Module: FastUnderscore::ActiveSupportInflectorOldPatch

Defined in:
lib/fast_underscore.rb

Overview

Override ActiveSupport::Inflector::underscore to use FastUnderscore::underscore for ActiveSupport < 5.2.0.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.pattern ⇒ Object 



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# File 'lib/fast_underscore.rb', line 10

def self.pattern
  return @pattern if defined?(@pattern)

  acronym_regex = ActiveSupport::Inflector.inflections.acronym_regex
  @pattern = /(?:(?<=([A-Za-z\d]))|\b)(#{acronym_regex})(?=\b|[^a-z])/
end

Instance Method Details

#underscore(string) ⇒ Object 



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# File 'lib/fast_underscore.rb', line 17

def underscore(string)
  return string unless /[A-Z-]|::/.match?(string)

  response = string.dup
  response.gsub!(ActiveSupportInflectorOldPatch.pattern) do
    "#{$1 && '_'}#{$2.downcase}"
  end

  FastUnderscore.underscore(response)
end