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lib/perspective/protocols/atomize_keys.ex
defprotocol Perspective.AtomizeKeys do
def atomize_keys(action)
end
defimpl Perspective.AtomizeKeys, for: Map do
def atomize_keys(%{} = map) do
for {k, v} <- map, into: %{} do
case is_map(v) do
true -> {atomize(k), atomize_keys(v)}
false -> {atomize(k), v}
end
end
end
defp atomize(value) when is_binary(value), do: String.to_atom(value)
defp atomize(value), do: value
end
defimpl Perspective.AtomizeKeys, for: List do
def atomize_keys(list) do
Enum.map(list, &Perspective.AtomizeKeys.atomize_keys/1)
end
end