Code snippet in Stream Paginated GraphQL API in Elixir medium blog post

stream_paginator.ex

defmodule MyApp.StreamPaginator do
  def stream(query, args \\ %{first: 100}) do
    # ...
    next = &next/1
    
    # ...
  end
  
  # ...

  defp next({nil, _query, _args} = acc), do: {:halt, acc}
  defp next({%{"hasNextPage" => false}, _query, _args} = acc), do: {:halt, acc}

  defp next({%{"endCursor" => cursor}, query, args}) do
    query
    |> request(%{first: args[:first], after: cursor})
    |> next()
  end

  defp next({nodes, page, query, args}) do
    {nodes, {page, query, args}}
  end
end