chore(project): use inherits util

lib/Modeler.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var inherits = require('inherits');
+
 var IdSupport = require('bpmn-moddle/lib/id-support'),
     Ids = require('ids');
 
@@ -36,7 +38,7 @@ function Modeler(options) {
   Viewer.call(this, options);
 }
 
-Modeler.prototype = Object.create(Viewer.prototype);
+inherits(Modeler, Viewer);
 
 Modeler.prototype.createDiagram = function(done) {
   return this.importXML(initialDiagram, done);

lib/NavigatedViewer.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var inherits = require('inherits');
+
 var Viewer = require('./Viewer');
 
 
@@ -12,7 +14,7 @@ function NavigatedViewer(options) {
   Viewer.call(this, options);
 }
 
-NavigatedViewer.prototype = Object.create(Viewer.prototype);
+inherits(NavigatedViewer, Viewer);
 
 module.exports = NavigatedViewer;
 

lib/draw/BpmnRenderer.js

@@ -1,6 +1,7 @@
 'use strict';
 
-var isArray = require('lodash/lang/isArray'),
+var inherits = require('inherits'),
+    isArray = require('lodash/lang/isArray'),
     isObject = require('lodash/lang/isObject'),
     assign = require('lodash/object/assign'),
     forEach = require('lodash/collection/forEach'),
@@ -1510,7 +1511,7 @@ function BpmnRenderer(events, styles, pathMap) {
   this.drawConnection = drawConnection;
 }
 
-BpmnRenderer.prototype = Object.create(DefaultRenderer.prototype);
+inherits(BpmnRenderer, DefaultRenderer);
 
 
 BpmnRenderer.$inject = [ 'eventBus', 'styles', 'pathMap' ];

lib/features/modeling/ElementFactory.js

@@ -1,6 +1,7 @@
 'use strict';
 
-var assign = require('lodash/object/assign');
+var assign = require('lodash/object/assign'),
+    inherits = require('inherits');
 
 var BaseElementFactory = require('diagram-js/lib/core/ElementFactory'),
     LabelUtil = require('../../util/Label');
@@ -16,7 +17,8 @@ function ElementFactory(bpmnFactory, moddle) {
   this._moddle = moddle;
 }
 
-ElementFactory.prototype = Object.create(BaseElementFactory.prototype);
+inherits(ElementFactory, BaseElementFactory);
+
 
 ElementFactory.$inject = [ 'bpmnFactory', 'moddle' ];
 

lib/features/modeling/Layouter.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var inherits = require('inherits');
+
 var BaseLayouter = require('diagram-js/lib/features/modeling/Layouter'),
     LayoutUtil = require('diagram-js/lib/layout/Util'),
     ManhattanLayout = require('diagram-js/lib/layout/ManhattanLayout');
@@ -7,7 +9,7 @@ var BaseLayouter = require('diagram-js/lib/features/modeling/Layouter'),
 
 function Layouter() {}
 
-Layouter.prototype = Object.create(BaseLayouter.prototype);
+inherits(Layouter, BaseLayouter);
 
 module.exports = Layouter;
 

lib/features/modeling/Modeling.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var inherits = require('inherits');
+
 var BaseModeling = require('diagram-js/lib/features/modeling/Modeling');
 
 var UpdatePropertiesHandler = require('./cmd/UpdatePropertiesHandler');
@@ -16,12 +18,13 @@ function Modeling(eventBus, elementFactory, commandStack) {
   BaseModeling.call(this, eventBus, elementFactory, commandStack);
 }
 
-Modeling.prototype = Object.create(BaseModeling.prototype);
+inherits(Modeling, BaseModeling);
 
 Modeling.$inject = [ 'eventBus', 'elementFactory', 'commandStack' ];
 
 module.exports = Modeling;
 
+
 Modeling.prototype.getHandlers = function() {
   var handlers = BaseModeling.prototype.getHandlers.call(this);
 

lib/features/modeling/rules/ModelingRules.js

@@ -2,7 +2,8 @@
 
 var groupBy = require('lodash/collection/groupBy'),
     size = require('lodash/collection/size'),
-    forEach = require('lodash/collection/forEach');
+    forEach = require('lodash/collection/forEach'),
+    inherits = require('inherits');
 
 var RuleProvider = require('diagram-js/lib/features/rules/RuleProvider');
 
@@ -11,12 +12,12 @@ function ModelingRules(eventBus) {
   RuleProvider.call(this, eventBus);
 }
 
+inherits(ModelingRules, RuleProvider);
+
 ModelingRules.$inject = [ 'eventBus' ];
 
 module.exports = ModelingRules;
 
-ModelingRules.prototype = Object.create(RuleProvider.prototype);
-
 
 ModelingRules.prototype.init = function() {
 

package.json

@@ -60,6 +60,7 @@
     "diagram-js-direct-editing": "^0.9.0",
     "didi": "^0.0.4",
     "ids": "^0.1.0",
+    "inherits": "^2.0.1",
     "lodash": "^3.0.1",
     "min-dom": "^0.2.0",
     "object-refs": "^0.1.0"