Package

fastseries

Zero-overhead asynchronous series/each/map function calls

v2.0.0, 27 Feb 2020ISCCommonJSTypes: NonePromises and async control flow

$ npm install fastseries

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 663.2k; +144% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 6 years ago; v2.0.0
GitHub stars: 71; 9 forks
Open issues / PRs: 0 / 0
Contributors: -
Commits, last 52 weeks: 0

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

663,168 downloads last week, 2,967,015 in the last month. The 12-month change of +144% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 018 in total
Latest version: 2.0.0, 27 Feb 20206 years ago
First published: 10 Apr 2015
Last push to GitHub: 27 Feb 20202,401 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 0
Dependents on npm: 21

Major versions

v2 first release 2.0.0, 27 Feb 2020
v1 first release 1.0.0, 10 Apr 2015
v0 first release 0.0.1, 10 Apr 2015

Recent releases

Version	Published
2.0.0	27 Feb 2020
1.7.2	24 Dec 2015
1.7.1	24 Dec 2015
1.7.0	23 Nov 2015
1.6.1	23 Nov 2015
1.6.0	20 Nov 2015
1.5.0	13 Sept 2015
1.4.0	13 Jul 2015
1.3.1	15 May 2015
1.3.0	26 Apr 2015
1.2.0	24 Apr 2015
1.1.3	18 Apr 2015
1.1.2	16 Apr 2015
1.1.1	16 Apr 2015

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 18 kB
Dependencies (0): None

Install

npm install fastseries

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/fastseries@2.0.0/
unpkghttps://unpkg.com/fastseries@2.0.0/
esm.shhttps://esm.sh/fastseries@2.0.0

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
neo-async Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster	50m	-	6 years ago	CommonJS	-
if-async async conditional execution for async.js or standalone usage	78.8k	-	11 years ago	CommonJS	-
lll A simple implementation of async.parallel	27.7k	-	12 years ago	CommonJS	-
@yume-chan/async Utils for async programming.	24k	-	1 year ago	ESM + CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.