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76 packages found
This module is small but easy to use. The purpose of this module is to check if a value is a array but if it is not an array it will convert the value into an array.
Allows parsing of an existential check in Babel
Type safe variable checks
Test if a value is a JavaScript primitive.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- valid
- primitive
- string
- number
- null
- undefined
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Test if a value is undefined or null.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- null
- is
- isundefined
- isnull
- View more
Checks if the given value is null or undefined
Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)
Test if a value is an array-like object containing only null values.
Test if a value is an array-like object containing only JavaScript primitives.
Helps you confirm the existence of specified falsy values (e.g. 0)
utility for creating dictionary objects
All imaginable type checking utils with their negation
Checks if the given value is null.
This helps to check whether the given variable value is null or not
Monadic library to help with Typescripts --strictNullChecks
Checks whether a given string is null or empty (I'm learning)
Improved type check
magical convenience for checking if any datatype has a value, key, or data in the datatype, or the key. Handles null, undefined, NaN, and every other edge case. Where lodash is too afraid to go, ithas is to the rescue!