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on this file since eed0bf8 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 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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