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ast-types

Esprima-compatible implementation of the Mozilla JS Parser API

v0.16.3, 30 Aug 2026MITCommonJSTypes: BundledParsers and serialisers
$ npm install ast-types

Key numbers

As of 25 Sept 2026
Weekly downloads
48.3m
+78% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
25 days ago
v0.16.3
GitHub stars
1.2k
196 forks
Open issues / PRs
93 / 38
Contributors
75
Commits, last 52 weeks
18

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60m80mSept 2025Mar 2026Sept 2026High 67.3m (25 Aug 2026)Low 17.1m (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.

48,305,913 downloads last week, 233,076,832 in the last month. The 12-month change of +78% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
2174 in total
Latest version
0.16.3, 30 Aug 202625 days ago
First published
24 Apr 2013
Last push to GitHub
9 Sept 202615 days before the snapshot
Repository archived
No
Open issues
93
Open pull requests
38
Commits, last 52 weeks
18
Dependents on npm
872

Major versions

  1. v0 first release 0.1.1, 24 Apr 2013

Recent releases

VersionPublished
0.16.330 Aug 2026
0.16.230 Aug 2026
0.16.113 Dec 2022
0.16.011 Dec 2022
0.15.22 Dec 2021
0.15.130 Nov 2021
0.15.029 Nov 2021
0.14.212 Sept 2020
0.14.124 Aug 2020
0.14.024 Aug 2020
0.13.423 Aug 2020
0.13.327 Mar 2020
0.13.224 Jun 2019
0.13.115 May 2019
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=4
Runtimes
-
Unpacked size (npm)
666 kB
Dependencies (1)
tslib
npm install ast-types

CDN

jsDelivr: 494.8k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/ast-types@0.16.3/
  • unpkghttps://unpkg.com/ast-types@0.16.3/
  • esm.shhttps://esm.sh/ast-types@0.16.3
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.