16 lines
469 B
Elixir
16 lines
469 B
Elixir
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Maps do
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def put_if_present(map, key, value, value_function \\ &{:ok, &1}) when is_map(map) do
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with false <- is_nil(key),
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false <- is_nil(value),
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{:ok, new_value} <- value_function.(value) do
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Map.put(map, key, new_value)
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else
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_ -> map
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end
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end
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end
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