Fix key for initial nodes

By default, an array key is used. That could cause problems for
detecting the data join, so use the userid as unique identifier (this
is also done when detecting updating spam statuses).

1 files changed, 3 insertions, 1 deletions

diff --git a/js/spam.js b/js/spam.js
index 92ca13d..339f5be 100644
--- a/js/spam.js
+++ b/js/spam.js
@@ -164,7 +164,9 @@ function processData(data) {
 
     /* nodes */
     var node = contents.append('g').selectAll('circle')
-        .data(force.nodes())
+        .data(force.nodes(), function (d) {
+            return d.userid;
+        })
         .enter().append('circle')
             .attr('class', getNodeClasses)
             .attr('r', function (d) {