# mongodb-log-writer

> A library for writing MongoDB logv2 messages

Latest version **3.0.4** (published 2026-10-15) · Apache-2.0 license · 0 weekly downloads

## Install

```sh
npm install mongodb-log-writer
pnpm add mongodb-log-writer
yarn add mongodb-log-writer
bun add mongodb-log-writer
```

## Health

**Score 75/100 (B)** — status: active.

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

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 3.0.4 |
| Published | 2026-10-15 |
| First published | 2021-09-02 |
| Weekly downloads | 0 |
| License | Apache-2.0 |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 1 |
| Unpacked size | 42.7 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 24 |
| Author | MongoDB Inc |
| Maintainers | satyasinha, kristina.stefano, jarjee, devtoolsbot, mongo-j, nbbeeken, dbx-node, devtools-npm-user |
| Keywords | mongodb, log, logv2 |

## Links

- npm: https://www.npmjs.com/package/mongodb-log-writer
- Repository: https://github.com/mongodb-js/devtools-shared
- Issues: https://jira.mongodb.org/projects/COMPASS/issues
- npm.io page: https://npm.io/package/mongodb-log-writer

## Dependencies (1)

- [heap-js](https://npm.io/package/heap-js.md) ^2.7.1

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## Recent versions

- 3.0.4 (latest) — 2026-10-15
- 3.0.3 — 2026-10-02
- 3.0.2 — 2026-09-29
- 3.0.1 — 2026-09-09
- 3.0.0 — 2026-09-09
- 2.5.16 — 2026-09-07
- 2.5.15 — 2026-09-07
- 2.5.14 — 2026-07-24
- 2.5.13 — 2026-05-07
- 2.5.12 — 2026-05-03
- 2.5.11 — 2026-05-01
- 2.5.10 — 2026-04-23
- 2.5.9 — 2026-04-22
- 2.5.8 — 2026-04-16
- 2.5.7 — 2026-03-27
- … 32 more at https://npm.io/package/mongodb-log-writer/versions

## README

# mongodb-log-writer

A library for writing MongoDB logv2 messages.

```js
import { MongoLogManager, mongoLogId } from 'mongodb-log-writer';

const manager = new MongoLogManager({
  directory: os.homedir() + '/.app-logs',
  retentionDays: 30,
  onwarn: console.warn,
  onerror: console.error,
  gzip: true,
});
await manager.cleanupOldLogfiles();

const writer = manager.createLogWriter();
writer.info('component', mongoLogId(12345), 'context', 'message', {
  foo: 'bar',
});
```

## LICENSE

Apache-2.0

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