Bump to v3.9.2.

collection/sample.js

@@ -1,6 +1,6 @@
 var baseRandom = require('../internal/baseRandom'),
     isIterateeCall = require('../internal/isIterateeCall'),
-    shuffle = require('./shuffle'),
+    toArray = require('../lang/toArray'),
     toIterable = require('../internal/toIterable');
 
 /* Native method references for those with the same name as other `lodash` methods. */
@@ -30,8 +30,20 @@ function sample(collection, n, guard) {
     var length = collection.length;
     return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
   }
-  var result = shuffle(collection);
-  result.length = nativeMin(n < 0 ? 0 : (+n || 0), result.length);
+  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;
 }
 

collection/shuffle.js

@@ -1,5 +1,7 @@
-var baseRandom = require('../internal/baseRandom'),
-    toIterable = require('../internal/toIterable');
+var sample = require('./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
@@ -16,20 +18,7 @@ var baseRandom = require('../internal/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);
 }
 
 module.exports = shuffle;