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Contents
# frozen_string_literal: true
require 'rubocop'
module RuboCop
module Cop
module Standard
class RailsControllerRenderPathsExist < Cop
def_node_matcher :render?, <<-PATTERN
(send nil? :render $...)
PATTERN
def_node_matcher :render_str?, <<-PATTERN
(send nil? :render $({str sym} $_) ...)
PATTERN
def_node_matcher :render_options?, <<-PATTERN
(send nil? :render (hash $...))
PATTERN
def_node_matcher :render_key?, <<-PATTERN
(pair (sym ${:action :partial :template}) $({str sym} $_))
PATTERN
def on_send(node)
return unless cop_config['ViewPath']
if (args = render_str?(node))
node, path = args
add_offense(node, location: :expression, message: 'Template could not be found') unless resolve_template(path.to_s)
elsif (pairs = render_options?(node))
if (pair = pairs.detect { |p| render_key?(p) })
key, node, path = render_key?(pair)
case key
when :action, :template
add_offense(node, location: :expression, message: 'Template could not be found') unless resolve_template(path.to_s)
when :partial
add_offense(node, location: :expression, message: 'Partial template could not be found') unless resolve_partial(path.to_s)
end
end
end
end
def resolve_template(path)
cop_config['ViewPath'].each do |view_path|
if (m = Dir[File.join(config.path_relative_to_config(view_path), path) + '*'].first)
return m
end
end
nil
end
def resolve_partial(path)
parts = path.split(File::SEPARATOR)
parts << "_#{parts.pop}"
path = parts.join(File::SEPARATOR)
resolve_template(path)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems