module RuboCop::Cop::FirstElementLineBreak
Common functionality for checking for a line break before the first element in a multi-line collection.
Private Instance Methods
check_children_line_break(node, children, start = node, ignore_last: false)
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# File lib/rubocop/cop/mixin/first_element_line_break.rb, line 23 def check_children_line_break(node, children, start = node, ignore_last: false) return if children.empty? line = start.first_line min = first_by_line(children) return if line != min.first_line max_line = last_line(children, ignore_last: ignore_last) return if line == max_line add_offense(min) { |corrector| EmptyLineCorrector.insert_before(corrector, min) } end
check_method_line_break(node, children, ignore_last: false)
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# File lib/rubocop/cop/mixin/first_element_line_break.rb, line 10 def check_method_line_break(node, children, ignore_last: false) return if children.empty? return unless method_uses_parens?(node, children.first) check_children_line_break(node, children, ignore_last: ignore_last) end
first_by_line(nodes)
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# File lib/rubocop/cop/mixin/first_element_line_break.rb, line 37 def first_by_line(nodes) nodes.min_by(&:first_line) end
last_line(nodes, ignore_last:)
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# File lib/rubocop/cop/mixin/first_element_line_break.rb, line 41 def last_line(nodes, ignore_last:) if ignore_last nodes.map(&:first_line) else nodes.map(&:last_line) end.max end
method_uses_parens?(node, limit)
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# File lib/rubocop/cop/mixin/first_element_line_break.rb, line 18 def method_uses_parens?(node, limit) source = node.source_range.source_line[0...limit.loc.column] /\s*\(\s*$/.match?(source) end