[](https://npmjs.org/package/rollup-plugin-visualizer) [](https://github.com/btd

a wrapper around Rollup that returns a stream instead of a Promise

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

Transform optional chaining operators into a series of nil checks

Gulp extension to add header to file(s) in the pipeline.

Lightweight and faster alternative to Ramda with included TS definitions