Transform the Import Attributes proposal (`import ... from '...' with { ... }`) to the previous version known as Import Assertions (`import ... from '...' assert { ... }`).

date / time comparison matchers for chai

A simple testing library for bash scripts.

Simple library to validate JWT tokens

Testing Matchers for Enzyme

A WebdriverIO plugin. Adapter for Jasmine testing framework.

Synchronous Promise-like prototype to use in testing where you would have used an ES6 Promise

Assertions for redux actions testing

DOM assertions for the Chai assertion library using vanilla JavaScript

Playwright Angular schematics

A forked of Chai 5 which adds Promise support in order to work with Nightwatch commands.

Simple and complete React hooks testing utilities that encourage good testing practices.

web-component-tester makes testing your web components a breeze!

Serenity/JS universal assertion library supporting all types of functional tests, including both web and REST API scenarios

Extends Chai with lint-friendly terminating assertions.

Harness-backed AI testing on top of Vitest.

A Hardhat plugin that adds test assertions for Viem

A library for finite automata and regular expressions in the context of JS RegExp

Simple and complete custom Cypress commands and utilities that encourage good testing practices.

Temporal.io SDK Testing sub-package