Fix optional method chaining in derived classes (#10694)

2019-11-12 21:58:40 +05:30
parent d9fd07929a
commit ecad667dda
6 changed files with 61 additions and 0 deletions
--- a/packages/babel-plugin-proposal-optional-chaining/src/index.js
+++ b/packages/babel-plugin-proposal-optional-chaining/src/index.js
@@ -82,6 +82,8 @@ export default declare((api, options) => {
              let context = scope.maybeGenerateMemoised(object);
              if (context) {
                chain.object = t.assignmentExpression("=", context, object);
+              } else if (t.isSuper(object)) {
+                context = t.thisExpression();
              } else {
                context = object;
              }