add an additional check of native Symbol

zloirock · May 20, 2019 · 08d2f56 · 08d2f56
1 parent 6c69c73
commit 08d2f56
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/core-js/internals/native-symbol.js b/packages/core-js/internals/native-symbol.js
@@ -1,7 +1,7 @@
 var fails = require('../internals/fails');
 
-// Chrome 38 Symbol has incorrect toString conversion
-module.exports = !fails(function () {
+module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
+  // Chrome 38 Symbol has incorrect toString conversion
   // eslint-disable-next-line no-undef
   return !String(Symbol());
 });