jest-matcher-utils
npmv30.5.1TypeScriptA set of utility functions for expect and related packages
Safe to adopt
Yes — jest-matcher-utils scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 9 days ago. 24 releases in the last 2 years.
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- AMaintenance: grade A, Excellent.
Last published 9 days ago. 24 releases in the last 2 years.
- BWeight: grade B, Good.
Pulls in 10 transitive packages, about 251 KB installed (at least — some of the tree is still being crawled).
- ASupply chain: grade A, Excellent.
No install scripts, 5 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-matcher-utils 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-matcher-utils, 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
Dependencies
Declared by jest-matcher-utils v30.5.1. Runtime dependencies are installed with the package; dev dependencies are not.
Runtime (4)
Dev (2)
Used by
Popular packages that depend on jest-matcher-utils.
No description provided.
This module exports some utils for the `expect` function used in [Jest](https://jestjs.io/).
This package exports the `expect` function used in [Jest](https://jestjs.io/). You can find its documentation [on Jest's website](https://jestjs.io/docs/expect).
[type-definitions]: https://github.com/jestjs/jest/blob/main/packages/jest-types/src/Circus.ts
The Expo CLI
Simple and complete React Native testing utilities that encourage good testing practices.
Relationship graph
Dependencies (left) and dependents (right) of jest-matcher-utils.
Frequently installed together
Expo Router is a file-based router for React Native and web applications.
The Expo SDK
Stringify any JavaScript value.
TypeScript definitions for node
This package exports the `expect` function used in [Jest](https://jestjs.io/). You can find its documentation [on Jest's website](https://jestjs.io/docs/expect).
The semantic version parser used by npm.
A framework for building native apps using React
TypeScript-first schema declaration and validation library with static type inference
Better streaming static file server with Range and conditional-GET support
Create clickable links in the terminal
A library for interacting with the app.json
Best-effort discovery of the machine's default gateway and local network IP exclusively with UDP sockets.
Release history
24 releases in the last two years, typically about 6 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 30.5.1latest | 9 days ago | 32 KB | MIT |
| 30.5.0 | 12 days ago | 32 KB | MIT |
| 30.4.1 | 4 months ago | 32 KB | MIT |
| 30.4.0 | 4 months ago | 32 KB | MIT |
| 30.3.0 | 6 months ago | 32 KB | MIT |
| 30.2.0 | 11 months ago | 35 KB | MIT |
| 30.1.2 | 1 year ago | 35 KB | MIT |
| 30.1.1 | 1 year ago | 35 KB | MIT |
| 30.1.0 | 1 year ago | 35 KB | MIT |
| 30.0.5 | 1 year ago | 35 KB | MIT |
| 30.0.4 | 1 year ago | 35 KB | MIT |
| 30.0.3 | 1 year ago | 35 KB | MIT |
| 30.0.2 | 1 year ago | 32 KB | MIT |
| 30.0.1 | 1 year ago | 32 KB | MIT |
| 30.0.0 | 1 year ago | 32 KB | MIT |
Overview
jest-matcher-utils is an npm package that a set of utility functions for expect and related packages. It has 6 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 a set of utility functions for expect and related packages and value a focused 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
- 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.
Frequently asked questions
Should I use jest-matcher-utils?
Yes — jest-matcher-utils scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 9 days ago. 24 releases in the last 2 years.
How do I install jest-matcher-utils?
Run `npm install jest-matcher-utils` to add jest-matcher-utils to your npm project.
How many dependencies does jest-matcher-utils have?
jest-matcher-utils declares 6 direct dependencies and pulls in 10 packages in total once its runtime tree is resolved totalling about 251 KB on disk.
What license is jest-matcher-utils released under?
jest-matcher-utils is distributed under the MIT license.
How popular is jest-matcher-utils?
npm does not publish download counts. Within PackageGraph's crawl, 6 known packages depend on jest-matcher-utils.
Is jest-matcher-utils still maintained?
The most recent release of jest-matcher-utils (v30.5.1) was published 9 days ago.
Does jest-matcher-utils run install scripts?
No. jest-matcher-utils does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.