Sha256: 66d72bb1f6a215cd7448f905ea6a1cb00de9031a3c11d5183005c022cf079d5a
Contents?: true
Size: 855 Bytes
Versions: 9
Compression:
Stored size: 855 Bytes
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for the presence of `when` branches without a body.
#
# @example
#
# @bad
# case foo
# when bar then 1
# when baz then # nothing
# end
class EmptyWhen < Cop
MSG = 'Avoid `when` branches without a body.'.freeze
def on_case(node)
_cond_node, *when_nodes, _else_node = *node
when_nodes.each do |when_node|
check_when(when_node)
end
end
private
def check_when(when_node)
return unless empty_when_body?(when_node)
add_offense(when_node, when_node.source_range, MSG)
end
def empty_when_body?(when_node)
!when_node.to_a.last
end
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems