feat: reimplement blink timer

src/lib/blink.ts

@@ -0,0 +1,24 @@
+import { config } from "$lib/store";
+import { get } from "svelte/store";
+
+export let blinkTimer: NodeJS.Timeout;
+
+export const initBlink = () => {
+    config.subscribe((cfg) => {
+        if(blinkTimer) clearInterval(blinkTimer);
+        startTimer(cfg.blink_interval);
+    })
+}
+
+const startTimer = (time: number) => {
+    let last = 0;
+    let elapsed = 0;
+    blinkTimer = setInterval(() => {
+        elapsed += Date.now() - last;
+        if (elapsed >= time * 2 || Math.random() >= 0.5){
+            elapsed = 0
+            window?.dispatchEvent(new Event('blink'));
+        } 
+        last = Date.now();
+    }, time);
+}

src/routes/+layout.svelte

@@ -25,6 +25,7 @@
 	import SettingsButton from '$lib/components/SettingsButton.svelte';
 	import { debug } from '$lib/logging';
 	import { loadLast } from '$lib/io';
+	import { initBlink } from '$lib/blink';
 
 	storePopup.set({ computePosition, autoUpdate, flip, shift, offset, arrow });
 
@@ -47,6 +48,7 @@
 		}
 		await initState();
 		await loadLast();
+		initBlink();
 	});
 
 	onDestroy(() => {