jest-each
npmv30.5.1TypeScriptParameterised tests for Jest
Adopt with care
jest-each is usable, with caveats. Pulls in 22 transitive packages, about 3.0 MB installed (at least — some of the tree is still being crawled).
- AAdoption: grade A, Excellent.
33.7M downloads per week and 1 known dependents.
- AMaintenance: grade A, Excellent.
Last published 9 days ago. 18 releases in the last 2 years.
- CWeight: grade C, Fair — worth a look.
Pulls in 22 transitive packages, about 3.0 MB installed (at least — some of the tree is still being crawled).
- ASupply chain: grade A, Excellent.
No install scripts, 6 maintainers, and a contained dependency surface.
- ALicense: grade A, Excellent.
MIT — permissive, with no copyleft found in the dependency tree.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding jest-each to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.
Licenses in the dependency tree
Every license you inherit by installing jest-each, not just its own. Check this before a legal review, not after.
Compatibility
- Node.js
- node ^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0
- Module format
- ESM + CommonJS
- TypeScript
- Types included
- Install scripts
- None
Quick start
A usage example from the jest-each README.
// es6
import each from 'jest-each';jest-each vs the alternatives
Packages solving a similar problem in the npm ecosystem, compared on the signals that drive an adoption decision.
| Package | Weekly downloads | Dependents | License | Last release |
|---|---|---|---|---|
| jest-eachthis page | 33.7M | 1 | MIT | 9 days ago |
| vitest | 92.7M | 129 | MIT | 1 day ago |
| jest | 42.1M | 70 | MIT | 1 day ago |
| jest-cli | 0 | 3 | MIT | 1 day ago |
| @jest/core | 0 | 2 | MIT | 1 day ago |
| p-locate | 216.9M | 1 | MIT | 1 day ago |
Dependencies
Declared by jest-each v30.5.1. Runtime dependencies are installed with the package; dev dependencies are not.
Runtime (5)
Used by
Popular packages that depend on jest-each.
Relationship graph
Dependencies (left) and dependents (right) of jest-each.
Frequently installed together
Run multiple promise-returning & async functions with limited concurrency
This packages is a collection of utilities and helper functions
No description provided.
Captures and cleans stack traces
generator async control flow goodness
Convert Windows backslash paths to slash paths
No description provided.
No description provided.
A set of utility functions for expect and related packages
No description provided.
TypeScript definitions for stack-utils
This package extends `expect` library with `jest-snapshot` matchers. It exports `jestExpect` object, which can be used as standalone replacement of `expect`.
Release history
18 releases in the last two years, typically about 9 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 30.5.1latest | 9 days ago | 36 KB | MIT |
| 30.5.0 | 12 days ago | 36 KB | MIT |
| 30.4.1 | 4 months ago | 35 KB | MIT |
| 30.4.0 | 4 months ago | 35 KB | MIT |
| 30.3.0 | 6 months ago | 35 KB | MIT |
| 30.2.0 | 11 months ago | 37 KB | MIT |
| 30.1.0 | 1 year ago | 37 KB | MIT |
| 30.0.5 | 1 year ago | 37 KB | MIT |
| 30.0.2 | 1 year ago | 35 KB | MIT |
| 30.0.1 | 1 year ago | 35 KB | MIT |
| 30.0.0 | 1 year ago | 35 KB | MIT |
| 30.0.0-rc.1 | 1 year ago | 35 KB | MIT |
| 30.0.0-beta.8 | 1 year ago | 35 KB | MIT |
| 30.0.0-beta.7 | 1 year ago | 35 KB | MIT |
| 30.0.0-beta.6 | 1 year ago | 35 KB | MIT |
Overview
jest-each is an npm package that parameterised tests for Jest. It is extremely widely used, with about 33.7M downloads per week and 1 known dependents in the graph. The latest version is 30.5.1, released under the MIT license.
Who should use it
Teams working in the npm ecosystem who need parameterised tests for Jest and value a battle-tested, widely-adopted solution.
When not to use it
Consider an alternative if you need to or if a more actively-maintained option better fits your npm stack.
Pros
- Large, well-established user base (33.7M weekly downloads).
- Ships TypeScript type definitions.
- Clear open-source license (MIT).
Cons
- No significant drawbacks detected from available metadata.
Auto-generated from collected registry metadata. No external claims are inferred.
Keywords
Frequently asked questions
Should I use jest-each?
jest-each is usable, with caveats. Pulls in 22 transitive packages, about 3.0 MB installed (at least — some of the tree is still being crawled).
How do I install jest-each?
Run `npm install jest-each` to add jest-each to your npm project.
How many dependencies does jest-each have?
jest-each declares 5 direct dependencies and pulls in 22 packages in total once its runtime tree is resolved totalling about 3.0 MB on disk.
What license is jest-each released under?
jest-each is distributed under the MIT license. Its dependency tree also includes: ISC, MIT.
How popular is jest-each?
jest-each has approximately 33,711,142 downloads per week and 1 known dependent packages.
Is jest-each still maintained?
The most recent release of jest-each (v30.5.1) was published 9 days ago.
Does jest-each run install scripts?
No. jest-each does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.