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; |