Reuse node and link containers across render() calls.

- Change cursor on dragging nodes.
- Rename 'Utils' service to 'GraphUtils'.
- Move arrow heads into GraphUtils.
- Add data types to JSDoc comments.

Author: marc92w

.eslintrc

@@ -24,6 +24,11 @@
     "max-len": [1, 120],
     "max-params": [1, 10],
     "max-statements": [1, 40],
-    "no-var": 0
+    "no-var": 0,
+    "valid-jsdoc": [1, {
+      "requireReturn": false,
+      "requireParamDescription": false, 
+      "requireReturnDescription": false
+    }]
   }
 }

app/app.config.js

@@ -4,9 +4,9 @@ import graphTemplate from './components/graph/graph.html';
 import aboutTemplate from './components/about/about.html';
 
 /**
- * @param $httpProvider
- * @param $routeProvider
- * @param $logProvider
+ * @param {$httpProvider} $httpProvider
+ * @param {$routeProvider} $routeProvider
+ * @param {$logProvider} $logProvider
  *
  * @ngInject
  */

app/app.run.js

@@ -1,5 +1,5 @@
 /**
- * @param $rootScope
+ * @param {$rootScope} $rootScope
  *
  * @ngInject
  */

app/components/about/about.module.js

@@ -1,4 +1,4 @@
-import * as angular from 'angular';
+import angular from 'angular';
 
 import AboutCtrl from './about.ctrl';
 

app/components/graph/graph.ctrl.js

@@ -8,7 +8,7 @@
  * @param {DetailExtractor} DetailExtractor
  * @param {RequestConfig} RequestConfig
  * @param {Data} Data
- * @param View
+ * @param {View} View
  *
  * @ngInject
  */

app/components/graph/graph.module.js

@@ -1,4 +1,4 @@
-import * as angular from 'angular';
+import angular from 'angular';
 import GraphCtrl from './graph.ctrl';
 import nodeLinkGraph from './nodelink-graph.drv';