Class: Rubocop::Cop::Style::AlignHash

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/align_hash.rb

Overview

Here we check if the keys, separators, and values of a multi-line hash literal are aligned.

Defined Under Namespace

Classes: AlignmentOfValues, KeyAlignment, SeparatorAlignment, TableAlignment

Constant Summary collapse

MSG =
'Align the elements of a hash literal if they span more than ' +
'one line.'

Constants inherited from Cop

Cop::OPERATOR_METHODS

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect?, #convention, #cop_config, cop_name, #cop_name, cop_type, #debug?, #ignore_node, inherited, #initialize, lint?, #message, non_rails, rails?, style?, #support_autocorrect?, #warning

Constructor Details

This class inherits a constructor from Rubocop::Cop::Cop

Instance Method Details

#on_hash(node) ⇒ Object



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# File 'lib/rubocop/cop/style/align_hash.rb', line 148

def on_hash(node)
  return if node.children.empty?

  @alignment_for_hash_rockets ||=
    new_alignment('EnforcedHashRocketStyle')
  @alignment_for_colons ||= new_alignment('EnforcedColonStyle')

  first_pair = node.children.first

  unless @alignment_for_hash_rockets.checkable_layout(node) &&
      @alignment_for_colons.checkable_layout(node)
    return
  end

  @column_deltas = alignment_for(first_pair)
    .deltas_for_first_pair(first_pair, node)
  convention(first_pair, :expression) unless good_alignment?

  node.children.each_cons(2) do |prev, current|
    @column_deltas = alignment_for(current).deltas(first_pair, prev,
                                                   current)
    convention(current, :expression) unless good_alignment?
  end
end