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Ash DataLayer for Neo4j

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ash_neo4j lib verifiers verify_labels_pascal_case.ex
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lib/verifiers/verify_labels_pascal_case.ex 

# SPDX-FileCopyrightText: 2025 ash_neo4j contributors <https://github.com/diffo-dev/ash_neo4j/graphs.contributors>

#

# SPDX-License-Identifier: MIT



defmodule AshNeo4j.Verifiers.VerifyLabelsPascalCase do

  @moduledoc "Verifies that Neo4j labels are PascalCase"

  use Spark.Dsl.Verifier



  alias Spark.Dsl.Verifier

  alias Spark.Error.DslError

  import AshNeo4j.Util



  @impl true

  def verify(dsl) do

    resource = Verifier.get_persisted(dsl, :module)

    labels = Verifier.get_persisted(dsl, :all_labels)



    cond do

      labels == [] ->

        :ok



      true ->

        if !Enum.all?(labels, &is_valid_node_label?(&1)) do

          {:error,

           DslError.exception(

             module: resource,

             message: "neo4j: neo4j labels must be PascalCase"

           )}

        else

          :ok

        end

    end

  end

end