Method: Hanami::Utils::Blank.blank?

Defined in:
lib/hanami/utils/blank.rb

.blank?(object) ⇒ TrueClass, FalseClass

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Checks if object is blank

Examples:

Basic Usage

require 'hanami/utils/blank'

Hanami::Utils::Blank.blank?(Hanami::Utils::String.new('')) # => true
Hanami::Utils::Blank.blank?('  ')                          # => true
Hanami::Utils::Blank.blank?(nil)                           # => true
Hanami::Utils::Blank.blank?(true)                          # => false
Hanami::Utils::Blank.blank?(1)                             # => false

Parameters:

  • object —

    the argument

Returns:

  • (TrueClass, FalseClass) —

    info, whether object is blank

Since:

  • 0.8.0



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# File 'lib/hanami/utils/blank.rb', line 33

def self.blank?(object)
  case object
  when String, ::String
    STRING_MATCHER === object
  when ::Hash, ::Array
    object.empty?
  when TrueClass, Numeric
    false
  when FalseClass, NilClass
    true
  else
    object.respond_to?(:empty?) ? object.empty? : !object
  end
end