Method: Hanami::Utils::String.underscore

Defined in:

lib/hanami/utils/string.rb

.underscore(input) ⇒ ::String

Returns a downcased and underscore separated version of the string

Revised version of ActiveSupport::Inflector.underscore implementation

Examples:

require 'hanami/utils/string'

Hanami::Utils::String.underscore('HanamiUtils') # => 'hanami_utils'

Parameters:

• input (::String) —

  the input

Returns:

• (::String) —

  the transformed string

See Also:

• https://github.com/rails/rails/blob/feaa6e2048fe86bcf07e967d6e47b865e42e055b/activesupport/lib/active_support/inflector/methods.rb#L90

Since:

• 1.1.0

# File 'lib/hanami/utils/string.rb', line 228

def self.underscore(input)
  string = ::String.new(input.to_s)
  string.gsub!(NAMESPACE_SEPARATOR, UNDERSCORE_SEPARATOR)
  string.gsub!(NAMESPACE_SEPARATOR, UNDERSCORE_SEPARATOR)
  string.gsub!(/([A-Z\d]+)([A-Z][a-z])/, UNDERSCORE_DIVISION_TARGET)
  string.gsub!(/([a-z\d])([A-Z])/, UNDERSCORE_DIVISION_TARGET)
  string.gsub!(/[[:space:]]|-|\./, UNDERSCORE_DIVISION_TARGET)
  string.downcase
end