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Log which project is being checked.Β #60942

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@remcohaszing

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@remcohaszing

πŸ” Search Terms

log which program is being checked

βœ… Viability Checklist

⭐ Suggestion

Log the project that is being checked. Also log something if all checks pass. E.g.:

$ tsc --build
Checking tsconfig.json
Checking packages/a/tsconfig.build.json
Checking packages/a/tsconfig.json
Checking packages/b/tsconfig.build.json
Checking packages/b/tsconfig.json
Success βœ“

πŸ“ƒ Motivating Example

The tsc command now has useful logging in case of success by default.

πŸ’» Use Cases

Currently tsc doesn’t log anything about the project it’s checking. In case of success, it logs nothing. If a command run takes longer and emits nothing, I usually get suspicious something went wrong.

A more serious use case are project references. TypeScript checks referenced projects one by one. A program may fail type checking. If it does, TypeScript will log which files failed type checking. However, it is ambiguous of which program this file was a part. It may be part of multiple programs. It may succeed type checking for one program, but fail in another. I.e. maybe one program should have excluded it. Or maybe it should have added a missing lib, but which program?

All of this can be debugged using --traceResolution, but that info is very verbose and it takes a clean and second run

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