test: switch to vitest

package.json

@@ -17,7 +17,7 @@
     "prettier:check": "prettier --list-different \"{src,test}/**/*.ts\"",
     "prettier:write": "prettier --write \"{src,test}/**/*.ts\"",
     "pretest": "tsc",
-    "test": "cross-env NODE_OPTIONS=\"--experimental-vm-modules\" jest"
+    "test": "vitest run"
   },
   "author": {
     "name": "Samuel Attard",
@@ -30,15 +30,12 @@
   "devDependencies": {
     "@electron/docs-parser": "^2.0.0",
     "@types/debug": "^4.1.12",
-    "@types/jest": "^29.5.13",
     "@types/lodash": "^4.17.7",
-    "cross-env": "^7.0.3",
     "husky": "^9.1.6",
-    "jest": "^30.0.0-alpha.6",
     "lint-staged": "^15.2.10",
     "prettier": "^3.3.3",
-    "ts-jest": "^29.2.5",
-    "typescript": "^5.6.2"
+    "typescript": "^5.6.2",
+    "vitest": "^3.0.4"
   },
   "dependencies": {
     "@types/node": "^20.11.25",

test/output.spec.ts

@@ -2,6 +2,8 @@ import fs from 'node:fs';
 import { spawnSync } from 'node:child_process';
 import path from 'node:path';
 
+import { beforeAll, describe, expect, it } from 'vitest';
+
 const OUTPUT_PATH = path.resolve(import.meta.dirname, '..', 'electron.d.ts');
 let output: string;
 

test/remap-optionals.spec.ts

@@ -1,4 +1,5 @@
 import _ from 'lodash';
+import { describe, expect, it } from 'vitest';
 
 import { remapOptionals } from '../src/remap-optionals.js';
 

test/utils.spec.ts

@@ -1,4 +1,5 @@
 import { DocumentationTag } from '@electron/docs-parser';
+import { describe, expect, it } from 'vitest';
 
 import * as utils from '../src/utils.js';
 

tsconfig.json

@@ -9,8 +9,7 @@
 			"es7"
 		],
 		"types": [
-			"node",
-			"jest"
+			"node"
 		],
 		"declaration": false,
 		"sourceMap": true,