OptionsOn ni itself
-g
Operates in 'global' mode, so that packages are installed into the prefix folder instead of the current working directory
-D
Package will appear in your `devDependencies`
-P
Save package to your `peerDependencies`
-O
Save package to your `optionalDependencies`
--frozen
Don't generate a lockfile and fail if an update is needed
-C
Change directory <directory> <target>
-h--help
Output usage information
