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
# File lib/dm-paperclip/ext/blank.rb, line 9 def self.blank?(value) 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
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