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Exit early from _.contains if length is 0 to avoid potentially mucking up getIndexOf by passing it an undefined collection.

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John-David Dalton
2014-09-24 11:12:14 -07:00
parent 073f715f17
commit 54dc1e2e15
1 changed files with 3 additions and 0 deletions
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3
lodash.js
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@@ -4712,6 +4712,9 @@
collection = values(collection); collection = values(collection);
length = collection.length; length = collection.length;
} }
if (!length) {
return false;
}
if (typeof fromIndex == 'number') { if (typeof fromIndex == 'number') {
fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : (fromIndex || 0); fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : (fromIndex || 0);
} else { } else {