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18 lines
500 B
JavaScript

var baseClamp = require('./_baseClamp'),
copyArray = require('./_copyArray'),
shuffleSelf = require('./_shuffleSelf');
/**
* A specialized version of `_.sampleSize` for arrays.
*
* @private
* @param {Array} array The array to sample.
* @param {number} n The number of elements to sample.
* @returns {Array} Returns the random elements.
*/
function arraySampleSize(array, n) {
return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
}
module.exports = arraySampleSize;