#compdef nvm
  #autoload
  
  [[ -s ~/.nvm/nvm.sh ]] || return 0
  
  local -a _1st_arguments
  _1st_arguments=(
    'help:show help'
    'install:download and install a version'
    'uninstall:uninstall a version'
    'use:modify PATH to use version'
    'run:run version with given arguments'
    'ls:list installed versions or versions matching a given description'
    'ls-remote:list remote versions available for install'
    'deactivate:undo effects of NVM on current shell'
    'alias:show or set aliases'
    'unalias:deletes an alias'
    'copy-packages:install global NPM packages to current version'
  )
  
  _arguments -C '*:: :->subcmds' && return 0
  
  if (( CURRENT == 1 )); then
    _describe -t commands "nvm subcommand" _1st_arguments
    return
  fi