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opal/opal

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lib/opal/fragment.rb

Summary

Maintainability
B
6 hrs
Test Coverage

Method source_map_name_for has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.
Open

    def source_map_name_for(sexp)
      case sexp.type
      when :top
        case sexp.meta[:kind]
        when :require
Severity: Minor
Found in lib/opal/fragment.rb - About 3 hrs 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 source_map_name_for has 54 lines of code (exceeds 30 allowed). Consider refactoring.
Open

    def source_map_name_for(sexp)
      case sexp.type
      when :top
        case sexp.meta[:kind]
        when :require
Severity: Major
Found in lib/opal/fragment.rb - About 1 hr to fix

    Method location has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
    Open

        def location
      case
      when !@sexp
        nil
      when @sexp.type == :send
    Severity: Minor
    Found in lib/opal/fragment.rb - About 55 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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