class RuboCop::Cop::Layout::BlockEndNewline

This cop checks whether the end statement of a do..end block is on its own line.

@example

# bad
blah do |i|
  foo(i) end

# good
blah do |i|
  foo(i)
end

# bad
blah { |i|
  foo(i) }

# good
blah { |i|
  foo(i)
}

Constants

MSG

Public Instance Methods

on_block(node) click to toggle source
# File lib/rubocop/cop/layout/block_end_newline.rb, line 30
def on_block(node)
  return if node.single_line?

  end_loc = node.loc.end

  # If the end is on its own line, there is no offense
  return if end_loc.source_line =~ /^\s*#{end_loc.source}/

  add_offense(node, location: end_loc)
end

Private Instance Methods

autocorrect(node) click to toggle source
# File lib/rubocop/cop/layout/block_end_newline.rb, line 43
def autocorrect(node)
  lambda do |corrector|
    indentation = indentation_of_block_start_line(node)
    corrector.insert_before(node.loc.end, "\n" + (' ' * indentation))
  end
end
indentation_of_block_start_line(node) click to toggle source
# File lib/rubocop/cop/layout/block_end_newline.rb, line 54
def indentation_of_block_start_line(node)
  match = /\S.*/.match(node.loc.begin.source_line)
  match.begin(0)
end
message(node) click to toggle source
# File lib/rubocop/cop/layout/block_end_newline.rb, line 50
def message(node)
  format(MSG, node.loc.end.line, node.loc.end.column + 1)
end