Skip to content
JS
Package

duplexer

Creates a duplex stream

v0.1.2, 12 Aug 2020MITCommonJSTypes: None
$ npm install duplexer

Key numbers

As of 25 Sept 2026
Weekly downloads
21.5m
+20% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v0.1.2
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
010m20m30mSept 2025Mar 2026Sept 2026High 26.9m (18 Aug 2026)Low 9.7m (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.

21,465,452 downloads last week, 93,903,813 in the last month. The 12-month change of +20% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
07 in total
Latest version
0.1.2, 12 Aug 20206 years ago
First published
10 Aug 2012
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
617

Major versions

  1. v0 first release 0.0.1, 10 Aug 2012

Recent releases

VersionPublished
0.1.212 Aug 2020
0.1.126 Apr 2013
0.1.01 Apr 2013
0.0.427 Mar 2013
0.0.331 Jan 2013
0.0.214 Aug 2012
0.0.110 Aug 2012
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
5.3 kB
Dependencies (0)
None
npm install duplexer
  • jsDelivrhttps://cdn.jsdelivr.net/npm/duplexer@0.1.2/
  • unpkghttps://unpkg.com/duplexer@0.1.2/
  • esm.shhttps://esm.sh/duplexer@0.1.2
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.