vue2-datepicker/build/webpack.base.config.js

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

module.exports = {
  resolve: {
    extensions: ['.js', '.vue', '.json'],
    alias: {
      '@': path.join(__dirname, '..', 'src')
    }
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        use: [
          {
            loader: 'vue-loader',
            options: {
            }
          }
        ]
      },
      {
        test:/\.scss$/,
        use: ['vue-style-loader', 'css-loader', 'postcss-loader', 'sass-loader']
      },
      {
        test: /\.js$/,
        use: ['babel-loader'],
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: '[name].[ext]?[hash]'
            }
          }
        ]
      }
    ]
  },
  plugins: [
    new VueLoaderPlugin()
  ]
}