Support iterating generators in browsers without Symbol (#13129)

2021-04-15 23:47:53 +02:00
parent 5d55055537
commit 808d437cf4
15 changed files with 123 additions and 52 deletions
--- a/packages/babel-runtime/helpers/iterableToArray.js
+++ b/packages/babel-runtime/helpers/iterableToArray.js
@@ -1,5 +1,5 @@
 function _iterableToArray(iter) {
-  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
+  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
 }

 module.exports = _iterableToArray;