typescript-eslint · aryaemami59 · May 21, 2025 · May 27, 2025 · May 29, 2025 · May 30, 2025
diff --git a/packages/project-service/package.json b/packages/project-service/package.json
@@ -53,6 +53,12 @@
     "@typescript-eslint/types": "^8.35.0",
     "debug": "^4.3.4"
   },
+  "devDependencies": {
+    "@vitest/coverage-v8": "^3.1.3",
+    "rimraf": "*",
+    "typescript": "*",
+    "vitest": "^3.1.3"
+  },
   "funding": {
     "type": "opencollective",
     "url": "https://opencollective.com/typescript-eslint"

diff --git a/packages/tsconfig-utils/package.json b/packages/tsconfig-utils/package.json
@@ -47,6 +47,12 @@
   "peerDependencies": {
     "typescript": ">=4.8.4 <5.9.0"
   },
+  "devDependencies": {
+    "@vitest/coverage-v8": "^3.1.3",
+    "rimraf": "*",
+    "typescript": "*",
+    "vitest": "^3.1.3"
+  },
   "funding": {
     "type": "opencollective",
     "url": "https://opencollective.com/typescript-eslint"

diff --git a/...ils/tests/lib/getParsedConfigFile.test.ts → ...g-utils/tests/getParsedConfigFile.test.ts b/...ils/tests/lib/getParsedConfigFile.test.ts → ...g-utils/tests/getParsedConfigFile.test.ts
@@ -1,7 +1,7 @@
-import path from 'node:path';
+import * as path from 'node:path';
 import * as ts from 'typescript';
 
-import { getParsedConfigFile } from '../../src/getParsedConfigFile';
+import { getParsedConfigFile } from '../src/getParsedConfigFile.js';
 
 const mockGetParsedCommandLineOfConfigFile = vi.fn();
 
@@ -22,9 +22,9 @@ describe(getParsedConfigFile, () => {
   });
 
   it('throws an error when tsserver.sys is undefined', () => {
-    expect(() =>
-      getParsedConfigFile({} as typeof ts, './tsconfig.json'),
-    ).toThrow(
+    expect(() => {
+      getParsedConfigFile({} as typeof ts, './tsconfig.json');
+    }).toThrow(
       '`getParsedConfigFile` is only supported in a Node-like environment.',
     );
   });
@@ -72,9 +72,9 @@ describe(getParsedConfigFile, () => {
         },
       ] satisfies ts.Diagnostic[],
     });
-    expect(() => getParsedConfigFile(mockTsserver, './tsconfig.json')).toThrow(
-      /.+ error TS1234: Oh no!/,
-    );
+    expect(() => {
+      getParsedConfigFile(mockTsserver, './tsconfig.json');
+    }).toThrow(/.+ error TS1234: Oh no!/);
   });
 
   it('throws a diagnostic error when getParsedCommandLineOfConfigFile throws an error', () => {
@@ -96,9 +96,9 @@ describe(getParsedConfigFile, () => {
         } satisfies ts.Diagnostic);
       },
     );
-    expect(() => getParsedConfigFile(mockTsserver, './tsconfig.json')).toThrow(
-      /.+ error TS1234: Oh no!/,
-    );
+    expect(() => {
+      getParsedConfigFile(mockTsserver, './tsconfig.json');
+    }).toThrow(/.+ error TS1234: Oh no!/);
   });
 
   it('uses compiler options when parsing a config file succeeds', () => {

diff --git a/packages/tsconfig-utils/tsconfig.build.json b/packages/tsconfig-utils/tsconfig.build.json
@@ -1,14 +1,5 @@
 {
-  "extends": "../../tsconfig.base.json",
-  "compilerOptions": {
-    "baseUrl": ".",
-    "rootDir": "src",
-    "outDir": "dist",
-    "tsBuildInfoFile": "dist/tsconfig.build.tsbuildinfo",
-    "emitDeclarationOnly": false,
-    "types": ["node"]
-  },
-  "include": ["src/**/*.ts", "typings"],
-  "exclude": ["vitest.config.mts", "src/**/*.spec.ts", "src/**/*.test.ts"],
+  "extends": "../../tsconfig.build.json",
+  "compilerOptions": {},
   "references": []
 }
diff --git a/packages/tsconfig-utils/tsconfig.spec.json b/packages/tsconfig-utils/tsconfig.spec.json
@@ -1,20 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
-    "outDir": "../../dist/out-tsc/packages/tsconfig-utils",
-    "module": "NodeNext",
-    "resolveJsonModule": true,
-    "types": ["node", "vitest/globals", "vitest/importMeta"]
+    "outDir": "../../dist/packages/tsconfig-utils"
   },
-  "include": [
-    "vitest.config.mts",
-    "package.json",
-    "src/**/*.test.ts",
-    "src/**/*.spec.ts",
-    "src/**/*.d.ts",
-    "tests"
-  ],
-  "exclude": ["**/fixtures/**"],
   "references": [
     {
       "path": "./tsconfig.build.json"

diff --git a/packages/tsconfig-utils/vitest.config.mts b/packages/tsconfig-utils/vitest.config.mts
@@ -11,14 +11,9 @@ const vitestConfig = mergeConfig(
     root: import.meta.dirname,
 
     test: {
-      diff: {
-        maxDepth: 1,
-      },
-
       dir: path.join(import.meta.dirname, 'tests'),
       name: packageJson.name.replace('@typescript-eslint/', ''),
       root: import.meta.dirname,
-      testTimeout: 10_000,
     },
   }),
 );