Expected Behaviour

TypeScript errors shall be reported for .js files, if "checkJS": false in tsconfig.json but enabled for a few files selectively using // @ts-check .

Actual Behaviour

no TypeScript errors are reported for such .js files

Steps to Reproduce the Problem

Build the repo linked below, the error in test.js is not reported.

Location of a Minimal Repository that Demonstrates the Issue.

https://github.com/reinholdk/ts-loader-sample