Is on-headers safe to use?

on-headers has no known vulnerabilities on the latest version (1.1.0). DepScope rates its health at 74/100 (moderate risk).

What is the latest version of on-headers?

The latest version of on-headers is 1.1.0, released 2025-07-17.

Does on-headers have known vulnerabilities?

No known vulnerabilities on the latest version of on-headers.

Is on-headers deprecated?

No, on-headers is actively maintained. Latest release: 1.1.0 (2025-07-17).

What are alternatives to on-headers?

Popular alternatives to on-headers in npm include: semver, debug, minimatch, ansi-styles, brace-expansion.

What license does on-headers use?

on-headers is licensed under MIT.

on-headers

npmv1.1.0

Execute a listener when a response is about to write headers

License MITpermissive5 versions3 maintainers0 deps39,015,120 weekly dl

jshttp/on-headers

/ 100

Health

safe to use

[email protected] is safe to use (health: 74/100)

Health breakdown0 – 100

10/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

4/15

community

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

1.3 KBminified

0.7 KB gzipped

0 direct dependencies

side effects

🌟

TypeScript

7/10typed

Types from @types/on-headers (DefinitelyTyped)

Quality signals

OSS Criticality

0.80critical

Download trend

stable(+0.7%)

Publish security

npm signed

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/on-headers