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Package

fastparse

A very simple and stupid parser, based on a statemachine and regular expressions.

v1.1.2, 30 Oct 2018MITCommonJSTypes: NoneParsers and serialisers
$ npm install fastparse

Key numbers

As of 25 Sept 2026
Weekly downloads
3.1m
+4% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
7 years ago
v1.1.2
GitHub stars
66
7 forks
Open issues / PRs
1 / 1
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3m4mSept 2025Mar 2026Sept 2026High 3.3m (3 Mar 2026)Low 1.3m (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.

3,129,010 downloads last week, 10,671,974 in the last month. The 12-month change of +4% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
04 in total
Latest version
1.1.2, 30 Oct 20187 years ago
First published
8 Aug 2014
Last push to GitHub
30 Oct 20182,886 days before the snapshot
Repository archived
Yes
Open issues
1
Open pull requests
1
Commits, last 52 weeks
0
Dependents on npm
142

Major versions

  1. v1 first release 1.0.0, 8 Aug 2014

Recent releases

VersionPublished
1.1.230 Oct 2018
1.1.124 May 2015
1.1.024 May 2015
1.0.08 Aug 2014
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
7.7 kB
Dependencies (0)
None
npm install fastparse
  • jsDelivrhttps://cdn.jsdelivr.net/npm/fastparse@1.1.2/
  • unpkghttps://unpkg.com/fastparse@1.1.2/
  • esm.shhttps://esm.sh/fastparse@1.1.2
PackageWeekly downloadsGzipLast releaseModuleComparison
@chevrotain/regexp-to-ast3.5m-1 month agoESM only-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.