添加旋转和翻转设置

packages/artplayer/src/player/flipMix.js

@@ -0,0 +1,17 @@
+import { errorHandle } from '../utils';
+
+export default function flipMix(art, player) {
+  Object.defineProperty(player, 'flip', {
+    value: dir => {
+      const dirList = ['horizontal', 'vertical'];
+      errorHandle(dirList.includes(dir), `The 'angle' need to be one of '[horizontal, vertical]', but got ${dir}`);
+      art.refs.$player.dataset.flip = dir;
+    }
+  });
+
+  Object.defineProperty(player, 'flipRemove', {
+    value: () => {
+      delete art.refs.$player.dataset.flip;
+    }
+  });
+}