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