NPM command Encyclopedia

NPM The full name is Node Package Manager, It's with NodeJS Package management and distribution tools installed together , It can be easily downloaded by front-end developers 、 install 、 Upload and manage installed packages .

1. npm Installation configuration （ Optional ）

The new version of nodejs You can directly use the default configuration , No more configuration is required .

 1.  stay nodejs Create a new file under the root directory of the installation  node_cache  and  node_global  Two folders .
 2.  Use the following commands to set the global installation package directory ：
    npm config set prefix "D:Program Files
odejs
ode_global"
    npm config set cache "D:Program Files
odejs
ode_cache"
 3.  Configure environment variables ：
    Open the environment variable of the computer , System variable found , Add a new item  NODE_PATH, The value is under the installation directory nodejs,   D:Program Filesnodejsnode_globalnode_modules

2. see npm edition

npm -v

3. npm Taobao mirror （ Optional ）

#  Set global npm Taobao mirror 
npm config set registry https://registry.npm.taobao.org
#  You can also switch back to the default global image 
npm config set registry https://registry.npmjs.org

4. npm Common commands