Babel-preset-jest saw frequent releases in 2016 and 2017. Release frequency declined from 2018-2024 with occasional versions. There were no releases between October 2023 and May 2025. Two versions were released in June 2025. No releases occurred in July, August, or the current month of September 2025.
Babel-preset-jest downloads surged throughout 2024, peaking in November. 2025 saw continued high numbers, exceeding 168 million downloads in June and July. August experienced a decline, with a significant drop in September, likely due to incomplete data for the current month.
babel-preset-jest is a Babel preset specifically designed for use with the Jest testing framework. It automatically transforms your code using Babel, ensuring compatibility and proper execution within Jest's testing environment. This preset simplifies testing by handling common transformations like ES modules, JSX, and TypeScript syntax, allowing you to focus on writing effective tests instead of configuring Babel manually. It streamlines the setup process and provides a consistent transformation pipeline for reliable test results.