Update CheckJSDoc to also allow for type annotations on a comma expressions

PiperOrigin-RevId: 718166448

Author: Dustyn Loyda

src/com/google/javascript/jscomp/parsing/IRFactory.java

@@ -755,6 +755,7 @@ private Comment getJSDocCommentAt(SourcePosition pos) {
 
       case CALL_EXPRESSION:
       case CONDITIONAL_EXPRESSION:
+      case COMMA_EXPRESSION:
       case BINARY_OPERATOR:
       case MEMBER_EXPRESSION:
       case MEMBER_LOOKUP_EXPRESSION:
@@ -955,6 +956,9 @@ private static ParseTree findNearestNode(ParseTree tree) {
         case UPDATE_EXPRESSION:
           tree = tree.asUpdateExpression().operand;
           continue;
+        case COMMA_EXPRESSION:
+          tree = tree.asCommaExpression().expressions.get(0);
+          continue;
         default:
           return tree;
       }

test/com/google/javascript/jscomp/CheckJsDocTest.java

@@ -1311,4 +1311,11 @@ public void testIsUsedViaDotConstrucctor() {
     testSame("class Foo {/** @usedViaDotConstructor */ constructor() {} }");
     testWarning("/** @usedViaDotConstructor */ function A() {}", MISPLACED_ANNOTATION);
   }
+
+  @Test
+  public void testMisplacedTypeAnnotationCommaExpression() {
+    testSame("var x = obj.method(/** @type {foo} */ (bar), baz);");
+    testSame("var x = (/** @type {foo} */ (obj.method()), bar);");
+    testSame("var x = (/** @type {foo} */ (bar), baz);");
+  }
 }