Merge pull request #2388 from plotly/typed-arrays-support

Typed arrays support

Author: etpinard

Diff for: .eslintrc

@@ -17,6 +17,7 @@
     "Int16Array": true,
     "Int32Array": true,
     "ArrayBuffer": true,
+    "DataView": true,
     "SVGElement": false
   },
   "rules": {

Diff for: src/components/colorscale/has_colorscale.js

@@ -6,24 +6,20 @@
 * LICENSE file in the root directory of this source tree.
 */
 
-
 'use strict';
 
 var isNumeric = require('fast-isnumeric');
-
 var Lib = require('../../lib');
-
 var isValidScale = require('./is_valid_scale');
 
-
 module.exports = function hasColorscale(trace, containerStr) {
     var container = containerStr ?
-            Lib.nestedProperty(trace, containerStr).get() || {} :
-            trace,
-        color = container.color,
-        isArrayWithOneNumber = false;
+        Lib.nestedProperty(trace, containerStr).get() || {} :
+        trace;
+    var color = container.color;
 
-    if(Array.isArray(color)) {
+    var isArrayWithOneNumber = false;
+    if(Lib.isArrayOrTypedArray(color)) {
         for(var i = 0; i < color.length; i++) {
             if(isNumeric(color[i])) {
                 isArrayWithOneNumber = true;