Meta Open Source is transferring Jest to the OpenJS Foundation

Meta Open Source is officially transferring Jest, its open source JavaScript testing framework, to the OpenJS Foundation.  With over 17 million weekly downloads and over 38,000 GitHub stars, Jest i…

Rick Hanlon
5 min readintermediate
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Overview

Meta Open Source is transferring Jest, its popular open source JavaScript testing framework, to the OpenJS Foundation. This transition aims to enhance community ownership and support for Jest as it continues to grow within the JavaScript ecosystem.

What You'll Learn

1

How to contribute to Jest as an open source project

2

Why transferring Jest to the OpenJS Foundation is beneficial for the community

3

When to expect changes in Jest's governance and project management

Key Questions Answered

What is the significance of Jest being transferred to the OpenJS Foundation?
Transferring Jest to the OpenJS Foundation signifies a shift towards community ownership, allowing the Jest core team to lead the project while ensuring its continued development and support within the JavaScript ecosystem. This move is seen as a natural progression for Jest as it matures as an open source project.
How has Jest evolved since its inception?
Jest was created in 2011 and open-sourced in 2014, initially maintained by Meta engineers. Over time, it has grown significantly, with contributions from external developers leading to major improvements and a dedicated core team now managing the project.
What changes can users expect after Jest joins the OpenJS Foundation?
Users can expect no immediate changes in how Jest is developed or released. The project will continue to be led by the Jest core team, ensuring that the same high-quality testing framework remains available for developers.
What is the role of the OpenJS Foundation?
The OpenJS Foundation hosts various open source JavaScript projects and supports the healthy growth of the JavaScript ecosystem by acting as a neutral organization. It facilitates collaboration and funding for projects like Jest, ensuring their sustainability.

Key Statistics & Figures

Weekly downloads
17 million
This statistic highlights Jest's popularity and widespread usage in the JavaScript ecosystem.
GitHub stars
38,000
The number of stars on GitHub reflects community interest and approval of Jest as a testing framework.
Funds raised for Jest Open Collective
$70,000
These funds support the development and maintenance of Jest by non-Meta contributors.

Technologies & Tools

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Testing Framework
Jest
Jest is an open source JavaScript testing framework used for writing high-performance tests.
Organization
Openjs Foundation
The foundation supports the growth and sustainability of JavaScript projects, including Jest.

Key Actionable Insights

1
Engage with the Jest community to stay updated on developments and contribute to the project.
As Jest transitions to the OpenJS Foundation, community involvement will be crucial. By participating in discussions and contributing code, developers can influence the future of Jest and enhance their own skills.
2
Familiarize yourself with the OpenJS Foundation's governance policies as they will shape Jest's future.
Understanding the new governance policies will help contributors navigate the project more effectively and align their contributions with the community's goals.
3
Explore Jest's documentation to leverage its features for efficient testing.
With Jest being the most used testing framework in the JavaScript ecosystem, utilizing its extensive documentation can significantly improve testing practices and application reliability.

Common Pitfalls

1
Assuming that the transfer of Jest ownership will change its development process.
Many users may worry that the transition will disrupt their current workflow. However, the article clarifies that Jest will continue to be developed in the same manner, ensuring stability for existing users.

Related Concepts

Open Source Software
Javascript Testing Frameworks
Community-driven Development
Governance In Open Source Projects