1 | import isArray from './isArray.js';
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2 |
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3 | /**
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4 | * Casts `value` as an array if it's not one.
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5 | *
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6 | * @static
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7 | * @memberOf _
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8 | * @since 4.4.0
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9 | * @category Lang
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10 | * @param {*} value The value to inspect.
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11 | * @returns {Array} Returns the cast array.
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12 | * @example
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13 | *
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14 | * _.castArray(1);
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15 | * // => [1]
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16 | *
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17 | * _.castArray({ 'a': 1 });
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18 | * // => [{ 'a': 1 }]
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19 | *
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20 | * _.castArray('abc');
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21 | * // => ['abc']
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22 | *
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23 | * _.castArray(null);
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24 | * // => [null]
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25 | *
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26 | * _.castArray(undefined);
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27 | * // => [undefined]
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28 | *
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29 | * _.castArray();
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30 | * // => []
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31 | *
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32 | * var array = [1, 2, 3];
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33 | * console.log(_.castArray(array) === array);
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34 | * // => true
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35 | */
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36 | function castArray() {
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37 | if (!arguments.length) {
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38 | return [];
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39 | }
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40 | var value = arguments[0];
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41 | return isArray(value) ? value : [value];
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42 | }
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43 |
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44 | export default castArray;
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