Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
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Updated
Sep 2, 2026 - TypeScript
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
A library for generative, property-based testing in TypeScript and Jest.
假的 (ké--ê) is a property-based testing library, inspired by QuickCheck, Hypothesis, JSVerify and faker.js.
Framework for property-based testing in JavaScript, TypeScript, JSX, and TSX.
fp-ts but QuickCheck (partial port)
Generate arbitrary mdast with fast check
Fast-Check example repo, in prep for a talk on property testing (aka invariant testing)
This module provides utilities for property-based testing
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