Add token#new_line?

changelog/new_add_tokennew_line.md

@@ -0,0 +1 @@
+* [#240](https://github.com/rubocop/rubocop-ast/pull/240): Add a type predicate `new_line?` to Token. ([@tdeo][])

lib/rubocop/ast/token.rb

@@ -119,6 +119,10 @@ def end?
       def equal_sign?
         %i[tEQL tOP_ASGN].include?(type)
       end
+
+      def new_line?
+        type == :tNL
+      end
     end
   end
 end

spec/rubocop/ast/token_spec.rb

@@ -42,6 +42,7 @@ def some_method
   let(:equals_token) { processed_source.find_token { |t| t.text == '=' } }
 
   let(:end_token) { processed_source.find_token { |t| t.text == 'end' } }
+  let(:new_line_token) { processed_source.find_token { |t| t.line == 7 && t.column == 3 } }
 
   describe '.from_parser_token' do
     subject(:token) { described_class.from_parser_token(parser_token) }
@@ -303,6 +304,17 @@ def foo
       end
     end
 
+    describe '#new_line?' do
+      it 'returns true for new line tokens' do
+        expect(new_line_token).to be_a_new_line
+      end
+
+      it 'returns false for non new line tokens' do
+        expect(end_token).not_to be_a_new_line
+        expect(semicolon_token).not_to be_a_new_line
+      end
+    end
+
     context 'with braces & parens' do
       let(:source) { <<~RUBY }
         { a: 1 }