webpack.config.js

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

module.exports = {
  entry: './src/main.js',
  mode: 'development',
  optimization: {
    minimize: true,
    removeAvailableModules: true,
    providedExports: true,
    usedExports: true
  },
  output: {
    path: path.resolve(__dirname, './'),
    publicPath: './',
    filename: 'index.js',
    libraryTarget: 'umd',
    library: '@unicorns/toaster',
    umdNamedDefine: true
  },
  externals: {
    events: 'events'
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      '@': path.resolve(__dirname, 'src')
    }
  },
  plugins: [
    new VueLoaderPlugin()
  ],
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(scss|sass)$/,
        use: [
          'style-loader',
          'css-loader',
          'sass-loader'
        ]
      },
      {
        test: /\.(png|jpg|gif)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }
      },
      {
        test: /\.svg$/,
        loader: 'vue-svg-loader',
        options: {
          svgo: {
            plugins: [
              { removeDoctype: true },
              { removeComments: true },
              { removeMetadata: true },
              { removeDesc: true },
              { removeUselessDefs: true },
              { removeXMLNS: true },
              { removeEditorsNSData: true },
              { removeEmptyAttrs: true },
              { removeHiddenmElems: true },
              { removeEmptyText: true },
              { removeEmptyContainers: true },
              { minifyStyles: true },
              { removeUnknownsAndDefaults: true },
              { removeUselessStrokeAndFill: true },
              { removeUnusedNS: true },
              { removeRasterImages: true },
              { mergePaths: true },
              { convertShapeToPath: true },
              { removeScriptElement: true }
            ]
          }
        }
      },
    ]
  },
  devServer: {
    historyApiFallback: true,
    noInfo: true
  },
  performance: {
    hints: false
  },
  devtool: '#eval-source-map'
}

if (process.env.NODE_ENV === 'production') {
  module.exports.devtool = '#source-map'
  module.exports.mode = 'production'
  // http://vue-loader.vuejs.org/en/workflow/production.html
  module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.LoaderOptionsPlugin({
      minimize: true
    })
  ])
}

// test specific setups
if (process.env.NODE_ENV === 'test') {
  module.exports.externals = [require('webpack-node-externals')()]
  module.exports.devtool = 'eval'
}