Om
A ClojureScript UI framework and client/server architecture built on Facebook's React.
What is Om?
Om is a ClojureScript UI framework and client/server architecture built on top of Facebook's React. It provides developers with tools to create web applications that are inherently snapshotable and undoable, while simplifying the complexity of managing state between client and server. The framework integrates concepts from Relay, Falcor, and Datomic to offer a cohesive approach to building modern web interfaces.
ClojureScript developers building React-based web applications who need advanced state management and undo/snapshot capabilities. It's particularly suited for teams looking to leverage functional programming paradigms in their frontend architecture.
Developers choose Om for its built-in snapshotting and undo features that require minimal implementation effort, and its innovative approach to client/server state management that reduces incidental complexity. It combines the power of React with ClojureScript's functional programming strengths.
Overview
ClojureScript interface to Facebook's React
Use Cases
Best For
- Building snapshotable web applications with undo functionality
- Managing complex client/server state in ClojureScript apps
- Creating React interfaces with functional programming patterns
- Developing web applications that require robust state management
- Teams transitioning from JavaScript to ClojureScript for frontend development
- Projects needing integrated client/server architecture solutions
Not Ideal For
- Projects requiring active maintenance and regular updates from the library maintainers
- Teams not using ClojureScript or unwilling to adopt functional programming paradigms
- Simple applications where the overhead of Om's client/server architecture is unnecessary
- Developers seeking a large, active ecosystem with extensive third-party tooling
Pros & Cons
Pros
Om applications support snapshotting operations out of the box with minimal implementation overhead, as stated in the README, enabling easy state capture and restoration.
Provides undo capabilities for UI state changes without significant complexity, enhancing user experience and reducing development effort for history features.
Integrates ideas from Relay, Falcor, and Datomic pull syntax to simplify client/server state management, reducing incidental complexity in data flow.
Leverages React for UI building while using ClojureScript's functional programming strengths, offering a robust framework for scalable applications.
Cons
The README explicitly notes that Om is no longer under active development, meaning no updates, bug fixes, or official support from the maintainers.
Requires familiarity with ClojureScript, React, and advanced state management concepts, making it challenging for developers new to functional programming.
As an inactive project, it lacks modern third-party libraries, tools, and community resources compared to active alternatives like Fulcro.
Frequently Asked Questions
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