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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for uses of rescue in its modifier form.
#
# @example
# # bad
# some_method rescue handle_error
#
# # good
# begin
# some_method
# rescue
# handle_error
# end
class RescueModifier < Cop
include Alignment
include RescueNode
MSG = 'Avoid using `rescue` in its modifier form.'.freeze
def on_resbody(node)
return unless rescue_modifier?(node)
add_offense(node.parent)
end
def autocorrect(node)
operation, rescue_modifier, = *node
*_, rescue_args = *rescue_modifier
indent = indentation(node)
correction =
"begin\n" \
"#{operation.source.gsub(/^/, indent)}" \
"\n#{offset(node)}rescue\n" \
"#{rescue_args.source.gsub(/^/, indent)}" \
"\n#{offset(node)}end"
lambda do |corrector|
corrector.replace(node.source_range, correction)
end
end
end
end
end
end
Version data entries
6,823 entries across 6,817 versions & 25 rubygems