2016-09-17 22:24:52 -07:00
|
|
|
define(['./_baseRandom'], function(baseRandom) {
|
|
|
|
|
|
|
|
|
|
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
|
|
|
|
|
var undefined;
|
|
|
|
|
|
|
|
|
|
/**
|
2016-09-25 13:37:46 -07:00
|
|
|
* A specialized version of `_.sample` for arrays.
|
2016-09-17 22:24:52 -07:00
|
|
|
*
|
|
|
|
|
* @private
|
|
|
|
|
* @param {Array} array The array to sample.
|
|
|
|
|
* @returns {*} Returns the random element.
|
|
|
|
|
*/
|
|
|
|
|
function arraySample(array) {
|
|
|
|
|
var length = array.length;
|
|
|
|
|
return length ? array[baseRandom(0, length - 1)] : undefined;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return arraySample;
|
|
|
|
|
});
|
