Update installer.js

Author: NovaDev404

web/installer.js

@@ -20,25 +20,37 @@ function pulse(state) {
     const img = document.querySelector('.logo-img');
     if (!img) return;
 
+    let startTime;
+    const duration = 1000; // full pulse cycle in ms (0.8 → 1 → 0.8)
+
     if (state === 'reset') {
-        clearInterval(pulseInterval);
-        pulseInterval = null;
+        cancelAnimationFrame(pulseState);
+        pulseState = null;
         img.style.transition = 'transform 0.2s ease';
         img.style.transform = 'scale(0.8)';
-    } else if (state === true) {
-        if (pulseInterval) return; // already pulsing
-        let growing = true;
-        img.style.transition = 'transform 0.2s ease';
-        pulseInterval = setInterval(() => {
-            img.style.transform = growing ? 'scale(1)' : 'scale(0.8)';
-            growing = !growing;
-        }, 200);
-    } else if (state === false) {
-        if (pulseInterval) {
-            clearInterval(pulseInterval);
-            pulseInterval = null;
-        }
+        return;
+    }
+
+    if (state === false) {
+        cancelAnimationFrame(pulseState);
+        pulseState = null;
         img.style.transition = 'transform 0.2s ease';
         img.style.transform = 'scale(1)';
+        return;
     }
+
+    // state === true → start smooth pulsing
+    cancelAnimationFrame(pulseState);
+    startTime = null;
+
+    function animate(time) {
+        if (!startTime) startTime = time;
+        const elapsed = time - startTime;
+        // sinusoidal smooth scaling: 0.8 → 1 → 0.8
+        const scale = 0.9 + 0.1 * Math.sin((elapsed / duration) * 2 * Math.PI); 
+        img.style.transform = `scale(${scale})`;
+        pulseState = requestAnimationFrame(animate);
+    }
+
+    pulseState = requestAnimationFrame(animate);
 }