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32 lines
681 B
JavaScript
32 lines
681 B
JavaScript
/**
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* Creates an array with all falsey values removed. The values `false`, `null`,
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* `0`, `""`, `undefined`, and `NaN` are falsey.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Array
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* @param {Array} array The array to compact.
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* @returns {Array} Returns the new array of filtered values.
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* @example
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*
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* _.compact([0, 1, false, 2, '', 3]);
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* // => [1, 2, 3]
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*/
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function compact(array) {
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var index = -1,
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length = array == null ? 0 : array.length,
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resIndex = 0,
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result = [];
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while (++index < length) {
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var value = array[index];
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if (value) {
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result[resIndex++] = value;
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}
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}
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return result;
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}
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module.exports = compact;
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