fix(videojs): missing return in registerComponent (#8247)

Author: amtins

src/js/video.js

@@ -323,7 +323,7 @@ videojs.registerComponent = (name, comp) => {
     log.warn(`The ${name} tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)`);
   }
 
-  Component.registerComponent.call(Component, name, comp);
+  return Component.registerComponent.call(Component, name, comp);
 };
 
 videojs.getTech = Tech.getTech;

test/unit/player.test.js

@@ -2165,6 +2165,12 @@ QUnit.test('When VIDEOJS_NO_DYNAMIC_STYLE is set, apply sizing directly to the t
   window.VIDEOJS_NO_DYNAMIC_STYLE = originalVjsNoDynamicStyling;
 });
 
+QUnit.test('should return the registered component', function(assert) {
+  class CustomPlayer extends Player {}
+
+  assert.strictEqual(videojs.registerComponent('CustomPlayer', CustomPlayer), CustomPlayer, 'the component is returned');
+});
+
 QUnit.test('should allow to register custom player when any player has not been created', function(assert) {
   class CustomPlayer extends Player {}
   videojs.registerComponent('Player', CustomPlayer);