Skip to content
JS
Package

which-builtin-type

What is the type of this builtin JS value?

v1.2.1, 13 Dec 2024MITCommonJSTypes: Bundled
$ npm install which-builtin-type

Key numbers

As of 25 Sept 2026
Weekly downloads
57.4m
+104% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
13
Direct, from package.json
Last release
1 year ago
v1.2.1
GitHub stars
3
2 forks
Open issues / PRs
1 / 0
Contributors
1
Commits, last 52 weeks
5

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60m80mSept 2025Mar 2026Sept 2026High 77.2m (25 Aug 2026)Low 20.3m (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.

57,352,116 downloads last week, 281,010,075 in the last month. The 12-month change of +104% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
09 in total
Latest version
1.2.1, 13 Dec 20241 year ago
First published
25 Jan 2020
Last push to GitHub
16 Mar 2026193 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
5
Dependents on npm
571

Major versions

  1. v1 first release 1.0.0, 25 Jan 2020

Recent releases

VersionPublished
1.2.113 Dec 2024
1.2.023 Nov 2024
1.1.429 Jul 2024
1.1.32 Nov 2022
1.1.212 Apr 2022
1.1.16 Aug 2021
1.1.018 Apr 2021
1.0.115 Dec 2020
1.0.025 Jan 2020
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>= 0.4
Runtimes
-
Unpacked size (npm)
29 kB
Dependencies (13)
isarrayis-regexcall-boundis-weakrefis-date-objecthas-tostringtagwhich-collectionis-async-functionwhich-typed-arrayis-generator-functionwhich-boxed-primitivefunction.prototype.nameis-finalizationregistry
npm install which-builtin-type
  • jsDelivrhttps://cdn.jsdelivr.net/npm/which-builtin-type@1.2.1/
  • unpkghttps://unpkg.com/which-builtin-type@1.2.1/
  • esm.shhttps://esm.sh/which-builtin-type@1.2.1
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

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