Contents

# frozen_string_literal: true

module RuboCop
  module Cop
    # Common functionality for checking for a line break before the first
    # element in a multi-line collection.
    module FirstElementLineBreak
      private

      def check_method_line_break(node, children)
        return if children.empty?

        return unless method_uses_parens?(node, children.first)

        check_children_line_break(node, children)
      end

      def method_uses_parens?(node, limit)
        source = node.source_range.source_line[0...limit.loc.column]
        source =~ /\s*\(\s*$/
      end

      def check_children_line_break(node, children, start = node)
        return if children.size < 2

        line = start.first_line

        min = first_by_line(children)
        return if line != min.first_line

        max = last_by_line(children)
        return if line == max.last_line

        add_offense(min)
      end

      def first_by_line(nodes)
        nodes.min_by(&:first_line)
      end

      def last_by_line(nodes)
        nodes.max_by(&:last_line)
      end
    end
  end
end

Version data entries

6,844 entries across 6,819 versions & 29 rubygems

Version	Path
rubocop-0.55.0	lib/rubocop/cop/mixin/first_element_line_break.rb
rubocop-0.54.0	lib/rubocop/cop/mixin/first_element_line_break.rb
rubocop-0.53.0	lib/rubocop/cop/mixin/first_element_line_break.rb
rubocop-0.52.1	lib/rubocop/cop/mixin/first_element_line_break.rb