From 222c89c96172b1ae84a647b6fcc10ed7edfffe9e Mon Sep 17 00:00:00 2001
From: archmoj <mojtaba@plot.ly>
Date: Sun, 9 Dec 2018 22:03:01 -0500
Subject: [PATCH 1/3] fix for issue 2873

---
 src/components/colorscale/calc.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/colorscale/calc.js b/src/components/colorscale/calc.js
index e887b6820cd..1f325e8ad22 100644
--- a/src/components/colorscale/calc.js
+++ b/src/components/colorscale/calc.js
@@ -33,7 +33,7 @@ module.exports = function calc(gd, trace, opts) {
             updateStyle(trace._input, containerStr ? (containerStr + '.' + attr) : attr, inputVal);
         }
         else {
-            inputContainer[attr] = inputVal;
+            trace._input[attr] = inputVal;
         }
 
         container[attr] = fullVal;

From fe0a663e1e88de0de16331cf4df2560c99a53df4 Mon Sep 17 00:00:00 2001
From: archmoj <mojtaba@plot.ly>
Date: Sun, 9 Dec 2018 22:21:35 -0500
Subject: [PATCH 2/3] changes for scatter3d only

---
 src/components/colorscale/calc.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/components/colorscale/calc.js b/src/components/colorscale/calc.js
index 1f325e8ad22..8980131c141 100644
--- a/src/components/colorscale/calc.js
+++ b/src/components/colorscale/calc.js
@@ -33,7 +33,12 @@ module.exports = function calc(gd, trace, opts) {
             updateStyle(trace._input, containerStr ? (containerStr + '.' + attr) : attr, inputVal);
         }
         else {
-            trace._input[attr] = inputVal;
+            if(trace._input.type === 'scatter3d') {
+                trace._input[attr] = inputVal;
+            }
+            else {
+                inputContainer[attr] = inputVal;
+            }
         }
 
         container[attr] = fullVal;

From 5df7a23fc80a85b30841b1e4f3485c706a640943 Mon Sep 17 00:00:00 2001
From: archmoj <mojtaba@plot.ly>
Date: Thu, 13 Dec 2018 18:42:41 -0500
Subject: [PATCH 3/3] not get into container if undefined

---
 src/components/colorscale/calc.js | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/components/colorscale/calc.js b/src/components/colorscale/calc.js
index 8980131c141..9b3b9de15e3 100644
--- a/src/components/colorscale/calc.js
+++ b/src/components/colorscale/calc.js
@@ -33,12 +33,7 @@ module.exports = function calc(gd, trace, opts) {
             updateStyle(trace._input, containerStr ? (containerStr + '.' + attr) : attr, inputVal);
         }
         else {
-            if(trace._input.type === 'scatter3d') {
-                trace._input[attr] = inputVal;
-            }
-            else {
-                inputContainer[attr] = inputVal;
-            }
+            inputContainer[attr] = inputVal;
         }
 
         container[attr] = fullVal;
@@ -53,6 +48,8 @@ module.exports = function calc(gd, trace, opts) {
     }
 
     if(containerStr) {
+        if(inputContainer[containerStr] === undefined) return;
+
         container = Lib.nestedProperty(container, containerStr).get();
         inputContainer = Lib.nestedProperty(inputContainer, containerStr).get();
         fullInputContainer = Lib.nestedProperty(fullInputContainer, containerStr).get() || {};