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Size: 1.53 KB
Versions: 15
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Stored size: 1.53 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks uses of the `then` keyword in multi-line `in` statement.
#
# @example
# # bad
# case expression
# in pattern then
# end
#
# # good
# case expression
# in pattern
# end
#
# # good
# case expression
# in pattern then do_something
# end
#
# # good
# case expression
# in pattern then do_something(arg1,
# arg2)
# end
#
class MultilineInPatternThen < Base
include RangeHelp
extend AutoCorrector
extend TargetRubyVersion
minimum_target_ruby_version 2.7
MSG = 'Do not use `then` for multiline `in` statement.'
def on_in_pattern(node)
return if !node.then? || require_then?(node)
range = node.loc.begin
add_offense(range) do |corrector|
corrector.remove(
range_with_surrounding_space(range: range, side: :left, newlines: false)
)
end
end
private
# Requires `then` for write `in` and its body on the same line.
def require_then?(in_pattern_node)
return true if in_pattern_node.pattern.first_line != in_pattern_node.pattern.last_line
return false unless in_pattern_node.body
in_pattern_node.loc.line == in_pattern_node.body.loc.line
end
end
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems