fix process.env/import.meta.env usages, TODO linting, fix Emboldened hexadecimal null handling

frontend/astro.config.mjs

@@ -4,14 +4,16 @@ import tailwind from "@astrojs/tailwind";
 import sitemap from "@astrojs/sitemap";
 import preact from "@astrojs/preact";
 
+// TODO: Add linting to build steps
+
 // https://astro.build/config
 export default defineConfig({
   build: {
     assets: "assets",
   },
-  site: process.env.DEV
+  site: import.meta.env.DEV
     ? "https://localhost:4321"
-    : `https://${process.env.RAILWAY_PUBLIC_DOMAIN}`,
+    : `https://${import.meta.env.RAILWAY_PUBLIC_DOMAIN}`,
   integrations: [
     tailwind(),
     sitemap({
@@ -20,7 +22,7 @@ export default defineConfig({
       // xslURL: "/sitemap.xsl",
     }),
     preact({
-      devtools: process.env.DEV != undefined ? true : false,
+      devtools: import.meta.DEV ?? false,
     }),
   ],
 });

frontend/src/components/Demo.tsx

@@ -41,8 +41,8 @@ const Demo = ({ class: className }: DemoProps) => {
         session.
         <br />
         Your session is{" "}
-        <Emboldened skeletonWidth="0x12345678" copyable={true}>
+        <Emboldened skeletonWidth="0x1234567890ABCDEF" copyable={true}>
-          {"0x" + id?.toString(16).toUpperCase()}
+          {id != null ? "0x" + id?.toString(16).toUpperCase() : null}
         </Emboldened>
         . You have{" "}
         <Emboldened className="text-teal-400 font-inter">

frontend/src/components/useSocket.ts

@@ -30,9 +30,7 @@ function useSocket(): UseSocketResult {
   useEffect(() => {
     const socket = new WebSocket(
       (window.location.protocol === "https:" ? "wss://" : "ws://") +
-        (import.meta.env.DEV != undefined
+        (import.meta.env.DEV ? "localhost:5800" : window.location.host) +
-          ? "localhost:5800"
-          : window.location.host) +
         "/ws"
     );