Overmind
frictionless state management
Web application development is about defining, changing and consuming state to produce a user experience. Overmind aims for a developer experience where that is all you focus on, reducing the orchestration of state management to a minimum. Making you a happier and more productive developer!
APPLICATION INSIGHT
Develop the application state, effects and actions without leaving VS Code, or use the standalone development tool. Everything that happens in your app is tracked and you can seamlessly code and run logic to verify that everything works as expected without necessarily having to implement UI.
A SINGLE STATE TREE
Building your application with a single state tree is the most straight forward mental model. You get a complete overview, but can still organize the state by namespacing it into domains. This gives you the benefit of being able to explore all the state of your application from a single point. With Typescript it is even documented. The devtools allows you to edit and mock out state.
SEPARATION OF LOGIC
Separate 3rd party APIs and logic not specific to your application by using effects. This will keep your application logic pure and without low level APIs cluttering your code.
SAFE AND PREDICTABLE CHANGES
When you build applications that perform many state changes things can get out of hand. In Overmind you can only perform state changes from actions and all changes are tracked by the development tool. Even effects and reactions are tracked.
COMPLEXITY TOOLS
Even though Overmind can create applications with plain state and actions, you can use opt-in tools like functional operators, statemachines and state values defined as a class, to manage complexities of your application.
SNAPSHOT TESTING OF LOGIC
Bring in your application configuration of state, effects and actions. Create mocks for any effects. Take a snapshot of mutations performed in an action to ensure all intermediate states are met.
WE WROTE THE TYPING
Overmind has you covered on typing. If you choose to use Typescript the whole API is built for excellent typing support. You will not spend time telling Typescript how your app works, Typescript will tell you!
RUNNING CODESANDBOX
Overmind is running the main application of codesandbox.io. Codesandbox, with its state and effects complexity, benefits greatly combining Overmind and Typescript.
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