1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
# frozen_string_literal: true
module RuboCop
module Cop
class SafeParams < RuboCop::Cop::Base
MSG = 'Use `safe_params` instead of `params` in url_for.'
METHOD_NAME_PATTERN = :url_for
UNSAFE_PARAM = :params
def on_send(node)
return unless method_name(node) == METHOD_NAME_PATTERN
add_offense(node) unless safe_params?(node)
end
private
def safe_params?(node)
node.descendants.each do |param_node|
next unless param_node.descendants.empty?
return false if method_name(param_node) == UNSAFE_PARAM
end
true
end
def method_name(node)
node.children[1]
end
end
end
end
|
