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by franky47 1036 days ago
That's my one grief with tsc: it does too many different things.

- Type checking

- Transpiling to multiple formats (CJS/ESM, JSX and the like)

- Generating declaration files (.d.ts)

While there are modern alternatives for transpiling, much faster than tsc (esbuild, swc), typechecking and declaration generation are still very slow operations.