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Contents
# frozen_string_literal: true module ObjectExtensions refine Object do # An object is blank if it's false, empty, or a whitespace string. # For example, +false+, '', ' ', +nil+, [], and {} are all blank. # # This simplifies # # !address || address.empty? # # to # # address.blank? # # @return [true, false] def blank? respond_to?(:empty?) ? !!empty? : !self end # An object is present if it's not blank. # # @return [true, false] def present? !blank? end end end module StringExtensions refine String do BLANK_RE = /\A[[:space:]]*\z/ # A string is blank if it's empty or contains whitespaces only: # # ''.blank? # => true # ' '.blank? # => true # "\t\n\r".blank? # => true # ' blah '.blank? # => false # # Unicode whitespace is supported: # # "\u00a0".blank? # => true # # @return [true, false] def blank? match BLANK_RE end end end
Version data entries
2 entries across 2 versions & 1 rubygems
Version | Path |
---|---|
finapps_core-2.0.15 | lib/core_extensions/object/blank.rb |
finapps_core-2.0.14 | lib/core_extensions/object/blank.rb |