refactor(core): CORE-06 type media surfaces and playback hosts

packages/artplayer/src/player/playMix.ts

@@ -0,0 +1,32 @@
+import type { PlayHost } from '../media/hosts'
+import type { PlaybackMethods } from '../media/types'
+import { def } from '../utils'
+
+export default function playMix<Media extends Pick<PlaybackMethods, 'play'>>(art: PlayHost<Media>): asserts art is PlayHost<Media> & { play: () => Promise<Awaited<ReturnType<Media['play']>>> } {
+  const {
+    i18n,
+    notice,
+    option,
+    constructor: { instances },
+    template: { $video },
+  } = art
+
+  def(art, 'play', {
+    async value() {
+      const result = await $video.play()
+      notice.show = i18n.get('Play')
+      art.emit('play')
+
+      if (option.mutex) {
+        for (let index = 0; index < instances.length; index++) {
+          const instance = instances[index]!
+          if (instance !== art) {
+            instance.pause()
+          }
+        }
+      }
+
+      return result
+    },
+  })
+}