npm、yarn、cnpm

1. npm

# 升级npm
sudo npm install npm -g #linux

# 清除所有npm缓存
npm cache clean --force

# 查看所有config
npm config list

# 配置国内镜像源
# npm config set registry https://registry.npm.taobao.org (旧作废)
npm config set registry https://registry.npmmirror.com

# 查看当前镜像源
npm config get registry

# 恢复原来镜像源
npm config set registry http://registry.npmjs.org

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2. cnpm

# 安装
npm install -g cnpm --registry=https://registry.npm.taobao.org

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3. yarn

# 安装
cnpm i yarn -g --verbose

# 原yarn镜像源
https://registry.yarnpkg.com

# 查看所有config
yarn config list

# 配置淘宝镜像
# yarn config set registry https://registry.npm.taobao.org/ -g (旧作废)
yarn config set registry https://registry.npmmirror.com

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4. npm与yarn使用命令的区别

	npm	yarn
安装依赖	npm install<br />简写：npm i	yarn install<br />简写：yarn i
安装生产环境包	npm install [package] --save<br />简写：npm i [package]	yarn add [package]
安装开发环境包	npm install [package] --save-dev<br />简写：npm i [package] -S	yarn add [package] --dev
安装全局环境包	npm install [package] --global<br />简写：npm i [package] -g	yarn add [package] global
卸载生产环境包	npm uninstall [package] --save<br />简写：npm uninstall [package]	yarn remove [package]
卸载开发环境包	npm uninstall [package] --save-dev<br />简写：npm uninstall [package] -S	yarn remove [package]
更新某个依赖	npm rebuild [package]	yarn add [package] --force