Nodejs_npm_yarn

安装node.js

（archlinux发行版及其衍生版上，其他版本可用相关的软件包管理工具进行安装，如：yum apt-get，也可到官网下载安装包进行安装）

sudo pacman -S nodejs
#项目出现TypeError [ERR_INVALID_ARG_TYPE]错误时降级安装nodejs-lts-erbium node12长期支持版

node -v

用yarn替换npm命令

npm (v5)	Yarn
`npm install [package] --save`	`yarn add [package]`
`npm install [package] --save-dev`	`yarn add [package] --dev`
(N/A)	`yarn add [package] --peer`
`npm install [package] --save-optional`	`yarn add [package] --optional`
`npm install [package] --save-exact`	`yarn add [package] --exact`
(N/A)	`yarn add [package] --tilde`
`npm install [package] --global`	`yarn global add [package]`
`npm update --global`	`yarn global upgrade`
`npm rebuild`	`yarn add --force`
`npm uninstall [package]`	`yarn remove [package]`
`npm cache clean`	`yarn cache clean [package]`
`rm -rf node_modules && npm install`	`yarn upgrade`
`npm version major`	`yarn version --major`
`npm version minor`	`yarn version --minor`
`npm version patch`	`yarn version --patch`

镜像源配置

简单修改

yarn

# 临时修改（只生效一次）
yarn save 包的名字 --registry https://registry.npm.taobao.org

#  设置npm的配置项（全局配置）
yarn config set registry https://registry.npm.taobao.org

# 查看npm源的当前地址
yarn config get registry

npm

# 临时修改（只生效一次）
npm install 包的名字 --registry https://registry.npm.taobao.org

#  设置npm的配置项（全局配置）
npm config set registry https://registry.npm.taobao.org

# 查看npm源的当前地址
npm config get registry

使用工具修改

yarn

# 安装工具
sudo yarn global add yrm

# 列出可选源
yrm ls

* npm ---- https://registry.npmjs.org/
  cnpm --- http://r.cnpmjs.org/
  taobao - https://registry.npm.taobao.org/
  nj ----- https://registry.nodejitsu.com/
  rednpm - http://registry.mirror.cqupt.edu.cn/
  npmMirror  https://skimdb.npmjs.com/registry/
  edunpm - http://registry.enpmjs.org/

# 测试源响应时间
yrm test

 * npm ---- 13480ms
  cnpm --- 1807ms
  taobao - 482ms
  nj ----- Fetch Error
  rednpm - Fetch Error
  npmMirror  2499ms
  edunpm - Fetch Error
  yarn --- Fetch Error

# 切换源
yrm use taobao

npm

# 安装工具
npm install -g nrm

# 列出可选源
nrm ls

* npm ---- https://registry.npmjs.org/
  cnpm --- http://r.cnpmjs.org/
  taobao - https://registry.npm.taobao.org/
  nj ----- https://registry.nodejitsu.com/
  rednpm - http://registry.mirror.cqupt.edu.cn/
  npmMirror  https://skimdb.npmjs.com/registry/
  edunpm - http://registry.enpmjs.org/

# 测试源响应时间
nrm test

* npm ---- 1440ms
  cnpm --- 937ms
  taobao - 392ms
  nj ----- Fetch Error
  rednpm - Fetch Error
  npmMirror  1296ms
  edunpm - Fetch Error

# 切换源
nrm use taobao