webpack.config.js

const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require("clean-webpack-plugin");

module.exports = {
  devtool: 'source-map',
  entry: __dirname + '/app/index.js',
  output: {
    path: __dirname + '/public',
    filename: 'bundle-[hash].js',
  },
  devServer: {
    contentBase: "./public", //本地服务器所加载的页面所在的目录
    historyApiFallback: true, //不跳转
    inline: true, //实时刷新
    hot: true
  },
  module: {
    rules: [
      {
        test: /(\.jsx|\.js)$/,
        use: {
          loader: "babel-loader",
        },
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: "style-loader"
          },
          {
            loader: "css-loader",
            options: {
              modules: true, // 指定启用css modules
              localIdentName: '[name]__[local]--[hash:base64:6]' // 指定css的类名格式
            }
          }
        ]
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: "style-loader"
          },
          {
            loader: "css-loader",
            options: {
              modules: true, // 指定启用css modules
              localIdentName: '[name]__[local]--[hash:base64:6]' // 指定css的类名格式
            }
          },
          {
            loader: "less-loader"
          }
        ]
      }
    ]
  },
  plugins: [
    new webpack.BannerPlugin('版权所有Jay Guo，翻版必究'),
    new HtmlWebpackPlugin({
      template: __dirname + '/app/index.tmpl.html' //new一个这个插件的实例，并传入相关的参数
    }),
    new webpack.HotModuleReplacementPlugin(), // 热加载插件
    new CleanWebpackPlugin('public/*.*', {
      root: __dirname,
      verbose: true,
      dry: false
    })
  ]
}