lib/how_is.rb in how_is-2.0.0 vs lib/how_is.rb in how_is-3.0.0

@@ -19,9 +19,18 @@
   def self.generate_report(format:, **kw_args)
     analysis = self.generate_analysis(**kw_args)
 
     Report.export(analysis, format)
   end
+
+  def self.supported_formats
+    report_constants = HowIs.constants.grep(/.Report/) - [:BaseReport]
+    report_constants.map {|x| x.to_s.split('Report').first.downcase }
+  end
+
+  def self.can_export_to?(file)
+    supported_formats.include?(file.split('.').last)
+  end
 private
 
 
 Contract C::KeywordArgs[repository: String,
                         from_file: C::Optional[C::Or[String, nil]],