Ensure _.sample handles falsey collection arguments.

jdalton · jdalton · commit 8c07a67fe98e · 2013-09-08T15:09:09.000-06:00
diff --git a/lodash.js b/lodash.js
@@ -3895,7 +3895,7 @@
         collection = collection.split('');
       }
       if (n == null || guard) {
-        return collection[random(length - 1)];
+        return collection ? collection[random(length - 1)] : undefined;
       }
       var result = shuffle(collection);
       result.length = nativeMin(nativeMax(0, n), result.length);

Original file line number	Diff line number	Diff line change
`@@ -3895,7 +3895,7 @@`
`3895`	`3895`	`collection = collection.split('');`
`3896`	`3896`	`}`
`3897`	`3897`	`if (n == null \|\| guard) {`
`3898`		`- return collection[random(length - 1)];`
	`3898`	`+ return collection ? collection[random(length - 1)] : undefined;`
`3899`	`3899`	`}`
`3900`	`3900`	`var result = shuffle(collection);`
`3901`	`3901`	`result.length = nativeMin(nativeMax(0, n), result.length);`