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absinthe_federation

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Apollo Federation support for Absinthe

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absinthe_federation lib absinthe federation schema.ex
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lib/absinthe/federation/schema.ex 

defmodule Absinthe.Federation.Schema do

  @moduledoc """

  Module for injecting custom `Absinthe.Phase`s for adding federated types and directives.



  ## Example



      defmodule MyApp.MySchema do

        use Absinthe.Schema

      + use Absinthe.Federation.Schema



        query do

          ...

        end

      end

  """



  alias Absinthe.Phase.Schema.TypeImports

  alias Absinthe.Pipeline



  defmacro __using__(opts) do

    do_using(opts)

  end



  defp do_using(_opts) do

    quote do

      @pipeline_modifier unquote(__MODULE__)

      @prototype_schema Absinthe.Federation.Schema.Prototype



      use Absinthe.Federation.Notation

      import_types Absinthe.Federation.Types

    end

  end



  @doc """

  Injects custom compile-time `Absinthe.Phase`

  """

  def pipeline(pipeline) do

    pipeline

    |> Pipeline.insert_after(TypeImports, __MODULE__.Phase.AddFederatedDirectives)

    |> Pipeline.insert_after(TypeImports, __MODULE__.Phase.AddFederatedTypes)

  end

end