webpack.config.js

const path = require('path');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const webpack = require('webpack');
var isProduction = process.env.NODE_ENV === 'production';

module.exports = {
  entry: './app/app.js',
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'app.js'
  },
  plugins: [
    // Copy our app's index.html to the build folder.
    new CopyWebpackPlugin([
      { from: './app/index.html', to: "index.html" }
    ])
  ],
  resolve: {
    //extensions: ['.js', '.vue'],
    alias: {
      'vue$': 'vue/dist/vue.esm.js'
      // 'vue': 'vue/dist/vue.common.js',
      // 'src': path.resolve(__dirname, '../src'),
      // 'assets': path.resolve(__dirname, '../src/assets'),
      // 'components': path.resolve(__dirname, '../src/components')
    }
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
          }
          // other vue-loader options go here
        }
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg|ico)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }
      }
    ],
    loaders: [
      { test: /\.json$/, use: 'json-loader' }
    ]
  }
}