| 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; |