Lightning CSS

lastmod 2023-08-24created 2023-08-241 edits

An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.

Ultra-fast CSS parser written in Rust

Features

• Ultra-fast CSS parser/transformer/bundler/minifier built for use with Parcel
  • Over 100x faster than CSSNano and over 4x faster than ESBuild
• Can be used as a standalone library, a CLI, or a plugin for other tools
• Unlike other tools, handles property value types accurately according to the CSS spec syntax
• Built on the CSSparser/Selector made by Mozilla for Firefox/Servo, so it supports browser-grade parsing
• Highly optimized minification
• Adds/removes vendor prefixes depending on browser targets
• Generates compatible CSS syntax tailored to browsers
• CSS Modules support
• Custom transform plugin support

See also

• CSS

Favorite site

• Lightning CSS web site
• parcel-bundler/lightningcss