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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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[d565449] | 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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