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acorn-loose

Error-tolerant ECMAScript parser

v8.5.2, 1 Jul 2025MITESM + CommonJSTypes: Bundled
$ npm install acorn-loose

Key numbers

As of 25 Sept 2026
Weekly downloads
6.1m
+229% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
1 year ago
v8.5.2
GitHub stars
11.5k
1k forks
Open issues / PRs
12 / 1
Contributors
144
Commits, last 52 weeks
38

Downloads

Last week 2026-09-15 to 2026-09-21
02.5m5m7.5m10mSept 2025Mar 2026Sept 2026High 8.3m (4 Aug 2026)Low 1.2m (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.

6,106,237 downloads last week, 30,039,651 in the last month. The 12-month change of +229% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
015 in total
Latest version
8.5.2, 1 Jul 20251 year ago
First published
14 Sept 2018
Last push to GitHub
16 Sept 20268 days before the snapshot
Repository archived
No
Open issues
12
Open pull requests
1
Commits, last 52 weeks
38
Dependents on npm
-

Major versions

  1. v8 first release 8.0.0, 12 Aug 2020
  2. v7 first release 7.0.0, 13 Aug 2019
  3. v6 first release 6.0.0, 14 Sept 2018

Recent releases

VersionPublished
8.5.21 Jul 2025
8.5.18 Jun 2025
8.5.017 Apr 2025
8.4.026 Oct 2023
8.3.027 Dec 2021
8.2.16 Sept 2021
8.2.06 Sept 2021
8.1.024 Apr 2021
8.0.225 Jan 2021
8.0.111 Oct 2020
8.0.012 Aug 2020
7.1.011 Jun 2020
7.0.013 Aug 2019
6.1.04 Jul 2019
Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=0.4.0
Runtimes
-
Unpacked size (npm)
119 kB
Dependencies (1)
acorn
npm install acorn-loose
  • jsDelivrhttps://cdn.jsdelivr.net/npm/acorn-loose@8.5.2/
  • unpkghttps://unpkg.com/acorn-loose@8.5.2/
  • esm.shhttps://esm.sh/acorn-loose@8.5.2
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.