text: const webpackMerge = require('webpack-merge')
  const { CleanWebpackPlugin } = require('clean-webpack-plugin')
  const commonConfig = require('./webpack.common.js')
  const helpers = require('./helpers')
  
  // See https://webpack.js.org/guides/development/
  module.exports = (env) => webpackMerge(commonConfig, {
    mode: 'development',
    devtool: '@source-map',
    output: {
      path: env && env.travis === true ? helpers.root('dist') : helpers.root('dist/nonmin'),
      publicPath: '/dist/',
      filename: '[name].js',
      libraryTarget: 'umd'
    },
    plugins: [
      new CleanWebpackPlugin() // Cleans directory before building
    ]
  })
  