Gathering detailed insights and metrics for memfs
Gathering detailed insights and metrics for memfs
Installations
npm install memfsDeveloper Guide
BETA
Typescript
Yes
Module System
CommonJS
Min. Node Version
>= 4.0.0
Node Version
22.15.0
NPM Version
10.9.2
Score
98.9
Supply Chain
88
Quality
84
Maintenance
100
Vulnerability
99.6
License
Releases
111
Languages
2
TypeScript
JavaScript
TypeScript (99.76%)
JavaScript (0.24%)
Developer
Download Statistics
Total Downloads
0
Last Day
0
Last Week
0
Last Month
0
Last Year
0
GitHub Statistics
Apache-2.0 License
1,904 Stars
1,682 Commits
138 Forks
11 Watchers
23 Branches
56 Contributors
Updated on Jul 18, 2025
Sponsor this package
Maintainers
1
Package Meta Information
Latest Version
4.17.2
Package Id
memfs@4.17.2
Unpacked Size
666.68 kB
Size
131.78 kB
File Count
262
NPM Version
10.9.2
Node Version
22.15.0
Published on
May 15, 2025
Total Downloads
Cumulative downloads
Total Downloads
NaN
Last Day
0%
NaN
Compared to previous day
Last Week
0%
NaN
Compared to previous week
Last Month
0%
NaN
Compared to previous month
Last Year
0%
NaN
Compared to previous year
Weekly Downloads
Monthly Downloads
Yearly Downloads
Dev Dependencies
31
@semantic-release/changelog@semantic-release/git@semantic-release/npm@types/jest@types/mime@types/nodeapp-root-pathassertbufferhtml-webpack-pluginhuskyisomorphic-gitjestpath-browserifyprettierprocessreadable-streamrimrafsemantic-releasetar-streamts-jestts-loaderts-nodetslinttslint-config-commontypescripturlutilwebpackwebpack-cliwebpack-dev-server
memfs
JavaScript file system utilities for Node.js and browser.
Install
1npm i memfs
Resources
- Documentation
- In-memory Node.js
fsAPI experimentalfsto File System Access API adapterexperimentalFile System Access API tofsadapterexperimentalcrudfsa CRUD-like file system abstractionexperimentalcasfsContent Addressable Storage file system abstraction- Directory
snapshotutility printdirectory tree to terminal
- In-memory Node.js
- Code reference
- Test coverage
Demos
- Git in browser, which writes to a real folder
- Git in browser, which writes to OPFS file system
- Git on in-memory file system
fsin browser, creates a.tarfile in real folderfsin browser, synchronous API, writes to real foldercrudfsandcasfsin browser and Node.js interoperability
See also
unionfs- creates a union of multiple filesystem volumesfs-monkey- monkey-patches Node'sfsmodule andrequirefunctionlinkfs- redirects filesystem pathsspyfs- spies on filesystem actions
License
Apache 2.0
No vulnerabilities found.
Reason
security policy file detected
Details
- Info: security policy file detected: SECURITY.md:1
- Info: Found linked content: SECURITY.md:1
- Info: Found disclosure, vulnerability, and/or timelines in security policy: SECURITY.md:1
- Info: Found text in security policy: SECURITY.md:1
Reason
no dangerous workflow patterns detected
Reason
no binaries found in the repo
Reason
license file detected
Details
- Info: project has a license file: LICENSE:0
- Info: FSF or OSI recognized license: Apache License 2.0: LICENSE:0
Reason
packaging workflow detected
Details
- Info: Project packages its releases by way of GitHub Actions.: .github/workflows/checks.yml:93
Reason
5 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 5
Reason
6 existing vulnerabilities detected
Details
- Warn: Project is vulnerable to: GHSA-h5c3-5r3r-rr8q
- Warn: Project is vulnerable to: GHSA-rmvr-2pp2-xj38
- Warn: Project is vulnerable to: GHSA-xx4v-prfh-6cgc
- Warn: Project is vulnerable to: GHSA-v6h2-p8h4-qcjw
- Warn: Project is vulnerable to: GHSA-4v9v-hfq4-rm2v
- Warn: Project is vulnerable to: GHSA-9jgg-88mc-972h
Reason
Found 11/30 approved changesets -- score normalized to 3
Reason
SAST tool is not run on all commits -- score normalized to 3
Details
- Warn: 7 commits out of 18 are checked with a SAST tool
Reason
detected GitHub workflow tokens with excessive permissions
Details
- Warn: no topLevel permission defined: .github/workflows/checks.yml:1
- Warn: no topLevel permission defined: .github/workflows/gh-pages.yml:1
- Warn: no topLevel permission defined: .github/workflows/lint.yml:1
- Warn: no topLevel permission defined: .github/workflows/mirror.yml:1
- Info: no jobLevel write permissions found
Reason
no effort to earn an OpenSSF best practices badge detected
Reason
dependency not pinned by hash detected -- score normalized to 0
Details
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:99: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:100: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:19: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:21: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:38: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:39: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:60: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:62: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:82: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/checks.yml:83: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/checks.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/gh-pages.yml:14: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/gh-pages.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/gh-pages.yml:16: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/gh-pages.yml/master?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/gh-pages.yml:25: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/gh-pages.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/lint.yml:8: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/lint.yml/master?enable=pin
- Warn: third-party GitHubAction not pinned by hash: .github/workflows/lint.yml:11: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/lint.yml/master?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/mirror.yml:12: update your workflow using https://app.stepsecurity.io/secureworkflow/streamich/memfs/mirror.yml/master?enable=pin
- Info: 0 out of 14 GitHub-owned GitHubAction dependencies pinned
- Info: 0 out of 2 third-party GitHubAction dependencies pinned
Reason
project is not fuzzed
Details
- Warn: no fuzzer integrations found
Reason
branch protection not enabled on development/release branches
Details
- Warn: branch protection not enabled for branch 'master'
- Warn: branch protection not enabled for branch 'next'
Score
4.8
/10
Last Scanned on 2025-07-07
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