class RuboCop::Cop::Layout::ConditionPosition

Checks for conditions that are not on the same line as if/while/until.

@example

# bad
if
  some_condition
  do_something
end

# good
if some_condition
  do_something
end

Constants

MSG

Public Instance Methods

on_if(node) click to toggle source
# File lib/rubocop/cop/layout/condition_position.rb, line 27
def on_if(node)
  return if node.ternary?

  check(node)
end
on_until(node)
Alias for: on_while
on_while(node) click to toggle source
# File lib/rubocop/cop/layout/condition_position.rb, line 33
def on_while(node)
  check(node)
end
Also aliased as: on_until

Private Instance Methods

check(node) click to toggle source
# File lib/rubocop/cop/layout/condition_position.rb, line 40
def check(node)
  return if node.modifier_form? || node.single_line_condition?

  condition = node.condition
  message = message(condition)

  add_offense(condition, message: message) do |corrector|
    range = range_by_whole_lines(condition.source_range, include_final_newline: true)

    corrector.insert_after(condition.parent.loc.keyword, " #{condition.source}")
    corrector.remove(range)
  end
end
message(condition) click to toggle source
# File lib/rubocop/cop/layout/condition_position.rb, line 54
def message(condition)
  format(MSG, keyword: condition.parent.keyword)
end