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76 packages found
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!
Validates if a value is null.
Check if the required properties are set, the easy way!
Perform easy type-checks with a simple type assertion.
- perform
- easy
- type-checks
- simple
- type
- assertion
- constructors
- expected
- type's
- accepted
- constructor
- null
- evaluate
- asserttype
Validation utilities.
- validate.io
- validator
- validation
- validate
- valid
- is
- isvalid
- check
- typed
- assert
- expect
- api
- string
- primitive
- View more
Utilities and types to help with simple Boolean checks
checks if foo is not defined, i.e. undefined, null, an empty string, array, object or NaN
Common types, type guards and type checkers.
Checks whether a given string is null or empty in Javascript (node).
2 functions that check if argument is undefined or null
This library is to check for null and undefined values in JSON objects
- object
- nullcheck
- null
- deep
- deep-check
- null-check
- boolean
- empty
- nested
- is-null
- undefined
- is-undefined
- isNull
- isUndefined
JavaScript Package for checking is variable empty,undefined or null
Check does the given Javascript Object is a null.
A collection of utilities dealing with object
- check
- is
- is-object
- isobject
- to-object
- toobject
- javascript
- kind
- kind-of
- object
- type
- typeof
- instanceof
- value
- View more
To check the data is empty or not. And also check the type of object wheater Array, Object, Function, Number, String or Boolean
- javascript
- node.js
- react.js
- angular.js
- vue.js
- array
- boolean
- check
- deep
- empty
- function
- has
- hasOwn
- is-empty
- View more
Checkout whether a given string is null or empty
Check does the given Javascript Object is a null.
Guard against null and undefined values
Cleaner for JavaScript objects - removes objects that have any of the following value : [], null, undefined,''. Checks objects recursively.
The package provides methods to check whether a JSON object or a JSON array is empty or not. - The package considers an **object** empty when it is `null`, `undefined` or has no keys. - The package considers an **array** empty when it is `null`, `undefine