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Package

peggy

Parser generator for JavaScript

v5.1.0, 1 Mar 2026MITCommonJSTypes: BundledParsers and serialisers
$ npm install peggy

Key numbers

As of 25 Sept 2026
Weekly downloads
373.1k
+201% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
3
Direct, from package.json
Last release
6 months ago
v5.1.0
GitHub stars
1.2k
78 forks
Open issues / PRs
30 / 6
Contributors
-
Commits, last 52 weeks
19

Downloads

Last week 2026-09-15 to 2026-09-21
0200k400k600k800kSept 2025Mar 2026Sept 2026High 661.1k (25 Aug 2026)Low 82.1k (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.

373,105 downloads last week. The 12-month change of +201% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
123 in total
Latest version
5.1.0, 1 Mar 20266 months ago
First published
10 Apr 2012
Last push to GitHub
19 Mar 2026189 days before the snapshot
Repository archived
No
Open issues
30
Open pull requests
6
Commits, last 52 weeks
19
Dependents on npm
-

Major versions

  1. v5 first release 5.0.0, 3 May 2025
  2. v4 first release 4.0.0, 13 Feb 2024
  3. v3 first release 3.0.0, 21 Feb 2023
  4. v2 first release 2.0.0, 28 May 2022
  5. v1 first release 1.0.0, 16 Apr 2021
  6. v0 first release 0.9.0, 10 Apr 2012

Recent releases

VersionPublished
5.1.01 Mar 2026
5.0.65 Aug 2025
5.0.510 Jul 2025
5.0.420 Jun 2025
5.0.330 May 2025
5.0.27 May 2025
5.0.17 May 2025
5.0.03 May 2025
4.2.019 Nov 2024
4.1.13 Oct 2024
4.0.319 Jun 2024
4.0.226 Feb 2024
4.0.123 Feb 2024
4.0.013 Feb 2024
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=20
Runtimes
-
Unpacked size (npm)
578 kB
Dependencies (3)
commander@peggyjs/from-memsource-map-generator
npm install peggy
  • jsDelivrhttps://cdn.jsdelivr.net/npm/peggy@5.1.0/
  • unpkghttps://unpkg.com/peggy@5.1.0/
  • esm.shhttps://esm.sh/peggy@5.1.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.