old_contents: /* eslint-env node */
  'use strict';
  
  const react = require('broccoli-react');
  
  module.exports = {
    name: 'ember-cli-react',
  
    preprocessTree: function(type, tree) {
      if (type === 'js') {
        tree = react(tree, { transform: { es6module: true } });
      }
  
      return tree;
    },
  };
  
new_contents: /* eslint-env node */
  'use strict';
  
  const react = require('broccoli-react');
  
  module.exports = {
    name: 'ember-cli-react',
  
    preprocessTree: function(type, tree) {
      if (type === 'js') {
        tree = react(tree, { transform: { es6module: true } });
      }
  
      return tree;
    },
  
    options: {
      autoImport: {
        devtool: 'inline-source-map',
      },
    },
  };
  
subject: Add webpack config for auto import