Sha256: 994d43afb276fc53ca4f451f3b82f93776fd677d975ea241df52d1d7244e63ea
Contents?: true
Size: 834 Bytes
Versions: 9
Compression:
Stored size: 834 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' }
#
# # 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
9 entries across 9 versions & 1 rubygems