Merge pull request #3932 from plotly/sankey-fix-3813

improve robustness of circular Sankey

package.json

@@ -66,7 +66,7 @@
     "d3-force": "^1.0.6",
     "d3-hierarchy": "^1.1.8",
     "d3-interpolate": "1",
-    "d3-sankey-circular": "0.33.0",
+    "@plotly/d3-sankey-circular": "0.33.1",
     "delaunay-triangulate": "^1.1.6",
     "es6-promise": "^3.0.2",
     "fast-isnumeric": "^1.1.3",

src/traces/sankey/render.js

@@ -14,7 +14,7 @@ var tinycolor = require('tinycolor2');
 var Color = require('../../components/color');
 var Drawing = require('../../components/drawing');
 var d3Sankey = require('@plotly/d3-sankey');
-var d3SankeyCircular = require('d3-sankey-circular');
+var d3SankeyCircular = require('@plotly/d3-sankey-circular');
 var d3Force = require('d3-force');
 var Lib = require('../../lib');
 var gup = require('../../lib/gup');

test/image/mocks/sankey_circular_simple2.json

@@ -0,0 +1,17 @@
+{
+  "data": [{
+    "link": {
+      "source": [2, 2, 4, 2, 3, 0, 1, 0],
+      "target": [0, 4, 2, 3, 2, 4, 2, 1],
+      "value": [1, 1, 1, 1, 1, 1, 1, 1]
+    },
+    "node": {
+      "label": ["A", "B", "C", "D", "E"]
+    },
+    "type": "sankey"
+  }],
+  "layout": {
+      "width": 800,
+      "height": 800
+  }
+}

test/jasmine/tests/sankey_test.js

@@ -3,7 +3,7 @@ var attributes = require('@src/traces/sankey/attributes');
 var Lib = require('@src/lib');
 var d3 = require('d3');
 var d3sankey = require('@plotly/d3-sankey');
-var d3SankeyCircular = require('d3-sankey-circular');
+var d3SankeyCircular = require('@plotly/d3-sankey-circular');
 var mock = require('@mocks/sankey_energy.json');
 var mockDark = require('@mocks/sankey_energy_dark.json');
 var mockCircular = require('@mocks/sankey_circular.json');