This was a big no-no for our application since it is data-heavy and will keep on growing in the future. I had no idea of the useSagaReducer hook, pretty cool! So I would learn React first, try to get a job, and have fun with Svelte in my spare time. Hooks didn’t give us magical new state capabilities. Hey, Alexandru-Dan-Pop, I had an interview last week in which the interviewer asked about redux 3 principles. I wonder if there are big apps out there build with Svelte. Good luck! When working with people newer to the React ecosystem and you don't really need the things from the Redux ecosystem I would go with Context API. I did try both and as a beginner I prefer to go with Context API because it is so easy to get started with and there is no external package to install but after reading this post I understand why Redux might be the best choice for bigger project. I have another blog post which details Redux architecture in more depth. Coupled with the fact that, as your application gets bigger, you probably want Redux anyway, I wonder why then not choose Redux right away. I'm now considering diving in Redux deeper to get more job opportunities later! The good news is that our official Redux Toolkit package eliminates all the "boilerplate" around using Redux. The state it cares about is shared between components, not localized to a single component, it’s persisted rather than ephemeral, and it potentially spans multiple page views or sessions. It’s fine to put everything in Redux if you need to. And since I feel like states should be as simple and as local as possible, that's a big win. (Isolation of effects is why I prefer redux-saga over thunks). I can bearly see how to compare those two, As of 2020 I keep reading everywhere that Redux should be used anymore, but I fail to find what to replace it with. After a three year's of redux/mobx and some apollo, effector is just a breath of fresh air for me.. Using component state would have meant using a class component, setting initial state with the class instance property syntax (or a constructor function), and so on — too much added complexity just to avoid Redux. It's not, if used correctly it's a very good state manager & makes code easier to test and more maintainable. I would say Redux is a good candidate for applications of high complexity. They focus too much on the boilerplate code, but in reality, it's that boilerplate code that makes maintaining the application a breeze. I would not require an API team to build a GraphQL API only for a frontend application. To understand what I mean by that, we’ll need a better understanding of why we might consider Redux in the first place. Regards. React if used with redux will make the app really scalable and well maintainable. so i think good to know about redux, redux-saga and choose lightest state management for your app - depend complexity. You can and should use React hooks to get deterministic state updates, but that’s always been a feature of React, and Redux’s deterministic state model plugs nicely into it. Otherwise, I prefer how the hooks API reads. He enjoys a remote lifestyle with the most beautiful woman in the world. When that state needs to be shared it can be lifted in a Context or in Redux. Redux is such a boilerplate and requires a bunch of libraries. But when you are dealing with an application that will grow and be used by many users, you need a convention defined for you and your team to follow. It is designed to work with React's component model. Context is just a dumb provider of storing data in a React Component that is then passing it to anywhere in a React tree. It’s also essentially a subset of the Flux Architecture which is more opinionated about how state changes are made. As co-founder of EricElliottJS.com and DevAnywhere.io, he teaches developers essential software development skills. Are you using Redux or Context API? I think that's where the biggest pitfalls are. I love redux but whenever I post anything about, I get a lot of criticism which I really don't care about. Give a try to Effector. We strive for transparency and don't collect excess data. Redux adds an extra layer of complexity to our application that we carefully need to weight. Redux toolkit is a game-changer. Redux is a library and a pattern for separating your state update logic from the rest of your app, and making it easy to trace when/where/why/how your state has changed. Tests are the foundation of good software. I also feel like redux 'handles' global state in a much more maintable way for larger applications. Thanks for this Alexandru! No. Don't do this: An exhaustive list of Redux best practices and things to avoid can be found here - compiled by the Redux maintainers. When using these libraries, it’s good to know which to use when. While I've avoided Redux in my own projects for over a year now, and would personally reach for easy-peasy if I did feel like I needed Redux (I never want to look at Redux boilerplate PLUS Saga boilerplate again, just to do async at that), it's still important to know if you're looking for work (there's a good chance it'll be your employer's state management of choice). Can you please tell me those three principles?. We're a place where coders share, stay up-to-date and grow their careers. Little did they know is that without setting Context API properly, it could affect the entire application's performance. server state - think if what you are storing is just server state instead of global application state, and in those cases consider solutions as react-query or swr. With Redux, it allows my team and I to debug the application easily, separate the UI layer away from the data, and be able to understand what is going with the application at all times. Redux enforces “Non mutating State”. When you can manage and understand the state, the actions and the UI separately in your application, only then will you appreciate Redux's beauty. It is the tooling and mindset