You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
1012 B
31 lines
1012 B
4 months ago
|
/**
|
||
|
|
* Assign or only return the result for the graph who has no nodes or only one node.
|
||
|
|
* @param graph original graph
|
||
|
|
* @param assign whether assign result to original graph
|
||
|
|
* @param center the layout center
|
||
|
|
* @returns
|
||
|
|
*/
|
||
|
|
export const handleSingleNodeGraph = (graph, assign, center) => {
|
||
|
|
const nodes = graph.getAllNodes();
|
||
|
|
const edges = graph.getAllEdges();
|
||
|
|
if (!(nodes === null || nodes === void 0 ? void 0 : nodes.length)) {
|
||
|
|
const result = { nodes: [], edges };
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
if (nodes.length === 1) {
|
||
|
|
if (assign) {
|
||
|
|
graph.mergeNodeData(nodes[0].id, {
|
||
|
|
x: center[0],
|
||
|
|
y: center[1],
|
||
|
|
});
|
||
|
|
}
|
||
|
|
const result = {
|
||
|
|
nodes: [
|
||
|
|
Object.assign(Object.assign({}, nodes[0]), { data: Object.assign(Object.assign({}, nodes[0].data), { x: center[0], y: center[1] }) }),
|
||
|
|
],
|
||
|
|
edges,
|
||
|
|
};
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
//# sourceMappingURL=common.js.map
|