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Package

is-promise

Test whether an object looks like a promises-a+ promise

v4.0.0, 27 Apr 2020MITESM + CommonJSTypes: None
$ npm install is-promise

Key numbers

As of 25 Sept 2026
Weekly downloads
62.6m
+227% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v4.0.0
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
025m50m75m100mSept 2025Mar 2026Sept 2026High 82.7m (25 Aug 2026)Low 14.4m (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.

62,562,294 downloads last week, 294,746,731 in the last month. The 12-month change of +227% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
09 in total
Latest version
4.0.0, 27 Apr 20206 years ago
First published
23 Dec 2012
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
995

Major versions

  1. v4 first release 4.0.0, 27 Apr 2020
  2. v3 first release 3.0.0, 26 Apr 2020
  3. v2 first release 2.0.0, 10 Feb 2015
  4. v1 first release 1.0.0, 23 Dec 2012

Recent releases

VersionPublished
4.0.027 Apr 2020
3.0.026 Apr 2020
2.2.225 Apr 2020
2.2.125 Apr 2020
2.2.025 Apr 2020
2.1.06 Sept 2015
2.0.010 Feb 2015
1.0.120 May 2014
1.0.023 Dec 2012
Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
2.9 kB
Dependencies (0)
None
npm install is-promise
  • jsDelivrhttps://cdn.jsdelivr.net/npm/is-promise@4.0.0/
  • unpkghttps://unpkg.com/is-promise@4.0.0/
  • esm.shhttps://esm.sh/is-promise@4.0.0
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.