ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / local / lib / node_modules / bower / lib / node_modules / inquirer / node_modules / lodash / collection

var baseRandom = require('../internal/baseRandom'),
    isIterateeCall = require('../internal/isIterateeCall'),
    toArray = require('../lang/toArray'),
    toIterable = require('../internal/toIterable');

/* Native method references for those with the same name as other `lodash` methods. */
var nativeMin = Math.min;

/**
 * Gets a random element or `n` random elements from a collection.
 *
 * @static
 * @memberOf _
 * @category Collection
 * @param {Array|Object|string} collection The collection to sample.
 * @param {number} [n] The number of elements to sample.
 * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
 * @returns {*} Returns the random sample(s).
 * @example
 *
 * _.sample([1, 2, 3, 4]);
 * // => 2
 *
 * _.sample([1, 2, 3, 4], 2);
 * // => [3, 1]
 */
function sample(collection, n, guard) {
  if (guard ? isIterateeCall(collection, n, guard) : n == null) {
    collection = toIterable(collection);
    var length = collection.length;
    return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
  }
  var index = -1,
      result = toArray(collection),
      length = result.length,
      lastIndex = length - 1;

n = nativeMin(n < 0 ? 0 : (+n || 0), length);
  while (++index < n) {
    var rand = baseRandom(index, lastIndex),
        value = result[rand];

result[rand] = result[index];
    result[index] = value;
  }
  result.length = n;
  return result;
}

module.exports = sample;

[-] at.js [edit]
[-] find.js [edit]
[-] select.js [edit]
[-] shuffle.js [edit]
[-] reduce.js [edit]
[-] sum.js [edit]
[-] max.js [edit]
[+] ..
[-] collect.js [edit]
[-] contains.js [edit]
[-] forEach.js [edit]
[-] some.js [edit]
[-] inject.js [edit]
[-] pluck.js [edit]
[-] all.js [edit]
[-] detect.js [edit]
[-] sortByAll.js [edit]
[-] where.js [edit]
[-] foldl.js [edit]
[-] reduceRight.js [edit]
[-] min.js [edit]
[-] findWhere.js [edit]
[-] partition.js [edit]
[-] countBy.js [edit]
[-] groupBy.js [edit]
[-] includes.js [edit]
[-] sortByOrder.js [edit]
[-] foldr.js [edit]
[-] size.js [edit]
[-] findLast.js [edit]
[-] reject.js [edit]
[-] sortBy.js [edit]
[-] eachRight.js [edit]
[-] any.js [edit]
[-] map.js [edit]
[-] forEachRight.js [edit]
[-] indexBy.js [edit]
[-] filter.js [edit]
[-] every.js [edit]
[-] each.js [edit]
[-] include.js [edit]
[-] invoke.js [edit]
[-] sample.js [edit]