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Package

sema4

Promise based Semaphores

v0.1.3, 19 Dec 2023MITESM + CommonJSTypes: BundledPromises and async control flow
$ npm install sema4

Key numbers

As of 25 Sept 2026
Weekly downloads
9.7k
+2773% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
2 years ago
v0.1.3
GitHub stars
3
0 forks
Open issues / PRs
1 / 0
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
05k10k15k20kSept 2025Mar 2026Sept 2026High 16.7k (25 Aug 2026)Low 32 (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.

9,659 downloads last week, 46,996 in the last month. The 12-month change of +2773% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
0.1.3, 19 Dec 20232 years ago
First published
-
Last push to GitHub
26 Dec 20231,003 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
3

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
25 kB
Dependencies (0)
None
npm install sema4
  • jsDelivrhttps://cdn.jsdelivr.net/npm/sema4@0.1.3/
  • unpkghttps://unpkg.com/sema4@0.1.3/
  • esm.shhttps://esm.sh/sema4@0.1.3
PackageWeekly downloadsGzipLast releaseModuleComparison
better-promises48.8k-1 year agoESM + CommonJS-
async-sema7.1m-5 years agoCommonJS-
promise-limit3.6m-8 years agoCommonJS-
promise-coalesce441.7k-10 months agoCommonJS-
async-redis40k-5 years agoCommonJS-
aigle37.7k-7 years agoCommonJS-
putil-promisify17.6k-3 years agoCommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 9659 < 10000.