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Stencil

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description Stencil Overview

Stencil is an open-source web component compiler created by the Ionic team for building fast, reusable user interface elements. Unlike traditional monolithic frameworks, it generates standard web components that are framework-agnostic and can be integrated into React, Vue, or Angular projects. It leverages TypeScript and JSX to provide a familiar development environment while focusing on SEO, lazy-loading, and optimal runtime performance for developers building design systems.

help Stencil FAQ

What is the difference between Stencil and Ionic?

Stencil is actually created by the Ionic team, but it serves a different purpose. While Ionic is a UI toolkit for building mobile and web apps, Stencil is a compiler that generates standard web components. You can use Stencil independently to build reusable components that work in any framework.

Can Stencil components be used in React, Vue, and Angular?

Yes, Stencil generates framework-agnostic standard web components that can be integrated into React, Vue, or Angular projects. Because the output is native custom elements, they work across different frameworks without additional wrappers. This makes Stencil ideal for teams building shareable design systems.

Does Stencil use a virtual DOM like React?

Stencil does use a virtual DOM under the hood to efficiently render updates. However, unlike React, the final output is standard web components rather than React components. This gives you React-like performance without locking you into the React ecosystem.

Is Stencil open source and free to use?

Yes, Stencil is an open-source web component compiler maintained by the Ionic team. It is free to use under the MIT license. You can find the source code on GitHub and contribute to the project if you wish.

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