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fix(mermaid): prevent clipped multiline labels #369

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Merged
youyongsong merged 1 commit into from
Oct 30, 2026
Merged

fix(mermaid): prevent clipped multiline labels #369

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5 changes: 5 additions & 0 deletions .changeset/mermaid-label-clipping.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@alauda/doom": patch
---

Fix clipped Mermaid labels by measuring diagrams inside their display container. This keeps label dimensions consistent with the documentation page's typography, including multiline labels.
2 changes: 2 additions & 0 deletions packages/doom/src/runtime/components/Mermaid.tsx
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Expand Up @@ -21,9 +21,11 @@ export const Mermaid = ({ className, children }: MermaidProps) => {
mermaid.initialize({ theme: isDark ? 'dark' : 'default' })

const render = async () => {
// Measure labels with the same document styles used to display the SVG.
const { svg, diagramType, bindFunctions } = await mermaid.render(
`mermaid-${id.slice(1, -1)}`,
children,
container,
)

container.classList.add(diagramType)
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