NPM-LS(3)                                                              NPM-LS(3)

       npm-ls -- List installed packages

SYNOPSIS, [silent,] callback)

       This command will print to stdout all the versions of packages that are
       installed, as well as their dependencies, in a tree-structure. It will
       also return that data using the callback.

       This command does not take any arguments, but args must be defined.
       Beyond that, if any arguments are passed in, npm will politely warn that
       it does not take positional arguments, though you may set config flags
       like with any other command, such as global to list global packages.

       It will print out extraneous, missing, and invalid packages.

       If the silent parameter is set to true, nothing will be output to the
       screen, but the data will still be returned.

       Callback is provided an error if one occurred, the full data about which
       packages are installed and which dependencies they will receive, and a
       "lite" data object which just shows which versions are installed where.
       Note that the full data object is a circular structure, so care must be
       taken if it is serialized to JSON.

       •   Default: false

       •   Type: Boolean

       Show extended information.

       •   Default: false

       •   Type: Boolean

       Show parseable output instead of tree view.

       •   Default: false

       •   Type: Boolean

       List packages in the global install prefix instead of in the current

       Note, if parseable is set or long isn´t set, then duplicates will be
       trimmed.  This means that if a submodule a same dependency as a parent
       module, then the dependency will only be output once.

                                    July 2013                          NPM-LS(3)