implemented of() and named() for numbers

node/package.json

@@ -6,27 +6,21 @@
   "scripts": {
     "build": "tsup",
     "postbuild": "cp package.json README.md ../LICENSE dist",
-    "test": "jest",
+    "test": "vitest --ui",
+    "coverage": "vitest run --coverage",
     "type-check": "tsc --noEmit",
     "format": "prettier --write src/ tests/"
   },
   "tsup": {
-    "entry": ["src/index.ts"],
+    "entry": [
+      "src/index.ts"
+    ],
     "splitting": false,
     "dts": true,
     "minify": true,
     "sourcemap": true,
     "clean": true
   },
-  "jest": {
-    "preset": "ts-jest",
-    "testEnvironment": "node",
-    "moduleNameMapper": {
-        "~": "<rootDir>/src/index.ts"
-    },
-    "collectCoverageFrom": ["src/**/*.ts"],
-    "coverageReporters": [ ["cobertura", {"file": "coverage.xml"}] ]
-  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/louisdevie/multiflag.git"
@@ -42,12 +36,12 @@
   },
   "homepage": "https://github.com/louisdevie/multiflag#readme",
   "devDependencies": {
-    "@types/jest": "^29.5.14",
-    "jest": "^29.7.0",
-    "prettier": "^3.5.3",
-    "ts-jest": "^29.3.2",
+    "@vitest/coverage-v8": "^4.0.18",
+    "@vitest/ui": "^4.0.18",
+    "prettier": "^3.8.1",
     "ts-node": "^10.9.2",
-    "tsup": "^8.3.5",
-    "typescript": "^5.8.3"
+    "tsup": "^8.5.1",
+    "typescript": "^5.9.3",
+    "vitest": "^4.0.18"
   }
 }