zhangjian
2023-08-07 6b009b0f6d3ef3aee97c362cebcd679d1b9088a3
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import { Scheduler } from '../Scheduler';
import { SubscriptionLog } from './SubscriptionLog';
 
export class SubscriptionLoggable {
  public subscriptions: SubscriptionLog[] = [];
  // @ts-ignore: Property has no initializer and is not definitely assigned
  scheduler: Scheduler;
 
  logSubscribedFrame(): number {
    this.subscriptions.push(new SubscriptionLog(this.scheduler.now()));
    return this.subscriptions.length - 1;
  }
 
  logUnsubscribedFrame(index: number) {
    const subscriptionLogs = this.subscriptions;
    const oldSubscriptionLog = subscriptionLogs[index];
    subscriptionLogs[index] = new SubscriptionLog(
      oldSubscriptionLog.subscribedFrame,
      this.scheduler.now()
    );
  }
}