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785 packages found
unist utility to check if a node passes a test
Chance - Utility library to generate anything random
Type check values
Standard assertion utilities.
- stdlib
- stdassert
- assertion
- assert
- expectation
- expect
- utilities
- utility
- utils
- util
- test
- check
- validate
- validation
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Type checking utils.
Chance - Utility library to generate anything random
A simple helper utility for creating unit tests of Sass modules. Works great with mocha or jasmine.
APIs for describing and running automated test suites
Test if a value is a string.
The utility for writing fixture files inline.
unist utility to create a new tree with nodes that pass a filter
Test utility for Foundry
Test if a value is a number.
Test if an object has a specified property.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- object
- obj
- has
- hasown
- hasownproperty
- property
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Test if a value is a function.
Test if a value is a plain object.
Test utility for Foundry
A tiny utility to record function calls and define test doubles.
A barebones zeroconf testing library