exjoi

defmodule ExJoi.CustomValidator do
  @moduledoc """

  Behaviour for implementing custom ExJoi validators.



  Implementations receive the value being validated, the rule struct, and a

  context map that includes the current data payload and whether conversion is enabled.

  """

  @type context :: %{

          convert: boolean(),

          data: map()

        }

  @callback validate(value :: any(), rule :: ExJoi.Rule.t(), context :: context()) ::

              :ok

              | {:ok, any()}

              | {:error, [ExJoi.Validator.error()]}
end