Run type checker alongside runtime tests

Author: aryaemami59

package.json

@@ -44,7 +44,7 @@
     "lint:fix": "eslint src test --fix",
     "prepare": "yarn clean && yarn build",
     "pretest": "yarn lint",
-    "test": "vitest --run",
+    "test": "vitest --run --typecheck",
     "test:watch": "vitest --watch",
     "type-tests": "tsc --noEmit -p tsconfig.test.json",
     "coverage": "codecov"