refactor(core): CORE-18 type builtins and own prompt lifetimes

packages/artplayer/src/info/poll.ts

@@ -0,0 +1,71 @@
+import type { SubscriptionHost } from '../component/resources'
+import type { ComponentHost } from '../component/types'
+import type ResourceScope from '../lifecycle/scope'
+import { isClosing } from '../lifecycle/instance'
+import { timeout } from '../lifecycle/resources'
+
+export interface InfoHost extends ComponentHost, SubscriptionHost<{ destroy: [] }> {
+  template: { $player: HTMLElement, $infoPanel: HTMLElement, $infoClose: HTMLElement, $video: object }
+  constructor: { INFO_LOOP_TIME: number }
+  proxy: ComponentHost['events']['proxy']
+}
+
+export function pollInfo(art: InfoHost, scope: ResourceScope, close: () => void): void {
+  const active = () => !scope.closed && !isClosing(art)
+  const fail = (error: unknown): never => {
+    try {
+      scope.dispose()
+    }
+    catch (cleanupError) {
+      console.warn('Failed to release info polling resources:', cleanupError)
+    }
+    throw error
+  }
+  try {
+    const { proxy, constructor, template: { $infoPanel, $infoClose, $video } } = art
+    const cleanup = proxy($infoClose, 'click', () => {
+      if (active())
+        close()
+    })
+    scope.add(() => {
+      art.events.remove(cleanup)
+    })
+    const items = Array.from($infoPanel.querySelectorAll<HTMLElement>('[data-video]'))
+    const destroy = () => scope.dispose()
+    art.on('destroy', destroy)
+    scope.add(() => {
+      art.off('destroy', destroy)
+    })
+    const loop = () => {
+      try {
+        for (const item of items) {
+          if (!active())
+            return
+          const value: unknown = Reflect.get($video, item.dataset.video ?? 'undefined')
+          if (!active())
+            return
+          const raw = typeof value === 'number' ? value.toFixed(2) : value
+          if (!active())
+            return
+          if (item.textContent !== raw) {
+            // Match the DOM nullable-string conversion, including Symbol errors.
+            const text = raw == null ? null : `${raw}`
+            if (!active())
+              return
+            item.textContent = text
+          }
+        }
+        if (active())
+          timeout(scope, loop, constructor.INFO_LOOP_TIME)
+      }
+      catch (error) {
+        fail(error)
+      }
+    }
+    if (active())
+      loop()
+  }
+  catch (error) {
+    fail(error)
+  }
+}