mod should unload itself to avoid being visible; other changes are syntactic

jsconfig.json

@@ -13,6 +13,13 @@
 		],
 		"checkJs": true,
 		"strict": true,
-		"noImplicitOverride": true
+		"exactOptionalPropertyTypes": true,
+		"noFallthroughCasesInSwitch": true,
+		"noImplicitOverride": true,
+		"noImplicitReturns": true,
+		"noPropertyAccessFromIndexSignature": true,
+		"noUncheckedIndexedAccess": true,
+		"noUnusedLocals": true,
+		"noUnusedParameters": true
   }
 }