of Redux that many developers do not understand why it is such a great library. It's an alternative for classic callbacks to parent at most. Setting up a useReducer at the root of my app and then providing it with Context is a very simple way to get state management running. Please consider using learning materials from the official Redux website and Mark's blog. Since the hooks API was introduced, I have stopped using: You don’t always need Redux for every app, or every component. For example if you want to store user data in your app then you manually need to pass it from parent to child and in case no of child tree is too much it become really difficult to handle because some time middle child don’t even use that data. As a Redux user, I want to settle the war between Context API & Redux. Since I was already using Redux in all my non-trivial apps, the choice was simple: Redux (almost) all the things! Redux aside, there are a ton of other very cool state management libraries like MobX, Recoil, Zustand, and many more. Built on Forem — the open source software that powers DEV and other inclusive communities. Maybe not but context api might do the same thing to redux that react did to jquery. You can now clearly see the difference between Redux and React Context through their implementations on our project. However I ran into the problems of testing that I mentioned above. As I just linked above, check out our official Redux Toolkit package if you haven't yet seen it. Once this initial setup is done, you can use it normally as Redux. Leave a & if you like this article, also check out my Twitter where I post more cool content. For example, making form data global - that's just silly. There is also this issue here: github.com/sveltejs/svelte/issues/... . You should avoid duplicating state if possible and instead derive it where needed. Convention does. With tools like the react-redux hooks API, and React’s useReducer hook, there’s no need to choose one over the other. Redux is not going away anytime soon many companies still expect React developers to at least know a state library like Redux. You can and should use React hooks to get deterministic state updates, but that’s always been a feature of React, and Redux’s deterministic state model plugs nicely into it. It lets your React components read data from a Redux store, and dispatch actions to the store to update data. The thing is, only more people are using this, there can be more contribution for bug fix or extra libraries. This is called props drilling and this is avoided by using a global store which is accessible to whole app. The problem Redux wanted to solve is predictable state updates. const [nameInput, setName] = useState(name); // `page` is a Higher Order Component composed of many, EricElliottJS - Online JavaScript Training. It’s a container component that delegates DOM concerns to an imported presentation component. I came across a problem where Context API would re-render every child components that it wrapped. , that's exactly why we created Redux Toolkit, Working with .Net Core & React - what I've learned, Creating time - The dev superpower you didn't know you had, unidirectional data flow makes it deterministic, Basic action creator functions (non-thunk), no need to understand any extra libraries, no extra libs to clutter the bundle size. ⚔️. Redux is offering this feature, but in plain React we would have to implement it ourselves. Context is not a "state management" tool. You can have many different pieces of state, each with their own single source of truth. It includes utilities to simplify several common Redux use cases, including store setup, defining reducers, immutable update logic, and even creating entire "slices" of state at once It also sets up the thunk middleware by default, catches accidental mutations, and more. You shouldn’t worry about performance unless it becomes an issue, but when you do, try both ways and see if it has an impact. Redux prevents shared mutable state via encapsulation (you should not be mutating app state directly outside of reducers, instead, Redux handles state updates) and message passing (only dispatched action objects can trigger state updates). Also when the libraries in the Redux ecosystem make sense (for example - if sagas make it easier to reason about complex async flows). Its only purpose is to make a single value accessible to a nested tree of React components. . When applications grow past a certain size, it is pretty obvious no engineer will know exactly what all modules & tiny pieces do. I just published a brand-new "Redux Essentials" core docs tutorial, which beginners "how to use Redux, the right way", using our latest recommended tools and practices like RTK and the React-Redux hooks API. However this is pretty much entirely a preference I don't think it's impossible to use Context API/state I think you might just have to be a bit more delligent with how you design your application. I just have to follow whatever they prefer, right? Naturally, I started with Redux, but went on to implement state management in Context. Its framework agnostic tiny reactive library, wich come with selectors and thunks/sagas out of the box. Templates let you quickly answer FAQs or store snippets for re-use. That’s how React affords deterministic view rendering, and is literally one of the driving motivations for the creation of React. In my view, there is little overlap between hooks and Redux. Redux has really matured, so I know what I'll choose for my next project. You can also get state from other sources, like the browser APIs for the current location href. React hooks will serve you well in those cases. Component state for component state, Redux for application state. That's where tests come into place. It seems there are some relatively big apps, but they're not widely known. :). Use both. and React, Redux, and Context Behavior.

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