# @univerjs/core

> Core runtime, data models, command system, dependency injection, and Facade APIs for Univer.

Latest version **1.0.1** (published 2026-09-24) · Apache-2.0 license · 0 weekly downloads

## Install

```sh
npm install @univerjs/core
pnpm add @univerjs/core
yarn add @univerjs/core
bun add @univerjs/core
```

## Health

**Score 80/100 (A)** — status: active.

Positive: has types; esm support; no vulnerabilities; has provenance; recently updated; high maintenance score; high quality score; popular repo.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 1.0.1 |
| Published | 2026-09-24 |
| First published | 2023-12-05 |
| Weekly downloads | 0 |
| License | Apache-2.0 |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 9 |
| Unpacked size | 4.2 MB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 14573 |
| Author | DreamNum Co., Ltd. <developer@univer.ai> |
| Maintainers | jikkai, wbfsa, mengshukeji |
| Keywords | univer, office-sdk, core, runtime, facade |

## Links

- npm: https://www.npmjs.com/package/@univerjs/core
- Repository: https://github.com/dream-num/univer
- Homepage: https://univer.ai
- Issues: https://github.com/dream-num/univer/issues
- Funding: https://opencollective.com/univer
- npm.io page: https://npm.io/package/@univerjs/core

## Dependencies (9)

- [rbush](https://npm.io/package/rbush.md) ^4.0.1
- [kdbush](https://npm.io/package/kdbush.md) ^4.1.0
- [ot-json1](https://npm.io/package/ot-json1.md) ^1.0.2
- [fast-diff](https://npm.io/package/fast-diff.md) 1.3.0
- [lodash-es](https://npm.io/package/lodash-es.md) ^4.18.1
- [async-lock](https://npm.io/package/async-lock.md) ^1.4.1
- [@wendellhu/redi](https://npm.io/package/@wendellhu/redi.md) 1.1.3
- [@univerjs/themes](https://npm.io/package/@univerjs/themes.md) 1.0.1
- [@univerjs/protocol](https://npm.io/package/@univerjs/protocol.md) 1.0.1

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## Recent versions

- 1.0.1 (latest) — 2026-09-24
- 1.0.0-rc.0 (rc) — 2026-09-10
- 1.0.0-beta.2 (beta) — 2026-08-22
- 1.0.0-insiders.20260813-7c9aa50 (insiders) — 2026-08-13
- 1.0.0-alpha.8 (alpha) — 2026-07-29
- 0.12.4-experimental.20251211-e01e32a (experimental) — 2025-12-11
- 0.12.3-nightly.202512060617 (nightly) — 2025-12-06
- 1.0.0 — 2026-09-23
- 0.25.2 — 2026-09-17
- 1.0.0-beta.1 — 2026-08-15
- 1.0.0-insiders.20260809-70eefdd — 2026-08-09
- 1.0.0-insiders.20260808-70eefdd — 2026-08-08
- 1.0.0-beta.0 — 2026-08-05
- 1.0.0-insiders.20260805-b15e7f3 — 2026-08-05
- 1.0.0-insiders.20260804-bf9a7c5 — 2026-08-04
- … 716 more at https://npm.io/package/@univerjs/core/versions

## README

# @univerjs/core

[![npm version](https://img.shields.io/npm/v/@univerjs/core?style=flat-square)](https://npmjs.com/package/@univerjs/core)
[![license](https://img.shields.io/npm/l/@univerjs/core?style=flat-square)](https://npmjs.com/package/@univerjs/core)
[![downloads](https://img.shields.io/npm/dm/@univerjs/core?style=flat-square)](https://npmjs.com/package/@univerjs/core)

`@univerjs/core` is the foundation of Univer. It provides the Univer runtime, dependency injection, command and mutation services, data models, configuration, localization, and the shared Facade entry point used by higher-level packages.

## Package Overview

| Package | UMD global | CSS | Locales | Facade entry |
| --- | --- | :---: | :---: | :---: |
| `@univerjs/core` | `UniverCore` | No | No | Yes |

## Installation

```sh
pnpm add @univerjs/core
# or
npm install @univerjs/core
```

Keep all `@univerjs/*` packages on the same version.

## Usage

```ts
import { LocaleType, Univer } from '@univerjs/core';

const univer = new Univer({
    locale: LocaleType.EN_US,
});
```

## Resources

- [Documentation](https://docs.univer.ai)
- [NPM package](https://npmjs.com/package/@univerjs/core)
- [GitHub repository](https://github.com/dream-num/univer)

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