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@jest/expect-utils
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@jest/expect-utils
This module exports some utils for the `expect` function used in [Jest](https://jestjs.io/).
@jest/expect-utils
This module exports some utils for the expect function used in Jest.
You probably don't want to use this package directly. E.g. if you're writing custom matcher, you should use the injected this.equals.
Other packages similar to @jest/expect-utils
jest-extended
jest-extended provides a large number of additional matchers for Jest. It offers a wide range of matchers similar to @jest/expect-utils, such as toBeArray, toBeObject, and toBeEmpty, but also includes many more specialized matchers.
chai
Chai is an assertion library for Node.js and the browser that can be paired with any testing framework. It provides a rich set of matchers and is highly extensible. While it is not specifically designed for Jest, it offers similar functionalities through its expect/should interfaces.
expect-more
expect-more is a set of additional matchers for Jest and Jasmine. It provides a variety of matchers for different data types and use cases, similar to @jest/expect-utils, and aims to make tests more expressive and readable.
FAQs
This module exports some utils for the `expect` function used in [Jest](https://jestjs.io/).
The npm package @jest/expect-utils receives a total of 35,365,978 weekly downloads. As such, @jest/expect-utils popularity was classified as popular.
We found that @jest/expect-utils demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 5 open source maintainers collaborating on the project.
Package last updated on 18 Sep 2026
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