四.小插件应用

1.cleanWebpackPlugin

每次打包前清除 dist 目录文件

1.安装

npm i clean-webpack-plugin -D

2.配置

let CleanWebpackPlugin = require("clean-webpack-plugin");
new CleanWebpackPlugin(),

2.copyWebpackPlugin

将文件夹拷贝到 dist 目录

1.安装

npm i copy-webpack-plugin -D

2.配置

let CopyWebpackPlugin = require("copy-webpack-plugin");
new CopyWebpackPlugin([{ from: "./doc", to: "./" }]),

3.bannerPlugin

版权声明

1.安装

webpack 内置的，直接用

2.配置

new webpack.BannerPlugin("autor 2019 3 17")
let webpack = require("webpack")