webpack.common.js

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

module.exports = {
  entry: {
    'simple-example': './src-js/simple-example.js',
    'components-example': './src-js/components-example.js'
  },
  output: {
    path: path.resolve(__dirname, 'public/js'),
    filename: '[name].js'
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        enforce: 'pre',
        test: /\.(js|vue)$/,
        loader: 'eslint-loader',
        exclude: /node_modules/
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: file => (
          /node_modules/.test(file) &&
          !/\.vue\.js/.test(file)
        )
      },
      {
        test: /\.css$/,
        use: [
          'vue-style-loader',
          'css-loader'
        ]
      },
      {
        test: /\.scss$/,
        use: [
          'vue-style-loader',
          'css-loader',
          'sass-loader'
        ]
      }
    ]
  },
  plugins: [
    new VueLoaderPlugin()
  ]
}