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prelude-ls

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

v1.2.1, 2 Apr 2020MITCommonJSTypes: NoneUtility libraries
$ npm install prelude-ls

Key numbers

As of 25 Sept 2026
Weekly downloads
114.1m
+90% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v1.2.1
GitHub stars
425
57 forks
Open issues / PRs
16 / 15
Contributors
12
Commits, last 52 weeks
1

Downloads

Last week 2026-09-15 to 2026-09-21
050m100m150mSept 2025Mar 2026Sept 2026High 149.5m (18 Aug 2026)Low 37.1m (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.

114,113,293 downloads last week, 511,376,162 in the last month. The 12-month change of +90% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
014 in total
Latest version
1.2.1, 2 Apr 20206 years ago
First published
29 May 2012
Last push to GitHub
15 May 2026132 days before the snapshot
Repository archived
No
Open issues
16
Open pull requests
15
Commits, last 52 weeks
1
Dependents on npm
1,734

Major versions

  1. v1 first release 1.0.0, 12 May 2013
  2. v0 first release 0.2.0, 29 May 2012

Recent releases

VersionPublished
1.2.12 Apr 2020
1.2.02 Apr 2020
1.1.215 May 2015
1.1.19 Apr 2014
1.1.028 Mar 2014
1.0.326 Jul 2013
1.0.226 Jul 2013
1.0.112 Jul 2013
1.0.012 May 2013
0.6.030 Jul 2012
0.5.025 Jun 2012
0.4.018 Jun 2012
0.3.013 Jun 2012
0.2.029 May 2012
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
>= 0.8.0
Runtimes
-
Unpacked size (npm)
36 kB
Dependencies (0)
None
npm install prelude-ls
  • jsDelivrhttps://cdn.jsdelivr.net/npm/prelude-ls@1.2.1/
  • unpkghttps://unpkg.com/prelude-ls@1.2.1/
  • esm.shhttps://esm.sh/prelude-ls@1.2.1
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.