Sha256: e96b6903df53d5108edfdec5089ec84700d2afec8a755ddbb20ec80417747660
Contents?: true
Size: 723 Bytes
Versions: 13
Compression:
Stored size: 723 Bytes
Contents
# encoding: utf-8
# 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
# hash = { food: 'apple', food: 'orange' }
class DuplicatedKey < Cop
MSG = 'Duplicated key in hash literal.'.freeze
def on_hash(node)
keys = []
hash_pairs = *node
hash_pairs.each do |pair|
key, _value = *pair
if keys.include?(key) && key.recursive_basic_literal?
add_offense(key, :expression)
end
keys << key
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems