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guard/guard

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lib/guard/engine.rb

Summary

Maintainability
B
4 hrs
Test Coverage

Class Engine has 26 methods (exceeds 20 allowed). Consider refactoring.
Open

  class Engine
    extend Forwardable
    include Internals::Helpers

    # @private
Severity: Minor
Found in lib/guard/engine.rb - About 3 hrs to fix

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

        def start
      setup

      _initialize_listener
      _initialize_signal_traps
    Severity: Minor
    Found in lib/guard/engine.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

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

        def pause(expected = nil)
      states = { paused: true, unpaused: false, toggle: !paused? }
      key = expected || :toggle

      raise ArgumentError, "invalid mode: #{expected.inspect}" unless states.key?(key)
    Severity: Minor
    Found in lib/guard/engine.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

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