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238 packages found
Determine if a JavaScript object is numeric
Scalar definitions for Neuledge Engine
A JavaScript package for random things.
Gets value from object whose key is in a certain range
A javascript library
A simple method that will convert numbers, hex, BN or bignumber.js object into a BN.js object.
Test if a value is a number having a positive value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- positive
- is
- isnumber
- isnumeric
- View more
Test if a value is a number having a nonnegative value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- nonnegative
- is
- isnumber
- isnumeric
- View more
retrieve the type of your value by using constructors when possible
Javascript number, string, boolean, object validator
Ask for a type, returns a true/false as answer.
Deep dive into an object to find a given value.
RapidOM schema validator
- rapid
- object
- model
- rapidom
- javascript
- typescript
- schema
- validation
- default
- required
- array
- min
- max
- length
- View more
The Type Conversion Library. Numbers, Strings, Arrays, Maps, Objects, and Iterators.
compare the type of your value with one or several types
- typeof
- types
- instanceof
- type-of
- test
- check
- typeof-in
- string
- constructor
- name
- number
- object
- array
- function
- View more
A robust micro library for type checking. Defers to constructs' internal `[[Class]]` property rather than duck typing for excellent type detection and to avoid triggering false positives.
Improve Node types & add object properties
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
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Wrap and validate optional values
Provide basics methods for Array, Function, Number, Object and String