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es6-weak-map

ECMAScript6 WeakMap polyfill

v2.0.3, 7 Jun 2019ISC-Types: NonePolyfills and shims
$ npm install es6-weak-map

Key numbers

As of 25 Sept 2026
Weekly downloads
5.9m
+0% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
4
Direct, from package.json
Last release
7 years ago
v2.0.3
GitHub stars
30
7 forks
Open issues / PRs
1 / 0
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
02m4m6m8mSept 2025Mar 2026Sept 2026High 8m (3 Mar 2026)Low 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.

5,938,442 downloads last week, 25,178,657 in the last month. The 12-month change of +0% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
013 in total
Latest version
2.0.3, 7 Jun 20197 years ago
First published
24 Oct 2013
Last push to GitHub
30 Jun 20211,912 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
137

Major versions

  1. v2 first release 2.0.0, 4 Sept 2015
  2. v1 first release 1.0.0, 13 Apr 2015
  3. v0 first release 0.0.0, 24 Oct 2013

Recent releases

VersionPublished
2.0.37 Jun 2019
2.0.215 Mar 2017
2.0.12 Oct 2015
2.0.04 Sept 2015
1.0.27 May 2015
1.0.114 Apr 2015
1.0.013 Apr 2015
0.1.413 Apr 2015
0.1.312 Apr 2015
0.1.21 Sept 2014
0.1.115 May 2014
0.1.029 Apr 2014
0.0.024 Oct 2013
Module format
-Not determined from package.json
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
12 kB
Dependencies (4)
des5-extes6-symboles6-iterator
npm install es6-weak-map
  • jsDelivrhttps://cdn.jsdelivr.net/npm/es6-weak-map@2.0.3/
  • unpkghttps://unpkg.com/es6-weak-map@2.0.3/
  • esm.shhttps://esm.sh/es6-weak-map@2.0.3
PackageWeekly downloadsGzipLast releaseModuleComparison
es6-map1.4m-9 years ago--
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.