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6000 packages found
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Standard assertion utilities.
- stdlib
- stdassert
- assertion
- assert
- expectation
- expect
- utilities
- utility
- utils
- util
- test
- check
- validate
- validation
- View more
Check if a path is a file, directory, or symlink
Lint files staged by git
micromark extension to support GFM task list items
Returns true if the value is an object and not an array or null.
Update notifications for your CLI app
Check if your package was installed globally
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Runtime library to validate data against TypeScript interfaces
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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Fully customizable animated bouncy checkbox for React Native
- toggle
- switch
- bouncy
- checkbox
- animated
- check
- customizable
- react-native-checkbox
- rn-checkbox
- FreakyCoder
- freakycoder
- kuray
- Kuray
- react
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Simply check if your array, object, nested stuff, string, number, etc are empty or not.
mdast extension to parse and serialize GFM task list items
Test if a value is a collection.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- typed array
- collection
- float64array
- float32array
- int32array
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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
Test if a value is a regular expression string.
- stdlib
- stdassert
- assertion
- assert
- utils
- util
- utilities
- utility
- isregexp
- regular expression
- regexp
- regex
- regular
- expression
- View more
Returns true if a value is a plain object, array or function.
Type checking utils.