1 | import baseFlatten from './_baseFlatten';
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2 |
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3 | /**
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4 | * Flattens `array` a single level deep.
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5 | *
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6 | * @static
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7 | * @memberOf _
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8 | * @since 0.1.0
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9 | * @category Array
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10 | * @param {Array} array The array to flatten.
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11 | * @returns {Array} Returns the new flattened array.
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12 | * @example
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13 | *
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14 | * _.flatten([1, [2, [3, [4]], 5]]);
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15 | * // => [1, 2, [3, [4]], 5]
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16 | */
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17 | function flatten(array) {
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18 | var length = array ? array.length : 0;
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19 | return length ? baseFlatten(array, 1) : [];
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20 | }
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21 |
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22 | export default flatten;
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