Improve code quality and write tests

node_modules/@babel/plugin-transform-regenerator/lib/index.js

@@ -0,0 +1,23 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "default", {
+  enumerable: true,
+  get: function () {
+    return _regeneratorTransform().default;
+  }
+});
+
+function _regeneratorTransform() {
+  const data = _interopRequireDefault(require("regenerator-transform"));
+
+  _regeneratorTransform = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }