class RuboCop::Cop::Style::UnlessElse
Looks for `unless` expressions with `else` clauses.
@example
# bad unless foo_bar.nil? # do something... else # do a different thing... end # good if foo_bar.present? # do something... else # do a different thing... end
Constants
- MSG
Public Instance Methods
on_if(node)
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# File lib/rubocop/cop/style/unless_else.rb, line 28 def on_if(node) return unless node.unless? && node.else? add_offense(node) do |corrector| body_range = range_between_condition_and_else(node, node.condition) else_range = range_between_else_and_end(node) next if part_of_ignored_node?(node) corrector.replace(node.loc.keyword, 'if') corrector.replace(body_range, else_range.source) corrector.replace(else_range, body_range.source) end ignore_node(node) end
range_between_condition_and_else(node, condition)
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# File lib/rubocop/cop/style/unless_else.rb, line 45 def range_between_condition_and_else(node, condition) range_between(condition.source_range.end_pos, node.loc.else.begin_pos) end
range_between_else_and_end(node)
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# File lib/rubocop/cop/style/unless_else.rb, line 49 def range_between_else_and_end(node) range_between(node.loc.else.end_pos, node.loc.end.begin_pos) end