Head-to-Head: Harlem vs Xstate Analysis


v3.1.8(about 1 year ago)

This package was last published over a year ago. It may not be actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 1Monthly npm downloads

@harlem/core is a state management library for JavaScript applications, offering a simple and efficient way to manage application state. It provides a centralized store for managing data and state changes, using a reactive approach to update components when the state changes. @harlem/core is lightweight and easy to integrate into projects, offering features like actions, mutations, and getters for manipulating state.


Tags: javascriptstate-managementreactivestoreactions


v5.13.2(9 days ago)

This package is actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 0Monthly npm downloads

XState is a JavaScript library for creating state machines and statecharts. It provides a declarative way to manage application state, transitions, and side effects, making it easier to build complex, predictable, and scalable applications. XState allows you to model your application's behavior using finite state machines, enabling better organization and visualization of state logic.


Tags: javascriptstate-managementstate-machinesstatechartsdeclarative



XState is a widely popular state management library with a large and active community. It has gained a lot of popularity due to its powerful features and versatility. On the other hand, @harlem/core is a relatively new library and is less known in comparison. It has started to gain some attention, but it may not have the same level of community support as XState.


Both @harlem/core and XState are state management libraries, but they approach state management in different ways. XState is a finite state machine library that provides a declarative way to define and manage state and transitions. It is well-suited for complex state management scenarios. @harlem/core, on the other hand, is a lightweight and minimalistic global state management library that follows a store-like pattern. It is designed for simpler state management needs.

Integration with React

Both @harlem/core and XState can be used with React, but they have different integration approaches. XState provides extensive React integration with hooks and support for component-level state machines. @harlem/core is designed specifically for React and provides a simple and intuitive API for managing global state within a React application.

Developer Experience

XState is known for its excellent developer experience. It offers strong typing support, powerful debugging tools, and a mature API. It also has comprehensive documentation and a large ecosystem of extensions and integrations. @harlem/core aims to provide a minimalistic and straightforward API, which can be a good choice for developers who prefer simplicity and are looking for a lightweight state management solution within a React application.

Learning Curve

XState has a steeper learning curve due to its finite state machine approach and more advanced concepts. It requires a solid understanding of state machines and a paradigm shift in how state is managed. @harlem/core, being a simpler library, has a lower learning curve and is easier to get started with, especially for developers already familiar with React's component-based state management.