refactor(core): CORE-17 type input events and own interaction lifetimes

test/types/hotkey.ts

@@ -0,0 +1,18 @@
+import type { HotkeyHost } from '../../packages/artplayer/src/input/hotkey-types'
+import Hotkey from '../../packages/artplayer/src/hotkey'
+
+declare const host: HotkeyHost & { extension: string }
+const keys = new Hotkey(host)
+keys.add('KeyK', function (event) {
+  const extension: string = this.extension
+  const code: string = event.code
+  return { extension, code }
+}).remove('KeyK', () => {})
+const same: typeof host = keys.art
+// @ts-expect-error Keyboard callbacks receive a keyboard event.
+keys.add('KeyK', (event: MouseEvent) => event.clientX)
+// @ts-expect-error The callback receiver preserves the host extension type.
+keys.add('KeyK', function (this: { extension: number }) {
+  return this.extension
+})
+export { same }