Update tsconfig.json

Author: AlttiRi

tsconfig.json

@@ -1,20 +1,33 @@
 {
   "compilerOptions": {
-    // It very notable slow-downs the object instancing for the "target" is less than "ES2022" if is set to `true`.
-    "useDefineForClassFields": false,
-    "allowJs": true,
-
     "target": "ES2020",
-    "module": "ES2020",
-    "moduleResolution": "bundler",
-    "esModuleInterop":  true,
+    "lib": ["ES2021", "DOM", "DOM.Iterable"],
 
-    "strictNullChecks": true,
-    "strictPropertyInitialization": true,
+    /* Bundler preset */
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "noEmit": true,
+    // "allowImportingTsExtensions": true,
+
+    "useDefineForClassFields": false,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "allowJs": false,
+
+    "strict": true,
+    "strictNullChecks":    true,
     "strictFunctionTypes": true,
     "strictBindCallApply": true,
-    "alwaysStrict":     true,
-    "noImplicitAny":    true,
-    "noImplicitThis":   true,
+    "strictPropertyInitialization": true,
+    "noFallthroughCasesInSwitch":   true,
+    "alwaysStrict":   true,
+    "noImplicitAny":  true,
+    "noImplicitThis": true
   }
 }
+
+// Note:
+// `useDefineForClassFields` very notable slow-downs the object instancing
+// for the "target" is less than "ES2022" if is set to `true`.