34 lines
1013 B
Elixir
34 lines
1013 B
Elixir
defmodule BDS.MapUtils do
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@moduledoc false
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@typedoc "An attribute map that may use atom or string keys."
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@type attrs :: %{optional(atom()) => term(), optional(String.t()) => term()}
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@spec attr(attrs(), atom()) :: term()
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def attr(attrs, key) do
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cond do
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Map.has_key?(attrs, key) -> Map.get(attrs, key)
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Map.has_key?(attrs, Atom.to_string(key)) -> Map.get(attrs, Atom.to_string(key))
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true -> nil
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end
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end
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@spec attr(attrs(), atom(), term()) :: term()
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def attr(attrs, key, default) do
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cond do
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Map.has_key?(attrs, key) -> Map.get(attrs, key)
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Map.has_key?(attrs, Atom.to_string(key)) -> Map.get(attrs, Atom.to_string(key))
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true -> default
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end
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end
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@spec maybe_put(map(), term(), term()) :: map()
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def maybe_put(map, _key, nil), do: map
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def maybe_put(map, key, value), do: Map.put(map, key, value)
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@spec blank_to_nil(term()) :: term()
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def blank_to_nil(nil), do: nil
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def blank_to_nil(""), do: nil
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def blank_to_nil(value), do: value
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end
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