refactor(core): CORE-19 type capture and preserve progress lifetimes

test/types/thumbnails.ts

@@ -0,0 +1,29 @@
+import type { ThumbnailsHost } from '../../packages/artplayer/src/player/thumbnailsMix'
+import type { ThumbnailGeometry } from '../../packages/artplayer/src/thumbnails/layout'
+import type Artplayer from '../../packages/artplayer/types/artplayer'
+import type { Thumbnails } from '../../packages/artplayer/types/option'
+import { loadImg, loadThumbnailImage } from '../../packages/artplayer/src/image/load'
+import ResourceScope from '../../packages/artplayer/src/lifecycle/scope'
+import thumbnailsMix from '../../packages/artplayer/src/player/thumbnailsMix'
+import { thumbnailLayout } from '../../packages/artplayer/src/thumbnails/layout'
+
+declare const art: Artplayer
+declare const host: ThumbnailsHost
+declare const geometry: ThumbnailGeometry
+const scope = new ResourceScope()
+const installed: void = thumbnailsMix(host)
+const option: Thumbnails = { url: 'sprite.png', column: 10, number: 100 }
+art.thumbnails = option
+const current: Thumbnails = art.thumbnails
+const image: Promise<HTMLImageElement> = loadImg('sprite.png', 0.5)
+const preview: Promise<HTMLImageElement | undefined> = loadThumbnailImage('sprite.png', 0.5, scope)
+const layout = thumbnailLayout(option, geometry)
+const width: string = layout.width
+const left: number | string = layout.left
+// @ts-expect-error Scale remains a number.
+loadImg('sprite.png', 'half')
+// @ts-expect-error Thumbnail configuration requires a URL.
+art.thumbnails = { number: 100 }
+// @ts-expect-error An owned request may be cancelled before producing an image.
+const guaranteed: Promise<HTMLImageElement> = loadThumbnailImage('sprite.png', 1, scope)
+export { current, guaranteed, image, installed, left, preview, width }