Configring node js.

node_modules/core-js/modules/_object-define.js

@@ -0,0 +1,12 @@
+var dP        = require('./_object-dp')
+  , gOPD      = require('./_object-gopd')
+  , ownKeys   = require('./_own-keys')
+  , toIObject = require('./_to-iobject');
+
+module.exports = function define(target, mixin){
+  var keys   = ownKeys(toIObject(mixin))
+    , length = keys.length
+    , i = 0, key;
+  while(length > i)dP.f(target, key = keys[i++], gOPD.f(mixin, key));
+  return target;
+};