testing js app

node_modules/jest-resolve/build/isBuiltinModule.js

@@ -0,0 +1,32 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = isBuiltinModule;
+
+function _module() {
+  const data = _interopRequireDefault(require('module'));
+
+  _module = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}
+
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+const BUILTIN_MODULES = new Set(_module().default.builtinModules);
+
+function isBuiltinModule(module) {
+  return BUILTIN_MODULES.has(module);
+}