fast-check

fast-check

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

github Testing TypeScript free
★ 4,911Stars
208Forks
4,911Watchers
1Views
May 2026Last Update

About fast-check

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

What you should know about fast-check

fast-check — Property based testing framework for JavaScript (like QuickCheck) written in TypeScript. It is categorized under Testing and primarily built with TypeScript. The project has gathered 4,911 stars and 208 forks on GitHub, indicating a healthy and active community.

Pricing & licensing: This tool is offered free of charge , released under the MIT license. The source code is openly available on GitHub, allowing engineers to audit, contribute, or fork as needed.

Use cases & topics: fast-check is associated with the following topics: faker, fuzzing, generative-testing, property-based-testing, quickcheck, tdd, testing, typescript. Teams working in faker / fuzzing / generative-testing spaces typically evaluate this kind of tool when scoping new architecture decisions or replacing legacy components.

Getting started: Check out the official GitHub repository for installation steps, configuration examples, and the latest release notes. Most teams hit value within the first week if the tool aligns with their existing Testing stack.

Editor's note from Fanny Engriana (Founder, Wardigi Digital Agency): when evaluating tools in the Testing category for our agency clients, we look at three things first — license clarity, community size, and active maintenance. Tools with explicit license terms and ongoing commits tend to remain viable across multi-year projects.

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