Node switch

nsw.sh

function nsw() {
  if [[ -z $1 ]]; then
    echo "Usage nsw [<node version>|ls] [-q]"
    return;
  fi
  
  if [[ $1 == "ls" ]]; then
    ls /d/Spindox/nodejs | sed s/nodejs-//
    return
  fi

  versions=$(ls /d/Spindox/nodejs | sed s/nodejs-//)

  if [[ ! $versions =~ $1 ]]; then 
    echo "Unsupported version provided"
    return
  fi

  old_node=$(node -v | sed s/v//)

  if [[ ! -z $old_node ]]; then
    # There is an old version of node in PATH, replace that
    PATH=$(echo $PATH | sed s/$old_node/$1/g)
  else
    export PATH=/d/Spindox/nodejs/nodejs-$1:$PATH
  fi

  export NODE_VERSION=$1
  export NODE_HOME=$(echo $NODE_HOME | sed s/$old_node/$1/g)

  if [[ ! $2 == "-q" ]]; then
    echo Now using node $(node -v)
  fi
}