1/8/2024 0 Comments Mobx vs reduxWith mobx you dont need to use useState many times.It is more convenienient, than regular react state management for components with a complex state. Let’s take a look at a simplified version of the MealsStore used to drive the state of the calorie counter application.Mobx is a library for state management by applying functional reactive programming, it is very similar to observer pattern in OOP. Mutations in the data will cause reactions, like updating the dom. It makes updates to those observables through actions and derives data from your observables through computed values. Creating a MobX StoreĪ MobX store is just a class that holds the state of your application in observables. There is an option to log all state mutations to the console, another for highlighting renders, and one that allows you to click on a component in the dom to show its dependency tree. When enabled, this will provide a small toolbar in the upper right-hand of your application. To make use of MobX devtools, install mobx-react-devtools and render it in one of your React components. ![]() For examples of using MobX without decorators, check out their documentation. They also make your code much more readable. Their use with MobX is optional, but choosing not to use them means you miss out on one of MobX’s greatest strengths: minimal boilerplate. It should be noted that decorators in JavaScript are still a proposal and are subject to change. "babel-plugin-transform-decorators-legacy" The simplest is to eject your configuration and add the plugin to the Babel config in your package.json. If you use create-react-app to scaffold your project, there are a few ways to add support for decorators. If you want to use the fancy decorator syntax, you will also need to install an additional Babel plugin babel-plugin-transform-decorators-legacy and add it to your Babel plugins. To get started using MobX in your React application, install the library itself and another with the tools for utilizing it with React: MobX & MobX-React. You can see the application running here. To do that, I built a simple calorie counter application that will be used to showcase MobX in use. In this blog, we’ll take a closer look at an alternative that aims to solve issues in React application state: MobX. Redux is also very opinionated so it will take time for those unfamiliar with its functional programming paradigm to become comfortable with it. The most popular choice, Redux, is often thought of as verbose because it requires a lot of boilerplate code, thus slowing down development. Choosing the right one for your application can feel daunting. There are many options when it comes to managing the state of a React application. Please keep that in mind as you read the post. ![]()
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