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Package

resize-observer

An implementation and polyfill of the Resize Observer draft.

v1.0.4, 29 Nov 2021Apache-2.0CommonJSTypes: BundledPolyfills and shims
$ npm install resize-observer

Key numbers

As of 25 Sept 2026
Weekly downloads
220.2k
+49% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
4 years ago
v1.0.4
GitHub stars
97
12 forks
Open issues / PRs
9 / 12
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0100k200k300kSept 2025Mar 2026Sept 2026High 298k (9 Jun 2026)Low 66.4k (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.

220,158 downloads last week, 973,256 in the last month. The 12-month change of +49% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
1.0.4, 29 Nov 20214 years ago
First published
-
Last push to GitHub
29 Nov 20211,760 days before the snapshot
Repository archived
No
Open issues
9
Open pull requests
12
Commits, last 52 weeks
0
Dependents on npm
100

Major versions

-

Recent releases

-

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
53 kB
Dependencies (0)
None
npm install resize-observer
  • jsDelivrhttps://cdn.jsdelivr.net/npm/resize-observer@1.0.4/
  • unpkghttps://unpkg.com/resize-observer@1.0.4/
  • esm.shhttps://esm.sh/resize-observer@1.0.4
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.