typescript-eslint · JoshuaKGoldberg · Apr 14, 2025 · Jan 18, 2025 · Jan 18, 2025 · Jan 18, 2025
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -37,6 +37,8 @@ const vitestFiles = [
   'packages/parser/tests/lib/**/*.test.{ts,tsx,cts,mts}',
   'packages/parser/tests/test-utils/**/*.{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',
   'packages/type-utils/tests/**/*.test.{ts,tsx,cts,mts}',
   'packages/typescript-eslint/tests/**/*.test.{ts,tsx,cts,mts}',
   'packages/utils/tests/**/*.test?(-d).{ts,tsx,cts,mts}',

diff --git a/knip.ts b/knip.ts
@@ -22,7 +22,11 @@ export default {
   workspaces: {
     '.': {
       entry: ['tools/release/changelog-renderer.js', 'tools/scripts/**/*.mts'],
-      ignore: ['tools/scripts/typings/typescript.d.ts', 'typings/*.d.ts'],
+      ignore: [
+        'jest.config.base.js',
+        'tools/scripts/typings/typescript.d.ts',
+        'typings/*.d.ts',
+      ],
       ignoreDependencies: [
         '@babel/code-frame',
         '@babel/core',
@@ -78,6 +82,14 @@ export default {
     },
     'packages/scope-manager': {
       ignore: ['tests/fixtures/**'],
+
+      vitest: {
+        config: ['vitest.config.mts'],
+        entry: [
+          'tests/**/*.{bench,test,test-d}.?(c|m)ts?(x)',
+          'tests/test-utils/serializers/index.ts',
+        ],
+      },
     },
     'packages/type-utils': {
       ignore: ['tests/fixtures/**', 'typings/typescript.d.ts'],

diff --git a/packages/scope-manager/jest.config.js b/packages/scope-manager/jest.config.js
diff --git a/packages/scope-manager/package.json b/packages/scope-manager/package.json
@@ -37,29 +37,27 @@
     "estree"
   ],
   "scripts": {
-    "build": "npx nx build",
-    "clean": "npx nx clean",
-    "clean-fixtures": "npx nx clean-fixtures",
+    "build": "tsc -b tsconfig.build.json",
+    "clean": "rimraf dist/ _ts4.3/ coverage/",
+    "clean-fixtures": "rimraf -g \"./src/**/fixtures/**/snapshots\"",
     "format": "prettier --write \"./**/*.{ts,mts,cts,tsx,js,mjs,cjs,jsx,json,md,css}\" --ignore-path ../../.prettierignore",
     "generate-lib": "npx nx generate-lib repo",
     "lint": "npx nx lint",
-    "test": "jest",
+    "test": "vitest --run --config=$INIT_CWD/vitest.config.mts",
     "check-types": "npx nx typecheck"
   },
   "dependencies": {
     "@typescript-eslint/types": "8.29.1",
     "@typescript-eslint/visitor-keys": "8.29.1"
   },
   "devDependencies": {
-    "@jest/types": "29.6.3",
     "@typescript-eslint/typescript-estree": "8.29.1",
+    "@vitest/coverage-v8": "^3.1.1",
     "glob": "*",
-    "jest": "29.7.0",
-    "jest-specific-snapshot": "*",
-    "make-dir": "*",
     "prettier": "^3.2.5",
     "pretty-format": "*",
-    "typescript": "*"
+    "typescript": "*",
+    "vitest": "^3.1.1"
   },
   "funding": {
     "type": "opencollective",

diff --git a/packages/scope-manager/project.json b/packages/scope-manager/project.json
@@ -1,48 +1,16 @@
 {
   "name": "scope-manager",
   "$schema": "../../node_modules/nx/schemas/project-schema.json",
+  "root": "packages/scope-manager",
   "sourceRoot": "packages/scope-manager/src",
   "projectType": "library",
-  "tags": [],
   "targets": {
-    "build": {
-      "executor": "nx:run-commands",
-      "outputs": ["{projectRoot}/dist"],
-      "options": {
-        "parallel": false,
-        "cwd": "packages/scope-manager",
-        "commands": ["tsc -b tsconfig.build.json"]
-      }
-    },
-    "clean": {
-      "executor": "nx:run-commands",
-      "options": {
-        "parallel": false,
-        "cwd": "packages/scope-manager",
-        "commands": [
-          "tsc -b tsconfig.build.json --clean",
-          "rimraf dist",
-          "rimraf coverage"
-        ]
-      }
-    },
-    "clean-fixtures": {
-      "executor": "nx:run-commands",
-      "options": {
-        "parallel": false,
-        "cwd": "packages/scope-manager",
-        "commands": ["rimraf -g \"./src/**/fixtures/**/snapshots\""]
-      }
-    },
     "lint": {
       "executor": "@nx/eslint:lint",
       "outputs": ["{options.outputFile}"]
     },
     "test": {
-      "executor": "@nx/jest:jest",
-      "options": {
-        "jestConfig": "packages/scope-manager/jest.config.js"
-      }
+      "executor": "@nx/vite:test"
     }
   }
 }
diff --git a/packages/scope-manager/tests/eslint-scope/class-fields.test.ts b/packages/scope-manager/tests/eslint-scope/class-fields.test.ts
@@ -39,7 +39,7 @@ describe('Class fields', () => {
     expect(classFieldInitializerScope.variables).toHaveLength(0);
   });
 
-  describe('class C { f }', () => {
+  it('class C { f }', () => {
     const { scopeManager } = parseAndAnalyze('class C { f }');
 
     const globalScope = scopeManager.scopes[0];
@@ -57,7 +57,7 @@ describe('Class fields', () => {
     expect(classScope.variables[0].name).toBe('C');
   });
 
-  describe('class C { [fname] }', () => {
+  it('class C { [fname] }', () => {
     const { scopeManager } = parseAndAnalyze('class C { [fname] }');
 
     const globalScope = scopeManager.scopes[0];
@@ -72,7 +72,7 @@ describe('Class fields', () => {
     expect(classScope.childScopes).toHaveLength(0);
   });
 
-  describe('class C { [fname] = value }', () => {
+  it('class C { [fname] = value }', () => {
     const { scopeManager } = parseAndAnalyze('class C { [fname] = value }');
 
     const globalScope = scopeManager.scopes[0];