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plug_graphql

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A Plug integration for GraphQL Elixir

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plug_graphql lib plug parsers graphql.ex
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lib/plug/parsers/graphql.ex 

defmodule Plug.Parsers.GRAPHQL do

  @moduledoc """

  Parses a GraphQL request body.



  An empty request body is parsed as an empty map.

  """



  @behaviour Plug.Parsers

  import Plug.Conn



  def parse(conn, "application", "graphql", _headers, opts) do

    conn

    |> read_body(opts)

    |> decode

  end



  def parse(conn, _type, _subtype, _headers, _opts) do

    {:next, conn}

  end



  defp decode({:more, _, conn}),  do: {:error, :too_large, conn}

  defp decode({:ok, "", conn}),   do: {:ok, %{}, conn}

  defp decode({:ok, body, conn}), do: {:ok, %{"query" => body}, conn}

end