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set.prototype.union

An ESnext spec-compliant `Set.prototype.union` shim/polyfill/replacement that works as far down as ES3

v1.1.3, 10 Apr 2024MITCommonJSTypes: NonePolyfills and shims
$ npm install set.prototype.union

Key numbers

As of 25 Sept 2026
Weekly downloads
27.8k
+373% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
9
Direct, from package.json
Last release
2 years ago
v1.1.3
GitHub stars
4
1 forks
Open issues / PRs
1 / 0
Contributors
-
Commits, last 52 weeks
1

Downloads

Last week 2026-09-15 to 2026-09-21
050k100k150kSept 2025Mar 2026Sept 2026High 103.2k (21 Jul 2026)Low 2.3k (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.

27,762 downloads last week, 142,329 in the last month. The 12-month change of +373% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
1.1.3, 10 Apr 20242 years ago
First published
-
Last push to GitHub
30 Dec 2025269 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
1
Dependents on npm
4

Major versions

-

Recent releases

-

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
>= 0.4
Runtimes
-
Unpacked size (npm)
28 kB
Dependencies (9)
es-setis-setcall-bindes-errorses-abstractget-intrinsices-object-atomsdefine-propertiesstop-iteration-iterator
npm install set.prototype.union
  • jsDelivrhttps://cdn.jsdelivr.net/npm/set.prototype.union@1.1.3/
  • unpkghttps://unpkg.com/set.prototype.union@1.1.3/
  • esm.shhttps://esm.sh/set.prototype.union@1.1.3
PackageWeekly downloadsGzipLast releaseModuleComparison
array-buffer-byte-length63.3m-1 year agoCommonJS-
weakmap-polyfill1m-5 years agoCommonJS-
@thednp/dommatrix182k-22 days agoESM + CommonJS-
map-like23.5k-9 years agoCommonJS-
object_values18k-9 years agoCommonJS-
object-keys79.8m-7 years agoCommonJS-
es6-shim1.1m-3 years agoCommonJS-
@bloomberg/record-tuple-polyfill76.8k-4 years agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.