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Package

protoduck

Fancy duck typing for the most serious of ducks.

v5.0.1, 26 Oct 2018MITCommonJSTypes: None
$ npm install protoduck
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
590.9k
-11% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
7 years ago
v5.0.1
GitHub stars
36
6 forks
Open issues / PRs
1 / 12
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0500k1m1.5mSept 2025Mar 2026Sept 2026High 1m (25 Nov 2025)Low 205.6k (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.

590,917 downloads last week, 2,015,104 in the last month. The 12-month change of -11% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
010 in total
Latest version
5.0.1, 26 Oct 20187 years ago
First published
10 Sept 2016
Last push to GitHub
8 Dec 20221,387 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
12
Commits, last 52 weeks
0
Dependents on npm
25

Major versions

  1. v5 first release 5.0.0, 12 Dec 2017
  2. v4 first release 4.0.0, 17 Apr 2017
  3. v3 first release 3.0.0, 10 Sept 2016

Recent releases

VersionPublished
5.0.126 Oct 2018
5.0.012 Dec 2017
4.0.017 Apr 2017
3.3.217 Sept 2016
3.3.117 Sept 2016
3.3.013 Sept 2016
3.2.012 Sept 2016
3.1.010 Sept 2016
3.0.110 Sept 2016
3.0.010 Sept 2016

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
26 kB
Dependencies (1)
genfun

Install

npm install protoduck

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/protoduck@5.0.1/
  • unpkghttps://unpkg.com/protoduck@5.0.1/
  • esm.shhttps://esm.sh/protoduck@5.0.1
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.