About MobX
MobX is an open source library for reactive state management in JavaScript and TypeScript apps. It tracks which data is read and updates only the parts of the app that depend on it.
What it does
MobX observes your state at runtime and builds a dependency graph from how code reads it. When data changes, the computed values and reactions that depend on it update automatically. You can assign new values with normal JavaScript, and it has React bindings, although it is not tied to any UI framework.
Key features
- Observable state updated with plain assignments
- Computed values that update automatically
- Reactions for side effects
- React integration through its own bindings
- Works without a UI framework
Who it's for
Developers who want state management with little boilerplate and automatic rendering updates. It suits teams that want state logic kept outside the UI layer.
Pricing and good to know
MobX is free and open source under the MIT license. Its reactive model takes time to learn, especially around actions and how changes are tracked. The documentation includes migration guides from earlier major versions.
Highlights
- Observable state updated with plain assignments
- Computed values that update automatically
- Reactions that run when tracked data changes
- React integration through its own bindings
- Works with or without a UI framework
