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CKEditor 5 integration for Phoenix Framework

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ckeditor5_phoenix lib components cloud importmap.ex
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lib/components/cloud/importmap.ex 

defmodule CKEditor5.Components.Cloud.Importmap do

  @moduledoc """

  A component for rendering import map script tags of CKEditor 5 in Phoenix.



  ## ⚠️ Warning



  Import maps can only be used if the preset has the Cloud option enabled, which is not available

  under the GPL license key. You must specify your own Cloud or use a commercial license to utilize

  this feature.

  """



  use Phoenix.Component



  import Phoenix.HTML

  import CKEditor5.Components.Cloud.Assigns



  alias CKEditor5.Cloud.AssetPackageBuilder



  @doc """

  Renders the import map script tag.

  """

  attr :nonce, :string, default: nil, doc: "The CSP nonce to use for the script tag."



  cloud_build_attrs()



  def render(assigns) do

    assigns = assign_importmap(assigns)



    ~H"""

    <script type="importmap" nonce={@nonce}><%= raw(@imports) %></script>

    """

  end



  defp assign_importmap(assigns) do

    imports =

      build_cloud!(assigns)

      |> AssetPackageBuilder.build()

      |> Map.get(:js)

      |> Enum.filter(&(&1.type == :esm))

      |> Enum.map(&{&1.name, &1.url})

      |> Enum.into(%{})

      |> then(&%{imports: &1})

      |> Jason.encode!()



    Map.put(assigns, :imports, imports)

  end

end