webpack.config.js

var webpack = require('webpack')
const VueLoaderPlugin = require('vue-loader/lib/plugin')

module.exports = {
  entry: './src/main.js',
  output: {
    filename: 'vue-file-picker.js'
  },
  module: {
    rules: [
      {
        test: /\.scss$/,
        use: [
          'vue-style-loader',
          'css-loader',
          'sass-loader',
          'postcss-loader'
        ]
      },
      {
        test: /\.css$/,
        use: [
          'vue-style-loader',
          'css-loader',
          'postcss-loader'
        ]
      }, {
        test: /\.vue$/,
        loader: 'vue-loader'
      }
    ]
  },
  plugins: [
    new VueLoaderPlugin()
  ]
}

if (process.env.NODE_ENV === 'production') {
  module.exports.devtool = '#source-map'
  module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"production"'
      }
    })
  ])
}