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9 packages found
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
Check empty for: array, string, object, function, number, date
- empty
- check empty array
- check
- condition
- check empty string
- check empty object
- check empty function
- check empty result function
- check empty number
- check empty on date
- helper
- lite
- validation
- map
- View more
Simple set of functions to check variables. Includes check of undefined / defined / defined and not null / defined and not empty / is number / is function is object
- check
- tool
- undefined
- is defined
- isnotnull
- is not null
- is not empty
- is object
- is function
- is number
- check number
- check object
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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3x as fast as `is-whitespace` and `whitespace-regex` thanks to `is-string-blank`. This package is a simple function that accepts an argument and returns `true` if it is a string AND it is not blank. Supports Node and Browser environments.
Check that given string, function or arrow function have empty body, using `parse-function`.
Validation utilities.
- validate.io
- validator
- validation
- validate
- valid
- is
- isvalid
- check
- typed
- assert
- expect
- api
- string
- primitive
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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
Tests a value’s type against a string like 'positive integer' or 'non-empty map'.