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-rw-r--r--src/client/model/graph.js6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/client/model/graph.js b/src/client/model/graph.js
index 6a67ad63..d9dfb499 100644
--- a/src/client/model/graph.js
+++ b/src/client/model/graph.js
@@ -1168,8 +1168,14 @@ function Graph(spec) {
this.removeRelated = removeRelated;
}
+function is_node(item)
+{
+ return item.__src === undefined;
+}
+
return {
Graph: Graph,
+ is_node: is_node,
};
});