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#5237 Fixing self-loops

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This commit is contained in:
Knut Sveidqvist 2024-06-19 12:24:29 +02:00
parent 460e027b6e
commit 6ae5fe7f17
1 changed files with 22 additions and 6 deletions
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28
packages/mermaid/src/rendering-util/layout-algorithms/dagre/mermaid-graphlib.js
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@ -314,26 +314,42 @@ export const adjustClustersAndEdges = (graph, depth) => {
v = getAnchorId(e.v);
w = getAnchorId(e.w);
graph.removeEdge(e.v, e.w, e.name);
const specialId = e.w + '---' + e.v;
graph.setNode(specialId, {
domId: specialId,
id: specialId,
const specialId1 = e.w + '---' + e.v + '---1';
const specialId2 = e.w + '---' + e.v + '---2';
graph.setNode(specialId1, {
domId: specialId1,
id: specialId1,
labelStyle: '',
label: edge.label,
padding: 0,
shape: 'labelRect',
style: '',
width: 10,
height: 10,
});
graph.setNode(specialId2, {
domId: specialId2,
id: specialId2,
labelStyle: '',
padding: 0,
shape: 'labelRect',
style: '',
width: 10,
height: 10,
});
const edge1 = structuredClone(edge);
const edgeMid = structuredClone(edge);
const edge2 = structuredClone(edge);
edge1.label = '';
edge1.arrowTypeEnd = 'none';
edgeMid.arrowTypeEnd = 'none';
edge2.label = '';
edge1.fromCluster = e.v;
edge2.toCluster = e.v;
graph.setEdge(v, specialId, edge1, e.name + '-cyclic-special');
graph.setEdge(specialId, w, edge2, e.name + '-cyclic-special');
graph.setEdge(v, specialId1, edge1, e.name + '-cyclic-special');
graph.setEdge(specialId1, specialId2, edgeMid, e.name + '-cyclic-special');
graph.setEdge(specialId2, w, edge2, e.name + '-cyclic-special');
} else if (clusterDb[e.v] || clusterDb[e.w]) {
log.warn('Fixing and trixing - removing XXX', e.v, e.w, e.name);
v = getAnchorId(e.v);