Bug fix: indexFromSetName on invisible sets (#771)

[dygraphs.git] / src / dygraph.js

diff --git a/src/dygraph.js b/src/dygraph.js
index e5053ba..ff3bcb6 100644 (file)
--- a/src/dygraph.js
+++ b/src/dygraph.js
@@ -2304,16 +2304,15 @@ Dygraph.prototype.drawGraph_ = function() {
 
   this.setIndexByName_ = {};
   var labels = this.attr_("labels");
-  if (labels.length > 0) {
-    this.setIndexByName_[labels[0]] = 0;
-  }
   var dataIdx = 0;
   for (var i = 1; i < points.length; i++) {
-    this.setIndexByName_[labels[i]] = i;
     if (!this.visibility()[i - 1]) continue;
     this.layout_.addDataset(labels[i], points[i]);
     this.datasetIndex_[i] = dataIdx++;
   }
+  for (var i = 0; i < labels.length; i++) {
+    this.setIndexByName_[labels[i]] = i;
+  }
 
   this.computeYAxisRanges_(extremes);
   this.layout_.setYAxes(this.axes_);