1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
| define(['./_getLength', './isArray', './isString', './isArguments', './keys'], function (_getLength, isArray, isString, isArguments, keys) {
|
| // Is a given array, string, or object empty?
| // An "empty" object has no enumerable own-properties.
| function isEmpty(obj) {
| if (obj == null) return true;
| // Skip the more expensive `toString`-based type checks if `obj` has no
| // `.length`.
| var length = _getLength(obj);
| if (typeof length == 'number' && (
| isArray(obj) || isString(obj) || isArguments(obj)
| )) return length === 0;
| return _getLength(keys(obj)) === 0;
| }
|
| return isEmpty;
|
| });
|
|
