Sha256: 197886380449ef0fb755a3e28c73bca7987491349a0f74f224f020e849de446e
Contents?: true
Size: 802 Bytes
Versions: 15
Compression:
Stored size: 802 Bytes
Contents
class Object
# An object is blank if it's false, empty, or a whitespace string.
# For example, "", " ", +nil+, [], and {} are 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 blank.
def present?
!blank?
end
end
class NilClass #:nodoc:
def blank?
true
end
end
class FalseClass #:nodoc:
def blank?
true
end
end
class TrueClass #:nodoc:
def blank?
false
end
end
class Array #:nodoc:
alias_method :blank?, :empty?
end
class Hash #:nodoc:
alias_method :blank?, :empty?
end
class String #:nodoc:
def blank?
self !~ /\S/
end
end
class Numeric #:nodoc:
def blank?
false
end
end
Version data entries
15 entries across 15 versions & 7 rubygems