Source maps available

When a consumer encounters a bug that originates inside your package, their stack trace shows transpiled or minified output — line numbers and variable names from dist/index.cjs line 1 that bear no resemblance to the original source. Without source maps, debugging requires manually cloning your repo, matching the version, and mapping the call site. ISO 25010 analysability degrades directly: the time-to-understand a stack trace goes from seconds to minutes.

Enable source map generation in your build tool and include the .map files in the published package.

// tsup.config.ts:
import { defineConfig } from 'tsup'
export default defineConfig({ sourcemap: true })

// tsconfig.json — for declaration maps:
{
  "compilerOptions": { "declarationMap": true }
}

Verify that .js.map files appear in dist/ after building and that your files field in package.json includes the dist directory (so maps are published). At least one .map file must be present in the published package for this check to pass.