class Rubocop::Cop::Style::SymbolArray
This cop checks for array literals made up of symbols that are not using the %i() syntax.
This check makes sense only on Ruby 2.0+.
Constants
- MSG
Public Instance Methods
on_array(node)
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# File lib/rubocop/cop/style/symbol_array.rb, line 13 def on_array(node) # %i and %I were introduced in Ruby 2.0 unless RUBY_VERSION < '2.0.0' return unless node.loc.begin && node.loc.begin.is?('[') array_elems = node.children # no need to check empty arrays return unless array_elems && array_elems.size > 1 symbol_array = array_elems.all? { |e| e.type == :sym } add_offence(:convention, node.loc.expression, MSG) if symbol_array end end