优化本地文件类型判断

docs/uncompiled/artplayer.js

@@ -5551,18 +5551,17 @@
 
   function localPreview(art) {
     var _art$constructor$util = art.constructor.utils,
-        getExt = _art$constructor$util.getExt,
         append = _art$constructor$util.append,
         setStyle = _art$constructor$util.setStyle,
         setStyles = _art$constructor$util.setStyles,
         sleep = _art$constructor$util.sleep;
-    var formats = ['mp4', 'ogg', 'webm'];
     var proxy = art.events.proxy,
         option = art.option,
         notice = art.notice,
         i18n = art.i18n,
         template = art.template,
         player = art.player;
+    var fileTypes = ['video/mp4', 'audio/ogg', 'video/webm'];
     i18nMix$1(i18n);
     return {
       name: 'localPreview',
@@ -5581,9 +5580,7 @@
           var file = $input.files[0];
 
           if (file) {
-            var ext = getExt(file.name);
-
-            if (ext && formats.includes(ext)) {
+            if (fileTypes.includes(file.type)) {
               var url = URL.createObjectURL(file);
               player.playbackRateRemove();
               player.aspectRatioRemove();
@@ -5595,7 +5592,7 @@
               art.emit('switch', url);
               notice.show(i18n.get('Load local video successfully'));
             } else {
-              var tip = "".concat(i18n.get('Only file types are supported'), ": ").concat(formats.toString());
+              var tip = "".concat(i18n.get('Only file types are supported'), ": ").concat(fileTypes.toString(), ", but got ").concat(file.type);
               notice.show(tip, true, 3000);
               console.warn(tip);
             }