1 |
3a515b92
|
cagy
|
var Symbol = require('./_Symbol'),
|
2 |
|
|
copyArray = require('./_copyArray'),
|
3 |
|
|
getTag = require('./_getTag'),
|
4 |
|
|
isArrayLike = require('./isArrayLike'),
|
5 |
|
|
isString = require('./isString'),
|
6 |
|
|
iteratorToArray = require('./_iteratorToArray'),
|
7 |
|
|
mapToArray = require('./_mapToArray'),
|
8 |
|
|
setToArray = require('./_setToArray'),
|
9 |
|
|
stringToArray = require('./_stringToArray'),
|
10 |
|
|
values = require('./values');
|
11 |
|
|
|
12 |
|
|
/** `Object#toString` result references. */
|
13 |
|
|
var mapTag = '[object Map]',
|
14 |
|
|
setTag = '[object Set]';
|
15 |
|
|
|
16 |
|
|
/** Built-in value references. */
|
17 |
|
|
var symIterator = Symbol ? Symbol.iterator : undefined;
|
18 |
|
|
|
19 |
|
|
/**
|
20 |
|
|
* Converts `value` to an array.
|
21 |
|
|
*
|
22 |
|
|
* @static
|
23 |
|
|
* @since 0.1.0
|
24 |
|
|
* @memberOf _
|
25 |
|
|
* @category Lang
|
26 |
|
|
* @param {*} value The value to convert.
|
27 |
|
|
* @returns {Array} Returns the converted array.
|
28 |
|
|
* @example
|
29 |
|
|
*
|
30 |
|
|
* _.toArray({ 'a': 1, 'b': 2 });
|
31 |
|
|
* // => [1, 2]
|
32 |
|
|
*
|
33 |
|
|
* _.toArray('abc');
|
34 |
|
|
* // => ['a', 'b', 'c']
|
35 |
|
|
*
|
36 |
|
|
* _.toArray(1);
|
37 |
|
|
* // => []
|
38 |
|
|
*
|
39 |
|
|
* _.toArray(null);
|
40 |
|
|
* // => []
|
41 |
|
|
*/
|
42 |
|
|
function toArray(value) {
|
43 |
|
|
if (!value) {
|
44 |
|
|
return [];
|
45 |
|
|
}
|
46 |
|
|
if (isArrayLike(value)) {
|
47 |
|
|
return isString(value) ? stringToArray(value) : copyArray(value);
|
48 |
|
|
}
|
49 |
|
|
if (symIterator && value[symIterator]) {
|
50 |
|
|
return iteratorToArray(value[symIterator]());
|
51 |
|
|
}
|
52 |
|
|
var tag = getTag(value),
|
53 |
|
|
func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
|
54 |
|
|
|
55 |
|
|
return func(value);
|
56 |
|
|
}
|
57 |
|
|
|
58 |
|
|
module.exports = toArray;
|