Easily unit test LaunchDarkly feature flagged components with Vitest

WebSocket protocol handler with pluggable I/O

Socket Transport for WalletConnect

[](https://www.npmjs.com/package/storybook-addon-module-mock) [](https://www.npmjs.com/package/storybook-addon-module-mock) [![](http

Mock websockets and assert complex websocket interactions with Vitest

Auto mock all localstorage and sessionstorage APIs for your Vitest tests

Zod auto-mock object generator using Faker at @faker-js/faker

Storybook MockDate decorator

Simple utility to mock example objects based on JSON schema definitions

Provides a mock JSON-RPC API given an OpenRPC Document

Mock localStorage for headless unit tests

Vitest wrapper for fetch-mock

Configurable OAuth2/OpenID Connect server for automated testing and development purposes

This package provides a HTTP client featuring the ability to:

Auto mock all localstorage and sessionstorage APIs for your Jest tests

Core of @pact-foundation/pact. You almost certainly don't want to depend on this directly.

jest wrapper for fetch-mock

a knex mock adapter for simulating a db during testing

Intuitive mocking for Typescript class imports

The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server