PACKAGE · META FRAMEWORK

solid-js

A declarative JavaScript library for building user interfaces.

WEEKLY DOWNLOADS 1.3M
STARS 35.6K
FORKS 1.1K
OPEN ISSUES 41
GZIP SIZE 8.6 kB
UNPACKED SIZE 1.1 MB
DEPENDENCIES 1
LAST UPDATED 3mo ago
DOWNLOAD TRENDS

solid-js downloads — last 12 months

Download trends for solid-js1 download series from Jun 2025 to May 2026. Use left and right arrow keys to inspect monthly values.02.6M5.2M7.8M10.4MJun 2025SepDecMarMay 2026
solid-js
ABOUT SOLID-JS

SolidJS is a declarative JavaScript library specifically designed for building high-performance user interfaces. It addresses the common challenge of managing complex UI state and rendering efficiently in modern web applications. By compiling components to fine-grained reactive primitives, SolidJS aims to provide the reactivity of modern frameworks without the runtime overhead often associated with virtual DOM diffing.

At its core, SolidJS is built around a philosophy of maximum performance and minimal size. It achieves this by leveraging fine-grained reactivity, which updates only the specific parts of the DOM that have changed, rather than re-rendering entire components. This makes it suitable for developers seeking highly optimized UIs, especially in performance-critical applications or environments with limited resources.

The library's key API patterns revolve around reactive primitives like signals, effects, and memos, often used within a JSX-like syntax. Unlike traditional component-based frameworks, SolidJS compiles JSX into direct DOM manipulations and reactive updates. This means components are not re-executed on updates; instead, only the reactive computations themselves run, leading to exceptional performance and predictable behavior.

SolidJS integrates well into various build workflows, supporting popular tools like Vite and Webpack. While it uses a JSX-like syntax, it is not tied to React's ecosystem and offers its own set of primitives and patterns. Its meta-framework category suggests compatibility or synergy with other tools designed for building complete applications, enabling server-side rendering and routing solutions.

With a minimal bundle size of just 8.6 kB (gzipped) and exceptional runtime performance, SolidJS stands out. Its compilation-driven approach eliminates virtual DOM overhead, contributing to its speed and efficiency. The project is mature, evidenced by its numerous GitHub stars (35.5K) and weekly downloads (2.5M), indicating a strong and active community.

Developers should be aware that SolidJS's reactive system is fundamentally different from frameworks like React or Vue. While this offers performance benefits, it requires a mental shift in how state and updates are managed. For those accustomed to imperative DOM manipulation or virtual DOM paradigms, understanding SolidJS's fine-grained reactivity and compilation model is crucial for effective utilization.

WHEN TO USE
  • When building highly interactive UIs that require frequent, granular updates without performance degradation.
  • For projects where minimizing runtime overhead and bundle size is a top priority, such as progressive web apps or embedded widgets.
  • When leveraging data-driven visualizations or dashboards that need to efficiently reflect real-time data changes.
  • In scenarios where maximum client-side rendering performance is critical, surpassing traditional virtual DOM libraries.
  • For developers seeking a reactive programming model with a JSX-like syntax that compiles away at build time.
  • When integrating with server-side rendering solutions that benefit from efficient client-side hydration.
WHEN NOT TO USE
  • If your team is deeply invested in the React ecosystem and requires seamless integration with its specific hooks and patterns; consider React's own ecosystem.
  • When you prefer an imperative DOM manipulation approach; SolidJS's declarative and reactive model may present a learning curve.
  • For applications where managing very simple, isolated state is the primary concern; built-in browser APIs or simpler state management libraries might suffice.
  • If you require direct compatibility with existing Vue.js or Angular component architectures; SolidJS has its own distinct API.
  • When the build process needs to be extremely simple and cannot accommodate a compilation step; SolidJS relies on compilation for its performance gains.

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