Sha256: 49af9770b7b4096d1fc964df4668af0bbb5802f0bc22c60324f33ef5faa878e0
Contents?: true
Size: 875 Bytes
Versions: 130
Compression:
Stored size: 875 Bytes
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# Checks for duplicated keys in hash literals.
# This cop considers both primitive types and constants for the hash keys.
#
# 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 DuplicateHashKey < Base
include Duplication
MSG = 'Duplicated key in hash literal.'
def on_hash(node)
keys = node.keys.select { |key| key.recursive_basic_literal? || key.const_type? }
return unless duplicates?(keys)
consecutive_duplicates(keys).each { |key| add_offense(key) }
end
end
end
end
end
Version data entries
130 entries across 130 versions & 13 rubygems