class RuboCop::Cop::Layout::IndentFirstArrayElement

]
:completely_different
and_now_for_something = [
# align_brackets
#good
]
:completely_different
and_now_for_something = [
# align_brackets
#bad
# brackets are indented to the same position.
# The ‘align_brackets` style enforces that the opening and closing
@example EnforcedStyle: align_brackets

])
:no_difference
and_in_a_method_call([
]
:value
array = [
:value
array = [
# consistent
#bad
# defined inside a method call.
# seprate lines is indented the same as an array literal which is not
# literal where the opening bracket and the first element are on
# The `consistent` style enforces that the first element in an array
@example EnforcedStyle: consistent

])
:its_like_this
but_in_a_method_call([
]
:value
array = [
:value
array = [
#bad
# than the position inside the opening parenthesis.
# element are on seprate lines is indented one step (two spaces) more
# element in an array literal where the opening bracket and first
# The `special_inside_parentheses` style enforces that the first
@example EnforcedStyle: special_inside_parentheses (default)
styles are ’consistent’ and ‘align_brackets’. Here are examples:
This default style is called ‘special_inside_parentheses’. Alternative
more than the start of the line where the opening square bracket is.
Other array literals shall have their first element indented one step
position inside the opening parenthesis.
their first element indented one step (two spaces) more than the
same line as the opening parenthesis of the method call, shall have
parentheses, and where the opening square bracket of the array is on the
By default, array literals that are arguments in a method call with
The other elements’ indentations are handled by the AlignArray cop.
where the opening bracket and the first element are on separate lines.
This cop checks the indentation of the first element in an array literal

def autocorrect(node) 

def autocorrect(node)
  AlignmentCorrector.correct(processed_source, node, @column_delta)
end

def base_description(left_parenthesis)

Returns the description of what the correct indentation is based on. 
def base_description(left_parenthesis)
  if style == :align_brackets
    'the position of the opening bracket'
  elsif left_parenthesis && style == :special_inside_parentheses
    'the first position after the preceding left parenthesis'
  else
    'the start of the line where the left square bracket is'
  end
end

def brace_alignment_style 

def brace_alignment_style
  :align_brackets
end

def check(array_node, left_parenthesis) 

def check(array_node, left_parenthesis)
  return if ignored_node?(array_node)
  left_bracket = array_node.loc.begin
  first_elem = array_node.values.first
  if first_elem
    return if first_elem.source_range.line == left_bracket.line
    check_first(first_elem, left_bracket, left_parenthesis, 0)
  end
  check_right_bracket(array_node.loc.end, left_bracket,
                      left_parenthesis)
end

def check_right_bracket(right_bracket, left_bracket, left_parenthesis) 

def check_right_bracket(right_bracket, left_bracket, left_parenthesis)
  # if the right bracket is on the same line as the last value, accept
  return if right_bracket.source_line[0...right_bracket.column] =~ /\S/
  expected_column = base_column(left_bracket, left_parenthesis)
  @column_delta = expected_column - right_bracket.column
  return if @column_delta.zero?
  msg = if style == :align_brackets
          'Indent the right bracket the same as the left bracket.'
        elsif style == :special_inside_parentheses && left_parenthesis
          'Indent the right bracket the same as the first position ' \
          'after the preceding left parenthesis.'
        else
          'Indent the right bracket the same as the start of the line' \
          ' where the left bracket is.'
        end
  add_offense(right_bracket, location: right_bracket, message: msg)
end

def message(base_description) 

def message(base_description)
  format(
    MSG,
    configured_indentation_width: configured_indentation_width,
    base_description: base_description
  )
end

def on_array(node) 

def on_array(node)
  check(node, nil) if node.loc.begin
end

def on_send(node) 

def on_send(node)
  each_argument_node(node, :array) do |array_node, left_parenthesis|
    check(array_node, left_parenthesis)
  end
end