An experimental [Mocha BDD](https://mochajs.org/#bdd) wrapper for [fast-check's](https://github.com/dubzzz/fast-check/) property based testing.

Unicode property alias mappings in JavaScript format for property names that are supported in ECMAScript RegExp property escapes.

A CSS parser, transformer, and minifier written in Rust

CSS vendor prefix detection and property feature testing.

Yet another implementation of property based testing framework with support for async properties.

Detect whether a terminal supports color

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

Property-Based Testing for ISL - Generate random inputs satisfying preconditions and verify postconditions

`Object.defineProperty`, but not IE 8's broken one.

Get a KeyboardEvent.key-style string from an event

Production-ready ZIO test templates for Scala. Get consistent, maintainable tests with dependency injection, mocking, property-based testing, and more.

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Base for creating objects that behave like a Property Graph.

A JS implementation of JSONPath with some additional operators

Ensure that reserved words are quoted in object property keys

React package for snapshot testing.

MongoDB connection strings, based on the WhatWG URL API

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

This plugin transforms checks for a private property in an object

Automatically cleanup expired items in a Map