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Size: 1.35 KB
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Contents
# encoding: utf-8
module Rubocop
module Cop
module Style
# This cop 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
#
# a do
# b
# end.c
class MethodCalledOnDoEndBlock < Cop
MSG = 'Avoid chaining a method call on a do...end block.'
def on_block(node)
method, _args, _body = *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(method)
end
def on_send(node)
return if ignored_node?(node)
receiver, _method_name, *_args = *node
if receiver && receiver.type == :block && receiver.loc.end.is?('end')
range = Parser::Source::Range.new(receiver.loc.end.source_buffer,
receiver.loc.end.begin_pos,
node.loc.expression.end_pos)
add_offense(nil, range)
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems