Thanks your reply, when I import property panel extend project into codesandbox from github,
bpmnjs property panel extension
there is an error occurred although I havent done any modification. I have created a code sandbox sample project here.
property-panel-extend-codesandbox
TypeError
Cannot read properties of null (reading 'appendChild')
BpmnPropertiesPanelRenderer.attachTo
https://3gvxbk.csb.app/node_modules/bpmn-js-properties-panel/dist/index.esm.js:2354:15
eval
https://3gvxbk.csb.app/node_modules/bpmn-js-properties-panel/dist/index.esm.js:2335:14
invokeFunction
https://3gvxbk.csb.app/node_modules/diagram-js/lib/core/EventBus.js:204:13
EventBus._invokeListener
https://3gvxbk.csb.app/node_modules/diagram-js/lib/core/EventBus.js:130:19
EventBus._invokeListeners
https://3gvxbk.csb.app/node_modules/diagram-js/lib/core/EventBus.js:119:24
EventBus.fire
https://3gvxbk.csb.app/node_modules/diagram-js/lib/core/EventBus.js:94:24
Modeler.Diagram
https://3gvxbk.csb.app/node_modules/diagram-js/lib/Diagram.js:54:24
Modeler.BaseViewer._init
https://3gvxbk.csb.app/node_modules/bpmn-js/lib/BaseViewer.js:257:24
Modeler.BaseViewer
https://3gvxbk.csb.app/node_modules/bpmn-js/lib/BaseViewer.js:23:8
Modeler.BaseModeler
https://3gvxbk.csb.app/node_modules/bpmn-js/lib/BaseModeler.js:12:27
new Modeler
https://3gvxbk.csb.app/node_modules/bpmn-js/lib/Modeler.js:72:28
$csb$eval
/app/index.js:19:18
16 |
17 | var container = $("#js-drop-zone");
18 |
> 19 | var bpmnModeler = new BpmnModeler({
| ^
20 | container: "#js-canvas",
21 | propertiesPanel: {
22 | parent: "#js-properties-panel"
View compiled
▶ 10 stack frames were collapsed.
This screen is visible only in development. It will not appear if the app crashes in production.
Open your browser’s developer console to further inspect this error.
This error overlay is powered by `react-error-overlay` used in `create-react-app`.