chore: migrate rule-schema-to-typescript-types from jest to vitest (typescript-eslint#10774)

aryaemami59 · JoshuaKGoldberg · phaux · commit d76da149d08c · 2025-04-24T14:04:01.000+02:00
* Install `vitest`

* Rename `jest.config.js` to `vitest.config.mts`

* chore(rule-schema-to-typescript-types): migrate to `vitest`

* Fix Vitest config

* Include `vitest.config.mts` in `tsconfig.spec.json`

* Explicitly enable `resolveJsonModule`

* Use `.replace` instead of `.split`

* Type check `vitest.config.mts` files using project references.

* Fix Vitest config

* Update `vitest` to version 3.1.1

* Update `@vitest/eslint-plugin` to version 1.1.39

* Fix `knip`

* Update `vite` to version 6.2.5

* Update `vite` to version 6.2.6

* Update `@vitest/eslint-plugin` to version 1.1.40

* Update `@vitest/eslint-plugin` to version 1.1.42

* Enable the new `vitest/prefer-describe-function-title` rule

* Use `vitestPlugin.configs.env`

* Try disabling remote cache

* Try disabling remote cache

* Update `typecheck` output path in `nx.json`

* Fix `vitest` coverage output when run with `nx`

---------

Co-authored-by: Josh Goldberg &lt;git@joshuakgoldberg.com&gt;
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -39,6 +39,7 @@ const vitestFiles = [
   'packages/integration-tests/tools/pack-packages.ts',
   'packages/parser/tests/lib/**/*.test.{ts,tsx,cts,mts}',
   'packages/parser/tests/test-utils/**/*.{ts,tsx,cts,mts}',
+  'packages/rule-schema-to-typescript-types/tests/**/*.test.{ts,tsx,cts,mts}',
   'packages/rule-tester/tests/**/*.test.{ts,tsx,cts,mts}',
   'packages/scope-manager/tests/**/*.test.{ts,tsx,cts,mts}',
   'packages/scope-manager/tests/test-utils/serializers/index.ts',
@@ -88,6 +89,7 @@ export default tseslint.config(
       '.nx/',
       '.yarn/',
       '**/jest.config.js',
+      '**/vitest.config.mts',
       '**/node_modules/**',
       '**/dist/**',
       '**/fixtures/**',
diff --git a/packages/rule-schema-to-typescript-types/package.json b/packages/rule-schema-to-typescript-types/package.json
@@ -27,6 +27,7 @@
     "build": "tsc -b tsconfig.build.json",
     "format": "prettier --write \"./**/*.{ts,mts,cts,tsx,js,mjs,cjs,jsx,json,md,css}\" --ignore-path ../../.prettierignore",
     "lint": "npx nx lint",
+    "test": "vitest --run --config=$INIT_CWD/vitest.config.mts",
     "check-types": "npx nx typecheck"
   },
   "dependencies": {
@@ -36,7 +37,9 @@
     "prettier": "^3.2.5"
   },
   "devDependencies": {
-    "typescript": "*"
+    "@vitest/coverage-v8": "^3.1.1",
+    "typescript": "*",
+    "vitest": "^3.1.1"
   },
   "funding": {
     "type": "opencollective",
diff --git a/packages/rule-schema-to-typescript-types/project.json b/packages/rule-schema-to-typescript-types/project.json
@@ -1,8 +1,9 @@
 {
   "name": "rule-schema-to-typescript-types",
   "$schema": "../../node_modules/nx/schemas/project-schema.json",
-  "type": "library",
-  "implicitDependencies": [],
+  "projectType": "library",
+  "root": "packages/rule-schema-to-typescript-types",
+  "sourceRoot": "packages/rule-schema-to-typescript-types/src",
   "targets": {
     "lint": {
       "executor": "@nx/eslint:lint",
diff --git a/packages/rule-schema-to-typescript-types/tsconfig.build.json b/packages/rule-schema-to-typescript-types/tsconfig.build.json
@@ -10,7 +10,7 @@
     "resolveJsonModule": true
   },
   "include": ["src/**/*.ts", "typings"],
-  "exclude": ["jest.config.js", "src/**/*.spec.ts", "src/**/*.test.ts"],
+  "exclude": ["vitest.config.mts", "src/**/*.spec.ts", "src/**/*.test.ts"],
   "references": [
     {
       "path": "../utils/tsconfig.build.json"
diff --git a/packages/rule-schema-to-typescript-types/vitest.config.mts b/packages/rule-schema-to-typescript-types/vitest.config.mts
@@ -0,0 +1,20 @@
+import { defineConfig, mergeConfig } from 'vitest/config';
+
+import { vitestBaseConfig } from '../../vitest.config.base.mjs';
+import packageJson from './package.json' with { type: 'json' };
+
+const vitestConfig = mergeConfig(
+  vitestBaseConfig,
+
+  defineConfig({
+    root: import.meta.dirname,
+
+    test: {
+      name: packageJson.name.replace('@typescript-eslint/', ''),
+      root: import.meta.dirname,
+      passWithNoTests: true,
+    },
+  }),
+);
+
+export default vitestConfig;
diff --git a/tsconfig.repo-config-files.json b/tsconfig.repo-config-files.json
@@ -12,6 +12,8 @@
     "tools/**/*.ts",
     "tools/**/*.mts",
     "eslint.config.mjs",
+    "vitest.config.base.mts",
+    "vitest.config.mts",
     "jest.config.base.js",
     "jest.config.js",
     "jest.preset.js",
diff --git a/yarn.lock b/yarn.lock
@@ -6054,9 +6054,11 @@ __metadata:
   dependencies:
     "@typescript-eslint/type-utils": 8.30.1
     "@typescript-eslint/utils": 8.30.1
+    "@vitest/coverage-v8": ^3.1.1
     natural-compare: ^1.4.0
     prettier: ^3.2.5
     typescript: "*"
+    vitest: ^3.1.1
   languageName: unknown
   linkType: soft
 

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@`
`10`	`10`	`"resolveJsonModule": true`
`11`	`11`	`},`
`12`	`12`	`"include": ["src/*/.ts", "typings"],`
`13`		`- "exclude": ["jest.config.js", "src/*/.spec.ts", "src/*/.test.ts"],`
	`13`	`+ "exclude": ["vitest.config.mts", "src/*/.spec.ts", "src/*/.test.ts"],`
`14`	`14`	`"references": [`
`15`	`15`	`{`
`16`	`16`	`"path": "../utils/tsconfig.build.json"`