Sha256: c062116146da2219d9d639c9fbd893ab90f9ee979e554d6fa56a0624abe4a778
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Versions: 37
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for `rescue` blocks targeting the Exception class.
#
# @example
#
# # bad
#
# begin
# do_something
# rescue Exception
# handle_exception
# end
#
# @example
#
# # good
#
# begin
# do_something
# rescue ArgumentError
# handle_exception
# end
class RescueException < Base
MSG = 'Avoid rescuing the `Exception` class. ' \
'Perhaps you meant to rescue `StandardError`?'
def on_resbody(node)
return unless node.children.first
rescue_args = node.children.first.children
return unless rescue_args.any? { |a| targets_exception?(a) }
add_offense(node)
end
def targets_exception?(rescue_arg_node)
rescue_arg_node.const_name == 'Exception'
end
end
end
end
end
Version data entries
37 entries across 37 versions & 3 rubygems