Sha256: 576c5c2d5ef255149a1bb70e9b136f576b440b61af17c68c83093d89a7217701
Contents?: true
Size: 1.38 KB
Versions: 8
Compression:
Stored size: 1.38 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks uses of the `then` keyword
# in multi-line when statements.
#
# @example
# # bad
# case foo
# when bar then
# end
#
# # good
# case foo
# when bar
# end
#
# # good
# case foo
# when bar then do_something
# end
#
class MultilineWhenThen < Cop
include RangeHelp
MSG = 'Do not use `then` for multiline `when` statement.'
def on_when(node)
# Without `then`, there's no offense
return unless node.then?
# Single line usage of `then` is not an offense
return if !node.children.last.nil? && !node.multiline? && node.then?
# With more than one statements after then, there's not offense
return if accept_node_type?(node.body)
add_offense(node, location: :begin)
end
def autocorrect(node)
lambda do |corrector|
corrector.remove(
range_with_surrounding_space(
range: node.loc.begin, side: :left, newlines: false
)
)
end
end
def accept_node_type?(node)
node&.begin_type? || node&.array_type? || node&.hash_type?
end
end
end
end
end
Version data entries
8 entries across 7 versions & 2 rubygems