Sha256: e816b6bfb29857a3c5422f44eadbadc172fd878ff69a7cb1ee6f967c5a49a08e
Contents?: true
Size: 1.26 KB
Versions: 6
Compression:
Stored size: 1.26 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 node.children.last&.begin_type?
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
end
end
end
end
Version data entries
6 entries across 5 versions & 2 rubygems