A mock client for knex which allows you to write tests with DB interactions

Promise mock library for synchronous Promise testing

Lightweight Jest compatible spy implementation

TypeScript definitions for service-worker-mock

Bare bones Promises/A+ implementation

🌗 A module used to mock canvas in Vitest.

A Promise-compatible abstraction that defers resolving/rejecting promises to another closure.

Tap into a promise chain without affecting its value or state

generator async control flow goodness

Thunk and FSA promise middleware for Redux

The node core libs for in browser usage.

Mock websockets and assert complex websocket interactions with Jest

Creates a Promise that waits for a single event

TypeScript definitions for mock-fs

Awaitable semaphore/mutex [Fork of await-semaphore]

Caching mock fetch implementation for all runtimes and frameworks.

Custom matchers for AWS SDK Client mock to be used in vitest

Jest hooks for JSDOM location mock

Retries a function that returns a promise, leveraging the power of the retry module.

Test whether an object looks like a promises-a+ promise