File: description_pipeline.rb

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# frozen_string_literal: true

module Banzai
  module Pipeline
    class DescriptionPipeline < FullPipeline
      ALLOWLIST = Banzai::Filter::SanitizationFilter::LIMITED.deep_dup.merge(
        elements: Banzai::Filter::SanitizationFilter::LIMITED[:elements] - %w[pre code img ol ul li]
      )

      def self.transform_context(context)
        super(context).merge(
          allowlist: ALLOWLIST,   # SanitizationFilter
          no_header_anchors: true # header elements not allowed
        )
      end
    end
  end
end