add some packages

node_modules/core-js/modules/_set-proto.js

@@ -0,0 +1,25 @@
+// Works with __proto__ only. Old v8 can't work with null proto objects.
+/* eslint-disable no-proto */
+var isObject = require('./_is-object');
+var anObject = require('./_an-object');
+var check = function (O, proto) {
+  anObject(O);
+  if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
+};
+module.exports = {
+  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
+    function (test, buggy, set) {
+      try {
+        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);
+        set(test, []);
+        buggy = !(test instanceof Array);
+      } catch (e) { buggy = true; }
+      return function setPrototypeOf(O, proto) {
+        check(O, proto);
+        if (buggy) O.__proto__ = proto;
+        else set(O, proto);
+        return O;
+      };
+    }({}, false) : undefined),
+  check: check
+};