webpack.common.js

const path = require('path');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { VueLoaderPlugin } = require('vue-loader');

module.exports = {
  entry: path.join(__dirname, 'src/index.js'),
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  resolve: {
    extensions: [".js", ".json", ".css", '.vue']
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.js$/,
        loader: 'babel-loader'
      },
      {
        test: /\.css$/,
        use: [
          'vue-style-loader',
          'css-loader'
        ]
      },
      {
        test: /\.scss$/,
        use: [
          'vue-style-loader',
          'css-loader',
          'sass-loader'
        ]
      }

    ]
  },
  plugins: [
    new CleanWebpackPlugin(['dist']),
    new VueLoaderPlugin(),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, 'index.html'), // 模板文件
      inject: 'body' // js的script注入到body底部
    })
  ]
};