import typescript from '@rollup/plugin-typescript'; import resolve from '@rollup/plugin-node-resolve'; import commonjs from '@rollup/plugin-commonjs'; import postcss from 'rollup-plugin-postcss'; import peerDepsExternal from 'rollup-plugin-peer-deps-external'; export default { input: 'src/index.ts', output: [ { file: 'dist/index.cjs.js', format: 'cjs', sourcemap: true }, { file: 'dist/index.esm.js', format: 'esm', sourcemap: true } ], plugins: [ peerDepsExternal(), resolve(), commonjs(), typescript({ tsconfig: './tsconfig.json' }), postcss({ modules: true, // keep using CSS modules extract: 'index.css', // <-- emit dist/index.css extensions: ['.css'] }) ], external: ['react', 'react-dom'] };