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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# This cop checks for unnecessary leading blank lines at the beginning
# of a file.
#
# @example
#
# # bad
# # (start of file)
#
# class Foo
# end
#
# # bad
# # (start of file)
#
# # a comment
#
# # good
# # (start of file)
# class Foo
# end
#
# # good
# # (start of file)
# # a comment
class LeadingBlankLines < Cop
MSG = 'Unnecessary blank line at the beginning of the source.'.freeze
def investigate(processed_source)
token = processed_source.tokens[0]
return unless token && token.line > 1
add_offense(processed_source.tokens[0],
location: processed_source.tokens[0].pos)
end
def autocorrect(node)
range = Parser::Source::Range.new(processed_source.buffer,
0,
node.begin_pos)
lambda do |corrector|
corrector.remove(range)
end
end
end
end
end
end
Version data entries
6,781 entries across 6,775 versions & 24 rubygems