Module: DeepCover::Tools::Blank

Defined in:
lib/deep_cover/tools/blank.rb

Constant Summary collapse

BLANK_RE = 
/\A[[:space:]]*\z/

Instance Method Summary collapse

Instance Method Details

#blank?(obj) ⇒ Boolean

Homemade poor-man’s blank? Based, but modified, on github.com/rails/rails/blob/5-0-stable/activesupport/lib/active_support/core_ext/object/blank.rb

Returns:

  • (Boolean) 


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# File 'lib/deep_cover/tools/blank.rb', line 9

def blank?(obj)
  if obj.is_a?(String)
    obj.empty? || obj =~ BLANK_RE
  else
    obj.respond_to?(:empty?) ? !!obj.empty? : !obj
  end
end

#presence(obj) ⇒ Object 



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# File 'lib/deep_cover/tools/blank.rb', line 21

def presence(obj)
  obj if present?(obj)
end

#present?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deep_cover/tools/blank.rb', line 17

def present?(obj)
  !blank?(obj)
end