fix(dash): [PKG-DASH-CLEANUP-01] preserve first cleanup exception

packages/artplayer-plugin-dash-control/src/cleanup.ts

@@ -0,0 +1,21 @@
+import type { Cleanup, Valid } from './types'
+
+export function runCleanups(actions: Cleanup[], current: Valid = () => true): void {
+  let failed = false
+  let failure: unknown
+  for (const action of actions) {
+    if (!current())
+      break
+    try {
+      action()
+    }
+    catch (error) {
+      if (!failed) {
+        failed = true
+        failure = error
+      }
+    }
+  }
+  if (failed)
+    throw failure
+}