Skip to content
JS
Package

synchronous-promise

Synchronous Promise-like prototype to use in testing where you would have used an ES6 Promise

v2.0.18, 23 Jul 2026BSD-3-ClauseCommonJSTypes: Bundled
$ npm install synchronous-promise

Key numbers

As of 25 Sept 2026
Weekly downloads
1.8m
-30% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
2 months ago
v2.0.18
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3m4mSept 2025Mar 2026Sept 2026High 3.4m (3 Mar 2026)Low 1.2m (1 Sept 2026)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

1,797,970 downloads last week, 8,305,758 in the last month. The 12-month change of -30% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
138 in total
Latest version
2.0.18, 23 Jul 20262 months ago
First published
28 Jul 2016
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
-

Major versions

  1. v2 first release 2.0.0, 8 Nov 2017
  2. v1 first release 1.0.0, 28 Jul 2016

Recent releases

VersionPublished
2.0.1823 Jul 2026
2.0.1720 Jan 2023
2.0.1629 Aug 2022
2.0.158 Oct 2020
2.0.145 Oct 2020
2.0.1323 May 2020
2.0.1212 May 2020
2.0.118 May 2020
2.0.106 Sept 2019
2.0.924 May 2019
2.0.820 May 2019
2.0.729 Mar 2019
2.0.625 Sept 2018
2.0.516 May 2018
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
30 kB
Dependencies (0)
None
npm install synchronous-promise
  • jsDelivrhttps://cdn.jsdelivr.net/npm/synchronous-promise@2.0.18/
  • unpkghttps://unpkg.com/synchronous-promise@2.0.18/
  • esm.shhttps://esm.sh/synchronous-promise@2.0.18
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

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