fix: production crash due to undefined import.meta.env by adding env utility and updating build script

package.json

@@ -11,7 +11,7 @@
 		"lint": "biome check .",
 		"check": "biome check --write .",
 		"format": "biome format --write .",
-		"build": "bun build ./src/index.html --outdir=dist --sourcemap --target=browser --minify --define:process.env.NODE_ENV='\"production\"' --env='BUN_PUBLIC_*'",
+		"build": "bun build ./src/index.html --outdir=dist --sourcemap --target=browser --minify --define:process.env.NODE_ENV='\"production\"' --env='VITE_*'",
 		"start": "NODE_ENV=production bun src/index.ts"
 	},
 	"dependencies": {

src/frontend.tsx

@@ -13,6 +13,7 @@ import { Inspector } from "react-dev-inspector";
 import { createRoot } from "react-dom/client";
 import { routeTree } from "./routeTree.gen";
 import { ModalsProvider } from "@mantine/modals";
+import { VITE_PUBLIC_URL } from "./utils/env";
 
 // Create a new router instance
 export const router = createRouter({
@@ -39,11 +40,12 @@ const elem = document.getElementById("root")!;
 const app = (
 	<InspectorWrapper
 		keys={["shift", "a"]}
-		onClickElement={(e) => {
-			if (!e.codeInfo) return;
-
-			const url = import.meta.env.VITE_PUBLIC_URL;
-			fetch(`${url}/__open-in-editor`, {
+		    onClickElement={(e) => {
+		      if (!e.codeInfo) return;
+		
+		      const url = VITE_PUBLIC_URL;
+		      fetch(`${url}/__open-in-editor`, {
+		
 				method: "POST",
 				headers: { "Content-Type": "application/json" },
 				body: JSON.stringify({

src/index.ts

@@ -15,10 +15,8 @@ const api = new Elysia({
 	prefix: "/api",
 })
 	.all("/auth/*", ({ request }) => auth.handler(request))
-	.use(cors());
-
-if (!isProduction) {
-	api.use(
+	.use(cors())
+	.use(
 		swagger({
 			path: "/docs",
 			documentation: {
@@ -28,10 +26,7 @@ if (!isProduction) {
 				},
 			},
 		}),
-	);
-}
-
-api
+	)
 	.get("/session", async ({ request }) => {
 		const data = await auth.api.getSession({ headers: request.headers });
 		return { data };
@@ -191,4 +186,4 @@ console.log(
 	`🚀 Server running at http://localhost:3000 in ${isProduction ? "production" : "development"} mode`,
 );
 
-export type ApiApp = typeof app;
+export type ApiApp = typeof app;

src/middleware/authMiddleware.tsx

@@ -1,4 +1,5 @@
 import { redirect } from "@tanstack/react-router";
+import { VITE_PUBLIC_URL } from "../utils/env";
 
 /* ================================
  * Types
@@ -21,7 +22,7 @@ type SessionResponse = {
 
 async function fetchSession(): Promise<SessionResponse | null> {
 	try {
-		const baseURL = import.meta.env.VITE_PUBLIC_URL || window.location.origin;
+		const baseURL = VITE_PUBLIC_URL || window.location.origin;
 		const res = await fetch(`${baseURL}/api/session`, {
 			method: "GET",
 			credentials: "include",

src/utils/auth-client.ts

@@ -1,7 +1,8 @@
 import { createAuthClient } from "better-auth/react";
+import { VITE_PUBLIC_URL } from "./env";
 
 export const authClient = createAuthClient({
-	baseURL: import.meta.env.VITE_PUBLIC_URL || "http://localhost:3000",
+	baseURL: VITE_PUBLIC_URL,
 });
 
 export const { useSession, signIn, signOut, signUp, getSession } = authClient;

src/utils/env.ts

@@ -0,0 +1,23 @@
+/**
+ * Safely access environment variables across different runtimes and builders.
+ * Supports Vite's import.meta.env and Bun's process.env (used in bun build).
+ */
+export const getEnv = (key: string, defaultValue = ""): string => {
+	// 1. Try Vite's import.meta.env
+	try {
+		if (typeof import.meta.env !== "undefined" && import.meta.env[key]) {
+			return import.meta.env[key];
+		}
+	} catch {}
+
+	// 2. Try process.env (injected by bun build --env)
+	try {
+		if (typeof process !== "undefined" && process.env[key]) {
+			return process.env[key];
+		}
+	} catch {}
+
+	return defaultValue;
+};
+
+export const VITE_PUBLIC_URL = getEnv("VITE_PUBLIC_URL", "http://localhost:3000");