autocomplete_item_search_live_2.ex

def handle_event("suggest", %{"search" => search}, socket) do
  suggestions = Items.list_items() |> suggest(search)

  {:noreply, assign(socket, suggestions: suggestions)}
end

defp suggest(items, search) do
  Enum.filter(items, fn i ->
    i.name
    |> String.downcase()
    |> String.contains?(String.downcase(search))
  end)
end