Fix empty block args bug tap{||}

ruby · Oct 25, 2024 · 2c4389a · 2c4389a
1 parent c9dfd60
commit 2c4389a
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/lib/repl_type_completor/type_analyzer.rb b/lib/repl_type_completor/type_analyzer.rb
@@ -266,7 +266,9 @@ def evaluate_call_node(node, scope)
               when Prism::NumberedParametersNode
                 assign_numbered_parameters node.block.parameters.maximum, block_scope, block_args, {}
               when Prism::BlockParametersNode
-                assign_parameters node.block.parameters.parameters, block_scope, block_args, {}
+                if node.block.parameters.parameters
+                  assign_parameters node.block.parameters.parameters, block_scope, block_args, {}
+                end
               when Prism::ItParametersNode
                 scope['_1'] = block_args.first || Types::NIL
               end

diff --git a/test/repl_type_completor/test_type_analyze.rb b/test/repl_type_completor/test_type_analyze.rb
@@ -695,6 +695,7 @@ def test_call_parameter
     end
 
     def test_block_args
+      assert_call('[1,2,3].tap{|| 1.', include: Integer)
       assert_call('[1,2,3].tap{|a| a.', include: Array)
       assert_call('[1,2,3].tap{|a,| a.', include: Integer)
       assert_call('[1,2,3].tap{|a,b| a.', include: Integer)