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ckeditor5_phoenix

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CKEditor 5 integration for Phoenix Framework

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ckeditor5_phoenix lib components cloud modulepreload.ex
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lib/components/cloud/modulepreload.ex 

defmodule CKEditor5.Components.Cloud.ModulePreload do

  @moduledoc """

  A component for rendering module preload link 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 CKEditor5.Components.Cloud.Assigns



  alias CKEditor5.Cloud.AssetPackageBuilder



  @doc """

  Renders module preload link tags for all modules in the import map.

  """

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



  cloud_build_attrs()



  def render(assigns) do

    assigns = assign_modules_for_preload(assigns)



    ~H"""

    <link

      :for={module_url <- @module_urls}

      rel="modulepreload"

      href={module_url}

      nonce={@nonce}

      crossorigin="anonymous"

    />

    """

  end



  defp assign_modules_for_preload(assigns) do

    module_urls =

      build_cloud!(assigns)

      |> AssetPackageBuilder.build()

      |> Map.get(:js)

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

      |> Enum.map(& &1.url)



    Map.put(assigns, :module_urls, module_urls)

  end

end