jacob

defmodule Jacob.Command.Helper do
  @moduledoc """
  Povides various functions related to `Jacob.Command`
  """

  @doc """
  Return the command's id for the given command name or module
  """
  @spec id(String.t() | module) :: atom
  def id(command) when is_binary(command) do
    command |> name_to_id()
  end

  def id(command) when is_atom(command) do
    command.name() |> name_to_id()
  end

  defp name_to_id(nil), do: nil

  defp name_to_id(name) do
    name
    |> String.downcase()
    |> String.to_atom()
  end
end