add some packages

node_modules/babel-runtime/helpers/set.js

@@ -0,0 +1,35 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _getPrototypeOf = require("../core-js/object/get-prototype-of");
+
+var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
+
+var _getOwnPropertyDescriptor = require("../core-js/object/get-own-property-descriptor");
+
+var _getOwnPropertyDescriptor2 = _interopRequireDefault(_getOwnPropertyDescriptor);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = function set(object, property, value, receiver) {
+  var desc = (0, _getOwnPropertyDescriptor2.default)(object, property);
+
+  if (desc === undefined) {
+    var parent = (0, _getPrototypeOf2.default)(object);
+
+    if (parent !== null) {
+      set(parent, property, value, receiver);
+    }
+  } else if ("value" in desc && desc.writable) {
+    desc.value = value;
+  } else {
+    var setter = desc.set;
+
+    if (setter !== undefined) {
+      setter.call(receiver, value);
+    }
+  }
+
+  return value;
+};