text: const merge = require('webpack-merge');
  const common = require('./webpack.common.js');
  const webpack = require('webpack');
  
  module.exports = merge(common, {
      mode: 'development',
      devtool: 'inline-source-map',
      plugins: [
          new webpack.DefinePlugin({
              'process.env.TEST_PHRASE': JSON.stringify('I can do this all day'),
          })
      ]
  });