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Package

postmate

A powerful, simple, promise-based postMessage library

v1.5.2, 22 Oct 2019MITESM + CommonJSTypes: NonePromises and async control flowSecurity
$ npm install postmate

Key numbers

As of 25 Sept 2026
Weekly downloads
19k
+31% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v1.5.2
GitHub stars
1.9k
181 forks
Open issues / PRs
34 / 21
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
010k20k30k40kSept 2025Mar 2026Sept 2026High 36.2k (28 Apr 2026)Low 10.4k (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.

18,974 downloads last week, 106,759 in the last month. The 12-month change of +31% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
1.5.2, 22 Oct 20196 years ago
First published
-
Last push to GitHub
2 Jun 20231,210 days before the snapshot
Repository archived
No
Open issues
34
Open pull requests
21
Commits, last 52 weeks
0
Dependents on npm
75

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
71 kB
Dependencies (0)
None
npm install postmate

CDN

jsDelivr: 1.2m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/postmate@1.5.2/
  • unpkghttps://unpkg.com/postmate@1.5.2/
  • esm.shhttps://esm.sh/postmate@1.5.2
PackageWeekly downloadsGzipLast releaseModuleComparison
penpal329.6k-1 month agoESM + CommonJS-
@endo/stream6k-5 months agoESM only-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.