lucide/packages/solid/rollup.config.mjs

import path from 'path';
import { babel } from '@rollup/plugin-babel';
import esbuild from 'esbuild';
import plugins from '@lucide/rollup-plugins';
import dts from 'rollup-plugin-dts';

import pkg from './package.json' with { type: 'json' };

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

const packageName = '@lucide/solid';
const outputFileName = 'lucide-solid';
const outputDir = 'dist';
const inputs = ['src/lucide-solid.ts'];

const bundles = [
  {
    format: 'cjs',
    inputs,
    outputDir,
    preserveModules: true,
  },
  {
    format: 'esm',
    inputs,
    outputDir,
    preserveModules: true,
    extension: 'mjs',
  },
];

const configs = bundles
  .map(({ inputs, outputDir, format, preserveModules, extension = 'js' }) =>
    inputs.map((input) => ({
      input,
      plugins: [
        babel({
          extensions: ['.ts', '.tsx', '.js', '.jsx'],
          babelHelpers: 'bundled',
          presets: [
            'babel-preset-solid',
            '@babel/preset-typescript',
            ['@babel/preset-env', { targets: 'last 2 years' }],
          ],
          // Babel 8's @babel/preset-typescript no longer enables JSX parsing for .tsx files,
          // and babel-preset-solid's Babel 7 JSX syntax plugin skips it when TypeScript is enabled.
          overrides: [{ test: /\.[jt]sx$/, parserOpts: { plugins: ['jsx'] } }],
        }),
        ...plugins({
          pkg,
          withEsbuild: false,
        }),
        format === 'esm'
          ? {
              name: 'ts',
              buildEnd() {
                // Transpile typescript to './dist/source'
                esbuild.build({
                  entryPoints: ['./src/**/*.tsx', './src/**/*.ts'],
                  outdir: './dist/source',
                  outExtension: {
                    '.js': '.jsx',
                  },
                  loader: {
                    '.js': 'jsx',
                  },
                  jsx: 'preserve',
                  jsxImportSource: '@solidjs/web',
                  bundle: true,
                  format: 'esm',
                  sourcemap: true,
                  target: ['esnext'],
                  banner: {
                    js: `/**
* @license ${pkg.name} v${pkg.version} - ${pkg.license}
*
* This source code is licensed under the ${pkg.license} license.
* See the LICENSE file in the root directory of this source tree.
*/`,
                  },
                  plugins: [
                    {
                      name: 'externalize-everything-except-own-dependencies',
                      setup(build) {
                        build.onResolve({ filter: /(.*)/ }, (args) => {
                          const modulePath = path.join(args.resolveDir, args.path);
                          if (
                            args.kind === 'import-statement' &&
                            args.path !== '@lucide/shared' &&
                            !modulePath.includes('packages/shared')
                          ) {
                            return { path: args.path, external: true };
                          }
                        });
                      },
                    },
                  ],
                  external: ['solid-js', '@solidjs/web'],
                });
              },
            }
          : null,
      ],
      external: ['solid-js', '@solidjs/web'],
      output: {
        name: packageName,
        ...(preserveModules
          ? {
              dir: `${outputDir}/${format}`,
              exports: 'auto',
              entryFileNames: `[name].${extension}`,
            }
          : {
              file: `${outputDir}/${format}/${outputFileName}.${extension}`,
            }),
        format: format === 'source' ? 'esm' : format,
        preserveModules,
        preserveModulesRoot: 'src',
        sourcemap: true,
      },
    })),
  )
  .flat();

const typesConfig = {
  input: inputs[0],
  output: {
    dir: `${outputDir}/types`,
    format: 'es',
    preserveModules: true,
    preserveModulesRoot: 'src',
    entryFileNames: '[name].d.ts',
  },
  plugins: [dts(dtsOptions)],
};

export default [...configs, typesConfig];