Class: Rubocop::Cop::Style::Blocks
- Defined in:
- lib/rubocop/cop/style/blocks.rb
Overview
Check for uses of braces or do/end around single line or multi-line blocks.
Constant Summary collapse
- MULTI_LINE_MSG =
'Avoid using {...} for multi-line blocks.'
- SINGLE_LINE_MSG =
'Prefer {...} over do...end for single-line blocks.'
Instance Attribute Summary
Attributes inherited from Cop
#autocorrect, #corrections, #debug, #disabled_lines, #offences
Instance Method Summary collapse
Methods inherited from Cop
#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?
Constructor Details
This class inherits a constructor from Rubocop::Cop::Cop
Instance Method Details
#on_block(node) ⇒ Object
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# File 'lib/rubocop/cop/style/blocks.rb', line 25 def on_block(node) return if ignored_node?(node) block_length = Util.block_length(node) block_begin = node.loc.begin.source if block_length > 0 && block_begin == '{' add_offence(:convention, node.loc.begin, MULTI_LINE_MSG) elsif block_length == 0 && block_begin != '{' add_offence(:convention, node.loc.begin, SINGLE_LINE_MSG) end end |
#on_send(node) ⇒ Object
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# File 'lib/rubocop/cop/style/blocks.rb', line 12 def on_send(node) _receiver, method_name, *args = *node if args.any? block = get_block(args.last) if block && !has_parentheses?(node) && !operator?(method_name) # If there are no parentheses around the arguments, then braces # and do-end have different meaning due to how they bind, so we # allow either. ignore_node(block) end end end |