Determine full npm dependencies of a node.js package.

npmdeps.sh

#Add to .bashrc
#Usage: npmdeps <package>[@<version>]
function npmdeps {
  regex="^[- |]*$"
  regex_space="^ *$"
  regex_github="github\.com"
  if [[ "$1" =~ $regex ]]; then
    return
  else
    DEPS=`npm info $1 dependencies|perl -0777 -pe 's/^.*{//gs'|perl -0777 -pe 's/}.*$//gs'| sed "s/[\{\}' ]//g" | sed 's/, \?/\n/g' | sed "s/:/@/g"`
    echo "`echo "$2"|sed 's/-/ /g'|sed 's/ $/-/'`$1"
    if ! [[ $(echo " $3" | grep $1) ]]; then
      while read -r line; do
        if [[ "$line" =~ $regex_github ]]; then
          #Github dependency in npm package?  Shame on you.
          echo "`echo "$2| "|sed 's/-/ /g'|sed 's/ $/-/'`$line"
        else
          npmdeps "$line" "$2| " "'$3;$1'"
        fi
      done <<< "$DEPS"
    fi
  fi
}