Merge branch 'master' into develop

CHANGELOG.md

@@ -6,6 +6,10 @@ All notable changes to [bpmn-js](https://github.com/bpmn-io/bpmn-js) are documen
 
 ___Note:__ Yet to be released changes appear here._
 
+## 6.3.1
+
+* `FIX`: prevent editor crash in some strict execution environments ([#1283](https://github.com/bpmn-io/bpmn-js/pull/1283))
+
 ## 6.3.0
 
 * `FEAT`: generate more generic IDs for new elements ([`035bb0c1`](https://github.com/bpmn-io/bpmn-js/commit/035bb0c1fd01adbaab8a340cb1075aa57736540d))

lib/features/copy-paste/ModdleCopy.js

@@ -164,7 +164,7 @@ ModdleCopy.prototype.copyElement = function(sourceElement, targetElement, proper
     var copiedProperty = self.copyProperty(sourceProperty, targetElement, propertyName);
 
     var canSetProperty = self._eventBus.fire('moddleCopy.canSetCopiedProperty', {
-      parent: parent,
+      parent: targetElement,
       property: copiedProperty,
       propertyName: propertyName
     });

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "bpmn-js",
-  "version": "6.3.0",
+  "version": "6.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bpmn-js",
-  "version": "6.3.0",
+  "version": "6.3.1",
   "description": "A bpmn 2.0 toolkit and web modeler",
   "scripts": {
     "all": "run-s lint test distro test:distro",

test/spec/features/copy-paste/ModdleCopySpec.js

@@ -607,6 +607,12 @@ describe('features/copy-paste/ModdleCopy', function() {
       });
 
       eventBus.on('moddleCopy.canCopyProperty', HIGH_PRIORITY, function(context) {
+
+        // verify provided properties
+        expect(context).to.have.property('parent');
+        expect(context).to.have.property('property');
+        expect(context).to.have.property('propertyName');
+
         var propertyName = context.propertyName;
 
         if (propertyName === 'name') {
@@ -630,6 +636,12 @@ describe('features/copy-paste/ModdleCopy', function() {
       });
 
       eventBus.on('moddleCopy.canSetCopiedProperty', HIGH_PRIORITY, function(context) {
+
+        // verify provided properties
+        expect(context).to.have.property('parent');
+        expect(context).to.have.property('property');
+        expect(context).to.have.property('propertyName');
+
         var property = context.property;
 
         if (property === 'foo') {