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3174 packages found
Test if a value is a regular expression string.
- stdlib
- stdassert
- assertion
- assert
- utils
- util
- utilities
- utility
- isregexp
- regular expression
- regexp
- regex
- regular
- expression
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A set of functions for coding easy to read HTTP requests.
Type checking utils.
A simple and composable way to validate data in JavaScript (and TypeScript).
Ergonomic, modern and type-safe assertion library
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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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
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
Test if a value is a string.
An alternate jQuery assertion library for Chai.
A Test-Anything-Protocol library for JavaScript
The node.js assert module, re-packaged for web browsers.
typesafe assertion library for TypeScript 3.7+
Nanoscale assertion module
Checks TypeScript types match expected values
Compile-time type assertions for TypeScript.