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defmodule Ejabberd.Config.ValidatorUtility do
@moduledoc """
Module used as a base validator for validation modules.
Imports utility functions for working with validation structures.
"""
alias Ejabberd.Config.EjabberdModule
@doc """
Inserts an error inside the errors collection, for the given key.
If the key doesn't exists then it creates an empty collection
and inserts the value passed.
"""
@spec put_error(map, atom, any) :: map
def put_error(errors, key, val) do
Map.update errors, key, [val], fn coll ->
[val | coll]
end
end
@doc """
Given a list of modules it extracts and returns a list
of the module names (which are Elixir.Module).
"""
@spec extract_module_names(EjabberdModule.t) :: [atom]
def extract_module_names(modules) when is_list(modules) do
modules
|> Enum.map(&Map.get(&1, :module))
end
end
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