rollup.config.mjs

/**
 * @type {import('rollup').RollupOptions}
 */
import commonjs from '@rollup/plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';
import peerDepsExternal from 'rollup-plugin-peer-deps-external';
import babel from '@rollup/plugin-babel';
import pkg from './package.json' assert { type: 'json' };
import preserveDirectives from 'rollup-plugin-preserve-directives';

const COMMON_PLUGINS = [
  resolve(),
  peerDepsExternal(),
  // jsx({ factory: 'React.createElement' }),
  babel({ babelHelpers: 'bundled', exclude: ['node_modules/**'] }),
];

const entryFileNames = (chunkInfo) => {
  if (chunkInfo.name.includes('node_modules')) {
    return chunkInfo.name.replace(/node_modules/g, 'external') + '.js';
  }

  return '[name].js';
};

const onwarn = (warning, warn) => {
  if (warning.code === 'MODULE_LEVEL_DIRECTIVE') {
    return;
  }

  warn(warning);
};

export default [
  {
    input: 'src/index.js',
    output: {
      name: 'Rollbar.react',
      file: pkg.bundles.browser,
      format: 'umd',
      sourcemap: true,
      exports: 'named',
      globals: {
        react: 'React',
        'prop-types': 'PropTypes',
        rollbar: 'Rollbar',
      },
    },
    plugins: [...COMMON_PLUGINS, commonjs()],
    onwarn,
  },

  {
    input: {
      index: 'src/index.js',
      constant: 'src/constants.js',
      Provider: 'src/provider.js',
      ErrorBoundary: 'src/error-boundary.js',
      RollbarContext: 'src/rollbar-context.js',
      historyContext: 'src/history-context.js',
      useRollbar: 'src/hooks/use-rollbar.js',
      useRollbarConfiguration: 'src/hooks/use-rollbar-config.js',
      useRollbarContext: 'src/hooks/use-rollbar-context.js',
      useRollbarPerson: 'src/hooks/use-rollbar-person.js',
      useRollbarCaptureEvent: 'src/hooks/use-rollbar-capture-event.js',
    },
    output: [
      {
        dir: pkg.module,
        format: 'es',
        sourcemap: true,
        preserveModules: true,
        preserveModulesRoot: 'src',
        entryFileNames,
      },
      {
        dir: pkg.main,
        format: 'cjs',
        sourcemap: true,
        exports: 'named',
        preserveModules: true,
        preserveModulesRoot: 'src',
        entryFileNames
      },
    ],
    plugins: [
      ...COMMON_PLUGINS,
      preserveDirectives({ suppressPreserveModulesWarning: true }),
    ],
    onwarn,
  },
];