Can not reproduce error described in stereobooster/react-snap#72

src/App.js

@@ -7,18 +7,66 @@ import Nav from "./components/Nav";
 import NavLink from "./components/NavLink";
 import loadable from "loadable-components";
 
-const Home = loadable(() => import("./views/Home"), {
-  LoadingComponent: () => null
-});
-const About = loadable(() => import("./views/About"), {
-  LoadingComponent: () => null
-});
-const Countries = loadable(() => import("./views/Countries"), {
-  LoadingComponent: () => null
-});
-const NoMatch = loadable(() => import("./views/NoMatch"), {
-  LoadingComponent: () => null
-});
+const Home = loadable(
+  () => {
+    const x = import("./views/Home");
+    console.log(1);
+    x.then(y => console.log(y));
+    console.log(2);
+    return x;
+  },
+  {
+    LoadingComponent: () => {
+      console.log("LoadingComponent: ./views/Home");
+      return null;
+    }
+  }
+);
+const About = loadable(
+  () => {
+    const x = import("./views/About");
+    console.log(1);
+    x.then(y => console.log(y));
+    console.log(2);
+    return x;
+  },
+  {
+    LoadingComponent: () => {
+      console.log("LoadingComponent: ./views/About");
+      return null;
+    }
+  }
+);
+const Countries = loadable(
+  () => {
+    const x = import("./views/Countries");
+    console.log(1);
+    x.then(y => console.log(y));
+    console.log(2);
+    return x;
+  },
+  {
+    LoadingComponent: () => {
+      console.log("LoadingComponent: ./views/Countries");
+      return null;
+    }
+  }
+);
+const NoMatch = loadable(
+  () => {
+    const x = import("./views/NoMatch");
+    console.log(1);
+    x.then(y => console.log(y));
+    console.log(2);
+    return x;
+  },
+  {
+    LoadingComponent: () => {
+      console.log("LoadingComponent: ./views/NoMatch");
+      return null;
+    }
+  }
+);
 
 const title = "You Are Doing Great";
 const routes = [

src/index.js

@@ -3,8 +3,8 @@ import { hydrate, render } from "react-dom";
 // import { render } from 'react-dom';
 import App from "./App";
 import "./index.css";
-import registerServiceWorker from "./registerServiceWorker";
-// import { unregister } from "./registerServiceWorker";
+// import registerServiceWorker from "./registerServiceWorker";
+import { unregister } from "./registerServiceWorker";
 import { BrowserRouter } from "react-router-dom";
 
 import { loadComponents } from "loadable-components";
@@ -29,5 +29,5 @@ if (rootElement.hasChildNodes()) {
 }
 
 // render(<App />, rootElement);
-registerServiceWorker();
-// unregister();
+// registerServiceWorker();
+unregister();