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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for methods called on a do...end block. The point of
# this check is that it's easy to miss the call tacked on to the block
# when reading code.
#
# @example
# # bad
# a do
# b
# end.c
#
# # good
# a { b }.c
#
# # good
# foo = a do
# b
# end
# foo.c
class MethodCalledOnDoEndBlock < Base
include RangeHelp
MSG = 'Avoid chaining a method call on a do...end block.'
def on_block(node)
# If the method that is chained on the do...end block is itself a
# method with a block, we allow it. It's pretty safe to assume that
# these calls are not missed by anyone reading code. We also want to
# avoid double reporting of offenses checked by the
# MultilineBlockChain cop.
ignore_node(node.send_node)
end
alias on_numblock on_block
def on_send(node)
return if ignored_node?(node)
receiver = node.receiver
return unless (receiver&.block_type? || receiver&.numblock_type?) &&
receiver.loc.end.is?('end')
range = range_between(receiver.loc.end.begin_pos, node.source_range.end_pos)
add_offense(range)
end
alias on_csend on_send
end
end
end
end
Version data entries
176 entries across 171 versions & 17 rubygems