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Package

mitt

Tiny 200b functional Event Emitter / pubsub.

v3.0.1, 4 Jul 2023MITESM + CommonJSTypes: BundledWebSockets and realtime
$ npm install mitt

Key numbers

As of 25 Sept 2026
Weekly downloads
22m
+106% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
3 years ago
v3.0.1
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
010m20m30m40mSept 2025Mar 2026Sept 2026High 31.5m (25 Aug 2026)Low 8.1m (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.

21,964,035 downloads last week, 111,931,521 in the last month. The 12-month change of +106% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
012 in total
Latest version
3.0.1, 4 Jul 20233 years ago
First published
15 Jan 2017
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
3,559

Major versions

  1. v3 first release 3.0.0, 23 Jun 2021
  2. v2 first release 2.0.0, 26 May 2020
  3. v1 first release 1.0.0, 15 Jan 2017

Recent releases

VersionPublished
3.0.14 Jul 2023
3.0.023 Jun 2021
2.1.015 Jul 2020
2.0.127 May 2020
2.0.026 May 2020
1.2.021 Oct 2019
1.1.37 Dec 2017
1.1.217 Apr 2017
1.1.115 Apr 2017
1.1.025 Feb 2017
1.0.122 Jan 2017
1.0.015 Jan 2017
Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
26 kB
Dependencies (0)
None
npm install mitt

CDN

jsDelivr: 5.6m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/mitt@3.0.1/
  • unpkghttps://unpkg.com/mitt@3.0.1/
  • esm.shhttps://esm.sh/mitt@3.0.1
PackageWeekly downloadsGzipLast releaseModuleComparison
brcast496.3k-6 years agoESM + CommonJS-
Sources: npm registry, npm downloads API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet.