sourcemaps does not work

_try-to-build-react-via-rollup.js

import {rollup} from 'rollup';
import nodeResolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import replace from 'rollup-plugin-replace';
import jsx from 'rollup-plugin-jsx';
import babel from 'rollup-plugin-babel';

import {js, server} from '../config';

export default function () {
  return rollup({
    entry: js.src.path,
    plugins: [
      babel({
        babelrc: false,
        presets: ['es2015-rollup', 'react'],
        exclude: 'node_modules/**'
      }),
      replace({
        'process.env.NODE_ENV': JSON.stringify( 'production' )
      }),
      commonjs({
        include: 'node_modules/**',
        sourceMap: true
      }),
      nodeResolve({
        main: true
      }),
      jsx({
        factory: 'React.createElement',
        sourceMap: true
      })
    ]
  }).then(bundle => {
    return bundle.write({
      dest: js.dest.path,
      sourceMap: true,
      format: 'iife'
    });
  }).catch(error => {
    console.error(error);
  });
}

entry.jsx

'use strict';

import React from 'react';
import ReactDOM from 'react-dom';
import module from './module';

console.log('entry.jsx');
module();

const CommentBox = React.createClass({
  render: function() {
    return (
      <div className="commentBox">
        Hello, world! I am a CommentBox.
      </div>
    );
  }
});

ReactDOM.render(
  <CommentBox />,
  document.querySelector('.js-main-container')
);

module.js

'use strict';

export default function () {
  console.log('module.js');
  debugger;
}