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1 | /**
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2 | * Creates an array with all falsey values removed. The values `false`, `null`,
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3 | * `0`, `""`, `undefined`, and `NaN` are falsey.
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4 | *
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5 | * @static
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6 | * @memberOf _
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7 | * @since 0.1.0
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8 | * @category Array
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9 | * @param {Array} array The array to compact.
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10 | * @returns {Array} Returns the new array of filtered values.
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11 | * @example
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12 | *
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13 | * _.compact([0, 1, false, 2, '', 3]);
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14 | * // => [1, 2, 3]
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15 | */
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16 | function compact(array) {
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17 | var index = -1,
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18 | length = array == null ? 0 : array.length,
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19 | resIndex = 0,
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20 | result = [];
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21 |
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22 | while (++index < length) {
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23 | var value = array[index];
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24 | if (value) {
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25 | result[resIndex++] = value;
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26 | }
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27 | }
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28 | return result;
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29 | }
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30 |
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31 | module.exports = compact;
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