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opal/opal

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lib/opal/parser/patch.rb

Summary

Maintainability
A
0 mins
Test Coverage

Method dedent has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.
Wontfix

    def dedent(string)
      original_encoding = string.encoding
      # Prevent the following error when processing binary encoded source.
      # "\xC0".split # => ArgumentError (invalid byte sequence in UTF-8)
      lines = string.force_encoding(Encoding::BINARY).split("\\\n")
Severity: Minor
Found in lib/opal/parser/patch.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 dedent_string has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
Wontfix

    def dedent_string(node, dedent_level)
      unless dedent_level.nil?
        dedenter = ::Parser::Lexer::Dedenter.new(dedent_level)

        case node.type
Severity: Minor
Found in lib/opal/parser/patch.rb - About 2 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

Avoid deeply nested control flow statements.
Wontfix

              next nil if str_node.children.first.empty?
Severity: Major
Found in lib/opal/parser/patch.rb - About 45 mins to fix

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