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Localization (parsing, formatting) of numbers, dates/time/calendar, units of measure, messages and lists. Includes localized collation.
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lib/localize/validity/language.ex
defmodule Localize.Validity.Language do
@moduledoc false
use Localize.Validity, :languages
@behaviour Localize.Validity
def validate(nil) do
{:ok, nil, nil}
end
def validate(code) do
code
|> to_string()
|> String.downcase()
|> valid()
|> case do
{:error, _} -> {:error, code}
other -> other
end
end
def normalize(code) when is_binary(code) do
String.downcase(code)
end
def normalize(nil) do
nil
end
end