listyle

Compiler for LSS (Lisp Style Sheets) — a Lisp-syntax CSS preprocessor language.

Build

meson setup build
cd build && ninja

Usage

listyle input.lss -o output.css
listyle input.lss          # outputs to stdout

Language

LSS is a Lisp-flavoured CSS preprocessor. See the specification for full syntax.

Key features:

• Variables (def)
• Mixins (defmixin / use)
• Functions (defun)
• Macros (defmacro)
• Nested selectors with & parent reference
• Loops: for, each, map
• Control flow: if, cond, when, unless
• Media queries: @media, defmedia
• Themes: deftheme / apply-theme
• Keyframes: defkeyframes
• Imports: import, include
• Built-in color functions: darken, lighten, transparentize, etc.
• Built-in math and string functions

License

GNU GPL 3.0