Sha256: 2c08bcfb14ae5f1dff6cdd26ba1cf339264e3847acbdd3121a441540ff8c2404
Contents?: true
Size: 1.51 KB
Versions: 15
Compression:
Stored size: 1.51 KB
Contents
class Object # An object is blank if it's false, empty, or a whitespace string. # For example, '', ' ', +nil+, [], and {} are all blank. # # This simplifies: # # if address.nil? || address.empty? # # ...to: # # if address.blank? def blank? respond_to?(:empty?) ? empty? : !self end # An object is present if it's not <tt>blank?</tt>. def present? !blank? end end class NilClass # +nil+ is blank: # # nil.blank? # => true def blank? true end end class FalseClass # +false+ is blank: # # false.blank? # => true def blank? true end end class TrueClass # +true+ is not blank: # # true.blank? # => false def blank? false end end class Array # An array is blank if it's empty: # # [].blank? # => true # [1,2,3].blank? # => false alias_method :blank?, :empty? end class Hash # A hash is blank if it's empty: # # {}.blank? # => true # { key: 'value' }.blank? # => false alias_method :blank?, :empty? end class String # A string is blank if it's empty or contains whitespaces only: # # ''.blank? # => true # ' '.blank? # => true # ' '.blank? # => true # ' something here '.blank? # => false def blank? # self !~ /[^[:space:]]/ # TODO: Opal fails with the previous regex strip == '' end end class Numeric #:nodoc: # No number is blank: # # 1.blank? # => false # 0.blank? # => false def blank? false end end
Version data entries
15 entries across 15 versions & 1 rubygems