feat(html): add PlayerElement to createPlayer (#376)

packages/html/src/player/tests/create-player.test.ts

@@ -0,0 +1,34 @@
+import { features } from '@videojs/core/dom';
+import { describe, expect, it } from 'vitest';
+
+import { createPlayer } from '../create-player';
+
+describe('createPlayer', () => {
+  it('returns expected exports', () => {
+    const result = createPlayer({ features: [...features.video] });
+
+    expect(result.context).toBeDefined();
+    expect(result.create).toBeInstanceOf(Function);
+    expect(result.PlayerController).toBeDefined();
+    expect(result.PlayerElement).toBeDefined();
+    expect(result.PlayerMixin).toBeInstanceOf(Function);
+    expect(result.ProviderMixin).toBeInstanceOf(Function);
+    expect(result.ContainerMixin).toBeInstanceOf(Function);
+  });
+
+  it('create() returns a store instance', () => {
+    const { create } = createPlayer({ features: [...features.video] });
+    const store = create();
+
+    expect(store.attach).toBeInstanceOf(Function);
+    expect(store.subscribe).toBeInstanceOf(Function);
+    expect(store.destroy).toBeInstanceOf(Function);
+  });
+
+  it('PlayerElement is a valid custom element class', () => {
+    const { PlayerElement } = createPlayer({ features: [...features.video] });
+
+    expect(typeof PlayerElement).toBe('function');
+    expect(PlayerElement.prototype).toBeDefined();
+  });
+});