Inherit TimelineEventPipeline from PlainMarkdownPipeline

ee/lib/banzai/pipeline/timeline_event_pipeline.rb

@@ -2,34 +2,24 @@
 
 module Banzai
   module Pipeline
-    class TimelineEventPipeline < BasePipeline
+    class TimelineEventPipeline < PlainMarkdownPipeline
       ALLOWLIST = Banzai::Filter::SanitizationFilter::LIMITED.deep_dup.merge(
         elements: %w(p b i strong em pre code a img)
       )
 
       def self.filters
         @filters ||= FilterArray[
-          Filter::MarkdownFilter,
+          *super,
+          *reference_filters,
           Filter::EmojiFilter,
           Filter::ExternalLinkFilter,
           Filter::ImageLinkFilter,
-          Filter::SanitizationFilter,
-          *reference_filters
+          Filter::SanitizationFilter
         ]
       end
 
       def self.reference_filters
-        [
-          Filter::References::UserReferenceFilter,
-          Filter::References::IssueReferenceFilter,
-          Filter::References::ExternalIssueReferenceFilter,
-          Filter::References::MergeRequestReferenceFilter,
-          Filter::References::SnippetReferenceFilter,
-          Filter::References::CommitRangeReferenceFilter,
-          Filter::References::CommitReferenceFilter,
-          Filter::References::AlertReferenceFilter,
-          Filter::References::FeatureFlagReferenceFilter
-        ]
+        Banzai::Pipeline::GfmPipeline.reference_filters
       end
 
       def self.transform_context(context)

ee/spec/lib/banzai/pipeline/timeline_event_pipeline_spec.rb

@@ -8,15 +8,7 @@ RSpec.describe Banzai::Pipeline::TimelineEventPipeline do
   describe '.reference_filters' do
     it 'contains required reference filters' do
       expect(described_class.reference_filters).to contain_exactly(
-        Banzai::Filter::References::UserReferenceFilter,
-        Banzai::Filter::References::IssueReferenceFilter,
-        Banzai::Filter::References::ExternalIssueReferenceFilter,
-        Banzai::Filter::References::MergeRequestReferenceFilter,
-        Banzai::Filter::References::SnippetReferenceFilter,
-        Banzai::Filter::References::CommitRangeReferenceFilter,
-        Banzai::Filter::References::CommitReferenceFilter,
-        Banzai::Filter::References::AlertReferenceFilter,
-        Banzai::Filter::References::FeatureFlagReferenceFilter
+        *Banzai::Pipeline::GfmPipeline.reference_filters
       )
     end
   end
@@ -30,10 +22,10 @@ RSpec.describe Banzai::Pipeline::TimelineEventPipeline do
       it { is_expected.to eq('<p><strong>bold</strong> <em>italic</em> <code>code</code></p>') }
     end
 
-    context 'when markdown contains not allowed HTML tags' do
+    context 'when markdown contains banned HTML tags' do
       let(:markdown) { '<div>div</div><h1>h1</h1>'}
 
-      it 'filters out not allowed tags' do
+      it 'filters out banned tags' do
         is_expected.to eq(' div  h1 ')
       end
     end