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JS
Package

is-observable

Check if a value is an Observable

v3.0.0, 6 Jun 2022MITESM onlyTypes: BundledPromises and async control flow
$ npm install is-observable
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Key numbers

As of 25 Sept 2026
Weekly downloads
2.5m
+25% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
4 years ago
v3.0.0
GitHub stars
43
9 forks
Open issues / PRs
0 / 0
Contributors
-
Commits, last 52 weeks
1

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3m4mSept 2025Mar 2026Sept 2026High 3.6m (25 Aug 2026)Low 979.2k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

2,465,447 downloads last week, 11,023,452 in the last month. The 12-month change of +25% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
07 in total
Latest version
3.0.0, 6 Jun 20224 years ago
First published
19 Nov 2015
Last push to GitHub
18 Sept 20266 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
1
Dependents on npm
83

Major versions

  1. v3 first release 3.0.0, 6 Jun 2022
  2. v2 first release 2.0.0, 28 May 2019
  3. v1 first release 1.0.0, 3 Nov 2017
  4. v0 first release 0.1.0, 19 Nov 2015

Recent releases

VersionPublished
3.0.06 Jun 2022
2.1.02 Aug 2020
2.0.028 May 2019
1.1.07 Dec 2017
1.0.03 Nov 2017
0.2.019 Apr 2016
0.1.019 Nov 2015

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=14.16
Runtimes
-
Unpacked size (npm)
3.2 kB
Dependencies (0)
None

Install

npm install is-observable

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/is-observable@3.0.0/
  • unpkghttps://unpkg.com/is-observable@3.0.0/
  • esm.shhttps://esm.sh/is-observable@3.0.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.