Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
☆4,799Mar 3, 2026Updated this week
Alternatives and similar repositories for fast-check
Users that are interested in fast-check are comparing it to the libraries listed below
Sorting:
- Write powerful and concise tests. Property-based testing for JavaScript. Like QuickCheck.☆1,662Apr 5, 2021Updated 4 years ago
- Functional programming in TypeScript☆11,481Aug 18, 2025Updated 6 months ago
- Runtime type system for IO decoding/encoding☆6,822Dec 10, 2024Updated last year
- 🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.☆14,801Updated this week
- Generative testing for JavaScript☆1,175Apr 15, 2023Updated 2 years ago
- Industry standard API mocking for JavaScript.☆17,691Feb 16, 2026Updated 2 weeks ago
- A collection of essential TypeScript types☆16,934Feb 18, 2026Updated 2 weeks ago
- Build production-ready applications in TypeScript☆13,379Updated this week
- Mutation testing for JavaScript and friends☆2,777Feb 28, 2026Updated last week
- Actor-based state management & orchestration for complex app logic.☆29,293Updated this week
- 👷 TypeScript's largest type utility library☆7,128Jun 2, 2025Updated 9 months ago
- Functional optics: a (partial) porting of Scala monocle☆1,078Dec 9, 2022Updated 3 years ago
- TypeScript-first schema validation with static type inference☆41,997Feb 15, 2026Updated 2 weeks ago
- Zero-config CLI for TypeScript package development☆11,464Feb 9, 2026Updated 3 weeks ago
- 🦋 Fantasy Land compliant (monadic) alternative to Promises☆2,497Apr 22, 2024Updated last year
- Specification for interoperability of common algebraic structures in JavaScript☆10,225Nov 10, 2024Updated last year
- A JavaScript codemod toolkit.☆9,954Feb 28, 2026Updated last week
- Refuge from unsafe JavaScript☆3,057Nov 10, 2024Updated last year
- Rust-based platform for the Web☆33,255Updated this week
- TypeScript Compiler API wrapper for static analysis and programmatic code changes.☆5,966Oct 12, 2025Updated 4 months ago
- Runtime validation for static types☆2,691Jan 21, 2026Updated last month
- 📦 Zero-configuration bundler for tiny modules.☆8,145Feb 1, 2026Updated last month
- Check TypeScript type definitions☆2,550Aug 5, 2025Updated 7 months ago
- 🌈 React for interactive command-line apps☆35,338Updated this week
- Super-fast alternative to Babel for when you can target modern JS runtimes☆5,852Nov 19, 2025Updated 3 months ago
- TypeScript's 1:1 validator, optimized from editor to runtime☆7,640Updated this week
- A utility library for JavaScript and TypeScript.☆5,304Feb 15, 2026Updated 2 weeks ago
- An extremely fast bundler for the web☆39,822Feb 5, 2026Updated last month
- Zero-runtime CSS in JS library☆12,279Feb 7, 2026Updated last month
- Unified developer tools for JavaScript, TypeScript, and the web☆23,499Sep 4, 2023Updated 2 years ago
- Create the next immutable state by mutating the current one☆28,893Feb 10, 2026Updated 3 weeks ago
- Zero-runtime Stylesheets-in-TypeScript☆10,310Feb 22, 2026Updated last week
- 🦋 A way to manage your versioning and changelogs with a focus on monorepos☆11,468Feb 28, 2026Updated last week
- ⚡️ TypeScript Execute | The easiest way to run TypeScript in Node.js☆11,841Feb 13, 2026Updated 3 weeks ago
- uvu is an extremely fast and lightweight test runner for Node.js and the browser☆3,035Aug 30, 2024Updated last year
- Wireit upgrades your npm/pnpm/yarn scripts to make them smarter and more efficient.☆6,395Updated this week
- ✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!☆10,448Updated this week
- A type-safe TypeScript SQL query builder☆13,534Updated this week
- Node.js test runner that lets you develop with confidence 🚀☆20,853Feb 27, 2026Updated last week