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JS NPE fix

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This commit is contained in:
Joseph Schorr 2015-02-24 13:37:02 -05:00
parent 204f58d95b
commit 13e362a1df
1 changed files with 5 additions and 0 deletions
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5
static/js/graphing.js
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@ -521,6 +521,11 @@ ImageHistoryTree.prototype.pruneUnreferenced_ = function(node) {
}
node.children = surviving_children;
}
if (!node.tags) {
return node.children.length == 0;
}
return (node.children.length == 0 && node.tags.length == 0);
};