add Artplayer.USE_RAF

packages/artplayer/src/events/updateInit.js

@@ -0,0 +1,19 @@
+export default function updateInit(art) {
+    if (art.constructor.USE_RAF) {
+        let timer = null;
+
+        (function update() {
+            if (art.playing) {
+                art.emit('raf');
+            }
+
+            if (!art.isDestroy) {
+                timer = requestAnimationFrame(update);
+            }
+        })();
+
+        art.on('destroy', () => {
+            cancelAnimationFrame(timer);
+        });
+    }
+}