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activerecord/lib/active_record/attribute_methods/serialization.rb

Summary

Maintainability
A
1 hr
Test Coverage

Method build_column_serializer has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
Open

          def build_column_serializer(attr_name, coder, type, yaml = nil)
            # When ::JSON is used, force it to go through the Active Support JSON encoder
            # to ensure special objects (e.g. Active Record models) are dumped correctly
            # using the #as_json hook.
            coder = Coders::JSON if coder == ::JSON
Severity: Minor
Found in activerecord/lib/active_record/attribute_methods/serialization.rb - About 45 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method serialize has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

        def serialize(attr_name, coder: nil, type: Object, yaml: {}, **options)
          coder ||= default_column_serializer
          unless coder
            raise ArgumentError, <<~MSG.squish
              missing keyword: :coder
Severity: Minor
Found in activerecord/lib/active_record/attribute_methods/serialization.rb - About 35 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

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