jest-runtime provides the necessary tools to execute and manage test environments within the Jest testing framework. It handles module resolution, transformation, and sandboxing, ensuring consistent test execution across different environments. This package is crucial for Jest's ability to effectively isolate and run tests, providing deterministic results and managing dependencies. It offers fine-grained control over the test environment, allowing for advanced configurations and customization.
Jest-runtime's release frequency shows an initial burst of activity in 2016-2018, with multiple versions released per month. Releases became less frequent from 2019 through 2023, often with months having no releases. There were no releases between September 2023 and May 2025. In 2025, there were 4 releases in June, 2 in July, and 2 in August.
Jest-runtime downloads show a general upward trend from March 2024 to July 2025, peaking at roughly 163 million. August 2025 saw a decrease to 135 million. September 2025's partial data shows significantly lower downloads so far (around 30 million), but the month is not yet complete.
