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Size: 988 Bytes
Versions: 30
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Stored size: 988 Bytes
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# @example
# # bad - will define `!`-ended method that won't raise
# state_machine :state do
# event :started! do
# ...
# end
# end
#
# # good
# state_machine :state do
# event :started do
# ...
# end
# end
class NoBangStateMachineEvents < Cop
MSG = 'Event names ending with a `!` define `!`-ended methods that do not raise'
def_node_matcher :is_state_machine_event?, '(send nil? :event (sym $_))'
def_node_matcher :is_state_machine?, '(block (send nil? :state_machine ...) ...)'
def on_send(node)
return unless (event_name = is_state_machine_event?(node))
return unless is_state_machine?(node.parent.parent)
return unless event_name.match?(/\w+!$/)
add_offense(node)
end
end
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems