npm cheatsheet

b3-dev/node/NPM-CHEATSHEET.md

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+# Node Package Manager (NPM) quick cheatsheet
+
+## get help 
+```
+npm -h
+```
+## get help on a command
+```
+$ npm <command> -h
+```
+eg  :
+```
+$ npm init -h
+```
+
+## init a project (create package.json)
+```
+$ npm init
+```
+
+## install module globally (adds to package.json)
+```
+npm i -g saxon-js 
+```
+or long version
+```
+npm install -g saxon-js 
+```
+
+
+## install module localy (adds to package.json)
+```
+npm i saxon-js 
+```
+
+## install module localy and do not add to package json
+```
+npm i --no-save saxon-js 
+```
+
+## check all modules installed localy
+```
+$ npm ls
+```
+
+## check all modules installed globaly
+```
+$ npm ls -g
+```
+
+## uninstall local module
+```
+npm uninstall saxon-js 
+```
+Shorthand `u` does NOT work
+
+## uninstall global module
+```
+npm uninstall -g saxon-js 
+```
+
+## sources 
+ - https://docs.npmjs.com/cli/v6/commands/npm-install
+ - https://www.tutorialspoint.com/nodejs/nodejs_npm.htm