feat: add sound

web/src/routes/display/+page.svelte

@@ -12,6 +12,7 @@
     };
   }
 
+	let withSound = false;
   let persisted: PersistedState<CallEntry[]> = new PersistedState("calls", []);
   let calls = $state<CallEntry[]>($state.snapshot(persisted.current));
   let newCalls = $state<CallEntry[]>([]);
@@ -20,6 +21,7 @@
   let connected = $state(false);
 
   onMount(() => {
+		withSound = location.search.includes("sound=true");
     eventTarget.addEventListener("display", (e) => {
       const detail = (e as CustomEvent).detail;
       const _newCalls = detail.tickets.filter(
@@ -29,6 +31,10 @@
       persisted.current = calls;
       connected = true;
       if (!firstLoad) {
+				if (_newCalls.length > 0 && withSound) {
+					const audio = new Audio("/call.wav");
+					audio.play();
+				}
         newCalls.push(..._newCalls);
         setTimeout(() => {
           newCalls = newCalls.filter((c) => _newCalls.includes(c));