eslint-formatter-json-with-metadata

Standalone package of ESLint's official `json-with-metadata` formatter. v9.0.1 is current stable. It outputs lint results as JSON including metadata (fix count). Released on the same cadence as ESLint. Useful for programmatic consumption or CI pipelines. No external dependencies. Ships TypeScript definitions. The only difference is it can be imported independently from the main `eslint` package.