fix(champ_label_component): add missing helpers

app/components/editable_champ/champ_label_content_component.rb

@@ -2,4 +2,18 @@ class EditableChamp::ChampLabelContentComponent < ApplicationComponent
   def initialize(champ:, seen_at: nil)
     @champ, @seen_at = champ, seen_at
   end
+
+  def highlight_if_unseen_class
+    if highlight?
+      'highlighted'
+    end
+  end
+
+  def highlight?
+    @champ.updated_at.present? && @seen_at&.<(@champ.updated_at)
+  end
+
+  def try_format_datetime(datetime)
+    datetime.present? ? I18n.l(datetime) : ''
+  end
 end

app/components/editable_champ/champ_label_content_component/champ_label_content_component.html.haml

@@ -3,7 +3,7 @@
   %span.mandatory *
 
 - if @champ.updated_at.present? && @seen_at.present?
-  %span.updated-at{ class: highlight_if_unseen_class(@seen_at, @champ.updated_at) }
+  %span.updated-at{ class: highlight_if_unseen_class }
     = "modifié le #{try_format_datetime(@champ.updated_at)}"
 
 - if @champ.rebased_at.present? && @champ.rebased_at > (@seen_at || @champ.updated_at) && controller.current_user.owns_or_invite?(@champ.dossier)