Ember Subs -

// Unsubscribe (important!) this.eventBus.off('data-updated', this, this.handleUpdate);

#if this.priceFeed.isConnected Current price: this.priceFeed.currentPrice else Connecting... /if ✅ No manual observers – just tracked properties and lifecycle hooks. 4. Subscriptions with Ember Data (Live Queries) If your backend pushes changes via WebSockets, update the store directly: ember subs

willDestroy() super.willDestroy(...arguments); this.priceFeed.disconnect(); // Unsubscribe (important

// Subscribe this.eventBus.on('data-updated', this, this.handleUpdate); // Unsubscribe (important!) this.eventBus.off('data-updated'