webpack-rollup-loader

A Webpack loader that delegates module bundling to Rollup while using Webpack's own module resolution. Version 0.8.1 is the latest stable release, with no active development since 2020. It requires both webpack >=3.3.0 and rollup ^1.0.0 || ^2.0.0. Key differentiator: combines Rollup's tree-shaking and ES module optimizations with Webpack's plugin ecosystem and code splitting. Best suited for project entry points where Rollup's bundling is desired but full migration is impractical. Not for general .js files due to recursive bundling issues.