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# File 'lib/serialist/serialist_module.rb', line 113
def serialist_changes
full_changes = self.old_changes
unless (slug = full_changes.delete(self.class.serialist_field.to_s)).blank?
((slug[0].try(:keys) || []) + (slug[1].try(:keys) || [])).uniq.each do |serialized_key|
attr_change = [(slug[0].try(:fetch, serialized_key) rescue nil), (slug[1].try(:fetch, serialized_key) rescue nil)]
full_changes[serialized_key.to_s] = attr_change if attr_change[0] != attr_change[1]
end
end
full_changes
end
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