refactor(ads): [PKG-ADS-03] split TypeScript lifecycle and preserve legacy behavior

packages/artplayer-plugin-ads/src/resources.ts

@@ -0,0 +1,58 @@
+import type { Cleanup, Host } from './types'
+
+export function report(error: unknown): void {
+  console.warn('Artplayer Ads:', error)
+}
+
+export function createResources(host: Pick<Host, 'on' | 'off'>) {
+  const cleaners: Cleanup[] = []
+  let closed = false
+
+  function install(add: Cleanup, remove: Cleanup): void {
+    if (closed)
+      return
+    cleaners.push(remove)
+    try {
+      add()
+    }
+    finally {
+      // A custom host/target can destroy the owner while registration is executing.
+      if (closed)
+        remove()
+    }
+  }
+
+  return {
+    on(name: string, callback: Cleanup) {
+      const listener = () => {
+        if (!closed)
+          callback()
+      }
+      install(() => {
+        host.on(name, listener)
+      }, () => {
+        host.off(name, listener)
+      })
+    },
+    dom(target: EventTarget, name: string, callback: Cleanup) {
+      const listener = () => {
+        if (!closed)
+          callback()
+      }
+      install(() => target.addEventListener(name, listener), () => target.removeEventListener(name, listener))
+    },
+    dispose() {
+      if (closed)
+        return
+      closed = true
+      for (const clean of cleaners.splice(0).reverse()) {
+        try {
+          clean()
+        }
+        catch (error) { report(error) }
+      }
+    },
+  }
+}
+
+export type Resources = ReturnType<typeof createResources>