diff -r 02c04d2c8fd8 -r ac1eacb3aa33 src/widgets/AdaptivePlayer.js
--- a/src/widgets/AdaptivePlayer.js	Sun Nov 12 22:07:33 2017 +0100
+++ b/src/widgets/AdaptivePlayer.js	Wed Sep 04 17:32:50 2024 +0200
@@ -1,33 +1,38 @@
-IriSP.Widgets.AdaptivePlayer = function(player, config) {
-    IriSP.Widgets.Widget.call(this, player, config);
-};
-
-IriSP.Widgets.AdaptivePlayer.prototype = new IriSP.Widgets.Widget();
-
-IriSP.Widgets.AdaptivePlayer.prototype.defaults = {
-    mime_type: 'video/mp4; codecs="avc1.42E01E"',
-    normal_player: "HtmlPlayer",
-    fallback_player: "JwpPlayer"
-};
-
-IriSP.Widgets.AdaptivePlayer.prototype.draw = function() {
-    
-    if (typeof this.video === "undefined") {
-        this.video = this.media.video;
-    }
-    
-    var _props = [ "autostart", "video", "height", "width", "url_transform" ],
-        _opts = {},
-        _canPlayType = document.createElement('video').canPlayType(this.mime_type);
-    
-    _opts.type = (_canPlayType !== "no") ? this.normal_player : this.fallback_player;
-    
-    for (var i = 0; i < _props.length; i++) {
-        if (typeof this[_props[i]] !== "undefined") {
-            _opts[_props[i]] = this[_props[i]];
-        }
+// Class AdaptivePlayer
+const AdaptivePlayer = function (ns) {
+  return class extends ns.Widgets.Widget {
+    constructor(player, config) {
+      super(player, config);
     }
 
-    this.insertSubwidget(this.$, _opts);
-    
-};
\ No newline at end of file
+    static defaults = {
+      mime_type: 'video/mp4; codecs="avc1.42E01E"',
+      normal_player: "HtmlPlayer",
+      fallback_player: "HtmlPlayer",
+    };
+
+    draw() {
+      if (typeof this.video === "undefined") {
+        this.video = this.media.video;
+      }
+
+      var _props = ["autostart", "video", "height", "width", "url_transform"],
+        _opts = {},
+        _canPlayType = document
+          .createElement("video")
+          .canPlayType(this.mime_type);
+
+      _opts.type =
+        _canPlayType !== "no" ? this.normal_player : this.fallback_player;
+
+      for (var i = 0; i < _props.length; i++) {
+        if (typeof this[_props[i]] !== "undefined") {
+          _opts[_props[i]] = this[_props[i]];
+        }
+      }
+
+      this.insertSubwidget(this.$, _opts);
+    }
+  };
+};
+export { AdaptivePlayer };