fix(multiple-subtitles): [PKG-MULTI-SUB-04] preserve historical type shapes

test/types/multiple-subtitles-public.ts

@@ -1,4 +1,5 @@
 import type { Factory, LegacyResult, Option, Result, RuntimeFactory, TrackOption } from 'artplayer-plugin-multiple-subtitles'
+import type { RuntimeFactory as EntryFactory, RuntimeOption as EntryOption, Result as EntryResult, TrackOption as EntryTrack } from 'artplayer-plugin-multiple-subtitles/runtime'
 import Artplayer from 'artplayer'
 import legacy from 'artplayer-plugin-multiple-subtitles'
 import legacyEntry from 'artplayer-plugin-multiple-subtitles/legacy'
@@ -12,10 +13,16 @@ type ExactResult = Assert<Equal<ReturnType<ReturnType<typeof legacy>>, LegacyRes
 type ActualResult = Assert<Equal<ReturnType<ReturnType<typeof runtime>>, Promise<Result>>>
 type OldTrack = Assert<Equal<TrackOption, { url?: string, name?: string, type?: 'vtt' | 'srt' | 'ass', encoding?: string, onParser?: (...args: object[]) => object }>>
 
+type PublishedFactory = (option: { subtitles: TrackOption[] }) => (art: Artplayer) => { name: 'multipleSubtitles' }
+type PublishedShape = Assert<Equal<typeof legacy, PublishedFactory>>
+type RuntimeEntry = Assert<Equal<[EntryFactory, EntryOption, EntryResult, EntryTrack], [RuntimeFactory, { subtitles?: TrackOption[] }, Result, TrackOption]>>
+
 const option: Option = { subtitles: [{ url: '/en.vtt', name: 'en', onParser: (...args) => args }] }
 const art = new Artplayer({ container: '#player', url: '/video.mp4', plugins: [legacy(option), runtime(option)] })
 const old: LegacyResult = legacy(option)(art)
 const replacement: typeof legacy = (_option: Option) => (_art: Artplayer) => ({ name: 'multipleSubtitles' })
+const assignToOld: PublishedFactory = legacy
+const assignFromOld: typeof legacy = (_option: { subtitles: TrackOption[] }) => (_art: Artplayer) => ({ name: 'multipleSubtitles' })
 legacyEntry(option)
 const factory: RuntimeFactory = runtime
 const pending: Promise<Result> = factory({})(art)
@@ -25,9 +32,11 @@ pending.then((result) => {
   const returned: void = result.tracks(['en'])
   result.tracks()
   result.reset()
+  // @ts-expect-error Selection methods stay synchronous after awaited registration.
+  const selectionPromise: Promise<void> = result.reset()
   // @ts-expect-error Selection names are strings.
   result.tracks([1])
-  void returned
+  void [returned, selectionPromise]
 })
 // @ts-expect-error Historical subtitles field remains required.
 legacy({})
@@ -51,5 +60,11 @@ runtime({ unknown: true })
 runtime({})()
 // @ts-expect-error Accurate runtime types cannot accept a synchronous registrar.
 const wrong: typeof runtime = replacement
-void [alias, absent, changed, wrong]
-export type { ActualResult, ExactFactory, ExactOptions, ExactResult, OldTrack }
+// @ts-expect-error Root replacement factories must not expose a required self alias.
+legacy.default(option)
+// @ts-expect-error Historical root result has only its name.
+old.tracks()
+// @ts-expect-error Historical root result has only its name.
+old.reset()
+void [alias, absent, changed, wrong, assignToOld, assignFromOld]
+export type { ActualResult, ExactFactory, ExactOptions, ExactResult, OldTrack, PublishedShape, RuntimeEntry }