Is qsa-observer safe to use?

qsa-observer has no known vulnerabilities on the latest version (4.0.2). DepScope rates its health at 65/100 (moderate risk).

What is the latest version of qsa-observer?

The latest version of qsa-observer is 4.0.2, released 2026-04-27.

Does qsa-observer have known vulnerabilities?

No known vulnerabilities on the latest version of qsa-observer.

Is qsa-observer deprecated?

No, qsa-observer is actively maintained. Latest release: 4.0.2 (2026-04-27).

What are alternatives to qsa-observer?

Popular alternatives to qsa-observer in npm include: ?, semver, ansi-styles, minimatch, debug.

What license does qsa-observer use?

qsa-observer is licensed under MIT.

qsa-observer

npmv4.0.2

handle elements lifecycle through CSS selectors

License MITpermissive24 versions1 maintainers2 deps1,798 weekly dl

WebReflection/qsa-observer

/ 100

Health

use with caution

[email protected] low health (65/100) — consider alternatives

Moderate health score (65/100) — verify manually

Health breakdown0 – 100

20/25

maintenance

6/20

popularity

25/25

security

12/15

maturity

2/15

community

Vulnerabilities

none known

Bundle & TypeScript

🌟

TypeScript

10/10typed

bundled

Health History

Dependency Tree

License Audit

Dependencies (2)

element-notifier shadow-observer

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/qsa-observer