添加灯光模式

packages/artplayer/src/player/lightMix.js

@@ -0,0 +1,15 @@
+import { def, getStyle, setStyle } from '../utils';
+
+export default function lightMix(art, player) {
+    const { $undercover } = art.template;
+
+    def(player, 'light', {
+        get() {
+            return getStyle($undercover, 'display', false) !== 'none';
+        },
+        set(value) {
+            setStyle($undercover, 'display', value ? 'block' : 'none');
+            art.emit('light', value);
+        },
+    });
+}