An extremely fast CSS parser, transformer, bundler, and minifier.
Joined August 2022
- Tweets59
- Following2
- Followers1.8K
- Likes2
Raw values avoid needing to fully specify the whole AST when returning new CSS values. You can just return a raw CSS string, which Lightning CSS will parse and insert into the AST for you.
lightningcss.dev/transforms.…
ALT Example of a visitor that replaces a custom color() function with a raw CSS value.
Lightning CSS v1.19.0 is out!
📏 Custom at-rule parsing
🍣 Return raw values from custom transforms
🚨 Better error messages in transforms
🪺 Support `&` selector in non-nested rules
🧥 Merge non-adjacent @layer rules
🧑🍳 Improve selector downleveling
github.com/parcel-bundler/li…
ALT Code example showing two custom at rule definitions. @mixin registers a mixin, and @apply inlines it into a rule.
Lightning CSS v1.17.0 is out! ⚡️
🪺 Updated nesting syntax
🦋 Rust visitor API for building custom transforms
🖨️ Support for @page margin rules
🗜️ Simplify :is() selector with a single simple argument
📺 Fix media query parenthesization
github.com/parcel-bundler/li…
ALT .foo { color: red; .bar { color: blue; } }
New release! ⚡️
Lightning CSS now supports relative color syntax, which allows you to adjust colors with math functions! If you've ever wanted to lighten or darken a color, now you can – and a lot more.
Playground: lightningcss.dev/playground/…
Release notes: github.com/parcel-bundler/li…
ALT An input lch color, adjusting slateblue by darkening it 10%. Output shows a hex color, and calculated lch value.