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Versions: 10
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Contents
module DataMapper
module Ext
# Determines whether the specified +value+ is blank.
#
# An object is blank if it's false, empty, or a whitespace string.
# For example, "", " ", +nil+, [], and {} are blank.
#
# @api semipublic
def self.blank?(value)
return value.blank? if value.respond_to?(:blank?)
case value
when ::NilClass, ::FalseClass
true
when ::TrueClass, ::Numeric
false
when ::Array, ::Hash
value.empty?
when ::String
value !~ /\S/
else
value.nil? || (value.respond_to?(:empty?) && value.empty?)
end
end
end
end
Version data entries
10 entries across 10 versions & 4 rubygems