fix legend items of marker.colorscale traces

... that don't use calcdata.mcc (that is: gl3d).
plotly · Dec 17, 2018 · 175626b · 175626b · archmoj · Dec 17, 2018
1 parent 73c66a9
commit 175626b
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diff --git a/src/lib/index.js b/src/lib/index.js
@@ -644,7 +644,13 @@ lib.minExtend = function(obj1, obj2) {
         v = obj1[k];
         if(k.charAt(0) === '_' || typeof v === 'function') continue;
         else if(k === 'module') objOut[k] = v;
-        else if(Array.isArray(v)) objOut[k] = v.slice(0, arrayLen);
+        else if(Array.isArray(v)) {
+            if(k === 'colorscale') {
+                objOut[k] = v.slice();
+            } else {
+                objOut[k] = v.slice(0, arrayLen);
+            }
+        }
         else if(v && (typeof v === 'object')) objOut[k] = lib.minExtend(obj1[k], obj2[k]);
         else objOut[k] = v;
     }

diff --git a/test/image/baselines/gl3d_scatter-colorscale-marker.png b/test/image/baselines/gl3d_scatter-colorscale-marker.png