text: const path = require('path');
  const merge = require('webpack-merge');
  const common = require('./webpack.config.js');
  
  module.exports = merge(common, {
    mode: 'development',
    entry: ['babel-polyfill', path.join(__dirname, 'dev', 'index.js')],
    output: {
      filename: 'bundle.js',
      path: path.resolve(__dirname, 'dev', 'build') ,
      library: 'super-react-infinite-scroll',
      libraryTarget: 'umd'
    },
    devServer: {
      contentBase: path.join(__dirname, 'dev'),
      compress: true,
      port: 9000
    },
    devtool: 'inline-source-map',
  });
  