chore: update type testing setup (#2139)

* chore: update type testing setup
* stricter TSConfig
* deduplicate type checking

Author: mrazauskas

package.json

@@ -42,7 +42,7 @@
     "lint": "npm run lint:oxlint && npm run lint:format && npm run lint:types && npm run lint:compat",
     "lint:oxlint": "oxlint --max-warnings 0 .",
     "lint:format": "oxfmt --check .",
-    "lint:types": "tsc --noEmit --project types && tstyche",
+    "lint:types": "tstyche",
     "lint:compat": "eslint",
     "test": "npm run build && vitest run --project node --project tasks --project rspack --coverage",
     "test:browser": "vitest run --project browser",

tstyche.config.json

@@ -2,16 +2,14 @@
   "compilerOptions": {
     "module": "commonjs",
     "lib": ["es6"],
-    "noImplicitAny": true,
-    "noImplicitThis": true,
-    "strictNullChecks": true,
-    "strictFunctionTypes": true,
+    "exactOptionalPropertyTypes": true,
+    "noUncheckedIndexedAccess": true,
+    "strict": true,
     "noEmit": true,
 
-    "baseUrl": ".",
     "types": [],
     "paths": {
-      "handlebars": ["."]
+      "handlebars": ["../"]
     }
   }
 }