vanilagy/sarcina

A well-tested CSS minifier

fs.copyFileSync ponyfill

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

a glob matcher in javascript

Implements performance.now (based on process.hrtime).

A stable array sort for JavaScript

TypeScript is a language for application scale JavaScript development

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

Highly configurable, well-tested, JavaScript-based HTML minifier.

gives Rollup an imaginary file system, e.g. for testing other plugins