Fixes sankey chart trying to render empty nodes and links

OneGov · Jun 4, 2018 · fdf73f2 · fdf73f2
1 parent 9a3e8cb
commit fdf73f2
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diff --git a/HISTORY.rst b/HISTORY.rst
@@ -4,6 +4,9 @@ Changelog
 - Fixes placing of the expats/globe tooltip.
   [msom]
 
+- Fixes sankey chart trying to render empty nodes and links.
+  [msom]
+
 3.5.3 (2018-06-04)
 ~~~~~~~~~~~~~~~~~~~
 

diff --git a/onegov/election_day/assets/js/d3.chart.sankey.js b/onegov/election_day/assets/js/d3.chart.sankey.js
@@ -132,6 +132,7 @@
                 var node = canvas.append('g').selectAll('.node')
                     .data(data.nodes)
                     .enter().append('g')
+                    .filter(function(d) { return d.value; })
                     .attr('class', 'node')
                     .attr('id', function(d) { return 'node-' + count++; })
                     .filter(function(d) { return d.sourceLinks.length || d.targetLinks.length; });
@@ -206,6 +207,7 @@
                 var link = canvas.append('g').selectAll('.link')
                     .data(data.links)
                     .enter().append('path')
+                    .filter(function(d) { return d.value; })
                     .attr('class', 'link')
                     .attr('d', path)
                     .attr('style', function(d) {