# @fluentui/utilities

> Fluent UI React utilities for building components.

Latest version **8.17.2** (published 2025-12-10) · MIT license · 0 weekly downloads

## Install

```sh
npm install @fluentui/utilities
pnpm add @fluentui/utilities
yarn add @fluentui/utilities
bun add @fluentui/utilities
```

## Health

**Score 65/100 (B)** — status: stable.

Positive: has types; esm support; no vulnerabilities; high maintenance score; popular repo.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 8.17.2 |
| Published | 2025-12-10 |
| First published | 2020-10-23 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 5 |
| Unpacked size | 4.4 MB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 20283 |
| Maintainers | chrisdholt, miroslavstastny, levithomason, uifabricteam, uifrnbot, layershifter, justslone, microsoft1es, sopranopillow |

## Links

- npm: https://www.npmjs.com/package/@fluentui/utilities
- Repository: https://github.com/microsoft/fluentui
- Homepage: https://github.com/microsoft/fluentui#readme
- Issues: https://github.com/microsoft/fluentui/issues
- npm.io page: https://npm.io/package/@fluentui/utilities

## Dependencies (5)

- [tslib](https://npm.io/package/tslib.md) ^2.1.0
- [@fluentui/set-version](https://npm.io/package/@fluentui/set-version.md) ^8.2.24
- [@fluentui/merge-styles](https://npm.io/package/@fluentui/merge-styles.md) ^8.6.14
- [@fluentui/dom-utilities](https://npm.io/package/@fluentui/dom-utilities.md) ^2.3.10
- [@fluentui/react-window-provider](https://npm.io/package/@fluentui/react-window-provider.md) ^2.3.2

## Recent versions

- 8.17.2 (latest) — 2025-12-10
- 7.38.2 (lts-7) — 2022-10-31
- 8.0.0-beta.15 (beta) — 2021-02-22
- 8.17.1 — 2025-11-11
- 8.17.0 — 2025-10-23
- 8.16.1 — 2025-10-16
- 8.16.0 — 2025-10-09
- 8.15.23 — 2025-08-14
- 8.15.22 — 2025-05-16
- 8.15.21 — 2025-05-08
- 8.15.20 — 2025-02-21
- 8.15.19 — 2024-10-11
- 8.15.18 — 2024-10-08
- 8.15.17 — 2024-10-02
- 8.15.16 — 2024-09-30
- … 99 more at https://npm.io/package/@fluentui/utilities/versions

## README

# @fluentui/utilities

**Utilities for [Fluent UI React](https://developer.microsoft.com/en-us/fluentui)**
([formerly Office UI Fabric React](https://developer.microsoft.com/en-us/office/blogs/ui-fabric-is-evolving-into-fluent-ui/))

This package includes a number of basic utility functions required by most Fluent UI React components.

See [GitHub](https://github.com/microsoft/fluentui) for more details on the Fluent UI React project and packages within.

---
_Source: https://npm.io/package/@fluentui/utilities · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._