feat(ui): add type filter toggles

node_modules/dagre/lib/position/index.js

@@ -0,0 +1,30 @@
+"use strict";
+
+var _ = require("../lodash");
+var util = require("../util");
+var positionX = require("./bk").positionX;
+
+module.exports = position;
+
+function position(g) {
+  g = util.asNonCompoundGraph(g);
+
+  positionY(g);
+  _.forEach(positionX(g), function(x, v) {
+    g.node(v).x = x;
+  });
+}
+
+function positionY(g) {
+  var layering = util.buildLayerMatrix(g);
+  var rankSep = g.graph().ranksep;
+  var prevY = 0;
+  _.forEach(layering, function(layer) {
+    var maxHeight = _.max(_.map(layer, function(v) { return g.node(v).height; }));
+    _.forEach(layer, function(v) {
+      g.node(v).y = prevY + maxHeight / 2;
+    });
+    prevY += maxHeight + rankSep;
+  });
+}
+