Fix x grid focus

c3.js

@@ -721,8 +721,8 @@
         }
 
         function showXGridFocus(data) {
-            // Show when line chart exists
-            if (! hasLineType(c3.data.targets)) { return; }
+            // Hide when scatter plot exists
+            if (hasScatterType(c3.data.targets)) { return; }
             main.selectAll('line.xgrid-focus')
                 .style("visibility", "visible")
                 .data([data])
@@ -817,17 +817,17 @@
             });
             return has;
         }
+        /* not used
         function hasLineType(targets) {
             return hasType(targets, 'line');
         }
+        */
         function hasBarType(targets) {
             return hasType(targets, 'bar');
         }
-        /* not used
         function hasScatterType(targets) {
             return hasType(targets, 'scatter');
         }
-        */
         function isLineType(d) {
             var id = (typeof d === 'string') ? d : d.id;
             return !(id in __data_types) || __data_types[id] === 'line' || __data_types[id] === 'spline';

c3.min.js

@@ -15,7 +15,7 @@ null:+a[b],id:d}})}});b.forEach(function(a){var b;a.values=a.values.sort(functio
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 (c=c.concat(mc(a,f))),oc(c,b)):nc(a,b,d,f)}function pc(a,b){var d;d=a.map(function(a){return nc(a.values,b)});return oc(d,b)}function oc(a,b){var d,f;a.forEach(function(a){var c=xb(a,b);if(c<d||!d)d=c,f=a});return f}function qc(a,b){O.html(rc(a)).style("visibility","hidden").style("display","block");var d=O.property("offsetWidth"),f=O.property("offsetHeight");O.style("top",(b[1]+15+f<U()?b[1]+15:b[1]-f)+"px").style("left",g?b[0]:m(a[0].x)+60+d<(null===Ya?ba():Ya)?m(a[0].x)+60+"px":m(a[0].x)-d+30+
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+"px").style("visibility","visible")}function sc(a){cc(h.data.targets,"scatter")||k.selectAll("line.xgrid-focus").style("visibility","visible").data([a]).attr(g?"y1":"x1",hb).attr(g?"y2":"x2",hb)}function tc(){k.select("line.xgrid-focus").style("visibility","hidden")}function fa(a){return a.x||0===a.x?m(a.x):null}function ga(a){return F(a.id)(a.value)}function od(){var a={},b=0,d,f;db(Ha).forEach(function(c){for(d=0;d<u.length;d++)if(!(0>u[d].indexOf(c.id)))for(f=0;f<u[d].length;f++)if(u[d][f]in a){a[c.id]=
 a[u[d][f]];break}s(a[c.id])&&(a[c.id]=b++)});a.__max__=b-1;return a}function uc(a,b,d,f){var c=f?ea:m;return b?function(f){var e=f.id in d?d[f.id]:0;return f.x||0===f.x?c(f.x)-a*(b/2-e):0}:function(){return 0}}function vc(a,b,d,f){var c=Object.keys(b);return function(e,g){var h=0,k=f?T(e.id):F(e.id);db(Ha).forEach(function(d){d.id!==e.id&&b[d.id]===b[e.id]&&c.indexOf(d.id)<c.indexOf(e.id)&&(h+=a(d.values[g]))});return d?h:k(e.value)-h}}function wc(a,b){var d=null===a?function(a){return a}:function(b){return a>
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