Common Angular Gotchas
summary
Covers concrete Angular fixes: identifies memory leaks from DOM event listeners and router observables and shows three fixes—manual unsubscribe in ngOnDestroy, consolidating with Subscription.add, and using takeUntil with a Subject (complete the subject in ngOnDestroy); also recommends the async pipe to auto-unsubscribe. On performance, measures initial bundle size and fixes slow boot by splitting routes with loadChildren/import() lazy loading and using PreloadAllModules to warm modules after bootstrap.
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