in integ/utils.ts [91:111]
export function createCircularNode(node: DiagramMakerNode<any>, container: HTMLElement) {
const id = node.id.substring(0, 13);
const newDiv = createDivWithText(id);
newDiv.classList.add('circle', 'example-node');
if (node.diagramMakerData.selected) {
newDiv.classList.add('selected');
}
container.innerHTML = '';
const connectorDiv = document.createElement('div');
connectorDiv.classList.add('outer');
connectorDiv.setAttribute('data-id', node.id);
connectorDiv.setAttribute('data-type', 'DiagramMaker.Connector');
connectorDiv.setAttribute('data-draggable', 'true');
connectorDiv.setAttribute('data-event-target', 'true');
newDiv.setAttribute('data-id', node.id);
newDiv.setAttribute('data-type', 'DiagramMaker.Connector');
newDiv.setAttribute('data-dropzone', 'true');
container.appendChild(connectorDiv);
container.appendChild(newDiv);
return newDiv;
}