.cz/eslint-config': patch
+'@apitree.cz/prettier-config': patch
+'@apitree.cz/ts-config': patch
+'@apitree.cz/vitest-config': patch
+---
+
+docs: update README files with improved documentation

.changeset/vitest-monorepo-setup.md

@@ -0,0 +1,17 @@
+---
+'apitree.cz-toolbox': patch
+'@apitree.cz/eslint-config': patch
+'@apitree.cz/testing-library': patch
+'@apitree.cz/vitest-config': patch
+---
+
+feat: implement Vitest monorepo setup with project-based configuration
+
+- Added root vitest.config.ts with Vitest Projects support
+- Converted package-level vitest.config.ts to vitest.config.js using defineProject
+- Updated ESLint config to recognize vitest.config.js (previously .ts)
+- Moved vitest dependencies to root (vitest, @vitest/coverage-v8, @vitest/ui)
+- Made @vitest/coverage-v8 an optional peer dependency in vitest-config
+- Removed internal test suite from eslint-config package
+- Updated root lint and format scripts to include .ts files
+- Added test:ui script for interactive Vitest UI

package.json

@@ -22,12 +22,12 @@
     "fix:root": "run-p ts format:root:fix lint:root:fix",
     "format": "turbo run format format:root --no-daemon --parallel",
     "format:fix": "turbo run format:fix format:root:fix --no-daemon --parallel",
-    "format:root": "prettier --ignore-path .prettierignore --check \"./*.{js,json,md,yaml}\" \".changeset/**/*.md\" \".claude/**/*.{json,md}\" \".github/**/*.{js,json,md,yml,yaml}\"",
+    "format:root": "prettier --ignore-path .prettierignore --check \"./*.{js,json,md,ts,yaml}\" \".changeset/**/*.md\" \".claude/**/*.{json,md}\" \".github/**/*.{js,json,md,yml,yaml}\"",
     "format:root:fix": "pnpm run format:root --write",
     "postinstall": "is-ci || run-s postinstall:check postinstall:husky postinstall:cli postinstall:sync",
     "lint": "turbo run lint lint:root --no-daemon",
     "lint:fix": "turbo run lint:fix lint:root:fix --no-daemon",
-    "lint:root": "eslint --cache ./*.js",
+    "lint:root": "eslint --cache \"./*.js\" \"./*.ts\"",
     "lint:root:fix": "pnpm run lint:root --fix",
     "postinstall:check": "manypkg check",
     "postinstall:cli": "turbo build --filter=\"./packages/cli\"",
@@ -39,6 +39,7 @@
     "sync-project-references": "apitree sync-project-references",
     "test": "turbo run test --no-daemon",
     "test:coverage": "turbo run test:coverage --no-daemon",
+    "test:ui": "vitest --ui",
     "ts": "turbo run ts ts:root --no-daemon",
     "ts:root": "tsc --project tsconfig.json"
   },
@@ -53,11 +54,14 @@
     "@apitree.cz/prettier-config": "workspace:*",
     "@apitree.cz/ts-config": "workspace:*",
     "@apitree.cz/typedoc-config": "workspace:*",
+    "@apitree.cz/vitest-config": "^0.8.4",
     "@changesets/cli": "^2.29.8",
     "@commitlint/cli": "^20.2.0",
     "@commitlint/config-conventional": "^20.2.0",
     "@manypkg/cli": "^0.25.1",
     "@types/node": "^24.10.3",
+    "@vitest/coverage-v8": "^4.0.15",
+    "@vitest/ui": "^4.0.15",
     "del-cli": "^7.0.0",
     "eslint": "^9.39.1",
     "husky": "^9.1.7",
@@ -66,7 +70,8 @@
     "prettier": "^3.7.4",
     "turbo": "^2.6.3",
     "typedoc": "^0.28.15",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.3",
+    "vitest": "^4.0.15"
   },
   "packageManager": "[email protected]",
   "engines": {

packages/eslint-config/README.md

@@ -18,14 +18,7 @@
 pnpm add --save-dev @apitree.cz/eslint-config eslint
 ```
 
-### PNPM Monorepos
-
-Prior to the installation, add the following to your repository root `pnpm-workspace.yaml`:
-
-```yaml
-publicHoistPattern:
-  - '*eslint*'
-```
+### Monorepos
 
 Install and use the package in the root only.
 

packages/eslint-config/package.json

@@ -84,12 +84,10 @@
     "typescript-eslint": "^8.49.0"
   },
   "devDependencies": {
-    "@apitree.cz/vitest-config": "workspace:*",
     "eslint": "^9.39.1",
     "react": "^19.2.3",
     "storybook": "^10.1.7",
-    "typescript": "^5.9.3",
-    "vitest": "^4.0.15"
+    "typescript": "^5.9.3"
   },
   "peerDependencies": {
     "eslint": "^9.39.0",

packages/eslint-config/src/base/config.ts

@@ -49,7 +49,7 @@ export const config = defineConfig(
       parserOptions: {
         ecmaVersion: 'latest',
         projectService: {
-          allowDefaultProject: ['lint-staged.config.js', 'typedoc.config.js', 'vitest.config.ts'],
+          allowDefaultProject: ['lint-staged.config.js', 'typedoc.config.js', 'vitest.config.js'],
         },
         tsconfigRootDir: process.cwd(),
         sourceType: 'module',
@@ -100,7 +100,7 @@ export const config = defineConfig(
     rules: rules.dts,
   },
   {
-    files: ['**/lint-staged.config.js', '**/typedoc.config.js'],
+    files: ['**/lint-staged.config.js', '**/typedoc.config.js', '**/vitest.config.js'],
     rules: rules.monorepo,
   },
   prettier,