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5231 packages found
A set of functions for coding easy to read HTTP requests.
Type checking utils.
Ergonomic, modern and type-safe assertion library
A simple and composable way to validate data in JavaScript (and TypeScript).
The assert module from Node.js, for the browser.
A forked of Chai 5 which adds Promise support in order to work with Nightwatch commands.
Retry a function until or while it passes an assertion
Test if a double-precision floating-point numeric value is NaN.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- number
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Dependency-less Test Runner for Node.js
A very small package for use in internally verifying the flow and logic of scripts.
Centrapay Jest date matchers
A Test-Anything-Protocol library for JavaScript
Test if a value is a string.
An alternate jQuery assertion library for Chai.
The node.js assert module, re-packaged for web browsers.
typesafe assertion library for TypeScript 3.7+
Checks TypeScript types match expected values
Nanoscale assertion module
Compile-time type assertions for TypeScript.
- in
- ECMAScript 2020
- extra
- tslib
- $.extend
- matchAll
- predictable
- gradients css3
- eslintconfig
- eslintplugin
- status
- stringifier
- iterator
- native
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