настройка webpack

node_modules/@babel/runtime/helpers/esm/assertThisInitialized.js

@@ -0,0 +1,7 @@
+export default function _assertThisInitialized(self) {
+  if (self === void 0) {
+    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+  }
+
+  return self;
+}