修改包管理

packages/artplayer/src/loading.js

@@ -0,0 +1,22 @@
+import icons from './icons';
+import { append, setStyle } from './utils';
+
+export default class Loading {
+  constructor(art) {
+    this.art = art;
+    const { option, refs: { $loading } } = art;
+    append($loading, option.loading || icons.loading);
+  }
+
+  hide() {
+    const { $loading } = this.art.refs;
+    setStyle($loading, 'display', 'none');
+    this.art.emit('loading:hide', $loading);
+  }
+
+  show() {
+    const { $loading } = this.art.refs;
+    setStyle($loading, 'display', 'flex');
+    this.art.emit('loading:show', $loading);
+  }
+}