npm · npm:memory-fs

memory-fs active

A simple in-memory filesystem. Holds data in a javascript object.

The latest stable version of memory-fs is 0.5.0, published on 2019-10-08. Verified by Vigia on 2026-11-12.

Latest stable version	0.5.0
Published	2019-10-08 12:22:39 UTC
Install	`npm install memory-fs@latest`
Requires (engines)	`{"node":">=4.3.0 <5.0.0 \|\| >=5.10"}`
Peer dependencies	—
Dist-tags	`latest: 0.5.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 14:40:02 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2019-10-08 12:22:39 UTC · 2592 days ago
Stable releases in the last 12 months	0
Published versions	7

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`0.5.0`	2019-10-08 12:22:39 UTC
`0.4.1`	2016-12-07 13:31:22 UTC
`0.4.0`	2016-12-06 16:32:37 UTC
`0.3.0`	2015-11-04 23:06:21 UTC
`0.2.0`	2015-01-16 22:41:46 UTC
`0.1.1`	2014-12-22 08:17:34 UTC
`0.1.0`	2014-07-01 06:32:03 UTC

Showing the 7 most recent of 7 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`node 16`	`0.5.0`
`node 18`	`0.5.0`
`node 20`	`0.5.0`
`node 22`	`0.5.0`
`node 24`	`0.5.0`

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Frequently asked questions

What is the latest version of memory-fs?

The latest stable version of memory-fs is 0.5.0, published on 2019-10-08. Verified by Vigia on 2026-11-12.

How do I install the latest version of memory-fs?

Run npm install memory-fs@latest. The latest stable version is 0.5.0 (verified 2026-11-12).

Is memory-fs deprecated?

No. memory-fs is not marked as deprecated in the registry.

Which Node.js version does memory-fs require?

memory-fs 0.5.0 declares this requirement: {"node":">=4.3.0 <5.0.0 || >=5.10"}.

Does memory-fs 0.5.0 have known vulnerabilities?

No known advisories affect memory-fs 0.5.0 according to the data Vigia checks.

Is memory-fs still maintained?

memory-fs published 0 stable releases in the last 12 months; the most recent was 2592 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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