Create an empty object without prototype

activeprospect · Aug 18, 2021 · ef571d6 · ef571d6
1 parent 9cd8119
commit ef571d6
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/packages/core-js-pure/override/internals/export.js b/packages/core-js-pure/override/internals/export.js
@@ -21,6 +21,10 @@ var wrapConstructor = function (NativeConstructor) {
   return Wrapper;
 };
 
+var createEmptyObject = function () {
+  return Object.create ? Object.create(null) : {};
+};
+
 /*
   options.target      - name of the target object
   options.global      - target is the global object
@@ -43,7 +47,7 @@ module.exports = function (options, source) {
 
   var nativeSource = GLOBAL ? global : STATIC ? global[TARGET] : (global[TARGET] || {}).prototype;
 
-  var target = GLOBAL ? path : path[TARGET] || (path[TARGET] = {});
+  var target = GLOBAL ? path : path[TARGET] || (path[TARGET] = createEmptyObject());
   var targetPrototype = target.prototype;
 
   var FORCED, USE_NATIVE, VIRTUAL_PROTOTYPE;
@@ -85,7 +89,7 @@ module.exports = function (options, source) {
     if (PROTO) {
       VIRTUAL_PROTOTYPE = TARGET + 'Prototype';
       if (!has(path, VIRTUAL_PROTOTYPE)) {
-        createNonEnumerableProperty(path, VIRTUAL_PROTOTYPE, {});
+        createNonEnumerableProperty(path, VIRTUAL_PROTOTYPE, createEmptyObject());
       }
       // export virtual prototype methods
       path[VIRTUAL_PROTOTYPE][key] = sourceProperty;