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hermes-parser

A JavaScript parser built from the Hermes engine

v0.37.0, 14 Jul 2026MITCommonJSTypes: None
$ npm install hermes-parser
npmGitHub

Key numbers

As of 25 Sept 2026
Weekly downloads
56.7m
+656% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
2 months ago
v0.37.0
GitHub stars
-
Open issues / PRs
- / -
Contributors
288
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60m80mSept 2025Mar 2026Sept 2026High 75m (25 Aug 2026)Low 8.4m (30 Sept 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

56,654,019 downloads last week, 279,177,825 in the last month. The 12-month change of +656% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
964 in total
Latest version
0.37.0, 14 Jul 20262 months ago
First published
8 Jan 2021
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
330

Major versions

  1. v0 first release 0.3.0, 8 Jan 2021

Recent releases

VersionPublished
0.37.014 Jul 2026
0.36.16 May 2026
0.36.028 Apr 2026
0.35.09 Apr 2026
0.34.013 Mar 2026
0.33.37 Jan 2026
0.33.229 Dec 2025
0.33.121 Dec 2025
0.33.012 Dec 2025
0.32.122 Sept 2025
0.32.020 Aug 2025
0.31.216 Aug 2025
0.31.030 Jul 2025
0.30.024 Jul 2025

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
1.5 MB
Dependencies (1)
hermes-estree

Install

npm install hermes-parser

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/hermes-parser@0.37.0/
  • unpkghttps://unpkg.com/hermes-parser@0.37.0/
  • esm.shhttps://esm.sh/hermes-parser@0.37.0
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.