chart.axis* API. Return 19100.config.axis_*_show if value === undefined

c3.js

@@ -7957,6 +7957,10 @@
 
     c3_chart_fn.axisX = function (value){
         var $$ = this.internal;
+
+        if(value === undefined){
+            return $$.config.axis_x_show;
+        }
         
         $$.config.axis_x_show = !!value;
         $$.axes.x.style("visibility", $$.config.axis_x_show ? 'visible' : 'hidden');
@@ -7965,6 +7969,10 @@
     };
     c3_chart_fn.axisY = function (value){
         var $$ = this.internal;
+
+        if(value === undefined){
+            return $$.config.axis_y_show;
+        }
         
         $$.config.axis_y_show = !!value;
         $$.axes.y.style("visibility", $$.config.axis_y_show ? 'visible' : 'hidden');
@@ -7974,7 +7982,13 @@
     c3_chart_fn.axisY2 = function(value){
         var $$ = this.internal;
 
+        if(value === undefined){
+            console.log(value, $$.config.axis_y2_show);
+            return $$.config.axis_y2_show;
+        }
+
         $$.config.axis_y2_show = !!value;
+        console.log(value, $$.config.axis_y2_show);
         $$.axes.y2.style("visibility", $$.config.axis_y2_show ? 'visible' : 'hidden');
         
         $$.redraw();

src/api.axis.js

@@ -85,6 +85,10 @@ c3_chart_fn.axis.yFormat = function(value){
 
 c3_chart_fn.axisX = function (value){
     var $$ = this.internal;
+
+    if(value === undefined){
+        return $$.config.axis_x_show;
+    }
     
     $$.config.axis_x_show = !!value;
     $$.axes.x.style("visibility", $$.config.axis_x_show ? 'visible' : 'hidden');
@@ -93,6 +97,10 @@ c3_chart_fn.axisX = function (value){
 };
 c3_chart_fn.axisY = function (value){
     var $$ = this.internal;
+
+    if(value === undefined){
+        return $$.config.axis_y_show;
+    }
     
     $$.config.axis_y_show = !!value;
     $$.axes.y.style("visibility", $$.config.axis_y_show ? 'visible' : 'hidden');
@@ -102,6 +110,10 @@ c3_chart_fn.axisY = function (value){
 c3_chart_fn.axisY2 = function(value){
     var $$ = this.internal;
 
+    if(value === undefined){
+        return $$.config.axis_y2_show;
+    }
+
     $$.config.axis_y2_show = !!value;
     $$.axes.y2.style("visibility", $$.config.axis_y2_show ? 'visible' : 'hidden');