Macro schema objects for absinthe. see https://github.com/absinthe-graphql/absinthe/issues/232

macro.ex

defmodule Absinthe.Schema.Notation.Macro do

  defmacro macro_field(name, a, b) do
    macro(:field, [name, a, b])
  end

  defmacro macro_object(name, a) do
    macro(:object, [name, a])
  end

  defmacro macro_input_object(name, a) do
    macro(:input_object, [name, a])
  end

  defp macro(type, args = [name | _]) do
    quoted = quote do
      Absinthe.Schema.Notation.unquote({type, [], nil})(unquote_splicing(args))
    end
    quote do
      defmacro unquote({name, [], nil}) do
        unquote(quoted |> Macro.escape)
      end
    end
  end

end