Package
unionfs
Use multiple `fs` modules in a union.
Key numbers
As of 25 Sept 2026
- Weekly downloads
- 2.3m
- +422% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 1
- Direct, from package.json
- Last release
- 1 year ago
- v4.6.0
- GitHub stars
- 238
- 24 forks
- Open issues / PRs
- 16 / 8
- Contributors
- -
- Commits, last 52 weeks
- 0
Downloads
Last week 2026-09-15 to 2026-09-21
2,283,424 downloads last week, 11,547,232 in the last month. The 12-month change of +422% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 030 in total
- Latest version
- 4.6.0, 18 Jul 20251 year ago
- First published
- 14 Jun 2015
- Last push to GitHub
- 17 Sept 2025373 days before the snapshot
- Repository archived
- No
- Open issues
- 16
- Open pull requests
- 8
- Commits, last 52 weeks
- 0
- Dependents on npm
- 78
Major versions
- v4 first release 4.0.0, 30 Jan 2019
- v3 first release 3.0.1, 1 Dec 2017
- v2 first release 2.0.0, 13 Aug 2017
- v0 first release 0.0.1, 14 Jun 2015
Recent releases
| Version | Published |
|---|---|
| 4.6.0 | 18 Jul 2025 |
| 4.5.4 | 19 Mar 2024 |
| 4.5.3 | 19 Mar 2024 |
| 4.5.2 | 19 Mar 2024 |
| 4.5.1 | 3 Jun 2023 |
| 4.5.0 | 2 Jun 2023 |
| 4.4.0 | 12 Mar 2020 |
| 4.3.2 | 17 Feb 2020 |
| 4.3.1 | 15 Feb 2020 |
| 4.3.0 | 15 Feb 2020 |
| 4.2.1 | 19 Dec 2019 |
| 4.2.0 | 2 Mar 2019 |
| 4.1.0 | 1 Mar 2019 |
| 4.0.0 | 30 Jan 2019 |
- Module format
- CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- Not declared
- Runtimes
- -
- Unpacked size (npm)
- 40 kB
- Dependencies (1)
fs-monkey
npm install unionfs- jsDelivr
https://cdn.jsdelivr.net/npm/unionfs@4.6.0/ - unpkg
https://unpkg.com/unionfs@4.6.0/ - esm.sh
https://esm.sh/unionfs@4.6.0
| Package | Weekly downloads | Gzip | Last release | Module | Comparison |
|---|---|---|---|---|---|
| fsu | 912.2k | - | 6 years ago | CommonJS | - |
Indexability: Indexed.