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Bump to v4.8.0.

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John-David Dalton
2016-04-01 23:29:18 -07:00
parent ce0b51888c
commit 723c02dbfa
63 changed files with 222 additions and 149 deletions
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12
sampleSize.js
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@@ -1,5 +1,6 @@
import baseClamp from './_baseClamp';
import baseRandom from './_baseRandom';
import isIterateeCall from './_isIterateeCall';
import toArray from './toArray';
import toInteger from './toInteger';
@@ -12,7 +13,8 @@ import toInteger from './toInteger';
* @since 4.0.0
* @category Collection
* @param {Array|Object} collection The collection to sample.
* @param {number} [n=0] The number of elements to sample.
* @param {number} [n=1] The number of elements to sample.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the random elements.
* @example
*
@@ -22,13 +24,17 @@ import toInteger from './toInteger';
* _.sampleSize([1, 2, 3], 4);
* // => [2, 3, 1]
*/
function sampleSize(collection, n) {
function sampleSize(collection, n, guard) {
var index = -1,
result = toArray(collection),
length = result.length,
lastIndex = length - 1;
n = baseClamp(toInteger(n), 0, length);
if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
n = 1;
} else {
n = baseClamp(toInteger(n), 0, length);
}
while (++index < n) {
var rand = baseRandom(index, lastIndex),
value = result[rand];