Fellow Noders - Rubyists, treat your muscle memory! `edit` will correctly use `bundle open` or `npm edit` whether `Gemfile.lock` or `package.json` are in the Git root.

npm_edit_meets_bundle_open.sh

function edit {
  if [[ "$1" == "" ]]; then echo "usage: edit NAME (NAME is a bundled gem or npm package)"; return; fi
  RES=$(git rev-parse --quiet --is-inside-work-tree 2>&1)
  if [[ "$?" == "0" ]]; then
    GIT_DIR=$(git rev-parse --show-toplevel)
    if [[ -f "$GIT_DIR/package.json" ]]; then
      npm edit $1
    fi
    if [[ -f "$GIT_DIR/Gemfile" ]]; then
      bundle open $1
    fi
  else
    echo "Error: not in a git working copy."
  fi
}