# @lezer/common

> Syntax tree data structure and parser interfaces for the lezer parser

Latest version **1.5.2** (published 2026-04-08) · MIT license · 0 weekly downloads

## Install

```sh
npm install @lezer/common
pnpm add @lezer/common
yarn add @lezer/common
bun add @lezer/common
```

## Health

**Score 45/100 (D)** — status: active.

Positive: no vulnerabilities.

Warnings: low downloads; no types; no esm support.

## Facts

| | |
|---|---|
| Version | 1.5.2 |
| Published | 2026-04-08 |
| First published | 2021-08-11 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 0 |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 69 |
| Author | Marijn Haverbeke |
| Maintainers | marijn |

## Links

- npm: https://www.npmjs.com/package/@lezer/common
- Repository: https://code.haverbeke.berlin/lezer/common
- npm.io page: https://npm.io/package/@lezer/common

## Recent versions

- 1.5.2 (latest) — 2026-04-08
- 1.5.1 — 2026-02-03
- 1.5.0 — 2025-12-22
- 1.4.0 — 2025-11-28
- 1.3.0 — 2025-10-17
- 1.2.3 — 2024-10-16
- 1.2.2 — 2024-10-02
- 1.2.1 — 2024-01-16
- 1.2.0 — 2023-12-28
- 1.1.2 — 2023-12-07
- 1.1.1 — 2023-11-10
- 1.1.0 — 2023-09-19
- 1.0.4 — 2023-08-17
- 1.0.3 — 2023-06-02
- 1.0.2 — 2022-11-23
- … 17 more at https://npm.io/package/@lezer/common/versions

## README

# @lezer/common

[ [**WEBSITE**](http://lezer.codemirror.net) | [**ISSUES**](https://github.com/lezer-parser/lezer/issues) | [**FORUM**](https://discuss.codemirror.net/c/lezer) | [**CHANGELOG**](https://github.com/lezer-parser/common/blob/master/CHANGELOG.md) ]

[Lezer](https://lezer.codemirror.net/) is an incremental parser system
intended for use in an editor or similar system.

@lezer/common provides the syntax tree data structure and parser
abstractions for Lezer parsers.

Its programming interface is documented on [the
website](https://lezer.codemirror.net/docs/ref/#common).

This code is licensed under an MIT license.

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