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

test/types/screenshot.ts

@@ -0,0 +1,18 @@
+import type { CaptureMedia } from '../../packages/artplayer/src/capture/frame'
+import type { ScreenshotHost } from '../../packages/artplayer/src/player/screenshotMix'
+import type Artplayer from '../../packages/artplayer/types/artplayer'
+import screenshotMix from '../../packages/artplayer/src/player/screenshotMix'
+
+declare const art: Artplayer
+declare const host: ScreenshotHost
+declare const video: HTMLVideoElement
+const media: CaptureMedia = video
+const data: Promise<string> = art.getDataURL()
+const blob: Promise<string> = art.getBlobUrl()
+const screenshot: Promise<string> = art.screenshot('frame')
+const installed: void = screenshotMix(host)
+// @ts-expect-error Screenshot names remain strings.
+art.screenshot(123)
+// @ts-expect-error Captures return promises, not synchronous data URLs.
+const sync: string = art.getDataURL()
+export { blob, data, installed, media, screenshot, sync }