webpack.common.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CopyWebpackPlugin = require('copy-webpack-plugin')

module.exports = {
  entry: path.resolve(__dirname, 'src', 'main.js'),
  output: {
    path: path.resolve(__dirname, 'docs'),
    filename: '[name].[hash].js'
  },

  resolve: {
    extensions: ['.js', '.vue', '.json'],
    alias: {
      'vue$': 'vue/dist/vue.esm.js'
    }
  },

  module: {
    rules: [
      {
        test: /\.js$/,
        use: ['babel-loader'],
        exclude: /node_modules/
      },
      {
        test: /\.vue$/,
        use: ['vue-loader']
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      }
    ]
  },

  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src', 'index.html')
    }),
    new CopyWebpackPlugin([{
      from: path.resolve(__dirname, 'static'),
      to: path.resolve(__dirname, 'docs', 'static')
    }])
  ]
}