Checks if value is an empty object, collection, map, or set.
Objects are considered empty if they have no own enumerable string keyed
properties.
Array-like values such as arguments objects, arrays, buffers, strings, or
jQuery-like collections are considered empty if they have a length of 0.
Similarly, maps and sets are considered empty if they have a size of 0.
Parameters
value: string
The value to check.
Returns value is ""
Returns true if value is empty, else false.
Since
0.1.0
Example
isEmpty(null) // => true
isEmpty(true) // => true
isEmpty(1) // => true
isEmpty([1, 2, 3]) // => false
isEmpty('abc') // => false
isEmpty({ 'a':1 }) // => false
isEmpty(value): boolean
Parameters
value: object
Returns boolean
isEmpty<T>(value): value is undefined | null | EmptyObjectOf<T>
Checks if
value
is an empty object, collection, map, or set.Objects are considered empty if they have no own enumerable string keyed properties.
Array-like values such as
arguments
objects, arrays, buffers, strings, or jQuery-like collections are considered empty if they have alength
of0
. Similarly, maps and sets are considered empty if they have asize
of0
.