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127 packages found
A small set of functions to check value against a specific type
- type
- check
- guard
- isNumber
- isArray
- isString
- checker
- isFinite
- undefined
- null
- primitive
- isFunction
- function
- isUndefined
This library will help to assert the parameters, instances, classes, functions, primitive/non-primitive types
Simple type checker in JavaScript.
- utils
- util
- type checking
- type checker
- type
- checker
- isAlpha
- isAlphanumeric
- isArguments
- isArray
- isBoolean
- isDate
- isDecimal
- isDefined
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Test if a value is an array-like object containing only positive numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is a number having a negative value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- negative
- is
- isnumber
- isnumeric
- View more
Test if a value is a number having a nonpositive value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- nonpositive
- is
- isnumber
- isnumeric
- View more
Test whether a string contains only alphanumeric characters.
Suite of 43 lightweight utilities designed to maintain a small footprint when bundled, without compromising on ease of integration and use.
- clone
- cloneDeep
- merge
- isEqual
- isStrictEqual
- isMatch
- get
- set
- update
- parsePath
- capitalize
- join
- shuffle
- flatten
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Test if a value is equal to negative zero.
Test if a value is equal to positive zero.
Test if a value is an array-like object containing only nonpositive integers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only negative numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only negative integers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only finite numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only safe integers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only nonpositive numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if a value is an array-like object containing only nonnegative numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test whether a string contains only alphanumeric characters.
Test whether a string contains only numeric digits.
Test if a value is a number having a nonnegative finite value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- nonnegative
- finite
- is
- isnumber
- View more