#compdef npm
 
 # Node Package Manager 0.3.15 completion, letting npm do all the completion work
 
 _npm() {
   compadd -- $(_npm_complete $words)
 }
 
 # We want to show all errors of any substance, but never the "npm (not )ok" one.
 # (Also doesn't consider "ERR! no match found" worth breaking the terminal for.)
 _npm_complete() {
   local ask_npm
   ask_npm=(npm completion --color false --loglevel error -- $@)
   { _call_program npm $ask_npm 2>&1 >&3 \
   | egrep -v '^(npm (not |)ok|ERR! no match found)$' >&2; \
   } 3>&1
 }
 
 _npm "$@"