Added tests

Author: coder13

package.json

@@ -8,7 +8,9 @@
     "build": "VITE_GIT_SHA=`git rev-parse --short HEAD` tsc && vite build",
     "lint": "eslint ./",
     "type-check": "tsc --noEmit",
-    "test": "npm run lint",
+    "test": "vitest",
+    "test:ui": "vitest --ui",
+    "test:coverage": "vitest --coverage",
     "prepare": "husky install",
     "prettier": "prettier \"src/**/*.js\" --write"
   },
@@ -70,14 +72,18 @@
   "devDependencies": {
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
     "@trivago/prettier-plugin-sort-imports": "^3.2.0",
+    "@vitest/coverage-v8": "^4.0.15",
+    "@vitest/ui": "^4.0.15",
     "eslint": "^8.0.1",
     "eslint-config-prettier": "^8.5.0",
     "eslint-config-standard-with-typescript": "^39.0.0",
     "eslint-plugin-import": "^2.25.2",
     "eslint-plugin-n": "^15.0.0 || ^16.0.0 ",
     "eslint-plugin-promise": "^6.0.0",
     "husky": "^8.0.1",
-    "prettier": "^2.8.8"
+    "jsdom": "^27.2.0",
+    "prettier": "^2.8.8",
+    "vitest": "^4.0.15"
   },
   "eslintConfig": {
     "extends": [