overhaul config, refactor twitch labels, init satellite

twitch/public/labels.js

@@ -1,6 +1,6 @@
 const labelEl = document.getElementById("label");
 
-const selectedLabel = new URLSearchParams(location.search).get("l");
+const label = location.pathname.split("/twitch/labels/")[1];
 const labelLatestFollower   = "latest-follower"
 const labelLatestSubscriber = "latest-subscriber"
 const labelLatestCheer      = "latest-cheer"
@@ -11,14 +11,11 @@ const allowedLabels = [
 ]
 
 /**
- * @param {string} selectedLabel
+ * @param {string} label
  */
 async function sync() {
-    if (selectedLabel == null) {
-        const exampleUrl = 
-            location.pathname +
-            "?l=" +
-            labelLatestFollower;
+    if (label == null) {
+        const exampleUrl = `${location.protocol}//${location.host}/twitch/labels/${labelLatestFollower}`;
 
         labelEl.innerHTML =
             "Needs label to listen to, " +
@@ -29,7 +26,7 @@ async function sync() {
 
     let eventSource;
     try {
-        eventSource = new EventSource("/twitch/sse?l=" + selectedLabel);
+        eventSource = new EventSource("/twitch/sse/" + label);
     } catch (err) {
         console.error("Failed to connect to event source", err);
         return;
@@ -46,7 +43,7 @@ async function sync() {
     });
 
     eventSource.addEventListener("update", event => {
-        console.log(event.data);
+        console.log(`[${label}] ${event.data}`);
         labelEl.innerText = event.data;
     });