| 1 | import isArray from './is-array';
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| 2 | /**
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| 3 | * Flattens `array` a single level deep.
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| 4 | *
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| 5 | * @param {Array} arr The array to flatten.
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| 6 | * @return {Array} Returns the new flattened array.
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| 7 | * @example
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| 8 | *
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| 9 | * flatten([1, [2, [3, [4]], 5]]); // => [1, 2, [3, [4]], 5]
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| 10 | */
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| 11 | var flatten = function (arr) {
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| 12 | if (!isArray(arr)) {
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| 13 | return [];
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| 14 | }
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| 15 | var rst = [];
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| 16 | for (var i = 0; i < arr.length; i++) {
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| 17 | rst = rst.concat(arr[i]);
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| 18 | }
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| 19 | return rst;
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| 20 | };
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| 21 | export default flatten;
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| 22 | //# sourceMappingURL=flatten.js.map |
| \ | No newline at end of file |