Merge common render linting patterns

Author: jhawthorn

lib/rubocop/cop/github/rails_controller_render_literal.rb

@@ -1,36 +1,15 @@
 # frozen_string_literal: true
 
 require "rubocop"
+require "rubocop/cop/github/render_literal_helpers"
 
 module RuboCop
   module Cop
     module GitHub
       class RailsControllerRenderLiteral < Cop
-        MSG = "render must be used with a string literal or an instance of a Class"
-
-        def_node_matcher :literal?, <<-PATTERN
-          ({str sym true false nil?} ...)
-        PATTERN
-
-        def_node_matcher :render?, <<-PATTERN
-          (send nil? {:render :render_to_string} ...)
-        PATTERN
+        include RenderLiteralHelpers
 
-        def_node_matcher :render_literal?, <<-PATTERN
-          (send nil? {:render :render_to_string} ({str sym} $_) $...)
-        PATTERN
-
-        def_node_matcher :render_const?, <<-PATTERN
-          (send nil? {:render :render_to_string} (const _ _) ...)
-        PATTERN
-
-        def_node_matcher :render_inst?, <<-PATTERN
-          (send nil? {:render :render_to_string} (send _ :new ...) ...)
-        PATTERN
-
-        def_node_matcher :render_with_options?, <<-PATTERN
-          (send nil? {:render :render_to_string} (hash $...))
-        PATTERN
+        MSG = "render must be used with a string literal or an instance of a Class"
 
         def_node_matcher :ignore_key?, <<-PATTERN
           (pair (sym {
@@ -68,10 +47,14 @@ class RailsControllerRenderLiteral < Cop
           }) ...)
         PATTERN
 
+        def_node_matcher :render_const?, <<-PATTERN
+          (send nil? {:render :render_to_string} (const _ _) ...)
+        PATTERN
+
         def on_send(node)
           return unless render?(node)
 
-          if render_literal?(node) || render_inst?(node) || render_const?(node)
+          if render_literal?(node) || render_view_component?(node) || render_const?(node)
           elsif option_pairs = render_with_options?(node)
             option_pairs = option_pairs.reject { |pair| options_key?(pair) }
 

lib/rubocop/cop/github/rails_view_render_literal.rb

@@ -1,36 +1,15 @@
 # frozen_string_literal: true
 
 require "rubocop"
+require "rubocop/cop/github/render_literal_helpers"
 
 module RuboCop
   module Cop
     module GitHub
       class RailsViewRenderLiteral < Cop
-        MSG = "render must be used with a literal template and use literals for locals keys"
-
-        def_node_matcher :literal?, <<-PATTERN
-          ({str sym true false nil?} ...)
-        PATTERN
-
-        def_node_matcher :render?, <<-PATTERN
-          (send nil? {:render :render_to_string} $...)
-        PATTERN
-
-        def_node_matcher :render_literal?, <<-PATTERN
-          (send nil? {:render :render_to_string} ({str sym} $_) $...)
-        PATTERN
+        include RenderLiteralHelpers
 
-        def_node_matcher :render_view_component?, <<-PATTERN
-          (send nil? {:render :render_to_string} (send _ :new ...) ...)
-        PATTERN
-
-        def_node_matcher :render_view_component_collection?, <<-PATTERN
-          (send nil? {:render :render_to_string} (send _ :with_collection ...) ...)
-        PATTERN
-
-        def_node_matcher :render_with_options?, <<-PATTERN
-          (send nil? {:render :render_to_string} (hash $...) ...)
-        PATTERN
+        MSG = "render must be used with a literal template and use literals for locals keys"
 
         def_node_matcher :ignore_key?, <<-PATTERN
           (pair (sym {
@@ -61,7 +40,7 @@ def on_send(node)
           return unless render?(node)
 
           # Ignore "component"-style renders
-          return if render_view_component?(node) || render_view_component_collection?(node)
+          return if render_view_component?(node)
 
           if render_literal?(node)
           elsif option_pairs = render_with_options?(node)

lib/rubocop/cop/github/render_literal_helpers.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+#
+require "rubocop"
+
+module RuboCop
+  module Cop
+    module GitHub
+      module RenderLiteralHelpers
+        extend NodePattern::Macros
+
+        def_node_matcher :literal?, <<-PATTERN
+          ({str sym true false nil?} ...)
+        PATTERN
+
+        def_node_matcher :render?, <<-PATTERN
+          (send nil? {:render :render_to_string} ...)
+        PATTERN
+
+        def_node_matcher :render_literal?, <<-PATTERN
+          (send nil? {:render :render_to_string} ({str sym} $_) $...)
+        PATTERN
+
+        def_node_matcher :render_inst?, <<-PATTERN
+          (send nil? {:render :render_to_string} (send _ :new ...) ...)
+        PATTERN
+
+        def_node_matcher :render_with_options?, <<-PATTERN
+          (send nil? {:render :render_to_string} (hash $...) ...)
+        PATTERN
+
+        def_node_matcher :render_view_component_instance?, <<-PATTERN
+          (send nil? {:render :render_to_string} (send _ :new ...) ...)
+        PATTERN
+
+        def_node_matcher :render_view_component_collection?, <<-PATTERN
+          (send nil? {:render :render_to_string} (send _ :with_collection ...) ...)
+        PATTERN
+
+        def render_view_component?(node)
+          render_view_component_instance?(node) ||
+            render_view_component_collection?(node)
+        end
+      end
+    end
+  end
+end