maps.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2024 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

	def safe_put_in(data, keys, value) when is_map(data) and is_list(keys) do
	Kernel.put_in(data, keys, value)
	rescue
	_ -> data
	end

	def filter_empty_values(data) do
	# TODO: Change to Map.filter in Elixir 1.13+
	data
	\|> Enum.filter(fn
	{_k, nil} -> false
	{_k, ""} -> false
	{_k, []} -> false
	{_k, %{} = v} -> Map.keys(v) != []
	{_k, _v} -> true
	end)
	\|> Map.new()
	end
	end