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1629 packages found
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
Validate XML, Parse XML, Build XML without C/C++ based libraries
String validation and sanitization
tap-producing test harness for node and browsers
Node.js test runner that lets you develop with confidence.
A tiny invariant function
The assert module from Node.js, for the browser.
Type check values
JavaScript test spies, stubs and mocks.
DOM assertions for the Chai assertion library using vanilla JavaScript
test framework agnostic BDD-style assertions
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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A little library for asserting types and values, with zero dependencies.
- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
A light assertion library built with JSON APIs in mind.
Automated browser testing for the modern web development stack.
- automated
- functional
- browser
- browsers
- website
- webapp
- testing
- automation
- test
- runner
- tdd
- assert
- assertion
- QA
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Standard assertion utilities.
- stdlib
- stdassert
- assertion
- assert
- expectation
- expect
- utilities
- utility
- utils
- util
- test
- check
- validate
- validation
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A simple TypeScript library providing type guards for the primitive types in JavaScript.
- type
- types
- type-check
- type-checks
- type-checking
- predicate
- predicates
- type-predicate
- type-predicates
- type-assert
- type-asserting
- type-assertion
- type-assertions
- type-guard
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Do things in development and nothing otherwise
🐷 Poku makes testing easy for Node.js, Bun & Deno at the same time.
- 🐷
- test
- runner
- assert
- assertion
- testing
- bun
- deno
- cli
- concurrent
- concurrency
- parallelism
- parallel
- sequential
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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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