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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for pipes for empty block parameters. Pipes for empty
# block parameters do not cause syntax errors, but they are redundant.
#
# @example
# # bad
# a do ||
# do_something
# end
#
# # bad
# a { || do_something }
#
# # good
# a do
# end
#
# # good
# a { do_something }
class EmptyBlockParameter < Cop
include EmptyParameter
include RangeHelp
MSG = 'Omit pipes for the empty block parameters.'.freeze
def on_block(node)
send_node = node.send_node
check(node) unless send_node.send_type? && send_node.stabby_lambda?
end
def autocorrect(node)
lambda do |corrector|
block = node.parent
range = range_between(
block.loc.begin.end_pos,
node.loc.expression.end_pos
)
corrector.remove(range)
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems