Module: ArrayExtensions

Defined in:
lib/multi_rails/core_extensions.rb

Instance Method Summary collapse

Instance Method Details

#to_sentence(options = {}) ⇒ Object

Converts the array to comma-seperated sentence where the last element is joined by the connector word. Options:

  • :connector: The word used to join the last element in arrays with two or more elements (default: “and”)

  • :skip_last_comma: Set to true to return “a, b and c” instead of “a, b, and c”.



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# File 'lib/multi_rails/core_extensions.rb', line 26

def to_sentence(options = {})
  options.reverse_merge! :connector => 'and', :skip_last_comma => false
  
  case length
  	when 0
  		""
    when 1
      self[0]
    when 2
      "#{self[0]} #{options[:connector]} #{self[1]}"
    else
      "#{self[0...-1].join(', ')}#{options[:skip_last_comma] ? '' : ','} #{options[:connector]} #{self[-1]}"
  end
end