webpack4.0

安装

mkdir webpack-demo && cd webpack-demo
npm init -y
npm install webpack webpack-cli --save-dev

快速入门

项目下新建src/index.js    webpack.config.js 

module.exports = {
  mode:'development'
}

在dist目录下新建index.html页面

运行

npx webpack

Entry

用法 entry:string|Array(string)

Output

用法：

filename:用于文件名的输出

path:目标输出目录，绝对路径

const { resolve } = require('path')
module.exports = {
  entry: './src/index.js',
  output: {
    filename: 'app.bundler.js',
    path: resolve(__dirname, 'dist')
  },
  mode: 'development'
}