text: const webpack = require('webpack');
  const merge = require('webpack-merge');
  const commonConfig = require('./webpack.common.js');
  
  module.exports = merge(commonConfig, {
    devtool: 'inline-source-map',
  
    plugins: [
      new webpack.DefinePlugin({
        'process.env.NODE_ENV': JSON.stringify('development')
      })
    ]
  });
  