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actionpack/lib/action_dispatch/middleware/exception_wrapper.rb

Summary

Maintainability
C
1 day
Test Coverage

Class ExceptionWrapper has 40 methods (exceeds 20 allowed). Consider refactoring.
Open

  class ExceptionWrapper
    cattr_accessor :rescue_responses, default: Hash.new(:internal_server_error).merge!(
      "ActionController::RoutingError"                     => :not_found,
      "AbstractController::ActionNotFound"                 => :not_found,
      "ActionController::MethodNotAllowed"                 => :method_not_allowed,
Severity: Minor
Found in actionpack/lib/action_dispatch/middleware/exception_wrapper.rb - About 5 hrs to fix

    File exception_wrapper.rb has 280 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    require "active_support/core_ext/module/attribute_accessors"
require "active_support/syntax_error_proxy"
require "active_support/core_ext/thread/backtrace/location"
require "rack/utils"
    Severity: Minor
    Found in actionpack/lib/action_dispatch/middleware/exception_wrapper.rb - About 2 hrs to fix

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

            def build_backtrace
        built_methods = {}

        ActionView::PathRegistry.all_resolvers.each do |resolver|
          resolver.built_templates.each do |template|
      Severity: Minor
      Found in actionpack/lib/action_dispatch/middleware/exception_wrapper.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"

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