Type safe mocking extensions for jest

Electron build tooling based on Vite

Native-ESM powered web dev build tool

Type safe mocking extensions for vitest, forked from jest-mock-extended

Reusable utilities to help level up NestJS Testing

A lightweight Jest mock for unit testing Express

Mock http requests made using fetch

This library emulates ioredis by performing all operations in-memory.

Given an object and a property, replaces a property descriptor (or deletes it), and returns a thunk to restore it.

Easy as pie nodemailer mock for unit testing your Node.js applications.

A mock store for testing your redux async action creators and middleware

Custom Jest matchers for AWS SDK v3 Client mock

Mock `window.Date` when run unit test cases with jest. Make tests of `Date` easier.

Vite resolver for TypeScript compilerOptions.paths

A configurable mock file system. You know, for testing.

Jest helper for mocking Google Cloud Firestore

vitest hooks for JSDOM location mock

Lightweight Jest compatible spy implementation

Mock both 2D and WebGL contexts in Vitest.

A simple Hello World MCP server