class RuboCop::Cop::Layout::RedundantLineBreak


foo(a) { |x| puts x }
# good
end
puts x
foo(a) do |x|
# bad
@example InspectBlocks: true
end
puts x
foo(a) do |x|
# good
@example InspectBlocks: false (default)
things.select { |thing| thing.cond? }.join(‘-’)
puts ‘string that fits on a single line’
foo(a, b)
# good
.join(‘-’)
.select { |thing| thing.cond? }
things
’a single line’
puts ‘string that fits on ’ <br>
)
b
a,
foo(
# bad
@example any configuration
completely on a single line, are broken up into multiple lines unnecessarily.
Checks whether certain expressions, e.g. method calls, that could fit

def check_assignment(node, _rhs)

def check_assignment(node, _rhs)
  return unless offense?(node)
  register_offense(node)
end

def comment_within?(node)

def comment_within?(node)
  comment_line_numbers = processed_source.comments.map { |comment| comment.loc.line }
  comment_line_numbers.any? do |comment_line_number|
    comment_line_number >= node.first_line && comment_line_number <= node.last_line
  end
end

def configured_to_not_be_inspected?(node)

def configured_to_not_be_inspected?(node)
  return true if other_cop_takes_precedence?(node)
  !cop_config['InspectBlocks'] && (node.block_type? ||
                                   any_descendant?(node, :block, &:multiline?))
end

def convertible_block?(node)

def convertible_block?(node)
  parent = node.parent
  parent&.block_type? && node == parent.send_node &&
    (node.parenthesized? || !node.arguments?)
end

def end_with_percent_blank_string?(processed_source)

def end_with_percent_blank_string?(processed_source)
  processed_source.buffer.source.end_with?("%\n\n")
end

def index_access_call_chained?(node)

def index_access_call_chained?(node)
  return false unless node.send_type? && node.method?(:[])
  node.children.first.send_type? && node.children.first.method?(:[])
end

def max_line_length

def max_line_length
  config.for_cop('Layout/LineLength')['Max']
end

def offense?(node)

def offense?(node)
  return false if !node.multiline? || too_long?(node) || !suitable_as_single_line?(node)
  return require_backslash?(node) if node.and_type? || node.or_type?
  !index_access_call_chained?(node) && !configured_to_not_be_inspected?(node)
end

def on_lvasgn(node)

def on_lvasgn(node)
  super unless end_with_percent_blank_string?(processed_source)
end

def on_send(node)

def on_send(node)
  # Include "the whole expression".
  node = node.parent while node.parent&.send_type? ||
                           convertible_block?(node) ||
                           node.parent.is_a?(RuboCop::AST::BinaryOperatorNode)
  return unless offense?(node) && !part_of_ignored_node?(node)
  register_offense(node)
end

def other_cop_takes_precedence?(node)

def other_cop_takes_precedence?(node)
  single_line_block_chain_enabled? && any_descendant?(node, :block) do |block_node|
    block_node.parent.send_type? && block_node.parent.loc.dot && !block_node.multiline?
  end
end

def register_offense(node)

def register_offense(node)
  add_offense(node) do |corrector|
    corrector.replace(node, to_single_line(node.source).strip)
  end
  ignore_node(node)
end

def require_backslash?(node)

def require_backslash?(node)
  processed_source.lines[node.loc.operator.line - 1].end_with?('\\')
end

def single_line_block_chain_enabled?

def single_line_block_chain_enabled?
  @config.for_cop('Layout/SingleLineBlockChain')['Enabled']
end

def suitable_as_single_line?(node)

def suitable_as_single_line?(node)
  !comment_within?(node) &&
    node.each_descendant(:if, :case, :kwbegin, :def, :defs).none? &&
    node.each_descendant(:dstr, :str).none? { |n| n.heredoc? || n.value.include?("\n") } &&
    node.each_descendant(:begin, :sym).none? { |b| !b.single_line? }
end

def to_single_line(source)

def to_single_line(source)
  source
    .gsub(/" *\\\n\s*'/, %q(" + ')) # Double quote, backslash, and then single quote
    .gsub(/' *\\\n\s*"/, %q(' + ")) # Single quote, backslash, and then double quote
    .gsub(/(["']) *\\\n\s*\1/, '')  # Double or single quote, backslash, then same quote
    .gsub(/\n\s*(?=(&)?\.\w)/, '')  # Extra space within method chaining which includes `&.`
    .gsub(/\s*\\?\n\s*/, ' ')       # Any other line break, with or without backslash
end

def too_long?(node)

def too_long?(node)
  lines = processed_source.lines[(node.first_line - 1)...node.last_line]
  to_single_line(lines.join("\n")).length > max_line_length
end