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State management libraries provide a solution to this problem by providing a centralized store for storing state that can be used across components even if the components are unrelated. As opposed to passing props down the tree, which can become really complex for deeply nested components. Some popular state management libraries for Vue are: Vuex, Redux, Mobx, and vue-stash.
Lastly, this is an optional step but very recommended: vue-devtools is a browser plugin that makes it easier to debug Vue.js applications, head over here to download and install the extension compatible for your browser.
In this article, we have looked at the major concepts of Vuex: state, mutations, getters, actions, and how to integrate them into a Vue application. This is enough to get you going in creating Vue applications with Vuex, there are other advanced concepts not covered so be sure to check out the docs. The code for this article is available in this repo.
Vuex is a state management library and state management pattern geared towards Vue applications. It makes managing state in Vue applications easier by providing a central storage for the state (and other computations) called a store. That way you can keep that business logic away from your components. Vuex is inspired by other state management libraries like Flux and Redux which advocate for the separation of a shared state, the major difference between Vuex and these libraries is Vuex is geared more towards the reactive system of Vue.js