mirror of
https://github.com/thangisme/notes.git
synced 2024-12-23 00:46:24 -05:00
59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
var Symbol = require('./_Symbol'),
|
|
copyArray = require('./_copyArray'),
|
|
getTag = require('./_getTag'),
|
|
isArrayLike = require('./isArrayLike'),
|
|
isString = require('./isString'),
|
|
iteratorToArray = require('./_iteratorToArray'),
|
|
mapToArray = require('./_mapToArray'),
|
|
setToArray = require('./_setToArray'),
|
|
stringToArray = require('./_stringToArray'),
|
|
values = require('./values');
|
|
|
|
/** `Object#toString` result references. */
|
|
var mapTag = '[object Map]',
|
|
setTag = '[object Set]';
|
|
|
|
/** Built-in value references. */
|
|
var symIterator = Symbol ? Symbol.iterator : undefined;
|
|
|
|
/**
|
|
* Converts `value` to an array.
|
|
*
|
|
* @static
|
|
* @since 0.1.0
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to convert.
|
|
* @returns {Array} Returns the converted array.
|
|
* @example
|
|
*
|
|
* _.toArray({ 'a': 1, 'b': 2 });
|
|
* // => [1, 2]
|
|
*
|
|
* _.toArray('abc');
|
|
* // => ['a', 'b', 'c']
|
|
*
|
|
* _.toArray(1);
|
|
* // => []
|
|
*
|
|
* _.toArray(null);
|
|
* // => []
|
|
*/
|
|
function toArray(value) {
|
|
if (!value) {
|
|
return [];
|
|
}
|
|
if (isArrayLike(value)) {
|
|
return isString(value) ? stringToArray(value) : copyArray(value);
|
|
}
|
|
if (symIterator && value[symIterator]) {
|
|
return iteratorToArray(value[symIterator]());
|
|
}
|
|
var tag = getTag(value),
|
|
func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
|
|
|
|
return func(value);
|
|
}
|
|
|
|
module.exports = toArray;
|