Mocks AWS Lambda events

Adds fetch() mocking to Storybook.js using fetch-mock

visx mock data

A storybook addon to mock fetch/XHR request

Parse JSON with more helpful errors

A lightweight Vitest mock for unit testing Express

Simple request and response mock objects to pass into Express routes when testing using Sinon.

Type safe mocking library for TypeScript

Another JSON Schema Validator

The mock serialport bindings

a mocked version of a socket.io socket for testing

Node stream mock module

TypeScript definitions for redux-mock-store

Super simple stubs and spies with 1-step sandbox restore

Jest utility to mock the console

Utility for mocking XMLHttpRequests in the browser or nodejs.

Medplum Mock Client

Mock both 2D and WebGL contexts in Vitest.

Vite mock server plugin

JSON for Humans