Store Management in React / Angular such as Redux / NgRx
Store Management A Store (state) management library (such as Redux, Angular-Redux, NgRx etc.) gives you a convenient way to Model your application state, derive computed values from it, Monitor it for changes. Store management solves the extraneous props / inputs issue in components hierarchy. If we try to solve those scenarios with event emitters like Angular @Input() / @Output(), we will easily end up with event soup scenarios, where the events chain themselves in unexpected ways, and it becomes hard to reason about the application. It solves the problem of component interaction via the Observable pattern It provides a client-side cache if needed, to avoid doing repeated Ajax requests It provides a place to put temporary UI state, as we fill in a large form or want to store search criteria in a search form when navigating between router views It solves the problem of allowing modification of client side transient data by multiple actors ...