JSPM

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A minimal assertion testing framework for APIs

Automated browser testing for the modern web development stack.

Combining the powers of both browser-tap and tape-expect

Unexpected plugin for testing http servers

  ![npm package minimized gzipped size (select exports)](https://img.shields.io/bundlejs/si

Test if a value is an uppercase string.

A node server to receive and cache incoming opentelemetry spans.

Assert that CSS is constructed properly

A zero dependency Typescript type checking library that coerces unknown values.

JavaScript awesome yet another assertion module

Type check and assert

Test if an object's own and inherited property is readable and writable.

Efficient error handling in async-await.

Simple assertion library

A simple assertion style feature flag for use in CI/CD deployment pipelines, especially well suited to monorepos and Trunk Based Development.

Assertion toolkit for Puppeteer.

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Testing Library for JavaScript/TypeScript using Specification Files

[](https://www.npmjs.com/package/@zibuthe7j11/expedita-quos-nihil) [](http://www.npmtren

Test if an object's own or inherited property has a data descriptor.

Plugin for the [TAP](https://node-tap.org/) test framework. This plugin verify if the value matches the provided JSON schema.

Automated browser testing for the modern web development stack.

<h1 align=center> <a href="http://chaijs.com" title="Chai Documentation"> <img alt="ChaiJS" src="http://chaijs.com/img/chai-logo.png"> </a> <br> chai </h1>

Test if an object's own or inherited property is readable.

Assertion toolkit for OpenTelemetry tests.

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fork of original chai compatible with both esm and cjs

Test if an object's own property is readable.

Test if an object's own or inherited property is read-only.

[](https://travis-ci.org/ericelliott/cuid)

easy logic

Miniature schema assertion for typescript (with typeguards)

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Check if the process is running in a Docker container.

[](https://travis-ci.org/xpepermint/@ryniaubenpm/vel-dolores-impedit)&nbsp;[](

<h1 align="center">ryniaubenpm/facere-ut-unde</h1>

Test if an object's own property has a data descriptor.

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Automated browser testing for the modern web development stack.

Test if a value is an array-like object containing only JavaScript primitives.

Type-safe assertion utilities for defensive programming.

Validate a plain object with a class and make it type-safe!

light house labs week 1 project library similar to lodash

Universal, tiny schema for JavaScript data types

Test if a value is an array-like object containing only nonnegative numbers.

Modular runtime type checker with focus on creating readable and smart error messages

Minimal, extensible runtime assertion library.

Typescript runtime type assertion. Works with a transformer that compiles structure information into the javascript code.

Simple error, assertion and type utilities for Sass

Base mathematical assertion utilities.

Simple and Flexible JavaScript test framework.

Validate condition, specifically to check if a function argument is what you expected it to be

This library was published for learning purposes. It is _not_ intended for use in production-grade software.

A cloned library of 'lodash'

assertions for node and browser

A small tool for validating arguments in JavaScript

A lightweight, extensible set of tools for applying limitations to runtime values

Santi's Assertion Library: Quick and reliable assertions!

Assertion utilities

🔥 Micro TypeScript assertion (test) library.

Simple test helper ensuring a list contains exactly the expected elements, without taking care of order.

Test whether a value is a property key.

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TSAssure is a TypeScript testing utility package designed to assist developers in writing comprehensive and reliable tests for their TypeScript projects. It provides a collection of functions for mocking dependencies, generating test data, and asserting c

This module is a node module that supports flow testing on the Node-RED editor UI. You can test the flow with multiple test-cases and without any changes when switching between test and production.

Automated browser testing for the modern web development stack.

Testing Library for JavaScript/TypeScript using Specification Files

assertio visibility framework js client

assertions library

Test if a value is an email address.

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Test if a value is a number having a finite negative value.

Test if a value is a 2-dimensional ndarray-like object containing single-precision complex floating-point numbers.

Test if a value is an EvalError object.