distraction.party/lib/pleroma/maps.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Maps do
def put_if_present(map, key, value, value_function \\ &{:ok, &1}) when is_map(map) do
with false <- is_nil(key),
false <- is_nil(value),
{:ok, new_value} <- value_function.(value) do
Map.put(map, key, new_value)
else
_ -> map
end
end
end