Package

storybook-addon-mock-date

Storybook addon that mocks the JavaScript Date — and opt-in Temporal and Intl.DateTimeFormat — for individual stories.

v3.2.1, 15 Aug 2026MITESM onlyTypes: BundledDev servers and API mocking

$ npm install storybook-addon-mock-date

npm GitHub

Key numbers

As of 25 Sept 2026

Weekly downloads: 79.3k; +85% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 1; Direct, from package.json
Last release: 1 month ago; v3.2.1
GitHub stars: 3; 3 forks
Open issues / PRs: 2 / 2
Contributors: -
Commits, last 52 weeks: 298

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

79,269 downloads last week, 420,837 in the last month. The 12-month change of +85% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 3.2.1, 15 Aug 20261 month ago
First published: -
Last push to GitHub: 25 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 2
Open pull requests: 2
Commits, last 52 weeks: 298
Dependents on npm: 0

Major versions

Recent releases

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=22.0.0
Runtimes: -
Unpacked size (npm): 27 kB
Dependencies (1): @sinonjs/fake-timers
Peer dependencies (1): storybook

Install

npm install storybook-addon-mock-date

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/storybook-addon-mock-date@3.2.1/
unpkghttps://unpkg.com/storybook-addon-mock-date@3.2.1/
esm.shhttps://esm.sh/storybook-addon-mock-date@3.2.1

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.