refactor: move to vitest

jest.config.js

@@ -1,5 +0,0 @@
-/** @type {import('ts-jest').JestConfigWithTsJest} */
-module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-};

package.json

@@ -22,14 +22,12 @@
   "author": "SrIzan10 <66965250+SrIzan10@users.noreply.github.com>",
   "license": "MIT",
   "devDependencies": {
-    "@types/jest": "^29.5.8",
-    "jest": "^29.7.0",
-    "ts-jest": "^29.1.1",
     "tsup": "^7.2.0",
-    "typescript": "^5.2.2"
+    "typescript": "^5.2.2",
+    "vitest": "^0.34.6"
   },
   "scripts": {
-    "test": "jest",
+    "test": "vitest run",
     "build": "tsup"
   }
 }

tests/randomString.test.ts

@@ -1,4 +1,5 @@
 import { randomString } from '../src/index.ts'
+import { describe, it, expect } from 'vitest'
 
 describe('randomString', () => {
     it('should return a random string with the length of 10', () => {