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Versions: 6763
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Contents
# frozen_string_literal: true
# Extensions to the core String class
class String
unless method_defined? :blank?
# Checks whether a string is blank. A string is considered blank if it
# is either empty or contains only whitespace characters.
#
# @return [Boolean] true is the string is blank, false otherwise
#
# @example
# ''.blank? #=> true
#
# @example
# ' '.blank? #=> true
#
# @example
# ' test'.blank? #=> false
def blank?
empty? || strip.empty?
end
end
unless method_defined? :strip_indent
# The method strips the whitespace preceding the base indentation.
# Useful for HEREDOCs and other multi-line strings.
#
# @example
#
# code = <<-END.strip_indent
# def test
# some_method
# other_method
# end
# END
#
# #=> "def\n some_method\n \nother_method\nend"
#
# @todo Replace call sites with squiggly heredocs when required Ruby
# version is >= 2.3.0
def strip_indent
leading_space = scan(/^[ \t]*(?=\S)/).min
indent = leading_space ? leading_space.size : 0
gsub(/^[ \t]{#{indent}}/, '')
end
end
end
Version data entries
6,763 entries across 6,759 versions & 23 rubygems