Pattern

    <.toggle
  class="toggle"
  controlled
  pressed={@pressed}
  on_pressed_change="toggle_patterns_pressed"
>
  lorem
</.toggle>

  

    def mount(_params, _session, socket) do
  {:ok, assign(socket, :pressed, false)}
end

def handle_event("toggle_patterns_pressed", %{"pressed" => pressed}, socket) do
  {:noreply, assign(socket, :pressed, pressed == true or pressed == "true")}
end