🛠 Build optimizations (chunking and lazy-loading)

src/client/components/ComicDetail/TabControls.tsx

@@ -1,4 +1,4 @@
-import React, { ReactElement, useState } from "react";
+import React, { ReactElement, Suspense, useState } from "react";
 import { isNil } from "lodash";
 
 export const TabControls = (props): ReactElement => {
@@ -47,9 +47,11 @@ export const TabControls = (props): ReactElement => {
           </nav>
         </div>
       </div>
-      {filteredTabs.map(({ id, content }) => {
-        return currentActive === id ? content : null;
-      })}
+      <Suspense>
+        {filteredTabs.map(({ id, content }) => {
+          return currentActive === id ? content : null;
+        })}
+      </Suspense>
     </>
   );
 };

src/client/components/ComicDetail/tabConfig.tsx

@@ -1,11 +1,12 @@
-import React from "react";
+import React, { lazy } from "react";
 import { isNil, isEmpty } from "lodash";
-import { VolumeInformation } from "./Tabs/VolumeInformation";
-import { ComicInfoXML } from "./Tabs/ComicInfoXML";
-import { ArchiveOperations } from "./Tabs/ArchiveOperations";
-import AcquisitionPanel from "./AcquisitionPanel";
-import TorrentSearchPanel from "./TorrentSearchPanel";
-import DownloadsPanel from "./DownloadsPanel";
+
+const VolumeInformation = lazy(() => import("./Tabs/VolumeInformation").then(m => ({ default: m.VolumeInformation })));
+const ComicInfoXML = lazy(() => import("./Tabs/ComicInfoXML").then(m => ({ default: m.ComicInfoXML })));
+const ArchiveOperations = lazy(() => import("./Tabs/ArchiveOperations").then(m => ({ default: m.ArchiveOperations })));
+const AcquisitionPanel = lazy(() => import("./AcquisitionPanel"));
+const TorrentSearchPanel = lazy(() => import("./TorrentSearchPanel"));
+const DownloadsPanel = lazy(() => import("./DownloadsPanel"));
 
 interface TabConfig {
   id: number;

src/client/index.tsx

@@ -1,22 +1,21 @@
-import React from "react";
-import { render } from "react-dom";
+import { lazy, Suspense } from "react";
 import { createRoot } from "react-dom/client";
+const root = createRoot(document.getElementById("root")!);
 import App from "./components/App";
 import { createBrowserRouter, RouterProvider } from "react-router-dom";
-import Settings from "./components/Settings/Settings";
 import { ErrorPage } from "./components/shared/ErrorPage";
-const rootEl = document.getElementById("root");
-const root = createRoot(rootEl);
-import i18n from "./shared/utils/i18n.util";
+import "./shared/utils/i18n.util";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
-import Import from "./components/Import/Import";
-import Dashboard from "./components/Dashboard/Dashboard";
-import Search from "./components/Search/Search";
-import TabulatedContentContainer from "./components/Library/TabulatedContentContainer";
-import { ComicDetailContainer } from "./components/ComicDetail/ComicDetailContainer";
-import Volumes from "./components/Volumes/Volumes";
-import VolumeDetails from "./components/VolumeDetail/VolumeDetail";
-import WantedComics from "./components/WantedComics/WantedComics";
+
+const Settings = lazy(() => import("./components/Settings/Settings"));
+const Import = lazy(() => import("./components/Import/Import"));
+const Dashboard = lazy(() => import("./components/Dashboard/Dashboard"));
+const Search = lazy(() => import("./components/Search/Search"));
+const TabulatedContentContainer = lazy(() => import("./components/Library/TabulatedContentContainer"));
+const ComicDetailContainer = lazy(() => import("./components/ComicDetail/ComicDetailContainer").then(m => ({ default: m.ComicDetailContainer })));
+const Volumes = lazy(() => import("./components/Volumes/Volumes"));
+const VolumeDetails = lazy(() => import("./components/VolumeDetail/VolumeDetail"));
+const WantedComics = lazy(() => import("./components/WantedComics/WantedComics"));
 
 const queryClient = new QueryClient({
   defaultOptions: {
@@ -55,6 +54,8 @@ const router = createBrowserRouter([
 
 root.render(
   <QueryClientProvider client={queryClient}>
-    <RouterProvider router={router} />
+    <Suspense>
+      <RouterProvider router={router} />
+    </Suspense>
   </QueryClientProvider>,
 );

vite.config.js

@@ -7,6 +7,34 @@ export default defineConfig({
   base: "",
   build: {
     target: "esnext",
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          "react-vendor": ["react", "react-dom", "react-router", "react-router-dom"],
+          "query-vendor": ["@tanstack/react-query", "@tanstack/react-table"],
+          "ui-vendor": [
+            "styled-components",
+            "react-toastify",
+            "react-select",
+            "react-modal",
+            "react-sliding-pane",
+            "embla-carousel-react",
+            "react-day-picker",
+            "react-loader-spinner",
+          ],
+          "utils-vendor": [
+            "lodash",
+            "date-fns",
+            "dayjs",
+            "axios",
+            "rxjs",
+            "socket.io-client",
+            "i18next",
+            "react-i18next",
+          ],
+        },
+      },
+    },
   },
   esbuild: {
     supported: {