checking for db error also bringing in article tweaks due to lazy usage of -a in git commit

posts/platonically-ideal-light-dark-toggle.md

@@ -21,13 +21,15 @@ So I thought it'd be interesting to explore these tradeoffs and throw my own hat
 
 ## The Obvious Way
 
-[demo]()
+[demo](/static/demos/light-dark-demo-1)
+
+The obvious way to attempt a toggle between light and dark mode is 
 
 ## A Suboptimal Solution
 
 A trick from from [](https://www.joshwcomeau.com/react/dark-mode/)
 
-[demo]()
+[demo](/static/demos/light-dark-demo-2)
 
 
 ## An Ideal Stateless Toggle

static/demos/light-dark-demo-4/sw.js

@@ -22,6 +22,15 @@ self.addEventListener("fetch", event =>{
 async function handle_redirect(req){
     const go_back_to = req.headers.get('Referer') || '/';;
     const db_req = self.indexedDB.open("light-dark-store");
+
+    db_req.onerror = (event) => {
+            console.error("Database error:", event);
+            resolve(new Response("Database error", {
+                status: 302,
+                headers: { 'Location': go_back_to }
+            }));
+        };
+
     const up_promise = new Promise((res)=>{
         db_req.onupgradeneeded = (event) => {
             const db = event.target.result;