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primer_live

0.1.16
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An implementation of GitHub's Primer Design System for Phoenix LiveView.

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primer_live lib theme theme_event.ex
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lib/theme/theme_event.ex 

defmodule PrimerLive.ThemeEvent do

  @moduledoc """

  Handles update events from a theme menu.

  """



  defmacro __using__(_) do

    quote do

      alias PrimerLive.Theme



      @update_theme_event_key Theme.update_theme_event_key()



      @doc ~S"""

      Update theme data from the event detail, add it to the socket assigns, and send it as a new event to be picked up by JavaScript.

      """

      def handle_event(

            @update_theme_event_key,

            detail,

            socket

          ) do

        %{theme_state: theme_state, default_theme_state: default_theme_state} = socket.assigns



        new_theme_state = Theme.update(theme_state, detail, default_theme_state)



        socket =

          socket

          |> assign(:theme_state, new_theme_state)

          # Send to JavaScript:

          |> push_event(

            Theme.session_key(),

            new_theme_state

          )



        {:noreply, socket}

      end

    end

  end

end