Sha256: 102d406f86c5cc19c3df1c7027f1807bb673cd4270cc69dea703e2b6b48691f6
Contents?: true
Size: 794 Bytes
Versions: 36
Compression:
Stored size: 794 Bytes
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for duplicated keys in hash literals.
#
# This cop mirrors a warning in Ruby 2.2.
#
# @example
#
# # bad
#
# hash = { food: 'apple', food: 'orange' }
#
# @example
#
# # good
#
# hash = { food: 'apple', other_food: 'orange' }
class DuplicatedKey < Cop
include Duplication
MSG = 'Duplicated key in hash literal.'
def on_hash(node)
keys = node.keys.select(&:recursive_basic_literal?)
return unless duplicates?(keys)
consecutive_duplicates(keys).each do |key|
add_offense(key)
end
end
end
end
end
end
Version data entries
36 entries across 19 versions & 2 rubygems