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messenger_bot lib messenger_bot web controllers base.ex
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lib/messenger_bot/web/controllers/base.ex

defmodule MessengerBot.Web.Controller.Base do
@moduledoc false
alias Plug.Conn
@doc """
Fetch query params
"""
@spec query_params(Conn.t()) :: Map.t()
def query_params(conn) do
conn
|> Conn.fetch_query_params()
|> Map.get(:query_params, %{})
end
end