import peerDepsExternal from 'rollup-plugin-peer-deps-external';
import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import typescript from '@rollup/plugin-typescript';
import postcss from 'rollup-plugin-postcss';
import copy from 'rollup-plugin-copy';

export default {
  input: 'src/index.ts',
  output: [
    {
      file: 'dist/index.cjs.js',
      format: 'cjs',
      sourcemap: true,
    },
    {
      file: 'dist/index.esm.js',
      format: 'es',
      sourcemap: true,
    },
  ],
  plugins: [
    peerDepsExternal(),
    resolve({ extensions: ['.js', '.ts', '.tsx'] }),
    commonjs(),
    typescript({ tsconfig: './tsconfig.json' }),
    postcss({ extract: true, minimize: true }),
    // copy CSS module files and global styles to dist so relative @import paths resolve
    copy({
      targets: [
        { src: 'src/components/**/*.module.css', dest: 'dist/components' },
        { src: 'src/styles/**/*.css', dest: 'dist/styles' }
      ],
      verbose: true,
      flatten: false,
    }),
  ],
};