Jest-validate npm package downloads show a general upward trend from March 2024 to August 2025. Downloads peaked in June-July 2025 around 173 million. September 2025 data is incomplete, showing significantly lower downloads at approximately 32 million, likely reflecting partial month data.
jest-validate provides a set of utilities to validate options objects passed to JavaScript modules, particularly useful for tools like Jest. It offers clear error messages and suggestions for correction when invalid options are detected. This helps ensure modules receive properly configured inputs, reducing unexpected behavior and aiding developers in debugging. It includes features to define schema for expected options and suggest similar valid keys when encountering typos.
Jest-validate releases varied greatly since 2017. High frequency in 2017-2018, especially January-March 2018. Releases gradually slowed down and has become sporadic since 2023. To date, September 8, 2025, two releases happened in 2025 - one in June (3 versions), and one in August.