Partial auto y range : adding support of null and undefined in addition to NaN

[dygraphs.git] / dygraph.js

diff --git a/dygraph.js b/dygraph.js
index fc50740..71bacbf 100644 (file)
--- a/dygraph.js
+++ b/dygraph.js
@@ -2570,7 +2570,10 @@ Dygraph.prototype.computeYAxisRanges_ = function(extremes) {
       axis.computedValueRange = [axis.valueWindow[0], axis.valueWindow[1]];
     } else if (axis.valueRange) {
       // This is a user-set value range for this axis.
-      axis.computedValueRange = [axis.valueRange[0], axis.valueRange[1]];
+      axis.computedValueRange = [
+         !isNaN(axis.valueRange[0]) && axis.valueRange[0] !== null && axis.valueRange[0] !== undefined ? axis.valueRange[0] : axis.extremeRange[0],
+         !isNaN(axis.valueRange[1]) && axis.valueRange[1] !== null && axis.valueRange[1] !== undefined ? axis.valueRange[1] : axis.extremeRange[1]
+      ];
     } else {
       axis.computedValueRange = axis.extremeRange;
     }