Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/active_blog/ext/string.rb

Instance Method Summary collapse

Instance Method Details

#to_slug ⇒ Object

Generate a slug for the string value.

A slug should consist of numbers (0-9), lowercase letters (a-z) and dashes (-). Any other characters should be filtered.

Example

"The World is Beautiful!".to_slug # => "the-world-is-beautiful"

Returns

String

A ‘sluggified’ version of this string

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# File 'lib/active_blog/ext/string.rb', line 16

def to_slug
  # Perform transliteration to replace non-ascii characters with an ascii
  # character
  value = self.mb_chars.normalize(:kd).gsub(/[^\x00-\x7F]/n, '').to_s

  # Remove single quotes from input
  value.gsub!(/[']+/, '')

  # Replace any non-word character (\W) with a space
  value.gsub!(/\W+/, ' ')

  # Remove any whitespace before and after the string
  value.strip!

  # All characters should be downcased
  value.downcase!

  # Replace spaces with dashes
  value.gsub!(' ', '-')

  # Return the resulting slug
  value
end