This package provides TypeScript definitions for Chai, a popular assertion library used in JavaScript testing. Including @types/chai in your project enables strong typing, autocompletion, and compile-time error detection when writing Chai assertions. It ensures that your tests are type-safe and reduces the likelihood of runtime errors related to incorrect usage of Chai's assertion methods and properties. Essential for TypeScript projects utilizing Chai for testing.
The @types/chai package has had an erratic release frequency. Releases were more common in 2017-2018 and 2019-2021, with periods of no releases interspersed. The release frequency decreased significantly from 2022. There were no versions released between August 2024 and February 2025. In 2025, there was only one release in March and one release in May.
@types/chai downloads show a generally increasing trend from February 2024 (4.2M) to July 2025 (47.2M). There's a notable surge in downloads starting June 2025. August 2025 data is incomplete, showing 36.9M downloads so far, but still higher than most months prior to June 2025.
