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2055 packages found
Test whether a collection contains `n` elements which pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- some
- array.some
- every
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JavaScript Testing utilities for React
- javascript
- shallow rendering
- shallowRender
- test
- reactjs
- react
- flux
- testing
- test utils
- assertion helpers
- tdd
- mocha
JavaScript Testing utilities for React
- javascript
- shallow rendering
- shallowRender
- test
- reactjs
- react
- flux
- testing
- test utils
- assertion helpers
- tdd
- mocha
Test whether at least one element in a collection passes a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- any
- right
- array.some
- View more
zero dependencies vanilla JavaScript utils.
Standard assertion utilities.
- stdlib
- stdassert
- assertion
- assert
- expectation
- expect
- utilities
- utility
- utils
- util
- test
- check
- validate
- validation
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Test whether all elements in a collection pass a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- every
- all
- everyright
- View more
Test whether all elements in a collection fail a test implemented by a predicate function, iterating from right to left.
Test whether a collection contains at least `n` elements which pass a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- some
- right
- array.some
- View more
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- parents
- stable
- es2017
- jsdom
- formatting
- setPrototypeOf
- 256
- import
- functions
- middleware
- ECMAScript 2016
- classname
- css less
- keys
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Test if a value is Node stream-like.
Test if a value is Node writable stream-like.
Testing utilities for Plate
 [](https://gi
- fast-deep-copy
- react-hooks
- a11y
- es2015
- WeakSet
- status
- task
- BigUint64Array
- group
- jsonpath
- last
- es
- equality
- spinners
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Testing utilities for Plate
Test whether at least one element in a collection is truthy.
[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]
- accessor
- classes
- Array
- bound
- sham
- ECMAScript 2021
- signal
- patch
- const
- middleware
- duplex
- shared
- hash
- structuredClone
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Test if a value is a complex number-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- iscomplex
- complex
- complex64
- complex128
- 64-bit
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Test if a value is an ArrayBuffer.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- arraybuffer
- array
- buffer
- typed
- typed array
- typed-array
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