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app/helpers/bootstrap_flash_helper.rb

Summary

Maintainability
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Complex method BootstrapFlashHelper#bootstrap_flash (28.3)
Open

  def bootstrap_flash(options = { :close_button => true })
    flash_messages = []
    flash.each do |type, message|
      # Skip empty messages, e.g. for devise messages set to nothing in a locale file.
      next if message.blank?
Severity: Minor
Found in app/helpers/bootstrap_flash_helper.rb by flog

Flog calculates the ABC score for methods. The ABC score is based on assignments, branches (method calls), and conditions.

You can read more about ABC metrics or the flog tool

BootstrapFlashHelper#bootstrap_flash contains iterators nested 2 deep
Open

      Array(message).each do |msg|
Severity: Minor
Found in app/helpers/bootstrap_flash_helper.rb by reek

A Nested Iterator occurs when a block contains another block.

Example

Given

class Duck
  class << self
    def duck_names
      %i!tick trick track!.each do |surname|
        %i!duck!.each do |last_name|
          puts "full name is #{surname} #{last_name}"
        end
      end
    end
  end
end

Reek would report the following warning:

test.rb -- 1 warning:
  [5]:Duck#duck_names contains iterators nested 2 deep (NestedIterators)

BootstrapFlashHelper#bootstrap_flash has approx 13 statements
Open

  def bootstrap_flash(options = { :close_button => true })
Severity: Minor
Found in app/helpers/bootstrap_flash_helper.rb by reek

A method with Too Many Statements is any method that has a large number of lines.

Too Many Statements warns about any method that has more than 5 statements. Reek's smell detector for Too Many Statements counts +1 for every simple statement in a method and +1 for every statement within a control structure (if, else, case, when, for, while, until, begin, rescue) but it doesn't count the control structure itself.

So the following method would score +6 in Reek's statement-counting algorithm:

def parse(arg, argv, &error)
  if !(val = arg) and (argv.empty? or /\A-/ =~ (val = argv[0]))
    return nil, block, nil                                         # +1
  end
  opt = (val = parse_arg(val, &error))[1]                          # +2
  val = conv_arg(*val)                                             # +3
  if opt and !arg
    argv.shift                                                     # +4
  else
    val[0] = nil                                                   # +5
  end
  val                                                              # +6
end

(You might argue that the two assigments within the first @if@ should count as statements, and that perhaps the nested assignment should count as +2.)

BootstrapFlashHelper has no descriptive comment
Open

module BootstrapFlashHelper
Severity: Minor
Found in app/helpers/bootstrap_flash_helper.rb by reek

Classes and modules are the units of reuse and release. It is therefore considered good practice to annotate every class and module with a brief comment outlining its responsibilities.

Example

Given

class Dummy
  # Do things...
end

Reek would emit the following warning:

test.rb -- 1 warning:
  [1]:Dummy has no descriptive comment (IrresponsibleModule)

Fixing this is simple - just an explaining comment:

# The Dummy class is responsible for ...
class Dummy
  # Do things...
end

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