Use ?. where it represents the intended semantics (#11512)

packages/babel-traverse/src/path/inference/index.js

@@ -53,7 +53,7 @@ export function _getTypeAnnotation(): ?Object {
   }
 
   inferer = inferers[this.parentPath.type];
-  if (inferer && inferer.validParent) {
+  if (inferer?.validParent) {
     return this.parentPath.getTypeAnnotation();
   }
 }

packages/babel-traverse/src/path/inference/inferers.js

@@ -10,7 +10,7 @@ export function VariableDeclarator() {
 
   let type = init.getTypeAnnotation();
 
-  if (type && type.type === "AnyTypeAnnotation") {
+  if (type?.type === "AnyTypeAnnotation") {
     // Detect "var foo = Array()" calls so we can optimize for arrays vs iterables.
     if (
       init.isCallExpression() &&