refactor(core): [CORE-20] type entry and converge initialization

test/helpers/legacy-airplay.js

@@ -0,0 +1,43 @@
+// Frozen own-source fixture: ccf77c4e packages/artplayer/src/player/airplayMix.js
+// Original file SHA-256: b9ce49489e75045b6a1df4d8ed28f123c1b105ac4c04fefaabcffe4353ad004d
+// Only the relative utils import is relocated; the function body is unchanged.
+import { def } from '../../packages/artplayer/src/utils'
+
+export default function airplayMix(art) {
+  const {
+    i18n,
+    notice,
+    proxy,
+    template: { $video },
+  } = art
+
+  let available = true
+
+  if (window.WebKitPlaybackTargetAvailabilityEvent && $video.webkitShowPlaybackTargetPicker) {
+    proxy($video, 'webkitplaybacktargetavailabilitychanged', (event) => {
+      switch (event.availability) {
+        case 'available':
+          available = true
+          break
+        case 'not-available':
+          available = false
+          break
+      }
+    })
+  }
+  else {
+    available = false
+  }
+
+  def(art, 'airplay', {
+    value() {
+      if (available) {
+        $video.webkitShowPlaybackTargetPicker()
+        art.emit('airplay')
+      }
+      else {
+        notice.show = i18n.get('AirPlay Not Available')
+      }
+    },
+  })
+}