neo4jrb/neo4j

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lib/active_graph/node/query/query_proxy_methods.rb

Summary

Maintainability
A
2 hrs
Test Coverage

Method match_to has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
Open

        def match_to(node)
          first_node = node.is_a?(Array) ? node.first : node
          where_arg = if first_node.respond_to?(:neo_id)
                        {neo_id: node.is_a?(Array) ? node.map(&:neo_id) : node}
                      elsif !node.nil?
Severity: Minor
Found in lib/active_graph/node/query/query_proxy_methods.rb - About 1 hr 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 count has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

        def count(distinct = nil, target = nil)
          return 0 if unpersisted_start_object?
          fail(ActiveGraph::InvalidParameterError, ':count accepts the `:distinct` symbol or nil as a parameter') unless distinct.nil? || distinct == :distinct
          query_with_target(target) do |var|
            q = ensure_distinct(var, !distinct.nil?)
Severity: Minor
Found in lib/active_graph/node/query/query_proxy_methods.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

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

        def include?(other, target = nil)
          query_with_target(target) do |var|
            where_filter = if other.respond_to?(:neo_id) || association_id_key == :neo_id
                             "ID(#{var}) = $other_node_id"
                           else
Severity: Minor
Found in lib/active_graph/node/query/query_proxy_methods.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

Missing magic comment # frozen_string_literal: true.
Open

module ActiveGraph

This cop is designed to help upgrade to Ruby 3.0. It will add the comment # frozen_string_literal: true to the top of files to enable frozen string literals. Frozen string literals may be default in Ruby 3.0. The comment will be added below a shebang and encoding comment. The frozen string literal comment is only valid in Ruby 2.3+.

Example: EnforcedStyle: when_needed (default)

# The `when_needed` style will add the frozen string literal comment
# to files only when the `TargetRubyVersion` is set to 2.3+.
# bad
module Foo
  # ...
end

# good
# frozen_string_literal: true

module Foo
  # ...
end

Example: EnforcedStyle: always

# The `always` style will always add the frozen string literal comment
# to a file, regardless of the Ruby version or if `freeze` or `<

Example: EnforcedStyle: never

# The `never` will enforce that the frozen string literal comment does
# not exist in a file.
# bad
# frozen_string_literal: true

module Baz
  # ...
end

# good
module Baz
  # ...
end

Use empty lines between method definitions. (https://github.com/bbatsov/ruby-style-guide#empty-lines-between-methods)
Open

        def first_rel_to(node)

This cop checks whether method definitions are separated by one empty line.

NumberOfEmptyLines can be and integer (e.g. 1 by default) or an array (e.g. [1, 2]) to specificy a minimum and a maximum of empty lines.

AllowAdjacentOneLineDefs can be used to configure is adjacent one line methods definitions are an offense

Example:

# bad
def a
end
def b
end

Example:

# good
def a
end

def b
end

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