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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Naming
# This cop checks that your heredocs are using the configured case.
# By default it is configured to enforce uppercase heredocs.
#
# @example EnforcedStyle: uppercase (default)
# # bad
# <<-sql
# SELECT * FROM foo
# sql
#
# # good
# <<-SQL
# SELECT * FROM foo
# SQL
#
# @example EnforcedStyle: lowercase
# # bad
# <<-SQL
# SELECT * FROM foo
# SQL
#
# # good
# <<-sql
# SELECT * FROM foo
# sql
class HeredocDelimiterCase < Cop
include Heredoc
include ConfigurableEnforcedStyle
MSG = 'Use %<style>s heredoc delimiters.'.freeze
def on_heredoc(node)
return if correct_case_delimiters?(node)
add_offense(node, location: :heredoc_end)
end
private
def message(_node)
format(MSG, style: style)
end
def correct_case_delimiters?(node)
delimiter_string(node) == correct_delimiters(node)
end
def correct_delimiters(node)
if style == :uppercase
delimiter_string(node).upcase
else
delimiter_string(node).downcase
end
end
end
end
end
end
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