rollup-plugin-scss-lit

Rollup plugin that imports Sass/SCSS sources as constructable stylesheets for Lit (lit-html/lit-element) and FAST Element projects. Version 2.1.0, released 2024-12-10, supports Node >=18 and peer dependencies lit ^2||^3 and rollup ^2||^3||^4. Replaces rollup-plugin-styles + rollup-plugin-lit-css with a single step. Uses the official Sass compileString API, supports minification via cssnano or esbuild, custom PostCSS transforms, include/exclude patterns, and TypeScript declarations. Faster and simpler than alternative multi-plugin setups.