Module: RuboCop::Cop::Style::ConditionalCorrectorHelper

Included in:
CaseCorrector, IfCorrector, TernaryCorrector
Defined in:
lib/rubocop/cop/style/conditional_assignment.rb

Overview

Helper module to provide common methods to ConditionalAssignment correctors

Instance Method Summary collapse

Instance Method Details

#assignment(node) ⇒ Object 



471
472
473
474
475
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 471

def assignment(node)
  condition = node.send_type? ? node.last_argument : node.expression

  node.source_range.begin.join(condition.source_range.begin)
end

#correct_branches(corrector, branches) ⇒ Object 



500
501
502
503
504
505
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 500

def correct_branches(corrector, branches)
  branches.each do |branch|
    *_, assignment = *branch
    corrector.replace(branch, assignment.source)
  end
end

#correct_if_branches(corrector, cop, node) ⇒ Object 



477
478
479
480
481
482
483
484
485
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 477

def correct_if_branches(corrector, cop, node)
  if_branch, elsif_branches, else_branch = extract_tail_branches(node)

  corrector.insert_before(node, lhs(if_branch))
  replace_branch_assignment(corrector, if_branch)
  correct_branches(corrector, elsif_branches)
  replace_branch_assignment(corrector, else_branch)
  corrector.insert_before(node.loc.end, indent(cop, lhs(if_branch)))
end

#remove_whitespace_in_branches(corrector, branch, condition, column) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity



441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 441

def remove_whitespace_in_branches(corrector, branch, condition, column)
  branch.each_node do |child|
    next if child.source_range.nil?
    next if child.parent.dstr_type?

    white_space = white_space_range(child, column)
    corrector.remove(white_space) if white_space.source.strip.empty?
  end

  if condition.loc.else && !same_line?(condition.else_branch, condition)
    corrector.remove_preceding(condition.loc.else, condition.loc.else.column - column)
  end

  return unless condition.loc.end && !same_line?(condition.loc.end, condition)

  corrector.remove_preceding(condition.loc.end, condition.loc.end.column - column)
end

#replace_branch_assignment(corrector, branch) ⇒ Object 



487
488
489
490
491
492
493
494
495
496
497
498
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 487

def replace_branch_assignment(corrector, branch)
  _variable, *_operator, assignment = *branch
  source = assignment.source

  replacement = if assignment.array_type? && !assignment.bracketed?
                  "[#{source}]"
                else
                  source
                end

  corrector.replace(branch, replacement)
end

#same_line?(node1, node2) ⇒ Boolean

rubocop:enable Metrics/AbcSize, Metrics/CyclomaticComplexity

Returns:

  • (Boolean) 


460
461
462
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 460

def same_line?(node1, node2)
  RuboCop::Cop::Util.same_line?(node1, node2)
end

#white_space_range(node, column) ⇒ Object 



464
465
466
467
468
469
 
# File 'lib/rubocop/cop/style/conditional_assignment.rb', line 464

def white_space_range(node, column)
  expression = node.source_range
  begin_pos = expression.begin_pos - (expression.column - column - 2)

  Parser::Source::Range.new(expression.source_buffer, begin_pos, expression.begin_pos)
end