GitHub - parcel-bundler/lightningcss: An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.

Extremely fast – Parsing and minifying large files is completed in milliseconds, often with significantly smaller output than other tools. See benchmarks below. Typed property values – many other CSS parsers treat property values as an untyped series of tokens. This means that each transformer that wants to do something with these values must interpret them itself, leading to duplicate work and in

[efcl]

Parcelで利用されているCSSのParser, Transformer, Minifier。 Rustで書かれている