1、webpack打包前清除上次打包文件
安装: cnpm install clean-webpack-plugin -D
配置文件中插件引入: const { CleanWebpackPlugin } = require('clean-webpack-plugin')
插件配置:
plugins: [
.....
new CleanWebpackPlugin()
.....
]
2、资源模块
资源模块是一种模块类型,它允许使用资源文件,无需配置额外的loader
{
test: /\.(png|gif|jpe?g)$/i,
type: 'asset',
parser: {
dataUrlCondition: {
maxSize: 8* 1024
}
},
generator: {
filename: 'image/[name][ext]'
}
}
3、webpack-dev-serve
- 作用:发布web服务,提高开发效率。默认把内容打包到内存里
- 安装:
cnpm install -D webpack-dev-server
配置devServe选项,注意之前的contentBase已经更新为static属性
devServer: {
static: {
directory: path.resolve(__dirname, 'dist1')
},
compress: true,
port: 9200,
liveReload: true
},
配置package.json
"scripts": {
"dev": "webpack serve --mode development"
},
执行:npm run dev
即可
4、proxy(配置接口代理)
解决webpck-dev-server
下,访问接口的跨域问题,
devServer: {
static: {
directory: path.resolve(__dirname, 'dist1')
},
compress: true,
port: 9200,
liveReload: true,
proxy: {
"/api": {
target: 'https://api.github.com',
pathRewrite: {
'^/api': ''
},
changeOrigin: true
}
}
测试:浏览器访问 http://localhost:9200/api/users
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