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How do you debug type-resolution and ESM/CJS mismatches with `traceResolution` and `explain`?

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01

Understand the problem

Use npx tsc --traceResolution, --explainFiles, arethetypeswrong, and publint to diagnose why types resolve to the wrong file.

toolingdebugging
02

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Nudge consolestandby

Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.

03

Study the solution

dual pkgCJS + ESM<line class="d-

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04

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