refactor(hls): [PKG-HLS-04] migrate modules and compatible types

packages/artplayer-plugin-hls-control/src/sdk-events.ts

@@ -0,0 +1,41 @@
+import type { Cleanup, Hls, SdkEvent } from './types'
+
+export function subscribeHls(hls: Hls, refresh: Cleanup, destroyed: Cleanup): Cleanup {
+  const events = hls.constructor?.Events
+  if (!events || typeof hls.on !== 'function' || typeof hls.off !== 'function')
+    return () => {}
+  // Keep the checked SDK object so method calls retain their original receiver.
+  const source = hls as Hls & Required<Pick<Hls, 'on' | 'off'>>
+  const subscriptions: [string, Cleanup][] = []
+  let active = true
+  function release(): void {
+    if (!active)
+      return
+    active = false
+    for (const [event, callback] of subscriptions)
+      source.off(event, callback)
+    subscriptions.length = 0
+  }
+  try {
+    for (const key of ['MANIFEST_PARSED', 'LEVELS_UPDATED', 'LEVEL_SWITCHED', 'AUDIO_TRACKS_UPDATED', 'AUDIO_TRACK_SWITCHED', 'DESTROYING'] satisfies SdkEvent[]) {
+      const event = events[key]
+      if (typeof event !== 'string' || subscriptions.some(([name]) => name === event))
+        continue
+      const callback = () => {
+        if (!active)
+          return
+        if (key === 'DESTROYING')
+          destroyed()
+        else
+          refresh()
+      }
+      subscriptions.push([event, callback])
+      source.on(event, callback)
+    }
+  }
+  catch (error) {
+    release()
+    throw error
+  }
+  return release
+}