update descriptions for colorscale

Author: mdtusz

src/components/colorscale/attributes.js

@@ -34,7 +34,13 @@ module.exports = {
     colorscale: {
         valType: 'colorscale',
         role: 'style',
-        description: 'Sets the colorscale.'
+        description: [
+            'Sets the colorscale.',
+            'The colorscale must be an array containing',
+            'arrays mapping a normalized value to an rgb color. At minimum, a',
+            'mapping for the lowest (0) and highest (1) values are required.',
+            'For example, `[[0, \'rgb(0,0,255)\', [1, \'rgb(255,0,0)\']]`'
+        ].join(' ')
     },
     autocolorscale: {
         valType: 'boolean',

src/traces/scatter/attributes.js

@@ -247,7 +247,10 @@ module.exports = {
             role: 'style',
             description: [
                 'Has only an effect if `marker.color` is set to a numerical array.',
-                'Sets the colorscale.'
+                'Sets the colorscale. The colorscale must be an array containing',
+                'arrays mapping a normalized value to an rgb color. At minimum, a',
+                'mapping for the lowest (0) and highest (1) values are required.',
+                'For example, `[[0, \'rgb(0,0,255)\', [1, \'rgb(255,0,0)\']]`'
             ].join(' ')
         },
         cauto: {

tasks/util/compress_attributes.js

@@ -15,7 +15,9 @@ attributeNamesToRemove.forEach(function(attr, i) {
     // one line string with or without trailing comma
     regexStr += attr + ': \'.*\'' + ',?' + '|';
     // array of strings with or without trailing comma
-    regexStr += attr + ': \\[[\\s\\S]*?\\].*' + ',?';
+    regexStr += attr + ':.*\\n*.*\\.join\\(\\\'\\s\\\'\\)';
+
+    // attr:.*\n.*\.join\(\'\s\'\)
 
     if(i !== attributeNamesToRemove.length-1) regexStr += '|';
 });