Add autorange computation

Author: TomDemulierChevret

src/components/rangeslider/defaults.js

@@ -62,16 +62,9 @@ module.exports = function handleDefaults(layoutIn, layoutOut, axName) {
             coerceRange(yName, 'rangemode', 'auto');
         }
 
-        coerceRange(yName, 'range');
         layoutOut[yName].cleanRange('rangeslider.' + yName + '.range');
-        layoutOut[axName].rangeslider[yName].range = layoutOut[yName].rangeslider[yName].range.slice();
+        coerceRange(yName, 'range', layoutOut[yName].rangeslider[yName].range.slice());
         delete layoutOut[yName].rangeslider;
-
-        /*if(ax.rangeslidermode === 'auto') {
-            ax.rangesliderrange = hasDeps ? axes.getAutoRange(ax) : ax.range.slice();
-            axIn = ax._input;
-            axIn.rangesliderrange = ax.rangesliderrange.slice();
-        }*/
     }
 
     // to map back range slider (auto) range

src/plots/cartesian/axes.js

@@ -367,6 +367,17 @@ axes.doAutoRange = function(ax) {
         axIn.range = ax.range.slice();
         axIn.autorange = ax.autorange;
     }
+
+    if(ax.rangeslider) {
+        var anchorAxis = ax._anchorAxis;
+        if(ax.rangeslider[anchorAxis._name].rangemode === 'auto') {
+            hasDeps = (anchorAxis._min && anchorAxis._max && anchorAxis._min.length && anchorAxis._max.length);
+            ax.rangeslider[anchorAxis._name].range = hasDeps ? axes.getAutoRange(anchorAxis) : anchorAxis.range.slice();
+            axIn = ax._input;
+            axIn.rangeslider[anchorAxis._name].range = ax.rangeslider[anchorAxis._name].range.slice();
+            axIn.rangeslider[anchorAxis._name].rangemode = ax.rangeslider[anchorAxis._name].rangemode;
+        }
+    }
 };
 
 // save a copy of the initial axis ranges in fullLayout