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rulestead

0.1.6
1.0.0 0.1.7 0.1.6 0.1.5 0.1.4 0.1.3 0.1.2 0.1.1

Elixir-native feature management for safe rollout, multivariate config, and explainable runtime decisions.

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rulestead lib rulestead plug.ex
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lib/rulestead/plug.ex 

defmodule Rulestead.Plug do

  @moduledoc false

  # Plug-facing seam that assigns a normalized `%Rulestead.Context{}` onto

  # `conn.assigns[:rulestead_context]`.



  alias Rulestead.Phoenix



  @default_assign :rulestead_context



  @spec init(keyword()) :: keyword()

  def init(opts), do: opts



  @spec call(map(), keyword()) :: map()

  def call(conn, opts \\ []) when is_map(conn) and is_list(opts) do

    assign_key = Keyword.get(opts, :context_assign, @default_assign)

    context = Phoenix.context_from_conn(conn, opts)

    assigns = conn |> Map.get(:assigns, %{}) |> Map.put(assign_key, context)



    Map.put(conn, :assigns, assigns)

  end

end