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Package

@ungap/weakmap

An essential WeakMap polyfill for legacy browsers.

v0.2.1, 21 Jun 2020ISCESM onlyTypes: NonePolyfills and shims
$ npm install @ungap/weakmap

Key numbers

As of 25 Sept 2026
Weekly downloads
13.4k
- over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v0.2.1
GitHub stars
12
0 forks
Open issues / PRs
0 / 0
Contributors
-
Commits, last 52 weeks
0

No weekly download data in the snapshot.

13,361 downloads last week, 68,868 in the last month. No 52-week series has been fetched yet.

Releases, last 12 months
-
Latest version
0.2.1, 21 Jun 20206 years ago
First published
-
Last push to GitHub
21 Jun 20202,286 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
14

Major versions

-

Recent releases

-

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
7.1 kB
Dependencies (0)
None
npm install @ungap/weakmap
  • jsDelivrhttps://cdn.jsdelivr.net/npm/@ungap/weakmap@0.2.1/
  • unpkghttps://unpkg.com/@ungap/weakmap@0.2.1/
  • esm.shhttps://esm.sh/@ungap/weakmap@0.2.1
Sources: npm registry, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.