var isArray = require('./isArray');
|
|
/**
|
* Casts `value` as an array if it's not one.
|
*
|
* @static
|
* @memberOf _
|
* @since 4.4.0
|
* @category Lang
|
* @param {*} value The value to inspect.
|
* @returns {Array} Returns the cast array.
|
* @example
|
*
|
* _.castArray(1);
|
* // => [1]
|
*
|
* _.castArray({ 'a': 1 });
|
* // => [{ 'a': 1 }]
|
*
|
* _.castArray('abc');
|
* // => ['abc']
|
*
|
* _.castArray(null);
|
* // => [null]
|
*
|
* _.castArray(undefined);
|
* // => [undefined]
|
*
|
* _.castArray();
|
* // => []
|
*
|
* var array = [1, 2, 3];
|
* console.log(_.castArray(array) === array);
|
* // => true
|
*/
|
function castArray() {
|
if (!arguments.length) {
|
return [];
|
}
|
var value = arguments[0];
|
return isArray(value) ? value : [value];
|
}
|
|
module.exports = castArray;
|
