$ tsc --watch
c13:12:48 - Starting compilation in watch mode...


13:12:53 - Found 0 errors. Watching for file changes.
c13:15:35 - File change detected. Starting incremental compilation...


13:15:36 - Found 0 errors. Watching for file changes.
c13:15:38 - File change detected. Starting incremental compilation...


13:15:38 - Found 0 errors. Watching for file changes.