Gathering detailed insights and metrics for is-stream
Gathering detailed insights and metrics for is-stream
Installations
npm install is-streamDeveloper Guide
BETA
Typescript
Yes
Module System
ESM
Min. Node Version
>=18
Node Version
18.19.0
NPM Version
9.2.0
Score
99.7
Supply Chain
83.4
Quality
75.5
Maintenance
100
Vulnerability
100
License
Releases
5
Languages
2
JavaScript
TypeScript
JavaScript (88.88%)
TypeScript (11.12%)
Developer
sindresorhus
Download Statistics
Total Downloads
15,609,844,488
Last Day
5,500,682
Last Week
95,479,568
Last Month
414,686,777
Last Year
4,340,702,758
GitHub Statistics
MIT License
112 Stars
33 Commits
21 Forks
8 Watchers
1 Branches
6 Contributors
Updated on May 07, 2025
Bundle Size
1.14 kB
Minified
396.00 B
Minified + Gzipped
Sponsor this package
Maintainers
1
Package Meta Information
Latest Version
4.0.1
Package Id
is-stream@4.0.1
Unpacked Size
7.44 kB
Size
2.29 kB
File Count
5
NPM Version
9.2.0
Node Version
18.19.0
Published on
Feb 19, 2024
Total Downloads
Cumulative downloads
Total Downloads
15,609,844,488
Last Day
-7.5%
5,500,682
Compared to previous day
Last Week
-7.6%
95,479,568
Compared to previous week
Last Month
2.8%
414,686,777
Compared to previous month
Last Year
22.3%
4,340,702,758
Compared to previous year
Weekly Downloads
Monthly Downloads
Yearly Downloads
Dev Dependencies
5
is-stream
Check if something is a Node.js stream
Install
1npm install is-stream
Usage
1import fs from 'node:fs'; 2import {isStream} from 'is-stream'; 3 4isStream(fs.createReadStream('unicorn.png')); 5//=> true 6 7isStream({}); 8//=> false
API
isStream(stream, options?)
Returns a boolean for whether it's a Stream.
isWritableStream(stream, options?)
Returns a boolean for whether it's a stream.Writable, an http.OutgoingMessage, an http.ServerResponse or an http.ClientRequest.
isReadableStream(stream, options?)
Returns a boolean for whether it's a stream.Readable or an http.IncomingMessage.
isDuplexStream(stream, options?)
Returns a boolean for whether it's a stream.Duplex.
isTransformStream(stream, options?)
Returns a boolean for whether it's a stream.Transform.
Options
checkOpen
Type: boolean
Default: true
When this option is true, the method returns false if the stream has already been closed.
Related
- is-file-stream - Detect if a stream is a file stream
No vulnerabilities found.
Reason
no binaries found in the repo
Reason
security policy file detected
Details
- Info: security policy file detected: .github/security.md:1
- Info: Found linked content: .github/security.md:1
- Info: Found disclosure, vulnerability, and/or timelines in security policy: .github/security.md:1
- Info: Found text in security policy: .github/security.md:1
Reason
no dangerous workflow patterns detected
Reason
0 existing vulnerabilities detected
Reason
license file detected
Details
- Info: project has a license file: license:0
- Info: FSF or OSI recognized license: MIT License: license:0
Reason
Found 8/30 approved changesets -- score normalized to 2
Reason
dependency not pinned by hash detected -- score normalized to 0
Details
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/main.yml:16: update your workflow using https://app.stepsecurity.io/secureworkflow/sindresorhus/is-stream/main.yml/main?enable=pin
- Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/main.yml:17: update your workflow using https://app.stepsecurity.io/secureworkflow/sindresorhus/is-stream/main.yml/main?enable=pin
- Warn: npmCommand not pinned by hash: .github/workflows/main.yml:21
- Info: 0 out of 2 GitHub-owned GitHubAction dependencies pinned
- Info: 0 out of 1 npmCommand dependencies pinned
Reason
0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
Reason
detected GitHub workflow tokens with excessive permissions
Details
- Warn: no topLevel permission defined: .github/workflows/main.yml:1
- Info: no jobLevel write permissions found
Reason
no effort to earn an OpenSSF best practices badge detected
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 'main'
Reason
SAST tool is not run on all commits -- score normalized to 0
Details
- Warn: 0 commits out of 8 are checked with a SAST tool
Score
4.2
/10
Last Scanned on 2025-06-23
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