uber
baseweb
TypeScript

A React Component library implementing the Base design language

Last updated Jul 7, 2026
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README

Base Web React Components

โš ๏ธ Maintenance status. We are limiting our engagement with this repository while still mirroring our internal development. For more details, please check Open Source Engagement and Future. If you are an Uber developer and looking to open an issue, use this link or contribute.

Base is a design system comprised of modern, responsive, living components. Base Web is the React implementation of Base.

Usage

On npm, you can find Base Web as baseui.

Add baseui and its peer dependencies to your project:

# using pnpm
pnpm add baseui@next styletron-react styletron-engine-monolithic

using npm

npm install baseui@next styletron-react styletron-engine-monolithic
import { Client as Styletron } from "styletron-engine-monolithic";
import { Provider as StyletronProvider } from "styletron-react";
import { LightTheme, BaseProvider, styled } from "baseui";
import { StatefulInput } from "baseui/input";

const engine = new Styletron();

const Centered = styled("div", { display: "flex", justifyContent: "center", alignItems: "center", height: "100%", });

export default function Hello() { return ( <StyletronProvider value={engine}> <BaseProvider theme={LightTheme}> <Centered> <StatefulInput /> </Centered> </BaseProvider> </StyletronProvider> ); }

Both Base Web and Styletron come with TypeScript.

Docs

To read the documentation, please visit baseweb.design. To preview more component examples, please visit baseweb.design/ladle.

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