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Fix incorrect style="undefined;" output in some Mermaid diagrams

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This commit is contained in:
Aaron Moat
2025-04-08 19:49:47 +10:00
parent 30735266a4
commit 2b05d7e1ed
2 changed files with 6 additions and 1 deletions
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5
.changeset/gold-shoes-camp.md Normal file
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@@ -0,0 +1,5 @@
---
'mermaid': patch
---
Fix incorrect `style="undefined;"` output in some Mermaid diagrams

2
packages/mermaid/src/rendering-util/rendering-elements/edges.js
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@@ -562,7 +562,7 @@ export const insertEdge = function (elem, edge, clusterDb, diagramType, startNod
}
let svgPath;
let linePath = lineFunction(lineData);
const edgeStyles = Array.isArray(edge.style) ? edge.style : [edge.style];
const edgeStyles = Array.isArray(edge.style) ? edge.style : edge.style ? [edge.style] : [];
let strokeColor = edgeStyles.find((style) => style?.startsWith('stroke:'));
if (edge.look === 'handDrawn') {