diff --git a/src/compiler/transformers/destructuring.ts b/src/compiler/transformers/destructuring.ts index b5e829ee6839d..404fde2bfec2f 100644 --- a/src/compiler/transformers/destructuring.ts +++ b/src/compiler/transformers/destructuring.ts @@ -521,8 +521,10 @@ namespace ts { for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p]; if (s != null && typeof Object.getOwnPropertySymbols === "function") - for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0) - t[p[i]] = s[p[i]]; + for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) { + if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable(p[i])) + t[p[i]] = s[p[i]]; + } return t; };` };