Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-11 03:17:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Bump to v3.9.2.

Browse Source
This commit is contained in:
John-David Dalton
2015-12-16 17:51:09 -08:00
parent 81e41ca0c8
commit d2754e0b9b
23 changed files with 167 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
collection/shuffle.js
View File

@@ -1,4 +1,7 @@
define(['../internal/baseRandom', '../internal/toIterable'], function(baseRandom, toIterable) {
define(['./sample'], function(sample) {
/** Used as references for `-Infinity` and `Infinity`. */
var POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
/**
* Creates an array of shuffled values, using a version of the
@@ -15,20 +18,7 @@ define(['../internal/baseRandom', '../internal/toIterable'], function(baseRandom
* // => [4, 1, 3, 2]
*/
function shuffle(collection) {
collection = toIterable(collection);
var index = -1,
length = collection.length,
result = Array(length);
while (++index < length) {
var rand = baseRandom(0, index);
if (index != rand) {
result[index] = result[rand];
}
result[rand] = collection[index];
}
return result;
return sample(collection, POSITIVE_INFINITY);
}
return shuffle;