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packages/artplayer/src/player/loadedMix.js

@@ -0,0 +1,10 @@
+export default function seekMix(art, player) {
+  Object.defineProperty(player, 'loaded', {
+    get: () => {
+      const { $video } = art.refs;
+      return $video.buffered.length
+        ? $video.buffered.end($video.buffered.length - 1) / $video.duration
+        : 0;
+    }
+  });
+}