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espree

An Esprima-compatible JavaScript parser built on Acorn

v11.2.0, 6 Mar 2026BSD-2-ClauseESM + CommonJSTypes: BundledParsers and serialisers
$ npm install espree
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Key numbers

As of 25 Sept 2026
Weekly downloads
127.8m
+107% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
3
Direct, from package.json
Last release
6 months ago
v11.2.0
GitHub stars
2.4k
234 forks
Open issues / PRs
7 / 2
Contributors
75
Commits, last 52 weeks
119

Downloads

Last week 2026-09-15 to 2026-09-21
050m100m150m200mSept 2025Mar 2026Sept 2026High 169.6m (18 Aug 2026)Low 39.1m (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.

127,755,130 downloads last week, 561,376,541 in the last month. The 12-month change of +107% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
494 in total
Latest version
11.2.0, 6 Mar 20266 months ago
First published
6 Dec 2014
Last push to GitHub
25 Sept 2026same day as the snapshot
Repository archived
No
Open issues
7
Open pull requests
2
Commits, last 52 weeks
119
Dependents on npm
2,000

Major versions

  1. v11 first release 11.0.0, 10 Nov 2025
  2. v10 first release 10.0.0, 26 Jan 2024
  3. v9 first release 9.0.0, 10 Sept 2021
  4. v8 first release 8.0.0, 30 Jun 2021
  5. v7 first release 7.0.0, 7 May 2020
  6. v6 first release 6.0.0, 22 Jun 2019
  7. v5 first release 5.0.0, 5 Dec 2018
  8. v4 first release 4.0.0, 21 Jun 2018
  9. v3 first release 3.0.0, 20 Jan 2016
  10. v2 first release 2.0.0, 4 Apr 2015
  11. v1 first release 1.2.2, 6 Dec 2014

Recent releases

VersionPublished
11.2.06 Mar 2026
11.1.120 Feb 2026
11.1.019 Jan 2026
11.0.010 Nov 2025
10.4.09 Jun 2025
10.3.029 Oct 2024
10.2.027 Sept 2024
10.1.017 Jun 2024
10.0.19 Feb 2024
10.0.026 Jan 2024
9.6.114 Jul 2023
9.6.030 Jun 2023
9.5.25 May 2023
9.5.128 Mar 2023

Compatibility

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
^20.19.0 || ^22.13.0 || >=24
Runtimes
-
Unpacked size (npm)
93 kB
Dependencies (3)
acornacorn-jsxeslint-visitor-keys

Install

npm install espree

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/espree@11.2.0/
  • unpkghttps://unpkg.com/espree@11.2.0/
  • esm.shhttps://esm.sh/espree@11.2.0

Alternatives

PackageWeekly downloadsGzipLast releaseModuleComparison
esprima85m-8 years agoCommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.