lucide/packages/icons/rollup.config.mjs

import plugins from '@lucide/rollup-plugins';
import pkg from './package.json' with { type: 'json' };
import dts from 'rollup-plugin-dts';

const dtsOptions = {
  includeExternal: ['@lucide/shared/types'],
  tsconfig: './tsconfig.json',
};

const packageName = '@lucide/icons';
const outputFileName = 'lucide-icons';
const inputs = [`src/lucide-icons.ts`];
const bundles = [
  {
    format: 'cjs',
    inputs,
    extension: 'cjs',
  },
  {
    format: 'esm',
    inputs: [...inputs, './src/dynamic.ts'],
    preserveModules: true,
    extension: 'mjs',
  },
  {
    format: 'cjs',
    inputs: ['./src/build.ts'],
    outputFile: 'dist/cjs/build.cjs',
    extension: 'cjs',
  },
  {
    format: 'esm',
    inputs: ['./src/build.ts'],
    outputFile: 'dist/esm/build.mjs',
    extension: 'mjs',
  },
];

const configs = bundles
  .map(
    ({
      inputs,
      outputDir = 'dist',
      outputFile,
      format,
      minify,
      preserveModules,
      entryFileNames,
      external = [],
      paths,
      extension = 'js',
    }) =>
      inputs.map((input) => ({
        input,
        plugins: [...plugins({ pkg, minify })],
        external,
        output: {
          name: packageName,
          entryFileNames,
          ...(preserveModules
            ? {
                dir: `${outputDir}/${format}`,
                entryFileNames: `[name].${extension}`,
              }
            : {
                file:
                  outputFile ??
                  `${outputDir}/${format}/${outputFileName}${minify ? '.min' : ''}.${extension}`,
              }),
          paths,
          format,
          sourcemap: true,
          preserveModules,
          exports: 'named',
          globals: {},
          preserveModulesRoot: 'src',
        },
      })),
  )
  .flat();

export default [
  ...[
    outputFileName,
    `${outputFileName}.prefixed`,
    `${outputFileName}.suffixed`,
    'dynamic',
    'build',
  ].map((filename) => ({
    input: `./src/${filename}.ts`,
    output: [
      {
        file: `dist/esm/${filename}.d.ts`,
        format: 'esm',
      },
      {
        file: `dist/cjs/${filename}.d.cts`,
        format: 'cjs',
      },
    ],
    plugins: [dts(dtsOptions)],
  })),
  ...configs,
];