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MobX vs vuex: What are the differences?

Introduction

MobX and Vuex: Key Differences

  1. State Management Approach: MobX is a state management library that uses observable data structures to automatically track and propagate changes. It follows a reactive programming paradigm, where the state updates are triggered by the changes in observed data. On the other hand, Vuex is a state management pattern and library for Vue.js applications. It uses a centralized store to manage the state and mutations to modify the state. Vuex follows a more traditional, imperative approach for state management.

  2. Integration with Frameworks: MobX is designed to work with any JavaScript framework, including React, Angular, and Vue.js. It provides bindings and extensions for these frameworks to simplify the integration process. On the other hand, Vuex is specifically built for Vue.js and provides seamless integration with Vue components. It leverages Vue's reactivity system and can be directly imported and used within Vue.js projects.

  3. API Complexity: MobX offers a simpler and more flexible API compared to Vuex. It allows you to define observables, reactions, and actions using decorators or plain JavaScript. MobX automatically tracks the dependencies and updates the affected components. Vuex, on the other hand, follows a more structured approach with predefined concepts like state, getters, mutations, and actions. While this provides more consistency and predictability, it can also introduce additional complexity, especially for larger applications.

  4. Mutations vs. Actions: In MobX, there is no explicit separation between mutations and actions. Any observable change can be considered as a mutation, and MobX automatically handles the reactivity and propagates the changes. On the contrary, Vuex clearly distinguishes between mutations and actions. Mutations are synchronous, and they are responsible for modifying the state, while actions are asynchronous and can contain any business logic. This clear separation in Vuex can provide better code organization and debugging capabilities.

  5. Devtools and Debugging: MobX offers well-developed devtools for inspecting and debugging the application state. It provides features like time-travel debugging, state snapshots, and component tracking. On the other hand, Vuex also provides devtools for Vue.js applications, which offer similar capabilities for inspecting the state and tracking state changes. However, these devtools are specifically tailored for Vue.js and might provide a more seamless debugging experience within Vue projects.

  6. Community and Ecosystem: MobX has a wider reach and is popular among developers from different JavaScript ecosystems. It has a large community and a range of third-party libraries and extensions. It is widely used in both small and large-scale projects. On the other hand, while Vuex is mainly used within the Vue.js community, it benefits from the vibrant Vue ecosystem. There are numerous Vue-specific plugins and tools that seamlessly integrate with Vuex, making it an attractive choice for Vue.js developers.

In Summary, MobX and Vuex differ in their state management approach, integration with frameworks, API complexity, separation of mutations and actions, devtools and debugging capabilities, and community and ecosystem support.

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Pros of MobX
Pros of vuex
  • 26
    It's just stupidly simple, yet so magical
  • 18
    Easier and cleaner than Redux
  • 15
    Fast
  • 13
    Automagic updates
  • 13
    React integration
  • 10
    Computed properties
  • 8
    ES6 observers and obversables
  • 7
    Global stores
  • 3
    Flexible architecture the requeriment
  • 1
    Has own router package (mobx-router)
  • 2
    Debugging
  • 2
    Zero-config time-travel
  • 2
    Centralized State Management
  • 1
    Easy to setup

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Cons of MobX
Cons of vuex
  • 1
    Maturity
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    What is MobX?

    MobX is a battle tested library that makes state management simple and scalable by transparently applying functional reactive programming (TFRP). React and MobX together are a powerful combination. React renders the application state by providing mechanisms to translate it into a tree of renderable components. MobX provides the mechanism to store and update the application state that React then uses.

    What is vuex?

    Vuex is a state management pattern + library for Vue.js applications. It serves as a centralized store for all the components in an application, with rules ensuring that the state can only be mutated in a predictable fashion. It also integrates with Vue's official devtools extension to provide advanced features such as zero-config time-travel debugging and state snapshot export / import.

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    What are some alternatives to MobX and vuex?
    Relay Framework
    Never again communicate with your data store using an imperative API. Simply declare your data requirements using GraphQL and let Relay figure out how and when to fetch your data.
    Knockout
    It is a JavaScript library that helps you to create rich, responsive display and editor user interfaces with a clean underlying data model. Any time you have sections of UI that update dynamically (e.g., changing depending on the user’s actions or when an external data source changes), it can help you implement it more simply and maintainably.
    GraphQL Cache
    A custom middleware for graphql-ruby that handles key construction and cache reads/writes transparently.
    Flux
    Flux is the application architecture that Facebook uses for building client-side web applications. It complements React's composable view components by utilizing a unidirectional data flow. It's more of a pattern rather than a formal framework, and you can start using Flux immediately without a lot of new code.
    Apollo
    Build a universal GraphQL API on top of your existing REST APIs, so you can ship new application features fast without waiting on backend changes.
    See all alternatives